./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.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_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/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_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/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_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/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 0490559c2bf039cbe49bd5644a18ada08843fe5179dc7b178541a9c54e014b6c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:47:19,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:47:19,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:47:19,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:47:19,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:47:19,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:47:19,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:47:19,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:47:19,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:47:19,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:47:19,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:47:19,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:47:19,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:47:19,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:47:19,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:47:19,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:47:19,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:47:19,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:47:19,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:47:19,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:47:19,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:47:19,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:47:19,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:47:19,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:47:19,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:47:19,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:47:19,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:47:19,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:47:19,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:47:19,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:47:19,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:47:19,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:47:19,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:47:19,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:47:19,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:47:19,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:47:19,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:47:19,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:47:19,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:47:19,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:47:19,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:47:19,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:47:19,887 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:47:19,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:47:19,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:47:19,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:47:19,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:47:19,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:47:19,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:47:19,891 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:47:19,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:47:19,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:47:19,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:47:19,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:47:19,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:47:19,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:47:19,893 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:47:19,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:47:19,893 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:47:19,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:47:19,894 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:47:19,894 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:47:19,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:47:19,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:19,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:47:19,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:47:19,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:47:19,895 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:47:19,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:47:19,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:47:19,896 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_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0490559c2bf039cbe49bd5644a18ada08843fe5179dc7b178541a9c54e014b6c [2021-11-23 01:47:20,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:47:20,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:47:20,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:47:20,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:47:20,174 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:47:20,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c [2021-11-23 01:47:20,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/bin/ukojak-LBtLqBUTdQ/data/442db8665/d0aa91603174494e9c317587deeaf229/FLAG291bb00a1 [2021-11-23 01:47:20,733 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:47:20,733 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c [2021-11-23 01:47:20,758 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/bin/ukojak-LBtLqBUTdQ/data/442db8665/d0aa91603174494e9c317587deeaf229/FLAG291bb00a1 [2021-11-23 01:47:21,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/bin/ukojak-LBtLqBUTdQ/data/442db8665/d0aa91603174494e9c317587deeaf229 [2021-11-23 01:47:21,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:47:21,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:47:21,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:21,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:47:21,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:47:21,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:21" (1/1) ... [2021-11-23 01:47:21,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cb65a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:21, skipping insertion in model container [2021-11-23 01:47:21,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:21" (1/1) ... [2021-11-23 01:47:21,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:47:21,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:47:21,421 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_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c[12966,12979] [2021-11-23 01:47:21,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:21,433 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:47:21,492 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_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.ufo.UNBOUNDED.pals.c[12966,12979] [2021-11-23 01:47:21,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:21,508 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:47:21,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:21 WrapperNode [2021-11-23 01:47:21,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:21,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:21,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:47:21,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:47:21,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:21" (1/1) ... [2021-11-23 01:47:21,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:21" (1/1) ... [2021-11-23 01:47:21,572 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 443 [2021-11-23 01:47:21,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:21,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:47:21,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:47:21,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:47:21,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:21" (1/1) ... [2021-11-23 01:47:21,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:21" (1/1) ... [2021-11-23 01:47:21,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:21" (1/1) ... [2021-11-23 01:47:21,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:21" (1/1) ... [2021-11-23 01:47:21,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:21" (1/1) ... [2021-11-23 01:47:21,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:21" (1/1) ... [2021-11-23 01:47:21,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:21" (1/1) ... [2021-11-23 01:47:21,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:47:21,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:47:21,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:47:21,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:47:21,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:21" (1/1) ... [2021-11-23 01:47:21,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:21,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:47:21,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:47:21,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f12d4-45d2-4ec0-8de8-25c4e9cd7d1c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:47:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:47:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:47:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:47:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:47:21,845 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:47:21,846 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:47:22,487 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:47:23,132 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:47:23,132 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:47:23,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:23 BoogieIcfgContainer [2021-11-23 01:47:23,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:47:23,136 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:47:23,136 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:47:23,146 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:47:23,147 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:23" (1/1) ... [2021-11-23 01:47:23,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:47:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:23,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-23 01:47:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-23 01:47:23,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:47:23,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:23,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:24,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-23 01:47:24,153 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-23 01:47:24,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:47:24,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:24,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:24,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:24,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2021-11-23 01:47:24,810 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2021-11-23 01:47:24,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:47:24,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:24,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:25,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-11-23 01:47:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-11-23 01:47:25,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:47:25,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:25,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:26,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2021-11-23 01:47:26,489 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2021-11-23 01:47:26,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:47:26,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:26,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:27,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2021-11-23 01:47:27,611 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2021-11-23 01:47:27,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:47:27,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:28,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2021-11-23 01:47:28,940 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2021-11-23 01:47:28,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:47:28,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2021-11-23 01:47:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2021-11-23 01:47:29,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:47:29,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:29,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2021-11-23 01:47:29,295 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2021-11-23 01:47:29,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:47:29,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:31,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2021-11-23 01:47:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2021-11-23 01:47:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:47:31,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:31,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2021-11-23 01:47:31,708 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2021-11-23 01:47:31,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:47:31,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:36,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:36,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 129 transitions. [2021-11-23 01:47:36,386 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 129 transitions. [2021-11-23 01:47:36,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:36,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:36,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:36,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 93 states and 159 transitions. [2021-11-23 01:47:40,211 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 159 transitions. [2021-11-23 01:47:40,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:40,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:40,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:40,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:40,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 161 transitions. [2021-11-23 01:47:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 161 transitions. [2021-11-23 01:47:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:47:40,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:40,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:41,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:45,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:45,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 112 states and 190 transitions. [2021-11-23 01:47:45,731 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2021-11-23 01:47:45,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:47:45,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:45,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:51,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:51,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2021-11-23 01:47:51,919 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2021-11-23 01:47:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:47:51,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:51,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 139 states and 234 transitions. [2021-11-23 01:47:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 234 transitions. [2021-11-23 01:47:57,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:47:57,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:57,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:57,888 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 144 states and 243 transitions. [2021-11-23 01:47:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 243 transitions. [2021-11-23 01:47:59,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:59,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:59,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:00,332 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:04,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:04,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 152 states and 260 transitions. [2021-11-23 01:48:04,078 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 260 transitions. [2021-11-23 01:48:04,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:48:04,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:04,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:12,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 168 states and 300 transitions. [2021-11-23 01:48:12,381 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 300 transitions. [2021-11-23 01:48:12,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:48:12,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:12,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:18,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 179 states and 318 transitions. [2021-11-23 01:48:18,295 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 318 transitions. [2021-11-23 01:48:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:48:18,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:18,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:25,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 191 states and 340 transitions. [2021-11-23 01:48:25,154 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 340 transitions. [2021-11-23 01:48:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:48:25,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:25,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:26,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:26,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 193 states and 346 transitions. [2021-11-23 01:48:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 346 transitions. [2021-11-23 01:48:26,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:48:26,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:26,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:27,779 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:33,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:33,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 205 states and 370 transitions. [2021-11-23 01:48:33,861 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 370 transitions. [2021-11-23 01:48:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:48:33,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:33,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:34,263 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:34,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:34,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 206 states and 372 transitions. [2021-11-23 01:48:34,975 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 372 transitions. [2021-11-23 01:48:34,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:48:34,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:34,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:37,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:37,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 209 states and 381 transitions. [2021-11-23 01:48:37,074 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 381 transitions. [2021-11-23 01:48:37,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:48:37,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:37,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:38,856 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 212 states and 389 transitions. [2021-11-23 01:48:42,788 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 389 transitions. [2021-11-23 01:48:42,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:48:42,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:42,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:46,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:46,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 217 states and 403 transitions. [2021-11-23 01:48:46,794 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 403 transitions. [2021-11-23 01:48:46,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:48:46,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:46,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:49,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 220 states and 413 transitions. [2021-11-23 01:48:49,630 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 413 transitions. [2021-11-23 01:48:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:48:49,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:49,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:50,266 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:53,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:53,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 224 states and 424 transitions. [2021-11-23 01:48:53,060 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 424 transitions. [2021-11-23 01:48:53,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:48:53,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:53,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:54,254 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:04,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 240 states and 469 transitions. [2021-11-23 01:49:04,777 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 469 transitions. [2021-11-23 01:49:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:49:04,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:04,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:05,130 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:08,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 244 states and 484 transitions. [2021-11-23 01:49:08,124 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 484 transitions. [2021-11-23 01:49:08,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:49:08,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:08,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 245 states and 487 transitions. [2021-11-23 01:49:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 487 transitions. [2021-11-23 01:49:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:49:09,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:09,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:09,927 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 248 states and 499 transitions. [2021-11-23 01:49:11,959 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 499 transitions. [2021-11-23 01:49:11,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:49:11,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:11,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:16,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 251 states and 507 transitions. [2021-11-23 01:49:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 507 transitions. [2021-11-23 01:49:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:49:16,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:16,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:17,192 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:20,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:20,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 256 states and 520 transitions. [2021-11-23 01:49:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 520 transitions. [2021-11-23 01:49:20,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:49:20,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:20,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:23,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:23,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 259 states and 529 transitions. [2021-11-23 01:49:23,089 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 529 transitions. [2021-11-23 01:49:23,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:49:23,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:23,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:23,371 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 260 states and 530 transitions. [2021-11-23 01:49:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 530 transitions. [2021-11-23 01:49:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:49:24,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:24,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:26,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 263 states and 538 transitions. [2021-11-23 01:49:26,534 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 538 transitions. [2021-11-23 01:49:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:49:26,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:26,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat