./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label31.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_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/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_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/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_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/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 c8431dde37e9854279b4e3a795e7c3ed270f178706b78a2aa3d9d5c60aba5c2d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:59:36,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:59:36,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:59:36,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:59:36,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:59:36,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:59:36,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:59:36,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:59:36,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:59:36,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:59:36,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:59:36,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:59:36,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:59:36,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:59:36,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:59:36,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:59:36,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:59:36,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:59:36,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:59:36,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:59:36,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:59:36,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:59:36,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:59:36,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:59:36,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:59:36,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:59:36,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:59:36,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:59:36,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:59:36,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:59:36,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:59:36,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:59:36,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:59:36,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:59:36,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:59:36,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:59:36,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:59:36,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:59:36,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:59:36,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:59:36,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:59:36,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:59:36,896 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:59:36,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:59:36,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:59:36,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:59:36,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:59:36,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:59:36,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:59:36,901 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:59:36,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:59:36,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:59:36,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:59:36,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:59:36,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:59:36,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:59:36,904 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:59:36,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:59:36,904 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:59:36,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:59:36,904 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:59:36,905 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:59:36,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:59:36,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:36,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:59:36,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:59:36,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:59:36,906 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:59:36,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:59:36,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:59:36,907 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_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8431dde37e9854279b4e3a795e7c3ed270f178706b78a2aa3d9d5c60aba5c2d [2021-11-23 00:59:37,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:59:37,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:59:37,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:59:37,249 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:59:37,250 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:59:37,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem14_label31.c [2021-11-23 00:59:37,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/bin/ukojak-LBtLqBUTdQ/data/5d3e2fcdf/ebaf8e10695c48f8a57af446868280d0/FLAG0de969fab [2021-11-23 00:59:38,006 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:59:38,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/sv-benchmarks/c/eca-rers2012/Problem14_label31.c [2021-11-23 00:59:38,037 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/bin/ukojak-LBtLqBUTdQ/data/5d3e2fcdf/ebaf8e10695c48f8a57af446868280d0/FLAG0de969fab [2021-11-23 00:59:38,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/bin/ukojak-LBtLqBUTdQ/data/5d3e2fcdf/ebaf8e10695c48f8a57af446868280d0 [2021-11-23 00:59:38,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:59:38,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:59:38,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:38,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:59:38,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:59:38,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef14ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38, skipping insertion in model container [2021-11-23 00:59:38,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:59:38,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:59:38,581 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_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/sv-benchmarks/c/eca-rers2012/Problem14_label31.c[2583,2596] [2021-11-23 00:59:38,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:38,883 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:59:38,915 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_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/sv-benchmarks/c/eca-rers2012/Problem14_label31.c[2583,2596] [2021-11-23 00:59:39,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:39,043 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:59:39,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:39 WrapperNode [2021-11-23 00:59:39,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:39,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:39,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:59:39,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:59:39,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:39" (1/1) ... [2021-11-23 00:59:39,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:39" (1/1) ... [2021-11-23 00:59:39,178 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2021-11-23 00:59:39,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:39,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:59:39,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:59:39,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:59:39,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:39" (1/1) ... [2021-11-23 00:59:39,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:39" (1/1) ... [2021-11-23 00:59:39,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:39" (1/1) ... [2021-11-23 00:59:39,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:39" (1/1) ... [2021-11-23 00:59:39,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:39" (1/1) ... [2021-11-23 00:59:39,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:39" (1/1) ... [2021-11-23 00:59:39,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:39" (1/1) ... [2021-11-23 00:59:39,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:59:39,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:59:39,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:59:39,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:59:39,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:39" (1/1) ... [2021-11-23 00:59:39,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:39,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:59:39,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:59:39,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c7b8bf-1f3b-424b-bbdd-dc0c53b5a366/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:59:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:59:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:59:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:59:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:59:39,491 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:59:39,493 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:59:40,784 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:59:43,971 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:59:43,971 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:59:43,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:43 BoogieIcfgContainer [2021-11-23 00:59:43,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:59:43,975 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:59:43,975 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:59:43,985 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:59:43,986 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:43" (1/1) ... [2021-11-23 00:59:43,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 00:59:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 00:59:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:59:44,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:44,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:44,330 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 00:59:44,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:44,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 00:59:44,428 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 00:59:44,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:59:44,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:44,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:45,089 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 00:59:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2021-11-23 00:59:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2021-11-23 00:59:45,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:45,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:45,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:46,360 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 00:59:47,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2021-11-23 00:59:47,199 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2021-11-23 00:59:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:59:47,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:47,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:49,301 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 00:59:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:50,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2021-11-23 00:59:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2021-11-23 00:59:50,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:59:50,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:50,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:52,199 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 00:59:52,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:52,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2021-11-23 00:59:52,680 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2021-11-23 00:59:52,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:59:52,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:52,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:56,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2021-11-23 00:59:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2021-11-23 00:59:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:59:56,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:56,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:58,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 52 states and 96 transitions. [2021-11-23 00:59:58,456 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2021-11-23 00:59:58,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:59:58,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:58,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:59,709 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:00,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 99 transitions. [2021-11-23 01:00:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 99 transitions. [2021-11-23 01:00:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:00:00,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:00,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:06,770 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:11,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:11,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 135 transitions. [2021-11-23 01:00:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 135 transitions. [2021-11-23 01:00:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:00:11,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:11,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:16,429 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:19,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 72 states and 158 transitions. [2021-11-23 01:00:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 158 transitions. [2021-11-23 01:00:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:00:19,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:19,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:24,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:24,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 74 states and 162 transitions. [2021-11-23 01:00:24,873 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 162 transitions. [2021-11-23 01:00:24,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:00:24,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:24,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:13,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 82 states and 191 transitions. [2021-11-23 01:01:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 191 transitions. [2021-11-23 01:01:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:01:13,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:13,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:53,620 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:54,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 84 states and 197 transitions. [2021-11-23 01:01:54,810 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 197 transitions. [2021-11-23 01:01:54,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:01:54,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:54,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 99 states and 243 transitions. [2021-11-23 01:02:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 243 transitions. [2021-11-23 01:02:24,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:02:24,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:24,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:50,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:50,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 110 states and 266 transitions. [2021-11-23 01:02:50,802 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 266 transitions. [2021-11-23 01:02:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:02:50,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:50,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:15,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 114 states and 282 transitions. [2021-11-23 01:03:15,590 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 282 transitions. [2021-11-23 01:03:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:03:15,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:15,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:39,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:39,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 117 states and 286 transitions. [2021-11-23 01:03:39,083 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 286 transitions. [2021-11-23 01:03:39,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:03:39,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:39,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat