./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/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_e9f1d4c5-e1df-49e5-be06-536b79e24007/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/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_e9f1d4c5-e1df-49e5-be06-536b79e24007/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 584cb00847e346bcb7b5af30068947c52ce3c4d690063caf12c5ab86dbf7ec89 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:56:21,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:56:21,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:56:21,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:56:21,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:56:21,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:56:21,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:56:21,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:56:21,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:56:21,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:56:21,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:56:21,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:56:21,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:56:21,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:56:21,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:56:21,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:56:21,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:56:21,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:56:21,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:56:21,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:56:21,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:56:21,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:56:21,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:56:21,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:56:21,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:56:21,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:56:21,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:56:21,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:56:21,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:56:21,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:56:21,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:56:21,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:56:21,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:56:21,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:56:21,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:56:21,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:56:21,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:56:21,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:56:21,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:56:21,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:56:21,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:56:21,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:56:21,729 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:56:21,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:56:21,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:56:21,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:56:21,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:56:21,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:56:21,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:56:21,732 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:56:21,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:56:21,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:56:21,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:56:21,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:56:21,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:56:21,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:56:21,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:56:21,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:56:21,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:56:21,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:56:21,741 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:56:21,741 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:56:21,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:56:21,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:56:21,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:56:21,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:56:21,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:56:21,743 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:56:21,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:56:21,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:56:21,743 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_e9f1d4c5-e1df-49e5-be06-536b79e24007/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 584cb00847e346bcb7b5af30068947c52ce3c4d690063caf12c5ab86dbf7ec89 [2021-11-23 00:56:22,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:56:22,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:56:22,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:56:22,046 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:56:22,048 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:56:22,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c [2021-11-23 00:56:22,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/bin/ukojak-LBtLqBUTdQ/data/f01eb0b65/24cb96f517f54fac807110456c6527bf/FLAGd6dfbdc4f [2021-11-23 00:56:22,631 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:56:22,643 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c [2021-11-23 00:56:22,656 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/bin/ukojak-LBtLqBUTdQ/data/f01eb0b65/24cb96f517f54fac807110456c6527bf/FLAGd6dfbdc4f [2021-11-23 00:56:22,975 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/bin/ukojak-LBtLqBUTdQ/data/f01eb0b65/24cb96f517f54fac807110456c6527bf [2021-11-23 00:56:22,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:56:22,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:56:22,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:56:22,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:56:22,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:56:22,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:22" (1/1) ... [2021-11-23 00:56:22,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1cdd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:22, skipping insertion in model container [2021-11-23 00:56:22,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:22" (1/1) ... [2021-11-23 00:56:22,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:56:23,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:56:23,319 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_e9f1d4c5-e1df-49e5-be06-536b79e24007/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c[26490,26503] [2021-11-23 00:56:23,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:56:23,335 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:56:23,444 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_e9f1d4c5-e1df-49e5-be06-536b79e24007/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c[26490,26503] [2021-11-23 00:56:23,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:56:23,465 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:56:23,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23 WrapperNode [2021-11-23 00:56:23,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:56:23,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:56:23,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:56:23,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:56:23,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2021-11-23 00:56:23,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2021-11-23 00:56:23,553 INFO L137 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 525 [2021-11-23 00:56:23,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:56:23,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:56:23,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:56:23,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:56:23,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2021-11-23 00:56:23,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2021-11-23 00:56:23,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2021-11-23 00:56:23,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2021-11-23 00:56:23,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2021-11-23 00:56:23,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2021-11-23 00:56:23,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2021-11-23 00:56:23,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:56:23,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:56:23,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:56:23,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:56:23,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2021-11-23 00:56:23,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:56:23,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:56:23,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:56:23,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9f1d4c5-e1df-49e5-be06-536b79e24007/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:56:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:56:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:56:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:56:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:56:23,942 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:56:23,950 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:56:24,498 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:56:25,353 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:56:25,353 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:56:25,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:25 BoogieIcfgContainer [2021-11-23 00:56:25,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:56:25,357 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:56:25,357 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:56:25,367 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:56:25,368 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:25" (1/1) ... [2021-11-23 00:56:25,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:56:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:56:25,471 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:56:25,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:56:25,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:25,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:26,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:26,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 00:56:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 00:56:26,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:56:26,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:26,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:26,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:27,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:27,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-11-23 00:56:27,072 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-11-23 00:56:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:56:27,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:27,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:28,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2021-11-23 00:56:28,194 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2021-11-23 00:56:28,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:56:28,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:28,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:28,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:28,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:28,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2021-11-23 00:56:28,633 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2021-11-23 00:56:28,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:56:28,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:28,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:38,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2021-11-23 00:56:38,245 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2021-11-23 00:56:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:56:38,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:38,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:46,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:46,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 45 states and 89 transitions. [2021-11-23 00:56:46,694 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2021-11-23 00:56:46,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:56:46,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:46,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:01,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:01,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 108 transitions. [2021-11-23 00:57:01,100 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 108 transitions. [2021-11-23 00:57:01,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:57:01,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:01,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 56 states and 114 transitions. [2021-11-23 00:57:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2021-11-23 00:57:04,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:57:04,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:04,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:04,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 57 states and 117 transitions. [2021-11-23 00:57:04,630 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 117 transitions. [2021-11-23 00:57:04,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:57:04,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:04,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:19,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 74 states and 169 transitions. [2021-11-23 00:57:19,959 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 169 transitions. [2021-11-23 00:57:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:57:19,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:19,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:21,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:21,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 76 states and 174 transitions. [2021-11-23 00:57:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 174 transitions. [2021-11-23 00:57:21,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:57:21,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:21,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:34,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 93 states and 212 transitions. [2021-11-23 00:57:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 212 transitions. [2021-11-23 00:57:34,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:57:34,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:34,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 101 states and 242 transitions. [2021-11-23 00:57:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 242 transitions. [2021-11-23 00:57:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:57:42,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:42,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:42,618 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:44,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:44,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 103 states and 248 transitions. [2021-11-23 00:57:44,444 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 248 transitions. [2021-11-23 00:57:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:57:44,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:44,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:45,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:45,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 105 states and 254 transitions. [2021-11-23 00:57:45,802 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 254 transitions. [2021-11-23 00:57:45,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:57:45,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:45,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:47,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 108 states and 260 transitions. [2021-11-23 00:57:47,692 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 260 transitions. [2021-11-23 00:57:47,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:57:47,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:47,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:47,842 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:48,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 109 states and 263 transitions. [2021-11-23 00:57:48,875 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 263 transitions. [2021-11-23 00:57:48,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:57:48,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:48,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 110 states and 270 transitions. [2021-11-23 00:57:50,526 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 270 transitions. [2021-11-23 00:57:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:57:50,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:50,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:50,647 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:51,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 111 states and 272 transitions. [2021-11-23 00:57:51,425 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 272 transitions. [2021-11-23 00:57:51,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:57:51,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:51,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:51,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:52,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 112 states and 277 transitions. [2021-11-23 00:57:52,932 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 277 transitions. [2021-11-23 00:57:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:57:52,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:52,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:54,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 113 states and 280 transitions. [2021-11-23 00:57:54,058 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 280 transitions. [2021-11-23 00:57:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:57:54,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:54,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:57:54,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:54,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 113 states and 279 transitions. [2021-11-23 00:57:54,668 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 279 transitions. [2021-11-23 00:57:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:57:54,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:54,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:53,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:53,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 139 states and 363 transitions. [2021-11-23 00:59:53,846 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 363 transitions. [2021-11-23 00:59:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:59:53,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:53,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:17,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 143 states and 376 transitions. [2021-11-23 01:00:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 376 transitions. [2021-11-23 01:00:17,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:00:17,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:17,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:31,006 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:44,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 147 states and 392 transitions. [2021-11-23 01:00:44,196 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 392 transitions. [2021-11-23 01:00:44,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:00:44,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:44,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:59,171 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:07,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 150 states and 404 transitions. [2021-11-23 01:01:07,386 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 404 transitions. [2021-11-23 01:01:07,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:01:07,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:07,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:12,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 174 states and 469 transitions. [2021-11-23 01:02:12,528 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 469 transitions. [2021-11-23 01:02:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:02:12,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:12,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:17,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:17,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 199 states and 543 transitions. [2021-11-23 01:05:17,405 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 543 transitions. [2021-11-23 01:05:17,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:05:17,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:17,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:59,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 208 states and 574 transitions. [2021-11-23 01:05:59,550 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 574 transitions. [2021-11-23 01:05:59,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:05:59,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:59,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:00,175 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 217 states and 605 transitions. [2021-11-23 01:06:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 605 transitions. [2021-11-23 01:06:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:06:32,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:32,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:08,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:08,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 223 states and 625 transitions. [2021-11-23 01:07:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 625 transitions. [2021-11-23 01:07:08,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:07:08,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:08,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:09,482 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:19,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:19,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 226 states and 638 transitions. [2021-11-23 01:07:19,107 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 638 transitions. [2021-11-23 01:07:19,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:07:19,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:19,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:56,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 229 states and 646 transitions. [2021-11-23 01:07:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 646 transitions. [2021-11-23 01:07:56,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:07:56,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:56,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:17,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 231 states and 651 transitions. [2021-11-23 01:08:17,468 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 651 transitions. [2021-11-23 01:08:17,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:08:17,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:17,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.