./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/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_93fe621c-0976-4c98-892f-5c8889dffc0d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/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_93fe621c-0976-4c98-892f-5c8889dffc0d/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 e328965cea0bb66eb9fefef2406463fafd513fe2a95976e689a71eb96c010564 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:24:42,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:24:42,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:24:42,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:24:42,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:24:42,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:24:42,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:24:43,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:24:43,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:24:43,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:24:43,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:24:43,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:24:43,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:24:43,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:24:43,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:24:43,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:24:43,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:24:43,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:24:43,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:24:43,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:24:43,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:24:43,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:24:43,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:24:43,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:24:43,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:24:43,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:24:43,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:24:43,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:24:43,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:24:43,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:24:43,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:24:43,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:24:43,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:24:43,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:24:43,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:24:43,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:24:43,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:24:43,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:24:43,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:24:43,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:24:43,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:24:43,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:24:43,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:24:43,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:24:43,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:24:43,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:24:43,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:24:43,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:24:43,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:24:43,155 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:24:43,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:24:43,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:24:43,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:24:43,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:24:43,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:24:43,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:24:43,163 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:24:43,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:24:43,163 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:24:43,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:24:43,164 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:24:43,164 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:24:43,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:24:43,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:43,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:24:43,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:24:43,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:24:43,167 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:24:43,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:24:43,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:24:43,168 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_93fe621c-0976-4c98-892f-5c8889dffc0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e328965cea0bb66eb9fefef2406463fafd513fe2a95976e689a71eb96c010564 [2021-11-22 23:24:43,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:24:43,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:24:43,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:24:43,503 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:24:43,504 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:24:43,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-22 23:24:43,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/bin/ukojak-LBtLqBUTdQ/data/ab6e957dc/d3ce9ddeacc34b9e996400310640e095/FLAGf6e7afacd [2021-11-22 23:24:44,252 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:24:44,253 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-22 23:24:44,271 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/bin/ukojak-LBtLqBUTdQ/data/ab6e957dc/d3ce9ddeacc34b9e996400310640e095/FLAGf6e7afacd [2021-11-22 23:24:44,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/bin/ukojak-LBtLqBUTdQ/data/ab6e957dc/d3ce9ddeacc34b9e996400310640e095 [2021-11-22 23:24:44,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:24:44,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:24:44,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:44,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:24:44,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:24:44,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adb608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:44, skipping insertion in model container [2021-11-22 23:24:44,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:24:44,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:24:44,974 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_93fe621c-0976-4c98-892f-5c8889dffc0d/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[6636,6649] [2021-11-22 23:24:45,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:45,039 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:24:45,151 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_93fe621c-0976-4c98-892f-5c8889dffc0d/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[6636,6649] [2021-11-22 23:24:45,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:45,243 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:24:45,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:45 WrapperNode [2021-11-22 23:24:45,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:45,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:45,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:24:45,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:24:45,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:45" (1/1) ... [2021-11-22 23:24:45,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:45" (1/1) ... [2021-11-22 23:24:45,310 INFO L137 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 514 [2021-11-22 23:24:45,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:45,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:24:45,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:24:45,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:24:45,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:45" (1/1) ... [2021-11-22 23:24:45,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:45" (1/1) ... [2021-11-22 23:24:45,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:45" (1/1) ... [2021-11-22 23:24:45,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:45" (1/1) ... [2021-11-22 23:24:45,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:45" (1/1) ... [2021-11-22 23:24:45,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:45" (1/1) ... [2021-11-22 23:24:45,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:45" (1/1) ... [2021-11-22 23:24:45,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:24:45,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:24:45,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:24:45,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:24:45,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:45" (1/1) ... [2021-11-22 23:24:45,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:45,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:24:45,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:24:45,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93fe621c-0976-4c98-892f-5c8889dffc0d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:24:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:24:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:24:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:24:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:24:45,732 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:24:45,734 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:24:46,431 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:24:46,684 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:24:46,685 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 23:24:46,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:46 BoogieIcfgContainer [2021-11-22 23:24:46,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:24:46,690 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:24:46,690 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:24:46,702 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:24:46,702 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:46" (1/1) ... [2021-11-22 23:24:46,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:24:46,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 86 states and 147 transitions. [2021-11-22 23:24:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2021-11-22 23:24:46,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:24:46,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:47,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 86 states and 145 transitions. [2021-11-22 23:24:47,457 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2021-11-22 23:24:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:24:47,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:48,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 89 states and 150 transitions. [2021-11-22 23:24:48,136 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 150 transitions. [2021-11-22 23:24:48,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:24:48,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:49,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 163 transitions. [2021-11-22 23:24:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 163 transitions. [2021-11-22 23:24:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:24:49,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 155 transitions. [2021-11-22 23:24:49,326 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 155 transitions. [2021-11-22 23:24:49,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:24:49,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:51,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 93 states and 154 transitions. [2021-11-22 23:24:51,101 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2021-11-22 23:24:51,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:24:51,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 86 states and 142 transitions. [2021-11-22 23:24:51,222 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 142 transitions. [2021-11-22 23:24:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:24:51,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:17,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 88 states and 143 transitions. [2021-11-22 23:25:17,871 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 143 transitions. [2021-11-22 23:25:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:25:17,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:46,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:46,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 91 states and 144 transitions. [2021-11-22 23:25:46,170 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2021-11-22 23:25:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:25:46,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:46,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 95 states and 149 transitions. [2021-11-22 23:27:03,071 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 149 transitions. [2021-11-22 