./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_security.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_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/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_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/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_c7a6ebf6-9dfc-451b-915f-ad07a3521686/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 c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:47:22,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:47:22,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:47:22,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:47:22,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:47:22,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:47:22,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:47:22,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:47:22,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:47:22,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:47:22,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:47:22,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:47:22,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:47:22,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:47:22,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:47:22,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:47:22,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:47:22,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:47:22,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:47:22,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:47:22,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:47:22,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:47:22,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:47:22,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:47:22,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:47:22,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:47:22,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:47:22,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:47:22,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:47:22,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:47:22,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:47:22,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:47:22,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:47:22,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:47:22,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:47:22,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:47:22,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:47:22,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:47:22,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:47:22,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:47:22,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:47:22,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:47:22,935 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:47:22,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:47:22,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:47:22,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:47:22,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:47:22,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:47:22,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:47:22,939 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:47:22,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:47:22,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:47:22,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:47:22,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:47:22,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:47:22,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:47:22,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:47:22,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:47:22,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:47:22,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:47:22,949 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:47:22,949 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:47:22,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:47:22,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:22,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:47:22,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:47:22,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:47:22,950 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:47:22,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:47:22,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:47:22,951 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_c7a6ebf6-9dfc-451b-915f-ad07a3521686/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8 [2021-11-23 01:47:23,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:47:23,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:47:23,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:47:23,233 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:47:23,234 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:47:23,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/psyco/psyco_security.c [2021-11-23 01:47:23,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/data/22694a602/46e7a6147be94ec2afc310eedc30e4c3/FLAG74c600ee4 [2021-11-23 01:47:23,749 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:47:23,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/sv-benchmarks/c/psyco/psyco_security.c [2021-11-23 01:47:23,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/data/22694a602/46e7a6147be94ec2afc310eedc30e4c3/FLAG74c600ee4 [2021-11-23 01:47:24,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/data/22694a602/46e7a6147be94ec2afc310eedc30e4c3 [2021-11-23 01:47:24,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:47:24,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:47:24,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:24,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:47:24,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:47:24,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c06c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24, skipping insertion in model container [2021-11-23 01:47:24,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:47:24,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:47:24,400 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_c7a6ebf6-9dfc-451b-915f-ad07a3521686/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2021-11-23 01:47:24,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:24,414 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:47:24,447 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_c7a6ebf6-9dfc-451b-915f-ad07a3521686/sv-benchmarks/c/psyco/psyco_security.c[12744,12757] [2021-11-23 01:47:24,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:24,462 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:47:24,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24 WrapperNode [2021-11-23 01:47:24,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:24,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:24,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:47:24,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:47:24,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,529 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 269 [2021-11-23 01:47:24,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:24,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:47:24,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:47:24,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:47:24,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:47:24,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:47:24,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:47:24,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:47:24,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:24" (1/1) ... [2021-11-23 01:47:24,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:24,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:47:24,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:47:24,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:47:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:47:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:47:24,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:47:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:47:24,787 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:47:24,789 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:47:25,163 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:47:25,179 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:47:25,179 INFO L301 CfgBuilder]: Removed 18 assume(true) statements. [2021-11-23 01:47:25,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:25 BoogieIcfgContainer [2021-11-23 01:47:25,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:47:25,183 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:47:25,183 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:47:25,192 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:47:25,194 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:25" (1/1) ... [2021-11-23 01:47:25,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:47:25,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2021-11-23 01:47:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2021-11-23 01:47:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:47:25,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:25,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:25,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:25,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2021-11-23 01:47:25,420 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2021-11-23 01:47:25,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:47:25,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:25,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:25,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2021-11-23 01:47:25,573 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2021-11-23 01:47:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:47:25,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:25,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:25,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:25,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 79 states and 129 transitions. [2021-11-23 01:47:25,649 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 129 transitions. [2021-11-23 01:47:25,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:47:25,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:25,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 82 states and 141 transitions. [2021-11-23 01:47:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2021-11-23 01:47:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:47:25,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:25,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:26,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2021-11-23 01:47:26,043 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2021-11-23 01:47:26,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:47:26,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:26,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 92 states and 160 transitions. [2021-11-23 01:47:26,125 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2021-11-23 01:47:26,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:47:26,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:26,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:26,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 172 transitions. [2021-11-23 01:47:26,305 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2021-11-23 01:47:26,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:47:26,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:26,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:26,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 103 states and 177 transitions. [2021-11-23 01:47:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 177 transitions. [2021-11-23 01:47:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:47:26,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:26,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:26,447 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 106 states and 191 transitions. [2021-11-23 01:47:26,560 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 191 transitions. [2021-11-23 01:47:26,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:47:26,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:26,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:26,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 109 states and 205 transitions. [2021-11-23 01:47:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 205 transitions. [2021-11-23 01:47:26,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:47:26,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:26,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:26,853 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:27,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 112 states and 216 transitions. [2021-11-23 01:47:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 216 transitions. [2021-11-23 01:47:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:47:27,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:27,134 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:27,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 113 states and 217 transitions. [2021-11-23 01:47:27,204 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 217 transitions. [2021-11-23 01:47:27,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:47:27,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:27,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 114 states and 218 transitions. [2021-11-23 01:47:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 218 transitions. [2021-11-23 01:47:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:47:27,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:27,370 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:27,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 123 states and 238 transitions. [2021-11-23 01:47:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 238 transitions. [2021-11-23 01:47:27,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:47:27,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:47:27,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 126 states and 247 transitions. [2021-11-23 01:47:27,792 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 247 transitions. [2021-11-23 01:47:27,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:47:27,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 128 states and 249 transitions. [2021-11-23 01:47:27,993 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 249 transitions. [2021-11-23 01:47:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:47:27,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:27,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,061 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:28,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 131 states and 253 transitions. [2021-11-23 01:47:28,097 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 253 transitions. [2021-11-23 01:47:28,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:47:28,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,115 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:28,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 253 transitions. [2021-11-23 01:47:28,127 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 253 transitions. [2021-11-23 01:47:28,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:47:28,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,144 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:28,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 132 states and 249 transitions. [2021-11-23 01:47:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 249 transitions. [2021-11-23 01:47:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:47:28,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:28,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 141 states and 274 transitions. [2021-11-23 01:47:28,393 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 274 transitions. [2021-11-23 01:47:28,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:47:28,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:28,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 143 states and 275 transitions. [2021-11-23 01:47:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 275 transitions. [2021-11-23 01:47:28,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:47:28,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,555 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 147 states and 280 transitions. [2021-11-23 01:47:28,775 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 280 transitions. [2021-11-23 01:47:28,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:28,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:28,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 150 states and 283 transitions. [2021-11-23 01:47:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 283 transitions. [2021-11-23 01:47:28,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:28,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 152 states and 291 transitions. [2021-11-23 01:47:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 291 transitions. [2021-11-23 01:47:28,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:47:28,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 154 states and 293 transitions. [2021-11-23 01:47:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 293 transitions. [2021-11-23 01:47:28,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:47:28,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:28,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:29,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 160 states and 307 transitions. [2021-11-23 01:47:29,170 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 307 transitions. [2021-11-23 01:47:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:47:29,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:47:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 162 states and 316 transitions. [2021-11-23 01:47:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 316 transitions. [2021-11-23 01:47:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:47:29,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:47:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 162 states and 315 transitions. [2021-11-23 01:47:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 315 transitions. [2021-11-23 01:47:29,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:47:29,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:47:29,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 162 states and 314 transitions. [2021-11-23 01:47:29,341 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 314 transitions. [2021-11-23 01:47:29,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:47:29,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:47:29,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 162 states and 313 transitions. [2021-11-23 01:47:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 313 transitions. [2021-11-23 01:47:29,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:47:29,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:47:29,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 162 states and 312 transitions. [2021-11-23 01:47:29,533 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 312 transitions. [2021-11-23 01:47:29,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:47:29,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,552 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:47:29,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 162 states and 311 transitions. [2021-11-23 01:47:29,566 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 311 transitions. [2021-11-23 01:47:29,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:47:29,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,587 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 163 states and 310 transitions. [2021-11-23 01:47:29,726 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 310 transitions. [2021-11-23 01:47:29,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:47:29,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 163 states and 309 transitions. [2021-11-23 01:47:29,767 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 309 transitions. [2021-11-23 01:47:29,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:47:29,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,782 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:29,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 163 states and 308 transitions. [2021-11-23 01:47:29,878 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 308 transitions. [2021-11-23 01:47:29,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:47:29,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 163 states and 307 transitions. [2021-11-23 01:47:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 307 transitions. [2021-11-23 01:47:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:47:29,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:29,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:47:30,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 163 states and 304 transitions. [2021-11-23 01:47:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 304 transitions. [2021-11-23 01:47:30,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:47:30,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:47:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 163 states and 303 transitions. [2021-11-23 01:47:30,163 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2021-11-23 01:47:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:47:30,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,179 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 165 states and 303 transitions. [2021-11-23 01:47:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 303 transitions. [2021-11-23 01:47:30,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:47:30,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:30,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 165 states and 302 transitions. [2021-11-23 01:47:30,521 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 302 transitions. [2021-11-23 01:47:30,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:47:30,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 165 states and 301 transitions. [2021-11-23 01:47:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2021-11-23 01:47:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:47:30,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:47:30,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 165 states and 298 transitions. [2021-11-23 01:47:30,630 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 298 transitions. [2021-11-23 01:47:30,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:47:30,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:47:31,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 170 states and 306 transitions. [2021-11-23 01:47:31,230 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 306 transitions. [2021-11-23 01:47:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:47:31,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:31,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 170 states and 305 transitions. [2021-11-23 01:47:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 305 transitions. [2021-11-23 01:47:31,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:47:31,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:31,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 170 states and 302 transitions. [2021-11-23 01:47:31,477 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 302 transitions. [2021-11-23 01:47:31,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:47:31,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:31,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 170 states and 299 transitions. [2021-11-23 01:47:31,520 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 299 transitions. [2021-11-23 01:47:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:47:31,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:31,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:47:31,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:31,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2021-11-23 01:47:31,560 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2021-11-23 01:47:31,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:47:31,561 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 48 iterations. [2021-11-23 01:47:31,569 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:47:31,712 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 01:47:31,721 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2021-11-23 01:47:31,722 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:47:31,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:47:31 ImpRootNode [2021-11-23 01:47:31,723 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:47:31,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:47:31,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:47:31,724 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:47:31,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:25" (3/4) ... [2021-11-23 01:47:31,727 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:47:31,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 01:47:31,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:47:31,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 01:47:31,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:47:31,768 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:47:31,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:47:31,769 INFO L158 Benchmark]: Toolchain (without parser) took 7623.05ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 60.7MB in the beginning and 43.1MB in the end (delta: 17.6MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2021-11-23 01:47:31,770 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 77.6MB in the beginning and 77.6MB in the end (delta: 47.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:47:31,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.48ms. Allocated memory is still 98.6MB. Free memory was 60.5MB in the beginning and 73.7MB in the end (delta: -13.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:47:31,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.29ms. Allocated memory is still 98.6MB. Free memory was 73.7MB in the beginning and 71.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:47:31,771 INFO L158 Benchmark]: Boogie Preprocessor took 71.88ms. Allocated memory is still 98.6MB. Free memory was 71.5MB in the beginning and 70.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:47:31,772 INFO L158 Benchmark]: RCFGBuilder took 574.84ms. Allocated memory is still 98.6MB. Free memory was 70.1MB in the beginning and 54.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:47:31,772 INFO L158 Benchmark]: CodeCheck took 6540.16ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 54.5MB in the beginning and 45.2MB in the end (delta: 9.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2021-11-23 01:47:31,773 INFO L158 Benchmark]: Witness Printer took 44.67ms. Allocated memory is still 119.5MB. Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:47:31,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16687 SdHoareTripleChecker+Valid, 15.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9861 mSDsluCounter, 23788 SdHoareTripleChecker+Invalid, 13.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16665 mSDsCounter, 4205 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11402 IncrementalHoareTripleChecker+Invalid, 15607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4205 mSolverCounterUnsat, 7123 mSDtfsCounter, 11402 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14179 GetRequests, 13919 SyntacticMatches, 126 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12417 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1352 NumberOfCodeBlocks, 1352 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 1305 ConstructedInterpolants, 0 QuantifiedInterpolants, 2581 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 46 PerfectInterpolantSequences, 588/590 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 391]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: q == 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((2 == q && this_state == 0) || q == 0) || (this_state == 3 && q == 4)) || (3 == q && this_state == 2) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 77.6MB in the beginning and 77.6MB in the end (delta: 47.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.48ms. Allocated memory is still 98.6MB. Free memory was 60.5MB in the beginning and 73.7MB in the end (delta: -13.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.29ms. Allocated memory is still 98.6MB. Free memory was 73.7MB in the beginning and 71.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.88ms. Allocated memory is still 98.6MB. Free memory was 71.5MB in the beginning and 70.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.84ms. Allocated memory is still 98.6MB. Free memory was 70.1MB in the beginning and 54.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 6540.16ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 54.5MB in the beginning and 45.2MB in the end (delta: 9.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Witness Printer took 44.67ms. Allocated memory is still 119.5MB. Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:47:31,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a6ebf6-9dfc-451b-915f-ad07a3521686/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE