./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label02.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_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/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_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/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_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/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 30f62f9fddfecd916215dd8f1b75b140359bb989ba38a829add2eea4e4b271dc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:17:13,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:17:13,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:17:13,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:17:13,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:17:13,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:17:13,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:17:13,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:17:13,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:17:13,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:17:13,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:17:13,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:17:13,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:17:13,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:17:13,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:17:13,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:17:13,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:17:13,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:17:13,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:17:13,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:17:13,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:17:13,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:17:13,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:17:13,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:17:13,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:17:13,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:17:13,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:17:13,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:17:13,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:17:13,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:17:13,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:17:13,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:17:13,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:17:13,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:17:13,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:17:13,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:17:13,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:17:13,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:17:13,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:17:13,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:17:13,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:17:13,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:17:13,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:17:13,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:17:13,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:17:13,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:17:13,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:17:13,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:17:13,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:17:13,753 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:17:13,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:17:13,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:17:13,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:17:13,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:17:13,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:17:13,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:17:13,756 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:17:13,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:17:13,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:17:13,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:17:13,757 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:17:13,757 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:17:13,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:17:13,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:13,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:17:13,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:17:13,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:17:13,769 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:17:13,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:17:13,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:17:13,770 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_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30f62f9fddfecd916215dd8f1b75b140359bb989ba38a829add2eea4e4b271dc [2021-11-22 23:17:14,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:17:14,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:17:14,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:17:14,094 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:17:14,095 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:17:14,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem11_label02.c [2021-11-22 23:17:14,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/bin/ukojak-LBtLqBUTdQ/data/0edd2f6d1/d5523902ed974511ad4a22d955f51325/FLAG2bd0f96a8 [2021-11-22 23:17:14,939 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:17:14,940 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/sv-benchmarks/c/eca-rers2012/Problem11_label02.c [2021-11-22 23:17:14,967 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/bin/ukojak-LBtLqBUTdQ/data/0edd2f6d1/d5523902ed974511ad4a22d955f51325/FLAG2bd0f96a8 [2021-11-22 23:17:15,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/bin/ukojak-LBtLqBUTdQ/data/0edd2f6d1/d5523902ed974511ad4a22d955f51325 [2021-11-22 23:17:15,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:17:15,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:17:15,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:15,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:17:15,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:17:15,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:15" (1/1) ... [2021-11-22 23:17:15,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c889f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:15, skipping insertion in model container [2021-11-22 23:17:15,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:15" (1/1) ... [2021-11-22 23:17:15,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:17:15,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:17:15,634 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_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/sv-benchmarks/c/eca-rers2012/Problem11_label02.c[7865,7878] [2021-11-22 23:17:15,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:16,005 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:17:16,044 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_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/sv-benchmarks/c/eca-rers2012/Problem11_label02.c[7865,7878] [2021-11-22 23:17:16,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:16,331 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:17:16,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:16 WrapperNode [2021-11-22 23:17:16,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:16,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:16,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:17:16,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:17:16,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:16" (1/1) ... [2021-11-22 23:17:16,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:16" (1/1) ... [2021-11-22 23:17:16,578 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-11-22 23:17:16,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:16,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:17:16,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:17:16,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:17:16,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:16" (1/1) ... [2021-11-22 23:17:16,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:16" (1/1) ... [2021-11-22 23:17:16,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:16" (1/1) ... [2021-11-22 23:17:16,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:16" (1/1) ... [2021-11-22 23:17:16,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:16" (1/1) ... [2021-11-22 23:17:16,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:16" (1/1) ... [2021-11-22 23:17:16,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:16" (1/1) ... [2021-11-22 23:17:16,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:17:16,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:17:16,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:17:16,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:17:16,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:16" (1/1) ... [2021-11-22 23:17:16,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:16,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:17:16,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:17:16,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7950988-6c7d-4ce3-a9ec-63d54c5103c1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:17:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:17:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:17:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:17:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:17:16,929 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:17:16,932 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:17:19,066 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:17:24,976 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:17:24,976 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:17:24,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:24 BoogieIcfgContainer [2021-11-22 23:17:24,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:17:24,981 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:17:24,981 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:17:24,995 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:17:24,996 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:25,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:17:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-22 23:17:25,107 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-22 23:17:25,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:17:25,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-22 23:17:25,580 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-22 23:17:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:17:25,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-22 23:17:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-22 23:17:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:27,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,881 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:30,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2021-11-22 23:17:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2021-11-22 23:17:30,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:30,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,983 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:33,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2021-11-22 23:17:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2021-11-22 23:17:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:17:33,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,206 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:44,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 44 states and 95 transitions. [2021-11-22 23:17:44,173 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 95 transitions. [2021-11-22 23:17:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:17:44,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,192 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:50,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 50 states and 111 transitions. [2021-11-22 23:17:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 111 transitions. [2021-11-22 23:17:50,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:17:50,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:54,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 53 states and 119 transitions. [2021-11-22 23:17:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 119 transitions. [2021-11-22 23:17:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:17:54,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:54,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 65 states and 177 transitions. [2021-11-22 23:18:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 177 transitions. [2021-11-22 23:18:06,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:18:06,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 75 states and 210 transitions. [2021-11-22 23:18:14,414 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 210 transitions. [2021-11-22 23:18:14,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:18:14,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,183 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:18,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 78 states and 213 transitions. [2021-11-22 23:18:18,669 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 213 transitions. [2021-11-22 23:18:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:18:18,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:23,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 81 states and 221 transitions. [2021-11-22 23:18:23,385 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 221 transitions. [2021-11-22 23:18:23,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:18:23,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:23,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 84 states and 228 transitions. [2021-11-22 23:18:27,817 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 228 transitions. [2021-11-22 23:18:27,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:18:27,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:27,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 87 states and 236 transitions. [2021-11-22 23:18:31,485 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 236 transitions. [2021-11-22 23:18:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:18:31,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:38,899 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 97 states and 295 transitions. [2021-11-22 23:18:47,727 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 295 transitions. [2021-11-22 23:18:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:18:47,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:58,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 108 states and 326 transitions. [2021-11-22 23:18:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 326 transitions. [2021-11-22 23:18:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:18:58,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:05,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 112 states and 340 transitions. [2021-11-22 23:19:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 340 transitions. [2021-11-22 23:19:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:19:05,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:21,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 23:19:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:23,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 119 states and 365 transitions. [2021-11-22 23:19:23,117 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 365 transitions. [2021-11-22 23:19:23,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:19:23,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:23,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:28,586 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 122 states and 372 transitions. [2021-11-22 23:19:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 372 transitions. [2021-11-22 23:19:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:19:29,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:35,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 123 states and 373 transitions. [2021-11-22 23:19:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 373 transitions. [2021-11-22 23:19:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:19:35,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:35,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:41,112 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:41,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:41,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 125 states and 377 transitions. [2021-11-22 23:19:41,632 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 377 transitions. [2021-11-22 23:19:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:19:41,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:41,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 127 states and 396 transitions. [2021-11-22 23:19:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 396 transitions. [2021-11-22 23:19:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:19:50,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:57,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:57,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 130 states and 403 transitions. [2021-11-22 23:19:57,283 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 403 transitions. [2021-11-22 23:19:57,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:19:57,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:57,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:05,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 134 states and 424 transitions. [2021-11-22 23:20:05,850 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 424 transitions. [2021-11-22 23:20:05,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:20:05,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:05,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:12,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:12,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 137 states and 434 transitions. [2021-11-22 23:20:12,577 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 434 transitions. [2021-11-22 23:20:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:20:12,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:12,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:30,038 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:41,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:41,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 146 states and 472 transitions. [2021-11-22 23:20:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 472 transitions. [2021-11-22 23:20:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:20:41,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:41,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:54,855 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:57,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 23:21:06,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:06,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 157 states and 515 transitions. [2021-11-22 23:21:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 515 transitions. [2021-11-22 23:21:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:21:06,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:06,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:32,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 23:21:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 164 states and 548 transitions. [2021-11-22 23:21:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 548 transitions. [2021-11-22 23:21:35,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:21:35,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:47,808 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 167 states and 559 transitions. [2021-11-22 23:21:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 559 transitions. [2021-11-22 23:21:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:21:51,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:51,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:08,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:08,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 170 states and 581 transitions. [2021-11-22 23:22:08,033 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 581 transitions. [2021-11-22 23:22:08,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:22:08,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:08,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:21,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:21,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 171 states and 581 transitions. [2021-11-22 23:22:21,203 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 581 transitions. [2021-11-22 23:22:21,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:22:21,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:21,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:36,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:36,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 174 states and 588 transitions. [2021-11-22 23:22:36,166 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 588 transitions. [2021-11-22 23:22:36,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:22:36,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:36,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:48,341 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:50,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 176 states and 594 transitions. [2021-11-22 23:22:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 594 transitions. [2021-11-22 23:22:50,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:22:50,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:50,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:02,186 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:03,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 178 states and 596 transitions. [2021-11-22 23:23:03,102 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 596 transitions. [2021-11-22 23:23:03,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:23:03,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:03,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:16,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 180 states and 599 transitions. [2021-11-22 23:23:16,816 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 599 transitions. [2021-11-22 23:23:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:23:16,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:16,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:40,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 23:23:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 186 states and 609 transitions. [2021-11-22 23:23:43,114 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 609 transitions. [2021-11-22 23:23:43,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:43,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:43,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:15,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 206 states and 691 transitions. [2021-11-22 23:26:15,178 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 691 transitions. [2021-11-22 23:26:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:26:15,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:15,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:07,149 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 217 states and 736 transitions. [2021-11-22 23:28:20,710 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 736 transitions. [2021-11-22 23:28:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:28:20,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:20,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat