./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.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_0bd9d06e-09a4-4eb5-8453-dc914f60beab/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/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_0bd9d06e-09a4-4eb5-8453-dc914f60beab/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/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_0bd9d06e-09a4-4eb5-8453-dc914f60beab/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 5d3b64744a19af136ca9c439b2264a15465f658e2e3d4a576a98d96e4b8aff92 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:46:52,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:46:52,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:46:52,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:46:52,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:46:52,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:46:52,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:46:52,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:46:52,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:46:52,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:46:52,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:46:52,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:46:52,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:46:52,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:46:52,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:46:52,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:46:52,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:46:52,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:46:52,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:46:52,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:46:52,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:46:52,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:46:52,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:46:52,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:46:52,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:46:52,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:46:52,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:46:52,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:46:52,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:46:52,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:46:52,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:46:52,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:46:52,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:46:52,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:46:52,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:46:52,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:46:52,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:46:52,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:46:52,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:46:52,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:46:52,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:46:52,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:46:52,855 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:46:52,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:46:52,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:46:52,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:46:52,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:46:52,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:46:52,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:46:52,858 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:46:52,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:46:52,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:46:52,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:46:52,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:46:52,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:46:52,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:46:52,860 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:46:52,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:46:52,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:46:52,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:46:52,861 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:46:52,861 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:46:52,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:46:52,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:46:52,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:46:52,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:46:52,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:46:52,866 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:46:52,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:46:52,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:46:52,867 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_0bd9d06e-09a4-4eb5-8453-dc914f60beab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d3b64744a19af136ca9c439b2264a15465f658e2e3d4a576a98d96e4b8aff92 [2021-11-23 00:46:53,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:46:53,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:46:53,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:46:53,211 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:46:53,212 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:46:53,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c [2021-11-23 00:46:53,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/bin/ukojak-LBtLqBUTdQ/data/5cf32bd98/deeff41cc0004b5da3ac87e6e482f8d1/FLAG90113acf4 [2021-11-23 00:46:53,817 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:46:53,819 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c [2021-11-23 00:46:53,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/bin/ukojak-LBtLqBUTdQ/data/5cf32bd98/deeff41cc0004b5da3ac87e6e482f8d1/FLAG90113acf4 [2021-11-23 00:46:54,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/bin/ukojak-LBtLqBUTdQ/data/5cf32bd98/deeff41cc0004b5da3ac87e6e482f8d1 [2021-11-23 00:46:54,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:46:54,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:46:54,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:46:54,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:46:54,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:46:54,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:46:54" (1/1) ... [2021-11-23 00:46:54,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b14d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:54, skipping insertion in model container [2021-11-23 00:46:54,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:46:54" (1/1) ... [2021-11-23 00:46:54,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:46:54,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:46:54,413 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_0bd9d06e-09a4-4eb5-8453-dc914f60beab/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c[8246,8259] [2021-11-23 00:46:54,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:46:54,426 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:46:54,476 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_0bd9d06e-09a4-4eb5-8453-dc914f60beab/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.1.ufo.BOUNDED-8.pals.c[8246,8259] [2021-11-23 00:46:54,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:46:54,492 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:46:54,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:54 WrapperNode [2021-11-23 00:46:54,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:46:54,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:46:54,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:46:54,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:46:54,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:54" (1/1) ... [2021-11-23 00:46:54,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:54" (1/1) ... [2021-11-23 00:46:54,548 INFO L137 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 275 [2021-11-23 00:46:54,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:46:54,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:46:54,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:46:54,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:46:54,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:54" (1/1) ... [2021-11-23 00:46:54,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:54" (1/1) ... [2021-11-23 00:46:54,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:54" (1/1) ... [2021-11-23 00:46:54,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:54" (1/1) ... [2021-11-23 00:46:54,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:54" (1/1) ... [2021-11-23 00:46:54,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:54" (1/1) ... [2021-11-23 00:46:54,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:54" (1/1) ... [2021-11-23 00:46:54,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:46:54,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:46:54,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:46:54,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:46:54,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:54" (1/1) ... [2021-11-23 00:46:54,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:46:54,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:46:54,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:46:54,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd9d06e-09a4-4eb5-8453-dc914f60beab/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:46:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:46:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:46:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:46:54,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:46:54,789 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:46:54,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:46:55,209 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:46:55,530 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:46:55,530 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:46:55,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:46:55 BoogieIcfgContainer [2021-11-23 00:46:55,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:46:55,534 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:46:55,534 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:46:55,548 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:46:55,549 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:46:55" (1/1) ... [2021-11-23 00:46:55,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:46:55,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:55,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:46:55,630 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:46:55,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:46:55,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:55,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:56,145 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 00:46:56,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 00:46:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 00:46:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:46:56,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:56,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:56,444 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 00:46:56,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:56,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-11-23 00:46:56,759 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-11-23 00:46:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:46:56,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:56,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:57,019 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 00:46:57,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:57,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2021-11-23 00:46:57,529 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2021-11-23 00:46:57,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:46:57,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:57,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:57,688 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 00:46:57,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:57,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2021-11-23 00:46:57,920 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2021-11-23 00:46:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:46:57,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:57,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:59,220 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 00:47:02,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2021-11-23 00:47:02,931 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2021-11-23 00:47:02,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:47:02,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:02,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:03,251 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 00:47:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:06,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 45 states and 92 transitions. [2021-11-23 00:47:06,817 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 92 transitions. [2021-11-23 00:47:06,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:47:06,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:06,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:08,222 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 00:47:13,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 54 states and 111 transitions. [2021-11-23 00:47:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 111 transitions. [2021-11-23 00:47:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:47:13,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:13,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:14,078 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 00:47:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 56 states and 118 transitions. [2021-11-23 00:47:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 118 transitions. [2021-11-23 00:47:14,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:47:14,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:14,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:14,767 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 00:47:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 57 states and 121 transitions. [2021-11-23 00:47:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 121 transitions. [2021-11-23 00:47:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:47:14,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:14,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:15,734 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 00:47:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 74 states and 172 transitions. [2021-11-23 00:47:24,534 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 172 transitions. [2021-11-23 00:47:24,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:47:24,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:24,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:24,687 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 00:47:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:25,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 76 states and 178 transitions. [2021-11-23 00:47:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 178 transitions. [2021-11-23 00:47:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:47:25,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:25,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:25,916 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 00:47:29,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 81 states and 195 transitions. [2021-11-23 00:47:29,761 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 195 transitions. [2021-11-23 00:47:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:47:29,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:29,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:30,748 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:36,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 94 states and 226 transitions. [2021-11-23 00:47:36,071 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 226 transitions. [2021-11-23 00:47:36,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:47:36,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:36,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:40,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:40,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 103 states and 255 transitions. [2021-11-23 00:47:40,886 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 255 transitions. [2021-11-23 00:47:40,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:47:40,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:40,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:41,031 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 00:47:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:41,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 104 states and 257 transitions. [2021-11-23 00:47:41,624 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 257 transitions. [2021-11-23 00:47:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:47:41,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:41,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:41,755 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:43,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:43,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 106 states and 267 transitions. [2021-11-23 00:47:43,391 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 267 transitions. [2021-11-23 00:47:43,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:47:43,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:43,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:43,469 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 00:47:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 107 states and 269 transitions. [2021-11-23 00:47:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 269 transitions. [2021-11-23 00:47:43,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:47:43,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:43,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:44,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:44,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 108 states and 273 transitions. [2021-11-23 00:47:44,523 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 273 transitions. [2021-11-23 00:47:44,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:47:44,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:44,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:44,641 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 00:47:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 109 states and 274 transitions. [2021-11-23 00:47:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 274 transitions. [2021-11-23 00:47:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:47:45,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:45,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:45,222 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 00:47:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:45,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 109 states and 273 transitions. [2021-11-23 00:47:45,248 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 273 transitions. [2021-11-23 00:47:45,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:47:45,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:45,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:54,248 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 00:48:39,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:39,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 135 states and 368 transitions. [2021-11-23 00:48:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 368 transitions. [2021-11-23 00:48:39,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:48:39,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:39,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:44,288 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 00:48:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 139 states and 388 transitions. [2021-11-23 00:48:50,159 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 388 transitions. [2021-11-23 00:48:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:48:50,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:50,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:54,737 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 00:49:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:00,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 142 states and 403 transitions. [2021-11-23 00:49:00,242 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 403 transitions. [2021-11-23 00:49:00,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:49:00,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:00,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:04,644 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 00:49:09,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:09,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 144 states and 410 transitions. [2021-11-23 00:49:09,791 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 410 transitions. [2021-11-23 00:49:09,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:49:09,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:09,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:14,205 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 00:49:16,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:16,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 146 states and 416 transitions. [2021-11-23 00:49:16,895 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 416 transitions. [2021-11-23 00:49:16,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:49:16,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:16,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:21,099 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 00:49:21,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:21,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 147 states and 420 transitions. [2021-11-23 00:49:21,355 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 420 transitions. [2021-11-23 00:49:21,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:49:21,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:21,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:25,810 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 00:49:27,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 148 states and 420 transitions. [2021-11-23 00:49:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 420 transitions. [2021-11-23 00:49:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:49:27,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:27,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:37,545 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 00:51:03,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 173 states and 510 transitions. [2021-11-23 00:51:03,624 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 510 transitions. [2021-11-23 00:51:03,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:51:03,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:03,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:08,090 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 00:51:26,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:26,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 176 states and 528 transitions. [2021-11-23 00:51:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 528 transitions. [2021-11-23 00:51:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:51:26,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:26,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:28,827 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 00:51:59,130 WARN L227 SmtUtils]: Spent 16.18s on a formula simplification. DAG size of input: 279 DAG size of output: 277 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:53:19,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:19,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 198 states and 598 transitions. [2021-11-23 00:53:19,064 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 598 transitions. [2021-11-23 00:53:19,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:53:19,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:19,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:19,241 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 00:53:33,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:33,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 206 states and 626 transitions. [2021-11-23 00:53:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 626 transitions. [2021-11-23 00:53:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:53:33,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:33,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:33,842 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 00:53:37,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:37,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 207 states and 631 transitions. [2021-11-23 00:53:37,691 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 631 transitions. [2021-11-23 00:53:37,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:53:37,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:37,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:37,858 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 00:53:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:59,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 216 states and 674 transitions. [2021-11-23 00:53:59,614 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 674 transitions. [2021-11-23 00:53:59,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:53:59,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:59,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:04,756 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 00:54:25,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:25,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 224 states and 712 transitions. [2021-11-23 00:54:25,489 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 712 transitions. [2021-11-23 00:54:25,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:54:25,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:25,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:25,656 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 00:54:32,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:32,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 226 states and 717 transitions. [2021-11-23 00:54:32,090 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 717 transitions. [2021-11-23 00:54:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:54:32,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:32,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:36,351 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 00:54:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 229 states and 728 transitions. [2021-11-23 00:54:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 728 transitions. [2021-11-23 00:54:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:54:54,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:54,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:58,607 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 00:55:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 230 states and 731 transitions. [2021-11-23 00:55:02,248 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 731 transitions. [2021-11-23 00:55:02,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:55:02,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:02,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:02,413 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 00:55:05,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 231 states and 732 transitions. [2021-11-23 00:55:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 732 transitions. [2021-11-23 00:55:05,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:55:05,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:05,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:05,731 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 00:55:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:09,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 233 states and 742 transitions. [2021-11-23 00:55:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 742 transitions. [2021-11-23 00:55:09,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:55:09,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:09,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:14,465 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 00:55:17,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:17,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 234 states and 748 transitions. [2021-11-23 00:55:17,759 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 748 transitions. [2021-11-23 00:55:17,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:55:17,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:17,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:22,425 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 00:55:43,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 240 states and 776 transitions. [2021-11-23 00:55:43,396 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 776 transitions. [2021-11-23 00:55:43,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:55:43,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:43,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:43,524 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 00:55:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 241 states and 776 transitions. [2021-11-23 00:55:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 776 transitions. [2021-11-23 00:55:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:55:46,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:46,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:50,389 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 00:56:05,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:05,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 244 states and 787 transitions. [2021-11-23 00:56:05,295 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 787 transitions. [2021-11-23 00:56:05,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:56:05,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:05,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:59,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:59,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 260 states and 894 transitions. [2021-11-23 00:56:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 894 transitions. [2021-11-23 00:56:59,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:56:59,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:59,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:17,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:17,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 269 states and 933 transitions. [2021-11-23 00:57:17,983 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 933 transitions. [2021-11-23 00:57:17,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:57:17,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:17,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:18,100 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 271 states and 950 transitions. [2021-11-23 00:57:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 950 transitions. [2021-11-23 00:57:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:57:20,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:20,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:20,882 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:29,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:29,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 275 states and 966 transitions. [2021-11-23 00:57:29,170 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 966 transitions. [2021-11-23 00:57:29,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:57:29,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:29,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:36,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 279 states and 983 transitions. [2021-11-23 00:57:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 983 transitions. [2021-11-23 00:57:36,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:57:36,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:36,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:36,405 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:38,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 280 states and 983 transitions. [2021-11-23 00:57:38,897 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 983 transitions. [2021-11-23 00:57:38,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:57:38,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:38,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 283 states and 987 transitions. [2021-11-23 00:57:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 987 transitions. [2021-11-23 00:57:45,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:57:45,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:45,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:50,838 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 297 states and 1040 transitions. [2021-11-23 00:58:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1040 transitions. [2021-11-23 00:58:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:58:24,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:24,972 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 20 proven. 42 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:58:33,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:33,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 302 states and 1061 transitions. [2021-11-23 00:58:33,438 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 1061 transitions. [2021-11-23 00:58:33,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:58:33,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:33,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:33,591 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 312 states and 1092 transitions. [2021-11-23 00:59:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1092 transitions. [2021-11-23 00:59:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:59:05,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:05,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:05,357 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:08,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 312 states and 1091 transitions. [2021-11-23 00:59:08,953 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1091 transitions. [2021-11-23 00:59:08,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:59:08,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:08,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:09,168 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 20 proven. 42 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:59:14,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:14,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 316 states and 1106 transitions. [2021-11-23 00:59:14,955 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1106 transitions. [2021-11-23 00:59:14,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:59:14,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:14,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 318 states and 1116 transitions. [2021-11-23 00:59:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1116 transitions. [2021-11-23 00:59:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:59:17,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:17,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:25,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 323 states and 1134 transitions. [2021-11-23 00:59:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1134 transitions. [2021-11-23 00:59:25,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:59:25,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:25,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:28,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 324 states and 1145 transitions. [2021-11-23 00:59:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1145 transitions. [2021-11-23 00:59:28,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:59:28,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:28,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 20 proven. 42 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:59:30,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 325 states and 1168 transitions. [2021-11-23 00:59:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 1168 transitions. [2021-11-23 00:59:30,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:59:30,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:30,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:30,630 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:33,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:33,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 327 states and 1178 transitions. [2021-11-23 00:59:33,112 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 1178 transitions. [2021-11-23 00:59:33,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:59:33,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:33,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.