23:27:03,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:27:03,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:03,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:09,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 98 states and 153 transitions. [2021-11-22 23:27:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 153 transitions. [2021-11-22 23:27:09,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:27:09,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:09,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 106 states and 166 transitions. [2021-11-22 23:27:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 166 transitions. [2021-11-22 23:27:20,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:27:20,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:20,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:30,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:30,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 119 states and 189 transitions. [2021-11-22 23:27:30,813 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 189 transitions. [2021-11-22 23:27:30,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:27:30,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:30,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:30,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 120 states and 189 transitions. [2021-11-22 23:27:30,876 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 189 transitions. [2021-11-22 23:27:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:27:30,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:30,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:31,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:41,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:41,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 138 states and 222 transitions. [2021-11-22 23:27:41,146 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 222 transitions. [2021-11-22 23:27:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:27:41,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:41,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 139 states and 222 transitions. [2021-11-22 23:27:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 222 transitions. [2021-11-22 23:27:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:27:41,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:41,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:41,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:41,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 140 states and 222 transitions. [2021-11-22 23:27:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 222 transitions. [2021-11-22 23:27:41,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:27:41,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:41,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:51,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 163 states and 265 transitions. [2021-11-22 23:27:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 265 transitions. [2021-11-22 23:27:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:27:51,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:51,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:51,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 164 states and 265 transitions. [2021-11-22 23:27:51,678 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 265 transitions. [2021-11-22 23:27:51,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:27:51,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:51,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:51,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:51,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:51,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 165 states and 265 transitions. [2021-11-22 23:27:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 265 transitions. [2021-11-22 23:27:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:27:51,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:51,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:51,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:51,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 166 states and 265 transitions. [2021-11-22 23:27:51,809 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 265 transitions. [2021-11-22 23:27:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:27:51,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:51,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:51,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:59,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 186 states and 305 transitions. [2021-11-22 23:27:59,220 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 305 transitions. [2021-11-22 23:27:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:27:59,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:59,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:59,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 187 states and 305 transitions. [2021-11-22 23:27:59,296 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 305 transitions. [2021-11-22 23:27:59,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:27:59,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:59,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:59,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:59,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:59,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 188 states and 305 transitions. [2021-11-22 23:27:59,369 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 305 transitions. [2021-11-22 23:27:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:27:59,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:59,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:59,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:59,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 189 states and 305 transitions. [2021-11-22 23:27:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 305 transitions. [2021-11-22 23:27:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:27:59,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:59,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 190 states and 305 transitions. [2021-11-22 23:27:59,512 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 305 transitions. [2021-11-22 23:27:59,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:27:59,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:59,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:11,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:11,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 216 states and 353 transitions. [2021-11-22 23:28:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 353 transitions. [2021-11-22 23:28:11,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:28:11,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:11,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:12,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:21,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:21,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 239 states and 397 transitions. [2021-11-22 23:28:21,438 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 397 transitions. [2021-11-22 23:28:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:28:21,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:21,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:23,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 242 states and 399 transitions. [2021-11-22 23:28:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 399 transitions. [2021-11-22 23:28:23,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:28:23,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:23,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:23,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:23,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 243 states and 399 transitions. [2021-11-22 23:28:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 399 transitions. [2021-11-22 23:28:23,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:28:23,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:23,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:23,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:23,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 244 states and 399 transitions. [2021-11-22 23:28:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 399 transitions. [2021-11-22 23:28:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:28:23,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:23,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 245 states and 399 transitions. [2021-11-22 23:28:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 399 transitions. [2021-11-22 23:28:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:28:23,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:23,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:23,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 246 states and 399 transitions. [2021-11-22 23:28:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 399 transitions. [2021-11-22 23:28:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:28:23,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:23,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:23,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 247 states and 399 transitions. [2021-11-22 23:28:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 399 transitions. [2021-11-22 23:28:23,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:28:23,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:23,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:23,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:23,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 248 states and 399 transitions. [2021-11-22 23:28:23,893 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 399 transitions. [2021-11-22 23:28:23,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:28:23,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:23,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:25,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:25,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 249 states and 402 transitions. [2021-11-22 23:28:25,158 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 402 transitions. [2021-11-22 23:28:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:28:25,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:25,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:25,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:26,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 250 states and 402 transitions. [2021-11-22 23:28:26,069 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 402 transitions. [2021-11-22 23:28:26,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:28:26,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:26,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:26,122 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:28:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 250 states and 401 transitions. [2021-11-22 23:28:27,250 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 401 transitions. [2021-11-22 23:28:27,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:28:27,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:27,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:27,727 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:28:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 259 states and 414 transitions. [2021-11-22 23:28:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 414 transitions. [2021-11-22 23:28:55,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:28:55,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:55,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:29:22,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 283 states and 457 transitions. [2021-11-22 23:29:22,184 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 457 transitions. [2021-11-22 23:29:22,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:29:22,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:22,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:22,686 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:29:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 302 states and 490 transitions. [2021-11-22 23:29:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 490 transitions. [2021-11-22 23:29:55,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:29:55,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:55,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:29:55,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:55,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 303 states and 490 transitions. [2021-11-22 23:29:55,855 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 490 transitions. [2021-11-22 23:29:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:29:55,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:55,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,416 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.