./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9bc953af286e9cfd29d104859de67d32500c9606def6c78f8ad113aab301f45 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:59:11,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:59:11,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:59:11,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:59:11,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:59:11,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:59:11,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:59:11,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:59:11,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:59:11,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:59:11,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:59:11,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:59:11,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:59:11,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:59:11,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:59:11,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:59:11,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:59:11,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:59:11,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:59:11,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:59:11,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:59:11,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:59:11,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:59:11,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:59:11,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:59:11,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:59:11,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:59:11,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:59:11,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:59:11,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:59:11,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:59:11,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:59:11,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:59:11,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:59:11,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:59:11,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:59:11,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:59:12,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:59:12,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:59:12,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:59:12,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:59:12,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:59:12,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:59:12,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:59:12,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:59:12,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:59:12,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:59:12,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:59:12,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:59:12,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:59:12,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:59:12,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:59:12,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:59:12,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:59:12,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:59:12,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:59:12,058 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:59:12,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:59:12,059 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:59:12,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:59:12,059 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:59:12,060 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:59:12,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:59:12,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:59:12,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:59:12,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:59:12,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:59:12,061 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:59:12,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:59:12,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:59:12,062 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_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9bc953af286e9cfd29d104859de67d32500c9606def6c78f8ad113aab301f45 [2021-11-13 23:59:12,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:59:12,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:59:12,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:59:12,394 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:59:12,395 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:59:12,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-13 23:59:12,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/data/72539466d/53b5d3fc74f741ee8630bd440e8e2364/FLAGe4433f7ac [2021-11-13 23:59:13,132 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:59:13,136 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-13 23:59:13,157 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/data/72539466d/53b5d3fc74f741ee8630bd440e8e2364/FLAGe4433f7ac [2021-11-13 23:59:13,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/data/72539466d/53b5d3fc74f741ee8630bd440e8e2364 [2021-11-13 23:59:13,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:59:13,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:59:13,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:59:13,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:59:13,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:59:13,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:59:13" (1/1) ... [2021-11-13 23:59:13,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d928ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:13, skipping insertion in model container [2021-11-13 23:59:13,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:59:13" (1/1) ... [2021-11-13 23:59:13,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:59:13,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:59:13,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3_overflow.ufo.UNBOUNDED.pals.c[12924,12937] [2021-11-13 23:59:13,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:59:13,922 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:59:14,023 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3_overflow.ufo.UNBOUNDED.pals.c[12924,12937] [2021-11-13 23:59:14,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:59:14,056 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:59:14,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:14 WrapperNode [2021-11-13 23:59:14,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:59:14,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:59:14,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:59:14,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:59:14,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:14" (1/1) ... [2021-11-13 23:59:14,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:14" (1/1) ... [2021-11-13 23:59:14,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:59:14,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:59:14,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:59:14,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:59:14,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:14" (1/1) ... [2021-11-13 23:59:14,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:14" (1/1) ... [2021-11-13 23:59:14,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:14" (1/1) ... [2021-11-13 23:59:14,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:14" (1/1) ... [2021-11-13 23:59:14,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:14" (1/1) ... [2021-11-13 23:59:14,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:14" (1/1) ... [2021-11-13 23:59:14,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:14" (1/1) ... [2021-11-13 23:59:14,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:59:14,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:59:14,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:59:14,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:59:14,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:14" (1/1) ... [2021-11-13 23:59:14,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:59:14,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:59:14,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:59:14,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952d122e-7f73-4ffc-9e3c-3db9ffa4972d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:59:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:59:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:59:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:59:14,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:59:15,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:59:15,789 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:59:15,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:59:15 BoogieIcfgContainer [2021-11-13 23:59:15,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:59:15,793 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:59:15,793 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:59:15,805 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:59:15,806 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:59:15" (1/1) ... [2021-11-13 23:59:15,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:59:15,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:15,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-13 23:59:15,904 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-13 23:59:15,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:59:15,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:15,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:16,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:17,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-13 23:59:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-13 23:59:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:59:17,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:17,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:17,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2021-11-13 23:59:17,882 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2021-11-13 23:59:17,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:59:17,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:17,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:18,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:18,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-11-13 23:59:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-11-13 23:59:18,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:59:18,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:18,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2021-11-13 23:59:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2021-11-13 23:59:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:59:19,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:19,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2021-11-13 23:59:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2021-11-13 23:59:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:59:21,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:21,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:22,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2021-11-13 23:59:22,924 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2021-11-13 23:59:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:59:22,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:22,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:23,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:23,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:23,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2021-11-13 23:59:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2021-11-13 23:59:23,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:59:23,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:23,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:25,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 96 transitions. [2021-11-13 23:59:25,669 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 96 transitions. [2021-11-13 23:59:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:59:25,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:25,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:25,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2021-11-13 23:59:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2021-11-13 23:59:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:59:25,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:25,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:26,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:26,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 60 states and 102 transitions. [2021-11-13 23:59:26,205 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 102 transitions. [2021-11-13 23:59:26,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:59:26,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:26,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:31,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:31,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 76 states and 134 transitions. [2021-11-13 23:59:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 134 transitions. [2021-11-13 23:59:31,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:59:31,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:31,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:31,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:36,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:36,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 92 states and 166 transitions. [2021-11-13 23:59:36,889 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 166 transitions. [2021-11-13 23:59:36,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:59:36,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:36,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:37,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 93 states and 169 transitions. [2021-11-13 23:59:37,558 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 169 transitions. [2021-11-13 23:59:37,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:59:37,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:37,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:38,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:43,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:43,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 111 states and 204 transitions. [2021-11-13 23:59:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 204 transitions. [2021-11-13 23:59:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:59:43,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:43,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:44,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:44,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 112 states and 208 transitions. [2021-11-13 23:59:44,101 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 208 transitions. [2021-11-13 23:59:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:59:44,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:44,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 126 states and 236 transitions. [2021-11-13 23:59:50,504 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 236 transitions. [2021-11-13 23:59:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:59:50,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:50,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:50,786 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 127 states and 241 transitions. [2021-11-13 23:59:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 241 transitions. [2021-11-13 23:59:51,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:59:51,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:51,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:59:52,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:52,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 130 states and 249 transitions. [2021-11-13 23:59:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 249 transitions. [2021-11-13 23:59:52,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:59:52,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:59:52,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:59:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:59:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:00,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 149 states and 286 transitions. [2021-11-14 00:00:00,497 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 286 transitions. [2021-11-14 00:00:00,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-14 00:00:00,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:00,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:00,830 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:01,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:01,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 151 states and 290 transitions. [2021-11-14 00:00:01,905 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 290 transitions. [2021-11-14 00:00:01,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-14 00:00:01,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:01,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:02,284 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:02,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 152 states and 291 transitions. [2021-11-14 00:00:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 291 transitions. [2021-11-14 00:00:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-14 00:00:02,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:02,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:04,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:04,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 154 states and 294 transitions. [2021-11-14 00:00:04,552 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 294 transitions. [2021-11-14 00:00:04,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-14 00:00:04,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:04,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:05,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 155 states and 295 transitions. [2021-11-14 00:00:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 295 transitions. [2021-11-14 00:00:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-14 00:00:05,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:05,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:10,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 169 states and 318 transitions. [2021-11-14 00:00:10,890 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 318 transitions. [2021-11-14 00:00:10,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-14 00:00:10,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:10,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:11,096 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 173 states and 328 transitions. [2021-11-14 00:00:13,307 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 328 transitions. [2021-11-14 00:00:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-14 00:00:13,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:13,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:19,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:19,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 181 states and 345 transitions. [2021-11-14 00:00:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 345 transitions. [2021-11-14 00:00:19,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-14 00:00:19,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:19,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 194 states and 378 transitions. [2021-11-14 00:00:27,310 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 378 transitions. [2021-11-14 00:00:27,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-14 00:00:27,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:27,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:35,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 207 states and 401 transitions. [2021-11-14 00:00:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 401 transitions. [2021-11-14 00:00:35,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-14 00:00:35,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:35,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 218 states and 422 transitions. [2021-11-14 00:00:42,418 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 422 transitions. [2021-11-14 00:00:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-14 00:00:42,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:42,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:43,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 219 states and 426 transitions. [2021-11-14 00:00:43,512 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 426 transitions. [2021-11-14 00:00:43,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-14 00:00:43,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:43,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:50,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 228 states and 442 transitions. [2021-11-14 00:00:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 442 transitions. [2021-11-14 00:00:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-14 00:00:50,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:50,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:50,368 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 230 states and 449 transitions. [2021-11-14 00:00:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 449 transitions. [2021-11-14 00:00:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-14 00:00:51,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:51,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:52,274 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:53,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 231 states and 451 transitions. [2021-11-14 00:00:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 451 transitions. [2021-11-14 00:00:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-14 00:00:53,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:53,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:00:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:00:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:00:59,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:00:59,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 236 states and 466 transitions. [2021-11-14 00:00:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 466 transitions. [2021-11-14 00:00:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-14 00:00:59,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:00:59,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:00,198 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 238 states and 474 transitions. [2021-11-14 00:01:01,714 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 474 transitions. [2021-11-14 00:01:01,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-14 00:01:01,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:01,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 249 states and 493 transitions. [2021-11-14 00:01:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 493 transitions. [2021-11-14 00:01:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-14 00:01:11,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:11,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:13,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:13,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 251 states and 502 transitions. [2021-11-14 00:01:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 502 transitions. [2021-11-14 00:01:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-14 00:01:13,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:13,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:13,543 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:16,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 255 states and 520 transitions. [2021-11-14 00:01:17,000 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 520 transitions. [2021-11-14 00:01:17,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-14 00:01:17,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:17,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:17,646 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:20,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 258 states and 527 transitions. [2021-11-14 00:01:20,868 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 527 transitions. [2021-11-14 00:01:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-14 00:01:20,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:20,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:25,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 263 states and 542 transitions. [2021-11-14 00:01:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 542 transitions. [2021-11-14 00:01:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-14 00:01:25,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:25,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 00:01:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 00:01:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-14 00:01:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 267 states and 552 transitions. [2021-11-14 00:01:29,673 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 552 transitions. [2021-11-14 00:01:29,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-14 00:01:29,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-14 00:01:29,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 00:01:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat