./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/skipped.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_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/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_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/skipped.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/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_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/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 0c36d485530e5f36dabf3b382821b7ad25023b1cbf4cb81b13349652fc8273f7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:54:03,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:54:03,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:54:03,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:54:03,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:54:03,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:54:03,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:54:03,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:54:03,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:54:03,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:54:03,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:54:03,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:54:03,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:54:03,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:54:03,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:54:03,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:54:04,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:54:04,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:54:04,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:54:04,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:54:04,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:54:04,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:54:04,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:54:04,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:54:04,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:54:04,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:54:04,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:54:04,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:54:04,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:54:04,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:54:04,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:54:04,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:54:04,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:54:04,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:54:04,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:54:04,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:54:04,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:54:04,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:54:04,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:54:04,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:54:04,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:54:04,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:54:04,097 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:54:04,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:54:04,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:54:04,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:54:04,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:54:04,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:54:04,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:54:04,101 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:54:04,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:54:04,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:54:04,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:54:04,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:54:04,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:54:04,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:54:04,110 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:54:04,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:54:04,111 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:54:04,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:54:04,111 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:54:04,111 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:54:04,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:54:04,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:54:04,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:54:04,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:54:04,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:54:04,114 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:54:04,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:54:04,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:54:04,115 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_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c36d485530e5f36dabf3b382821b7ad25023b1cbf4cb81b13349652fc8273f7 [2021-11-23 00:54:04,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:54:04,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:54:04,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:54:04,454 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:54:04,456 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:54:04,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-tiling/skipped.c [2021-11-23 00:54:04,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/bin/ukojak-LBtLqBUTdQ/data/5fad87791/65b87d15dad14c3a802c4dc4ed8358d9/FLAGa7fa9c8da [2021-11-23 00:54:04,996 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:54:04,997 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/sv-benchmarks/c/array-tiling/skipped.c [2021-11-23 00:54:05,003 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/bin/ukojak-LBtLqBUTdQ/data/5fad87791/65b87d15dad14c3a802c4dc4ed8358d9/FLAGa7fa9c8da [2021-11-23 00:54:05,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/bin/ukojak-LBtLqBUTdQ/data/5fad87791/65b87d15dad14c3a802c4dc4ed8358d9 [2021-11-23 00:54:05,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:54:05,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:54:05,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:54:05,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:54:05,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:54:05,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:05" (1/1) ... [2021-11-23 00:54:05,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb8be96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:05, skipping insertion in model container [2021-11-23 00:54:05,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:05" (1/1) ... [2021-11-23 00:54:05,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:54:05,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:54:05,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/sv-benchmarks/c/array-tiling/skipped.c[398,411] [2021-11-23 00:54:05,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:54:05,602 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:54:05,611 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_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/sv-benchmarks/c/array-tiling/skipped.c[398,411] [2021-11-23 00:54:05,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:54:05,633 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:54:05,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:05 WrapperNode [2021-11-23 00:54:05,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:54:05,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:54:05,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:54:05,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:54:05,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:05" (1/1) ... [2021-11-23 00:54:05,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:05" (1/1) ... [2021-11-23 00:54:05,702 INFO L137 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2021-11-23 00:54:05,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:54:05,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:54:05,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:54:05,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:54:05,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:05" (1/1) ... [2021-11-23 00:54:05,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:05" (1/1) ... [2021-11-23 00:54:05,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:05" (1/1) ... [2021-11-23 00:54:05,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:05" (1/1) ... [2021-11-23 00:54:05,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:05" (1/1) ... [2021-11-23 00:54:05,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:05" (1/1) ... [2021-11-23 00:54:05,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:05" (1/1) ... [2021-11-23 00:54:05,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:54:05,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:54:05,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:54:05,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:54:05,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:05" (1/1) ... [2021-11-23 00:54:05,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:54:05,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:54:05,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:54:05,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807b3d90-a08a-401e-b2a5-daf9afa9a5a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:54:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:54:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:54:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:54:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:54:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:54:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:54:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:54:05,916 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:54:05,917 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:54:06,072 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:54:06,151 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:54:06,151 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:54:06,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:06 BoogieIcfgContainer [2021-11-23 00:54:06,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:54:06,155 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:54:06,156 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:54:06,179 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:54:06,179 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:06" (1/1) ... [2021-11-23 00:54:06,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:54:06,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:06,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 00:54:06,312 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 00:54:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:54:06,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:06,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:06,567 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 00:54:06,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2021-11-23 00:54:06,629 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2021-11-23 00:54:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:54:06,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:06,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-23 00:54:06,830 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-23 00:54:06,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:54:06,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:06,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:54:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:07,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2021-11-23 00:54:07,462 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2021-11-23 00:54:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:54:07,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:07,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:07,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:54:08,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:08,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2021-11-23 00:54:08,762 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2021-11-23 00:54:08,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:54:08,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:08,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2021-11-23 00:54:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2021-11-23 00:54:10,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:54:10,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:10,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:54:13,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 59 transitions. [2021-11-23 00:54:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2021-11-23 00:54:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:54:13,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:13,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:54:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2021-11-23 00:54:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2021-11-23 00:54:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:54:15,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:15,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:54:17,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:17,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2021-11-23 00:54:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2021-11-23 00:54:17,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:54:17,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:17,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:17,540 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:54:17,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2021-11-23 00:54:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2021-11-23 00:54:17,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:54:17,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:17,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2021-11-23 00:54:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2021-11-23 00:54:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:54:24,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:24,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:25,184 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:54:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:25,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2021-11-23 00:54:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2021-11-23 00:54:25,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:54:25,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:25,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:54:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2021-11-23 00:54:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2021-11-23 00:54:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:28,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:28,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,259 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:36,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:36,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 102 transitions. [2021-11-23 00:54:36,658 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 102 transitions. [2021-11-23 00:54:36,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:36,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:36,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:41,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 102 transitions. [2021-11-23 00:54:41,562 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2021-11-23 00:54:41,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:41,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:41,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 24 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:54:45,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 71 states and 111 transitions. [2021-11-23 00:54:46,000 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2021-11-23 00:54:46,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:46,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:46,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:54:48,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:48,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2021-11-23 00:54:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2021-11-23 00:54:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:54:48,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:48,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:54:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 82 states and 123 transitions. [2021-11-23 00:54:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 123 transitions. [2021-11-23 00:54:54,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:54:54,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:54,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:00,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 124 transitions. [2021-11-23 00:55:00,777 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 124 transitions. [2021-11-23 00:55:00,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:00,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:00,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:59,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:59,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 84 states and 124 transitions. [2021-11-23 00:55:59,470 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2021-11-23 00:55:59,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:55:59,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:59,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:56:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:04,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 90 states and 133 transitions. [2021-11-23 00:56:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 133 transitions. [2021-11-23 00:56:04,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:56:04,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:04,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 11 proven. 49 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:56:08,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:08,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 91 states and 134 transitions. [2021-11-23 00:56:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2021-11-23 00:56:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:08,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:08,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 105 states and 153 transitions. [2021-11-23 00:56:21,409 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 153 transitions. [2021-11-23 00:56:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:21,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:21,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:24,518 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:27,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:27,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 106 states and 154 transitions. [2021-11-23 00:56:27,909 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2021-11-23 00:56:27,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:27,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:27,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat