./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label28.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_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/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_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/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_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/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 7b94c1efc33cffedcd14788d17eed9a10942455a0788d1c0fa45d24d552dd890 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:12,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:12,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:12,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:12,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:12,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:12,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:12,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:12,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:12,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:12,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:12,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:12,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:12,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:12,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:12,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:12,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:12,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:12,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:13,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:13,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:13,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:13,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:13,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:13,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:13,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:13,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:13,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:13,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:13,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:13,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:13,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:13,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:13,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:13,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:13,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:13,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:13,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:13,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:13,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:13,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:13,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:28:13,090 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:13,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:13,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:28:13,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:28:13,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:13,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:13,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:13,093 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:13,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:28:13,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:13,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:13,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:28:13,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:13,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:28:13,103 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:13,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:28:13,103 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:13,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:28:13,103 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:13,104 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:13,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:13,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:13,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:13,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:13,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:28:13,105 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:28:13,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:28:13,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:28:13,106 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_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b94c1efc33cffedcd14788d17eed9a10942455a0788d1c0fa45d24d552dd890 [2021-11-23 00:28:13,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:13,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:13,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:13,433 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:13,434 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:13,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem07_label28.c [2021-11-23 00:28:13,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/bin/ukojak-LBtLqBUTdQ/data/795b0555a/9529c7a96a91439bb8c0a5ba3d1e38ea/FLAG281205098 [2021-11-23 00:28:16,378 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:16,380 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/sv-benchmarks/c/eca-rers2012/Problem07_label28.c [2021-11-23 00:28:16,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/bin/ukojak-LBtLqBUTdQ/data/795b0555a/9529c7a96a91439bb8c0a5ba3d1e38ea/FLAG281205098 [2021-11-23 00:28:16,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/bin/ukojak-LBtLqBUTdQ/data/795b0555a/9529c7a96a91439bb8c0a5ba3d1e38ea [2021-11-23 00:28:16,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:16,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:16,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:16,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:16,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:16,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:16" (1/1) ... [2021-11-23 00:28:16,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49934ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:16, skipping insertion in model container [2021-11-23 00:28:16,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:16" (1/1) ... [2021-11-23 00:28:16,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:17,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:30,003 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_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/sv-benchmarks/c/eca-rers2012/Problem07_label28.c[2773758,2773771] [2021-11-23 00:28:30,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:30,073 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:37,216 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_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/sv-benchmarks/c/eca-rers2012/Problem07_label28.c[2773758,2773771] [2021-11-23 00:28:37,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:38,320 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:38,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:38 WrapperNode [2021-11-23 00:28:38,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:38,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:38,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:38,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:38,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:38" (1/1) ... [2021-11-23 00:28:39,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:38" (1/1) ... [2021-11-23 00:28:42,296 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83773 [2021-11-23 00:28:42,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:42,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:42,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:42,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:42,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:38" (1/1) ... [2021-11-23 00:28:42,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:38" (1/1) ... [2021-11-23 00:28:42,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:38" (1/1) ... [2021-11-23 00:28:42,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:38" (1/1) ... [2021-11-23 00:28:44,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:38" (1/1) ... [2021-11-23 00:28:44,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:38" (1/1) ... [2021-11-23 00:28:45,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:38" (1/1) ... [2021-11-23 00:28:45,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:45,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:45,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:45,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:45,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:38" (1/1) ... [2021-11-23 00:28:45,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:45,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:45,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:45,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43cf486b-5b7b-4b00-8407-e1ea7d20a3d2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:28:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:28:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:46,010 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:46,011 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:29:23,032 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:29:24,303 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:29:24,304 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:29:24,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:24 BoogieIcfgContainer [2021-11-23 00:29:24,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:29:24,319 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:29:24,319 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:29:24,330 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:29:24,331 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:24" (1/1) ... [2021-11-23 00:29:24,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:29:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:24,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2021-11-23 00:29:24,684 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2021-11-23 00:29:25,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2021-11-23 00:29:25,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:25,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:55,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:36,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:36,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31170 states to 20218 states and 31170 transitions. [2021-11-23 00:30:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 31170 transitions. [2021-11-23 00:30:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2021-11-23 00:30:37,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:37,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.