./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.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_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/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_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/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_37d741e5-9030-41b7-8682-84c51f289eaa/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 750fa47004e8b71818a419cd0705c167dc764081be79a2bed3ff642b9979f0ab --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:31:23,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:31:23,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:31:23,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:31:23,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:31:23,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:31:23,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:31:23,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:31:23,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:31:23,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:31:23,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:31:23,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:31:23,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:31:23,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:31:23,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:31:23,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:31:23,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:31:23,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:31:23,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:31:23,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:31:23,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:31:23,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:31:23,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:31:23,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:31:23,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:31:23,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:31:23,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:31:23,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:31:23,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:31:23,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:31:23,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:31:23,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:31:23,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:31:23,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:31:23,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:31:23,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:31:23,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:31:23,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:31:23,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:31:23,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:31:23,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:31:23,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:31:23,998 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:31:24,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:31:24,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:31:24,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:31:24,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:31:24,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:31:24,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:31:24,010 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:31:24,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:31:24,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:31:24,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:31:24,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:31:24,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:31:24,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:31:24,013 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:31:24,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:31:24,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:31:24,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:31:24,014 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:31:24,014 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:31:24,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:31:24,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:24,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:31:24,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:31:24,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:31:24,016 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:31:24,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:31:24,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:31:24,017 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_37d741e5-9030-41b7-8682-84c51f289eaa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 750fa47004e8b71818a419cd0705c167dc764081be79a2bed3ff642b9979f0ab [2021-11-23 00:31:24,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:31:24,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:31:24,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:31:24,325 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:31:24,327 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:31:24,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2021-11-23 00:31:24,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/data/1b3427fe2/201330d949604a148310f72c845a84d3/FLAG8487129d3 [2021-11-23 00:31:24,980 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:31:24,981 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2021-11-23 00:31:24,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/data/1b3427fe2/201330d949604a148310f72c845a84d3/FLAG8487129d3 [2021-11-23 00:31:25,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/data/1b3427fe2/201330d949604a148310f72c845a84d3 [2021-11-23 00:31:25,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:31:25,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:31:25,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:25,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:31:25,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:31:25,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:25" (1/1) ... [2021-11-23 00:31:25,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d895f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:25, skipping insertion in model container [2021-11-23 00:31:25,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:25" (1/1) ... [2021-11-23 00:31:25,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:31:25,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:31:25,704 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_37d741e5-9030-41b7-8682-84c51f289eaa/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c[16171,16184] [2021-11-23 00:31:25,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:25,723 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:31:25,789 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_37d741e5-9030-41b7-8682-84c51f289eaa/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c[16171,16184] [2021-11-23 00:31:25,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:25,818 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:31:25,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:25 WrapperNode [2021-11-23 00:31:25,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:25,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:25,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:31:25,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:31:25,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:25" (1/1) ... [2021-11-23 00:31:25,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:25" (1/1) ... [2021-11-23 00:31:25,889 INFO L137 Inliner]: procedures = 53, calls = 151, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 232 [2021-11-23 00:31:25,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:25,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:31:25,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:31:25,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:31:25,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:25" (1/1) ... [2021-11-23 00:31:25,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:25" (1/1) ... [2021-11-23 00:31:25,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:25" (1/1) ... [2021-11-23 00:31:25,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:25" (1/1) ... [2021-11-23 00:31:25,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:25" (1/1) ... [2021-11-23 00:31:25,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:25" (1/1) ... [2021-11-23 00:31:25,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:25" (1/1) ... [2021-11-23 00:31:25,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:31:25,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:31:25,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:31:25,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:31:25,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:25" (1/1) ... [2021-11-23 00:31:25,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:25,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:31:25,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:31:25,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:31:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:31:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:31:26,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:31:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:31:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:31:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:31:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:31:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:31:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:31:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:31:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:31:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:31:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:31:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:31:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:31:26,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:31:26,165 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:31:26,183 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:31:26,500 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:31:26,601 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:31:26,601 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:31:26,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:26 BoogieIcfgContainer [2021-11-23 00:31:26,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:31:26,610 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:31:26,610 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:31:26,621 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:31:26,621 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:26" (1/1) ... [2021-11-23 00:31:26,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:31:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2021-11-23 00:31:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2021-11-23 00:31:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:31:26,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:26,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:27,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2021-11-23 00:31:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2021-11-23 00:31:27,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:31:27,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:27,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:27,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:27,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:27,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2021-11-23 00:31:27,228 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2021-11-23 00:31:27,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:31:27,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:27,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 65 states and 95 transitions. [2021-11-23 00:31:27,494 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 95 transitions. [2021-11-23 00:31:27,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:27,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:27,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:27,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 67 states and 98 transitions. [2021-11-23 00:31:27,692 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2021-11-23 00:31:27,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:27,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:27,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 77 states and 124 transitions. [2021-11-23 00:31:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 124 transitions. [2021-11-23 00:31:28,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:28,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:28,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:28,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 78 states and 125 transitions. [2021-11-23 00:31:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 125 transitions. [2021-11-23 00:31:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:31:28,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:28,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:28,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:28,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 80 states and 127 transitions. [2021-11-23 00:31:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 127 transitions. [2021-11-23 00:31:28,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:31:28,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:28,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:28,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2021-11-23 00:31:28,657 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2021-11-23 00:31:28,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:31:28,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:28,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2021-11-23 00:31:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2021-11-23 00:31:28,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:31:28,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:28,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:28,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:29,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 91 states and 146 transitions. [2021-11-23 00:31:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 146 transitions. [2021-11-23 00:31:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:31:29,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:29,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 97 states and 163 transitions. [2021-11-23 00:31:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 163 transitions. [2021-11-23 00:31:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:31:29,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:29,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:29,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:29,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 100 states and 166 transitions. [2021-11-23 00:31:29,617 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2021-11-23 00:31:29,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:31:29,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:29,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:29,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:30,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 185 transitions. [2021-11-23 00:31:30,372 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 185 transitions. [2021-11-23 00:31:30,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:31:30,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:30,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:30,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 186 transitions. [2021-11-23 00:31:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 186 transitions. [2021-11-23 00:31:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:31:30,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:30,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:30,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 197 transitions. [2021-11-23 00:31:30,689 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 197 transitions. [2021-11-23 00:31:30,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:31:30,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:30,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:30,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:30,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 115 states and 198 transitions. [2021-11-23 00:31:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 198 transitions. [2021-11-23 00:31:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:31:30,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:30,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:31,060 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:33,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:33,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 130 states and 258 transitions. [2021-11-23 00:31:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 258 transitions. [2021-11-23 00:31:33,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:31:33,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:33,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:33,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:33,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 135 states and 271 transitions. [2021-11-23 00:31:33,324 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 271 transitions. [2021-11-23 00:31:33,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:31:33,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:33,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:33,387 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 136 states and 272 transitions. [2021-11-23 00:31:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 272 transitions. [2021-11-23 00:31:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:31:33,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:33,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:33,641 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:31:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:35,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 143 states and 299 transitions. [2021-11-23 00:31:35,479 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 299 transitions. [2021-11-23 00:31:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:31:35,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:35,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:35,515 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:35,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 144 states and 303 transitions. [2021-11-23 00:31:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 303 transitions. [2021-11-23 00:31:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:31:35,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:35,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:35,847 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 147 states and 308 transitions. [2021-11-23 00:31:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 308 transitions. [2021-11-23 00:31:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:31:36,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:36,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:31:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 156 states and 347 transitions. [2021-11-23 00:31:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 347 transitions. [2021-11-23 00:31:38,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:31:38,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:38,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:38,127 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:31:38,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:38,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 158 states and 361 transitions. [2021-11-23 00:31:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 361 transitions. [2021-11-23 00:31:38,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:31:38,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:38,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:38,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:40,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:40,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 169 states and 396 transitions. [2021-11-23 00:31:40,113 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 396 transitions. [2021-11-23 00:31:40,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:31:40,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:40,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:41,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:41,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 170 states and 397 transitions. [2021-11-23 00:31:41,433 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 397 transitions. [2021-11-23 00:31:41,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:31:41,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:41,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:41,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 171 states and 398 transitions. [2021-11-23 00:31:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 398 transitions. [2021-11-23 00:31:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:31:41,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:41,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:41,520 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:42,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:42,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 171 states and 395 transitions. [2021-11-23 00:31:42,076 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 395 transitions. [2021-11-23 00:31:42,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:31:42,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:42,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:31:44,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 185 states and 443 transitions. [2021-11-23 00:31:44,490 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 443 transitions. [2021-11-23 00:31:44,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:31:44,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:44,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:31:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:45,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 192 states and 472 transitions. [2021-11-23 00:31:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 472 transitions. [2021-11-23 00:31:45,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:31:45,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:45,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:31:47,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:47,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 199 states and 490 transitions. [2021-11-23 00:31:47,185 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 490 transitions. [2021-11-23 00:31:47,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:31:47,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:47,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:31:48,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:48,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 204 states and 497 transitions. [2021-11-23 00:31:48,660 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 497 transitions. [2021-11-23 00:31:48,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:31:48,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:48,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:31:49,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:49,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 208 states and 504 transitions. [2021-11-23 00:31:49,643 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 504 transitions. [2021-11-23 00:31:49,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:31:49,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:49,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:31:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 209 states and 499 transitions. [2021-11-23 00:31:50,265 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 499 transitions. [2021-11-23 00:31:50,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:31:50,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:50,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:31:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:50,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 209 states and 485 transitions. [2021-11-23 00:31:50,731 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 485 transitions. [2021-11-23 00:31:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:31:50,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:50,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:50,782 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:31:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 212 states and 492 transitions. [2021-11-23 00:31:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 492 transitions. [2021-11-23 00:31:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:31:51,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:51,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 221 states and 514 transitions. [2021-11-23 00:31:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 514 transitions. [2021-11-23 00:31:52,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:31:52,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:52,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:52,656 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:31:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:53,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 226 states and 530 transitions. [2021-11-23 00:31:53,751 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 530 transitions. [2021-11-23 00:31:53,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:31:53,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:53,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:31:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 227 states and 531 transitions. [2021-11-23 00:31:54,033 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 531 transitions. [2021-11-23 00:31:54,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:31:54,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:54,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:31:54,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 228 states and 533 transitions. [2021-11-23 00:31:54,089 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 533 transitions. [2021-11-23 00:31:54,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:31:54,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:54,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:54,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:54,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 229 states and 537 transitions. [2021-11-23 00:31:54,961 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 537 transitions. [2021-11-23 00:31:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:31:54,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:54,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 232 states and 541 transitions. [2021-11-23 00:31:55,518 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 541 transitions. [2021-11-23 00:31:55,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:31:55,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:55,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:55,547 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:31:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 233 states and 542 transitions. [2021-11-23 00:31:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 542 transitions. [2021-11-23 00:31:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:31:55,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:55,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:31:56,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:56,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 236 states and 550 transitions. [2021-11-23 00:31:56,312 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 550 transitions. [2021-11-23 00:31:56,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:31:56,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:56,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:31:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 237 states and 551 transitions. [2021-11-23 00:31:56,681 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 551 transitions. [2021-11-23 00:31:56,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:31:56,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:56,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:31:57,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:57,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 243 states and 566 transitions. [2021-11-23 00:31:57,385 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 566 transitions. [2021-11-23 00:31:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:31:57,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:57,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:57,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 246 states and 571 transitions. [2021-11-23 00:31:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 571 transitions. [2021-11-23 00:31:57,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:31:57,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:57,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:57,957 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 249 states and 577 transitions. [2021-11-23 00:31:58,293 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 577 transitions. [2021-11-23 00:31:58,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:31:58,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:58,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:31:59,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 252 states and 583 transitions. [2021-11-23 00:31:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 583 transitions. [2021-11-23 00:31:59,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:31:59,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:59,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:31:59,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 253 states and 584 transitions. [2021-11-23 00:31:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 584 transitions. [2021-11-23 00:31:59,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:31:59,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:59,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:31:59,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 254 states and 585 transitions. [2021-11-23 00:31:59,157 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 585 transitions. [2021-11-23 00:31:59,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:31:59,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:59,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 00:32:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:00,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 259 states and 599 transitions. [2021-11-23 00:32:00,288 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 599 transitions. [2021-11-23 00:32:00,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:32:00,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:00,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:00,313 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 00:32:01,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 263 states and 610 transitions. [2021-11-23 00:32:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 610 transitions. [2021-11-23 00:32:01,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:32:01,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:01,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:32:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:01,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 264 states and 611 transitions. [2021-11-23 00:32:01,217 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 611 transitions. [2021-11-23 00:32:01,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:32:01,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:01,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 00:32:01,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 265 states and 613 transitions. [2021-11-23 00:32:01,271 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 613 transitions. [2021-11-23 00:32:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:32:01,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:01,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:01,296 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:32:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:01,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 270 states and 625 transitions. [2021-11-23 00:32:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 625 transitions. [2021-11-23 00:32:01,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:32:01,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:01,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:32:02,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:02,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 271 states and 627 transitions. [2021-11-23 00:32:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 627 transitions. [2021-11-23 00:32:02,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:32:02,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:02,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:02,422 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:32:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 274 states and 632 transitions. [2021-11-23 00:32:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 632 transitions. [2021-11-23 00:32:02,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:32:02,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:02,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:32:02,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 275 states and 633 transitions. [2021-11-23 00:32:02,509 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 633 transitions. [2021-11-23 00:32:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:32:02,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:02,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:02,534 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 00:32:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:02,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 276 states and 634 transitions. [2021-11-23 00:32:02,954 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 634 transitions. [2021-11-23 00:32:02,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:32:02,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:02,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:02,981 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 00:32:03,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:03,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 277 states and 635 transitions. [2021-11-23 00:32:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 635 transitions. [2021-11-23 00:32:03,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:32:03,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:03,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:03,039 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 00:32:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:03,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 278 states and 636 transitions. [2021-11-23 00:32:03,070 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 636 transitions. [2021-11-23 00:32:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:32:03,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:03,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:32:08,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:08,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 297 states and 680 transitions. [2021-11-23 00:32:08,262 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 680 transitions. [2021-11-23 00:32:08,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:32:08,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:08,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:32:11,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:11,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 313 states and 720 transitions. [2021-11-23 00:32:11,997 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 720 transitions. [2021-11-23 00:32:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:32:12,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:12,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:12,035 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:32:12,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 315 states and 732 transitions. [2021-11-23 00:32:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 732 transitions. [2021-11-23 00:32:12,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:32:12,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:12,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:32:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:13,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 318 states and 738 transitions. [2021-11-23 00:32:13,549 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 738 transitions. [2021-11-23 00:32:13,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:32:13,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:13,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:13,588 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:32:14,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 318 states and 732 transitions. [2021-11-23 00:32:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 732 transitions. [2021-11-23 00:32:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:32:14,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:14,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 00:32:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 319 states and 733 transitions. [2021-11-23 00:32:15,022 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 733 transitions. [2021-11-23 00:32:15,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:32:15,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:15,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:15,073 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:32:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:15,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 322 states and 739 transitions. [2021-11-23 00:32:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 739 transitions. [2021-11-23 00:32:15,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:32:15,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:15,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:32:16,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 324 states and 746 transitions. [2021-11-23 00:32:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 746 transitions. [2021-11-23 00:32:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:32:16,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:16,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:16,331 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:32:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 329 states and 754 transitions. [2021-11-23 00:32:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 754 transitions. [2021-11-23 00:32:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:32:17,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:17,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:32:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:17,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 330 states and 755 transitions. [2021-11-23 00:32:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 755 transitions. [2021-11-23 00:32:17,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:32:17,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:17,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:32:18,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:18,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 330 states and 748 transitions. [2021-11-23 00:32:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 748 transitions. [2021-11-23 00:32:18,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:32:18,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:18,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 35 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:32:18,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:18,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 331 states and 749 transitions. [2021-11-23 00:32:18,611 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 749 transitions. [2021-11-23 00:32:18,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:32:18,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:18,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:32:21,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 338 states and 773 transitions. [2021-11-23 00:32:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 773 transitions. [2021-11-23 00:32:21,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:32:21,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:21,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:32:21,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:21,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 338 states and 769 transitions. [2021-11-23 00:32:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 769 transitions. [2021-11-23 00:32:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:32:21,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:21,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:32:22,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:22,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 338 states and 763 transitions. [2021-11-23 00:32:22,233 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 763 transitions. [2021-11-23 00:32:22,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:32:22,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:22,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:22,268 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:32:25,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:25,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 347 states and 781 transitions. [2021-11-23 00:32:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 781 transitions. [2021-11-23 00:32:25,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:32:25,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:25,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:32:26,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:26,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 344 states and 774 transitions. [2021-11-23 00:32:26,147 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 774 transitions. [2021-11-23 00:32:26,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:32:26,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:26,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:26,181 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:32:27,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 346 states and 775 transitions. [2021-11-23 00:32:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 775 transitions. [2021-11-23 00:32:27,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:32:27,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:27,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:27,380 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:32:27,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:27,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 348 states and 781 transitions. [2021-11-23 00:32:27,941 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 781 transitions. [2021-11-23 00:32:27,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:32:27,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:27,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:32:28,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:28,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 346 states and 770 transitions. [2021-11-23 00:32:28,603 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 770 transitions. [2021-11-23 00:32:28,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:32:28,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:28,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:32:29,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 346 states and 768 transitions. [2021-11-23 00:32:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 768 transitions. [2021-11-23 00:32:29,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:32:29,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:29,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:29,232 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:32:31,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:31,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 200 states and 306 transitions. [2021-11-23 00:32:31,267 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 306 transitions. [2021-11-23 00:32:31,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:32:31,269 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 85 iterations. [2021-11-23 00:32:31,279 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:32:31,880 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:32:31,884 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2021-11-23 00:32:31,893 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:32:31,893 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2021-11-23 00:32:31,898 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:32:31,898 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2021-11-23 00:32:31,912 INFO L560 CodeCheckObserver]: Invariant with dag size 32 [2021-11-23 00:32:31,914 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:32:31,914 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:32:31,919 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:32:31,919 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 00:32:31,920 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:32:31,920 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:32:31,920 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:32:31,920 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:32:31,921 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2021-11-23 00:32:31,921 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:32:31,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:32:31 ImpRootNode [2021-11-23 00:32:31,922 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:32:31,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:32:31,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:32:31,923 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:32:31,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:26" (3/4) ... [2021-11-23 00:32:31,926 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:32:31,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 00:32:31,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:32:31,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:32:31,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:32:31,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:32:31,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:32:31,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2021-11-23 00:32:31,953 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:32:31,953 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 00:32:31,954 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:32:31,955 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:32:31,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:32:31,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:32:31,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(pumpRunning == 1)) || (!(waterLevel == 1) && pumpRunning == 0)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(pumpRunning == 0)) [2021-11-23 00:32:31,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(pumpRunning == 1)) || ((pumpRunning == 0 && waterLevel == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) == waterLevel))) || ((pumpRunning == 0 && 2 <= waterLevel) && !(0 == systemActive))) || ((!(waterLevel == 1) && pumpRunning == 0) && waterLevel < 2)) || ((!(waterLevel == 1) && methaneLevelCritical == 0) && pumpRunning == 1)) || (pumpRunning == \old(pumpRunning) && !(pumpRunning == 0)) [2021-11-23 00:32:31,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 || ((tmp___0 == 1 && \old(pumpRunning) == 0) && pumpRunning == 1)) || (!(pumpRunning == 1) && !(0 == systemActive))) || (!(pumpRunning == 1) && !(tmp___0 == 1))) || (!(pumpRunning == 1) && !(!(\old(pumpRunning) == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel))) [2021-11-23 00:32:31,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(waterLevel == 1) && tmp == 0) || (tmp == 1 && !(0 == systemActive))) || (tmp == 0 && (!(\old(pumpRunning) == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel))) [2021-11-23 00:32:32,065 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:32:32,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:32:32,067 INFO L158 Benchmark]: Toolchain (without parser) took 66826.20ms. Allocated memory was 111.1MB in the beginning and 593.5MB in the end (delta: 482.3MB). Free memory was 74.9MB in the beginning and 478.8MB in the end (delta: -403.9MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2021-11-23 00:32:32,067 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory was 84.7MB in the beginning and 84.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:32:32,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.04ms. Allocated memory is still 111.1MB. Free memory was 74.6MB in the beginning and 77.6MB in the end (delta: -3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:32:32,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.53ms. Allocated memory is still 111.1MB. Free memory was 77.6MB in the beginning and 75.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:32:32,069 INFO L158 Benchmark]: Boogie Preprocessor took 46.32ms. Allocated memory is still 111.1MB. Free memory was 75.4MB in the beginning and 74.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:32:32,069 INFO L158 Benchmark]: RCFGBuilder took 672.44ms. Allocated memory is still 111.1MB. Free memory was 74.0MB in the beginning and 53.7MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 00:32:32,070 INFO L158 Benchmark]: CodeCheck took 65311.73ms. Allocated memory was 111.1MB in the beginning and 593.5MB in the end (delta: 482.3MB). Free memory was 53.1MB in the beginning and 484.1MB in the end (delta: -431.0MB). Peak memory consumption was 360.2MB. Max. memory is 16.1GB. [2021-11-23 00:32:32,070 INFO L158 Benchmark]: Witness Printer took 143.45ms. Allocated memory is still 593.5MB. Free memory was 484.1MB in the beginning and 478.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:32:32,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 64.6s, OverallIterations: 85, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47745 SdHoareTripleChecker+Valid, 135.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27617 mSDsluCounter, 51692 SdHoareTripleChecker+Invalid, 113.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42408 mSDsCounter, 29910 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99285 IncrementalHoareTripleChecker+Invalid, 129195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29910 mSolverCounterUnsat, 12352 mSDtfsCounter, 99285 mSolverCounterSat, 2.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57907 GetRequests, 56995 SyntacticMatches, 230 SemanticMatches, 682 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210760 ImplicationChecksByTransitivity, 55.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 4132 NumberOfCodeBlocks, 4132 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 4048 ConstructedInterpolants, 0 QuantifiedInterpolants, 8973 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 84 InterpolantComputations, 50 PerfectInterpolantSequences, 1875/2096 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 796]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 || ((tmp___0 == 1 && \old(pumpRunning) == 0) && pumpRunning == 1)) || (!(pumpRunning == 1) && !(0 == systemActive))) || (!(pumpRunning == 1) && !(tmp___0 == 1))) || (!(pumpRunning == 1) && !(!(\old(pumpRunning) == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel))) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(pumpRunning == 1)) || (!(waterLevel == 1) && pumpRunning == 0)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(pumpRunning == 0)) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((!(waterLevel == 1) && tmp == 0) || (tmp == 1 && !(0 == systemActive))) || (tmp == 0 && (!(\old(pumpRunning) == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel))) - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(pumpRunning == 1)) || ((pumpRunning == 0 && waterLevel == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) == waterLevel))) || ((pumpRunning == 0 && 2 <= waterLevel) && !(0 == systemActive))) || ((!(waterLevel == 1) && pumpRunning == 0) && waterLevel < 2)) || ((!(waterLevel == 1) && methaneLevelCritical == 0) && pumpRunning == 1)) || (pumpRunning == \old(pumpRunning) && !(pumpRunning == 0)) - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((!(waterLevel == 1) && !(pumpRunning == 1)) && tmp == 0) || methaneLevelCritical == tmp - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory was 84.7MB in the beginning and 84.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.04ms. Allocated memory is still 111.1MB. Free memory was 74.6MB in the beginning and 77.6MB in the end (delta: -3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.53ms. Allocated memory is still 111.1MB. Free memory was 77.6MB in the beginning and 75.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.32ms. Allocated memory is still 111.1MB. Free memory was 75.4MB in the beginning and 74.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.44ms. Allocated memory is still 111.1MB. Free memory was 74.0MB in the beginning and 53.7MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 65311.73ms. Allocated memory was 111.1MB in the beginning and 593.5MB in the end (delta: 482.3MB). Free memory was 53.1MB in the beginning and 484.1MB in the end (delta: -431.0MB). Peak memory consumption was 360.2MB. Max. memory is 16.1GB. * Witness Printer took 143.45ms. Allocated memory is still 593.5MB. Free memory was 484.1MB in the beginning and 478.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:32:32,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d741e5-9030-41b7-8682-84c51f289eaa/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE