./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label57.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_40eecdb6-9cee-4b27-b44a-e095b5378c2a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/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_40eecdb6-9cee-4b27-b44a-e095b5378c2a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/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_40eecdb6-9cee-4b27-b44a-e095b5378c2a/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 ab973685a1b1efc862bdc104a7ab81fdba6d1304eec57508bfc6ec40b5ec7e50 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:48:25,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:48:25,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:48:25,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:48:25,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:48:25,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:48:25,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:48:25,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:48:25,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:48:25,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:48:25,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:48:25,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:48:25,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:48:25,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:48:25,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:48:25,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:48:25,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:48:25,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:48:25,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:48:25,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:48:25,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:48:25,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:48:25,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:48:25,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:48:25,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:48:25,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:48:25,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:48:25,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:48:25,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:48:25,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:48:25,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:48:25,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:48:25,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:48:25,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:48:25,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:48:25,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:48:25,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:48:25,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:48:25,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:48:25,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:48:25,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:48:25,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:48:25,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:48:25,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:48:25,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:48:25,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:48:25,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:48:25,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:48:25,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:48:25,215 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:48:25,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:48:25,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:48:25,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:48:25,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:48:25,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:48:25,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:48:25,217 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:48:25,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:48:25,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:48:25,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:48:25,218 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:48:25,218 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:48:25,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:48:25,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:48:25,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:48:25,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:48:25,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:48:25,220 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:48:25,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:48:25,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:48:25,221 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_40eecdb6-9cee-4b27-b44a-e095b5378c2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab973685a1b1efc862bdc104a7ab81fdba6d1304eec57508bfc6ec40b5ec7e50 [2021-11-23 00:48:25,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:48:25,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:48:25,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:48:25,507 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:48:25,508 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:48:25,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem11_label57.c [2021-11-23 00:48:25,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/bin/ukojak-LBtLqBUTdQ/data/a1fa3f186/307b6ad071f54eaf99016581216994ec/FLAGcde3c72e0 [2021-11-23 00:48:26,318 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:48:26,318 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/sv-benchmarks/c/eca-rers2012/Problem11_label57.c [2021-11-23 00:48:26,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/bin/ukojak-LBtLqBUTdQ/data/a1fa3f186/307b6ad071f54eaf99016581216994ec/FLAGcde3c72e0 [2021-11-23 00:48:26,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/bin/ukojak-LBtLqBUTdQ/data/a1fa3f186/307b6ad071f54eaf99016581216994ec [2021-11-23 00:48:26,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:48:26,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:48:26,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:48:26,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:48:26,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:48:26,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:48:26" (1/1) ... [2021-11-23 00:48:26,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485a7923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:26, skipping insertion in model container [2021-11-23 00:48:26,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:48:26" (1/1) ... [2021-11-23 00:48:26,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:48:26,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:48:26,916 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_40eecdb6-9cee-4b27-b44a-e095b5378c2a/sv-benchmarks/c/eca-rers2012/Problem11_label57.c[6683,6696] [2021-11-23 00:48:27,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:48:27,274 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:48:27,336 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_40eecdb6-9cee-4b27-b44a-e095b5378c2a/sv-benchmarks/c/eca-rers2012/Problem11_label57.c[6683,6696] [2021-11-23 00:48:27,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:48:27,510 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:48:27,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:27 WrapperNode [2021-11-23 00:48:27,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:48:27,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:48:27,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:48:27,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:48:27,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:27" (1/1) ... [2021-11-23 00:48:27,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:27" (1/1) ... [2021-11-23 00:48:27,714 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-11-23 00:48:27,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:48:27,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:48:27,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:48:27,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:48:27,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:27" (1/1) ... [2021-11-23 00:48:27,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:27" (1/1) ... [2021-11-23 00:48:27,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:27" (1/1) ... [2021-11-23 00:48:27,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:27" (1/1) ... [2021-11-23 00:48:27,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:27" (1/1) ... [2021-11-23 00:48:27,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:27" (1/1) ... [2021-11-23 00:48:27,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:27" (1/1) ... [2021-11-23 00:48:27,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:48:27,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:48:27,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:48:27,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:48:27,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:27" (1/1) ... [2021-11-23 00:48:27,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:48:27,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:48:27,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:48:27,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40eecdb6-9cee-4b27-b44a-e095b5378c2a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:48:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:48:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:48:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:48:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:48:28,096 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:48:28,098 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:48:29,882 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:48:34,686 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:48:34,686 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:48:34,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:34 BoogieIcfgContainer [2021-11-23 00:48:34,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:48:34,690 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:48:34,690 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:48:34,701 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:48:34,701 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:48:34,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:34,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 00:48:34,768 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 00:48:34,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:48:34,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:34,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:34,990 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 00:48:35,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 00:48:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 00:48:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:48:35,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:35,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:35,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:36,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:36,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-23 00:48:36,270 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-23 00:48:36,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:48:36,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:36,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-11-23 00:48:41,175 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-11-23 00:48:41,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:48:41,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:41,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:44,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2021-11-23 00:48:44,103 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2021-11-23 00:48:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:48:44,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:44,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:02,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:02,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 88 transitions. [2021-11-23 00:49:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2021-11-23 00:49:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:02,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:02,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:15,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 100 transitions. [2021-11-23 00:49:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 100 transitions. [2021-11-23 00:49:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:15,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:15,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:22,877 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:23,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 104 transitions. [2021-11-23 00:49:23,616 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2021-11-23 00:49:23,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:49:23,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:23,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat