./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/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_1002bc72-d53d-4ecb-88da-13203f064609/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/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_1002bc72-d53d-4ecb-88da-13203f064609/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 252cd4a0f8e1adbe16c63dba2a525d461eb83ddbfd931d93e6b7ef83b52daaf7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:14:02,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:14:02,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:14:02,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:14:02,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:14:02,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:14:02,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:14:02,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:14:02,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:14:02,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:14:02,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:14:02,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:14:02,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:14:02,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:14:02,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:14:02,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:14:02,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:14:02,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:14:02,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:14:02,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:14:02,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:14:02,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:14:02,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:14:02,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:14:02,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:14:02,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:14:02,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:14:02,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:14:02,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:14:02,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:14:02,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:14:02,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:14:02,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:14:02,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:14:02,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:14:02,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:14:02,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:14:02,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:14:03,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:14:03,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:14:03,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:14:03,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:14:03,032 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:14:03,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:14:03,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:14:03,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:14:03,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:14:03,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:14:03,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:14:03,035 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:14:03,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:14:03,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:14:03,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:14:03,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:14:03,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:14:03,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:14:03,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:14:03,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:14:03,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:14:03,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:14:03,038 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:14:03,038 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:14:03,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:14:03,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:14:03,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:14:03,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:14:03,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:14:03,040 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:14:03,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:14:03,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:14:03,040 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_1002bc72-d53d-4ecb-88da-13203f064609/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 252cd4a0f8e1adbe16c63dba2a525d461eb83ddbfd931d93e6b7ef83b52daaf7 [2021-11-23 01:14:03,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:14:03,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:14:03,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:14:03,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:14:03,341 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:14:03,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2021-11-23 01:14:03,429 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/bin/ukojak-LBtLqBUTdQ/data/bb6263143/c7fa66890f9547dfa388a81576c5b0fa/FLAG5bbfddc54 [2021-11-23 01:14:04,001 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:14:04,001 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2021-11-23 01:14:04,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/bin/ukojak-LBtLqBUTdQ/data/bb6263143/c7fa66890f9547dfa388a81576c5b0fa/FLAG5bbfddc54 [2021-11-23 01:14:04,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/bin/ukojak-LBtLqBUTdQ/data/bb6263143/c7fa66890f9547dfa388a81576c5b0fa [2021-11-23 01:14:04,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:14:04,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:14:04,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:14:04,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:14:04,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:14:04,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:04,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636be3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:04, skipping insertion in model container [2021-11-23 01:14:04,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:04,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:14:04,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:14:04,704 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_1002bc72-d53d-4ecb-88da-13203f064609/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c[20056,20069] [2021-11-23 01:14:04,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:14:04,719 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:14:04,815 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_1002bc72-d53d-4ecb-88da-13203f064609/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c[20056,20069] [2021-11-23 01:14:04,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:14:04,845 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:14:04,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:04 WrapperNode [2021-11-23 01:14:04,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:14:04,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:14:04,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:14:04,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:14:04,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:04,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:04,943 INFO L137 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 454 [2021-11-23 01:14:04,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:14:04,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:14:04,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:14:04,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:14:04,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:04,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:04,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:04,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:04,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:05,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:05,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:05,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:14:05,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:14:05,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:14:05,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:14:05,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:04" (1/1) ... [2021-11-23 01:14:05,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:14:05,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:14:05,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:14:05,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002bc72-d53d-4ecb-88da-13203f064609/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:14:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:14:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:14:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:14:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:14:05,252 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:14:05,254 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:14:05,979 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:14:06,611 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:14:06,611 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:14:06,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:14:06 BoogieIcfgContainer [2021-11-23 01:14:06,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:14:06,617 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:14:06,618 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:14:06,628 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:14:06,629 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:14:06" (1/1) ... [2021-11-23 01:14:06,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:14:06,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 01:14:06,736 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 01:14:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:14:06,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:06,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:07,467 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 01:14:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:14:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:14:07,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:14:07,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:07,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:07,913 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 01:14:08,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:08,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2021-11-23 01:14:08,300 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2021-11-23 01:14:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:14:08,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:08,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:08,574 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 01:14:09,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:09,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2021-11-23 01:14:09,063 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2021-11-23 01:14:09,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:14:09,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:09,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:09,245 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 01:14:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2021-11-23 01:14:09,504 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2021-11-23 01:14:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:14:09,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:09,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:16,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:16,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 59 transitions. [2021-11-23 01:14:16,591 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2021-11-23 01:14:16,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:14:16,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:16,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2021-11-23 01:14:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2021-11-23 01:14:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:14:26,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:26,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:27,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:33,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:33,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 99 transitions. [2021-11-23 01:14:33,499 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 99 transitions. [2021-11-23 01:14:33,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:14:33,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:33,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:42,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:42,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 65 states and 131 transitions. [2021-11-23 01:14:42,100 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 131 transitions. [2021-11-23 01:14:42,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:14:42,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:42,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:43,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:43,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 67 states and 135 transitions. [2021-11-23 01:14:43,029 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 135 transitions. [2021-11-23 01:14:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:14:43,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:43,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:43,928 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:47,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 75 states and 155 transitions. [2021-11-23 01:14:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 155 transitions. [2021-11-23 01:14:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:14:47,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:47,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:48,636 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:55,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:55,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 85 states and 180 transitions. [2021-11-23 01:14:55,015 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 180 transitions. [2021-11-23 01:14:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:14:55,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:55,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 87 states and 184 transitions. [2021-11-23 01:14:56,235 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 184 transitions. [2021-11-23 01:14:56,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:14:56,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:56,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 89 states and 186 transitions. [2021-11-23 01:14:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 186 transitions. [2021-11-23 01:14:57,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:14:57,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:57,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:17,986 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:20,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 114 states and 259 transitions. [2021-11-23 01:16:20,391 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 259 transitions. [2021-11-23 01:16:20,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:16:20,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:20,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:46,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:46,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 119 states and 277 transitions. [2021-11-23 01:16:46,432 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 277 transitions. [2021-11-23 01:16:46,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:16:46,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:46,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:12,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 144 states and 355 transitions. [2021-11-23 01:19:12,754 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 355 transitions. [2021-11-23 01:19:12,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:19:12,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:11,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 160 states and 403 transitions. [2021-11-23 01:20:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 403 transitions. [2021-11-23 01:20:11,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:20:11,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:11,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:46,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 166 states and 423 transitions. [2021-11-23 01:20:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 423 transitions. [2021-11-23 01:20:46,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:20:46,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:47,558 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:25,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:25,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 172 states and 445 transitions. [2021-11-23 01:21:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 445 transitions. [2021-11-23 01:21:25,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:21:25,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:25,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:47,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 180 states and 472 transitions. [2021-11-23 01:21:47,405 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 472 transitions. [2021-11-23 01:21:47,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:21:47,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:47,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:04,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 186 states and 491 transitions. [2021-11-23 01:22:04,518 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 491 transitions. [2021-11-23 01:22:04,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:22:04,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:04,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:23,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:23,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 194 states and 519 transitions. [2021-11-23 01:22:23,631 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 519 transitions. [2021-11-23 01:22:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:22:23,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:23,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:56,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 196 states and 531 transitions. [2021-11-23 01:22:56,523 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 531 transitions. [2021-11-23 01:22:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:22:56,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:56,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:27,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 199 states and 545 transitions. [2021-11-23 01:23:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 545 transitions. [2021-11-23 01:23:27,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:23:27,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:27,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:45,328 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:03,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:03,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 202 states and 558 transitions. [2021-11-23 01:24:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 558 transitions. [2021-11-23 01:24:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:03,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:03,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:04,457 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 203 states and 563 transitions. [2021-11-23 01:24:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 563 transitions. [2021-11-23 01:24:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:15,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:15,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:21,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 205 states and 568 transitions. [2021-11-23 01:24:21,325 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 568 transitions. [2021-11-23 01:24:21,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:24:21,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:21,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.