./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i --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_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/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_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/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_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/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 a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:19:08,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:19:08,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:19:08,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:19:08,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:19:08,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:19:08,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:19:08,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:19:08,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:19:08,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:19:08,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:19:08,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:19:08,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:19:08,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:19:08,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:19:08,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:19:08,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:19:08,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:19:08,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:19:08,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:19:08,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:19:08,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:19:08,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:19:08,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:19:08,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:19:08,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:19:08,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:19:08,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:19:08,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:19:08,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:19:08,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:19:08,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:19:08,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:19:08,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:19:08,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:19:08,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:19:08,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:19:08,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:19:08,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:19:08,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:19:08,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:19:08,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:19:08,692 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:19:08,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:19:08,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:19:08,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:19:08,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:19:08,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:19:08,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:19:08,695 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:19:08,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:19:08,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:19:08,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:19:08,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:19:08,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:19:08,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:19:08,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:19:08,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:19:08,697 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:19:08,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:19:08,697 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:19:08,697 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:19:08,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:19:08,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:19:08,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:19:08,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:19:08,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:19:08,699 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:19:08,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:19:08,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:19:08,699 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_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a [2021-11-23 01:19:09,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:19:09,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:19:09,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:19:09,062 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:19:09,063 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:19:09,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2021-11-23 01:19:09,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/bin/ukojak-LBtLqBUTdQ/data/8c9703470/846dc58689dd4c019cfecdf2451a4eac/FLAGd0297bef9 [2021-11-23 01:19:09,640 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:19:09,640 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2021-11-23 01:19:09,647 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/bin/ukojak-LBtLqBUTdQ/data/8c9703470/846dc58689dd4c019cfecdf2451a4eac/FLAGd0297bef9 [2021-11-23 01:19:09,989 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/bin/ukojak-LBtLqBUTdQ/data/8c9703470/846dc58689dd4c019cfecdf2451a4eac [2021-11-23 01:19:09,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:19:09,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:19:10,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:19:10,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:19:10,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:19:10,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:09" (1/1) ... [2021-11-23 01:19:10,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e2c6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:10, skipping insertion in model container [2021-11-23 01:19:10,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:09" (1/1) ... [2021-11-23 01:19:10,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:19:10,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:19:10,215 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_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2021-11-23 01:19:10,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:19:10,262 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:19:10,282 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_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2021-11-23 01:19:10,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:19:10,307 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:19:10,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:10 WrapperNode [2021-11-23 01:19:10,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:19:10,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:19:10,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:19:10,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:19:10,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:10" (1/1) ... [2021-11-23 01:19:10,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:10" (1/1) ... [2021-11-23 01:19:10,355 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2021-11-23 01:19:10,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:19:10,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:19:10,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:19:10,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:19:10,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:10" (1/1) ... [2021-11-23 01:19:10,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:10" (1/1) ... [2021-11-23 01:19:10,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:10" (1/1) ... [2021-11-23 01:19:10,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:10" (1/1) ... [2021-11-23 01:19:10,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:10" (1/1) ... [2021-11-23 01:19:10,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:10" (1/1) ... [2021-11-23 01:19:10,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:10" (1/1) ... [2021-11-23 01:19:10,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:19:10,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:19:10,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:19:10,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:19:10,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:10" (1/1) ... [2021-11-23 01:19:10,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:19:10,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:19:10,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:19:10,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f97081-d1d3-4376-9b14-0d7dd6a86ebb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:19:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:19:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:19:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:19:10,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:19:10,559 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:19:10,561 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:19:10,669 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:19:10,694 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:19:10,694 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:19:10,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:10 BoogieIcfgContainer [2021-11-23 01:19:10,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:19:10,698 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:19:10,698 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:19:10,709 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:19:10,710 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:10" (1/1) ... [2021-11-23 01:19:10,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:19:10,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:19:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:19:10,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:19:10,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:10,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:11,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-23 01:19:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-23 01:19:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:19:11,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:11,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:11,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 01:19:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 01:19:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:19:11,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:11,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2021-11-23 01:19:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2021-11-23 01:19:11,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:19:11,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:11,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 14 states and 24 transitions. [2021-11-23 01:19:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 24 transitions. [2021-11-23 01:19:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:19:12,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:12,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2021-11-23 01:19:12,687 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2021-11-23 01:19:12,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:19:12,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:13,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:13,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 16 states and 34 transitions. [2021-11-23 01:19:13,494 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 34 transitions. [2021-11-23 01:19:13,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:19:13,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:13,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:13,909 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:14,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 17 states and 40 transitions. [2021-11-23 01:19:14,478 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 40 transitions. [2021-11-23 01:19:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:19:14,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:14,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:15,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:15,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2021-11-23 01:19:15,602 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2021-11-23 01:19:15,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:19:15,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:15,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:16,138 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:16,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 19 states and 53 transitions. [2021-11-23 01:19:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 53 transitions. [2021-11-23 01:19:16,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:19:16,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:16,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 20 states and 60 transitions. [2021-11-23 01:19:18,604 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 60 transitions. [2021-11-23 01:19:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:19:18,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:20,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 21 states and 67 transitions. [2021-11-23 01:19:20,405 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 67 transitions. [2021-11-23 01:19:20,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:19:20,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:20,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 22 states and 75 transitions. [2021-11-23 01:19:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 75 transitions. [2021-11-23 01:19:22,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:19:22,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:22,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:25,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 23 states and 83 transitions. [2021-11-23 01:19:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 83 transitions. [2021-11-23 01:19:25,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:19:25,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:25,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:28,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 24 states and 91 transitions. [2021-11-23 01:19:28,537 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 91 transitions. [2021-11-23 01:19:28,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:19:28,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:28,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:30,305 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:32,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:32,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 25 states and 100 transitions. [2021-11-23 01:19:32,531 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 100 transitions. [2021-11-23 01:19:32,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:19:32,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:32,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:37,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:37,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 26 states and 109 transitions. [2021-11-23 01:19:37,731 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 109 transitions. [2021-11-23 01:19:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:37,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:37,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:43,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:43,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 27 states and 118 transitions. [2021-11-23 01:19:43,346 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 118 transitions. [2021-11-23 01:19:43,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:19:43,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:43,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:46,380 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:50,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 28 states and 128 transitions. [2021-11-23 01:19:50,035 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 128 transitions. [2021-11-23 01:19:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:50,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:50,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:57,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:57,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 29 states and 138 transitions. [2021-11-23 01:19:57,676 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 138 transitions. [2021-11-23 01:19:57,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:19:57,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:57,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:06,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:06,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 30 states and 148 transitions. [2021-11-23 01:20:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 148 transitions. [2021-11-23 01:20:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:20:06,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:06,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:16,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:16,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 31 states and 159 transitions. [2021-11-23 01:20:16,369 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 159 transitions. [2021-11-23 01:20:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:20:16,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:16,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:28,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 32 states and 169 transitions. [2021-11-23 01:20:28,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 169 transitions. [2021-11-23 01:20:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:28,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:28,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:35,155 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:42,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:42,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 33 states and 180 transitions. [2021-11-23 01:20:42,861 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 180 transitions. [2021-11-23 01:20:42,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:20:42,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:42,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 34 states and 192 transitions. [2021-11-23 01:20:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 192 transitions. [2021-11-23 01:20:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:20:59,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:59,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:17,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:17,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 35 states and 203 transitions. [2021-11-23 01:21:17,279 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 203 transitions. [2021-11-23 01:21:17,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:21:17,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:17,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:36,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 36 states and 214 transitions. [2021-11-23 01:21:36,634 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 214 transitions. [2021-11-23 01:21:36,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:21:36,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:36,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:47,136 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:59,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:59,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 37 states and 227 transitions. [2021-11-23 01:21:59,411 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 227 transitions. [2021-11-23 01:21:59,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:21:59,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:59,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:10,977 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 38 states and 239 transitions. [2021-11-23 01:22:24,363 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 239 transitions. [2021-11-23 01:22:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:22:24,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:24,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:36,284 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:48,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 39 states and 251 transitions. [2021-11-23 01:22:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 251 transitions. [2021-11-23 01:22:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:22:48,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:48,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:12,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:12,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 40 states and 264 transitions. [2021-11-23 01:23:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 264 transitions. [2021-11-23 01:23:12,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:23:12,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:12,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:25,710 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 41 states and 277 transitions. [2021-11-23 01:23:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 277 transitions. [2021-11-23 01:23:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:23:40,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:40,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:54,537 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:10,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 42 states and 290 transitions. [2021-11-23 01:24:10,334 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 290 transitions. [2021-11-23 01:24:10,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:24:10,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:10,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:42,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:42,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 43 states and 304 transitions. [2021-11-23 01:24:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 304 transitions. [2021-11-23 01:24:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:24:42,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:42,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:18,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:18,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 44 states and 317 transitions. [2021-11-23 01:25:18,219 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 317 transitions. [2021-11-23 01:25:18,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:25:18,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:18,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:56,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 45 states and 331 transitions. [2021-11-23 01:25:56,669 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 331 transitions. [2021-11-23 01:25:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:25:56,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:56,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:38,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 46 states and 346 transitions. [2021-11-23 01:26:38,152 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 346 transitions. [2021-11-23 01:26:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:26:38,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:38,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:23,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 47 states and 359 transitions. [2021-11-23 01:27:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 359 transitions. [2021-11-23 01:27:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:27:23,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:23,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:46,048 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 48 states and 373 transitions. [2021-11-23 01:28:11,383 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 373 transitions. [2021-11-23 01:28:11,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:28:11,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:11,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:04,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:04,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 49 states and 389 transitions. [2021-11-23 01:29:04,431 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 389 transitions. [2021-11-23 01:29:04,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:29:04,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:04,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:31,456 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.