./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label38.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_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/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_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/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_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/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 bc0ea3f151b54a5cacbfb2ac1bcf8641acb27c1a8c6a79c608c08e8094ba54fe --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:57:11,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:57:11,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:57:11,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:57:11,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:57:11,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:57:11,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:57:11,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:57:11,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:57:11,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:57:11,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:57:11,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:57:11,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:57:11,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:57:11,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:57:11,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:57:11,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:57:11,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:57:11,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:57:11,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:57:11,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:57:11,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:57:11,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:57:11,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:57:11,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:57:11,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:57:11,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:57:11,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:57:11,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:57:11,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:57:11,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:57:11,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:57:11,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:57:11,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:57:11,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:57:11,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:57:11,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:57:11,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:57:11,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:57:11,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:57:11,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:57:11,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:57:11,233 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:57:11,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:57:11,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:57:11,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:57:11,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:57:11,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:57:11,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:57:11,240 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:57:11,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:57:11,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:57:11,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:57:11,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:57:11,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:57:11,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:57:11,248 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:57:11,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:57:11,249 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:57:11,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:57:11,249 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:57:11,250 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:57:11,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:57:11,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:11,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:57:11,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:57:11,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:57:11,251 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:57:11,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:57:11,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:57:11,252 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_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc0ea3f151b54a5cacbfb2ac1bcf8641acb27c1a8c6a79c608c08e8094ba54fe [2021-11-23 00:57:11,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:57:11,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:57:11,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:57:11,575 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:57:11,576 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:57:11,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem14_label38.c [2021-11-23 00:57:11,670 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/data/efb363a2f/1f61f5a50f2a4805a48d6862ea1cae56/FLAG98837aa33 [2021-11-23 00:57:12,216 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:57:12,216 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/sv-benchmarks/c/eca-rers2012/Problem14_label38.c [2021-11-23 00:57:12,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/data/efb363a2f/1f61f5a50f2a4805a48d6862ea1cae56/FLAG98837aa33 [2021-11-23 00:57:12,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/data/efb363a2f/1f61f5a50f2a4805a48d6862ea1cae56 [2021-11-23 00:57:12,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:57:12,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:57:12,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:12,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:57:12,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:57:12,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:12" (1/1) ... [2021-11-23 00:57:12,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652e6641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:12, skipping insertion in model container [2021-11-23 00:57:12,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:12" (1/1) ... [2021-11-23 00:57:12,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:57:12,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:57:12,813 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_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/sv-benchmarks/c/eca-rers2012/Problem14_label38.c[5189,5202] [2021-11-23 00:57:13,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:13,081 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:57:13,113 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_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/sv-benchmarks/c/eca-rers2012/Problem14_label38.c[5189,5202] [2021-11-23 00:57:13,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:13,247 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:57:13,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:13 WrapperNode [2021-11-23 00:57:13,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:13,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:13,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:57:13,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:57:13,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:13" (1/1) ... [2021-11-23 00:57:13,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:13" (1/1) ... [2021-11-23 00:57:13,426 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2021-11-23 00:57:13,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:13,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:57:13,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:57:13,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:57:13,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:13" (1/1) ... [2021-11-23 00:57:13,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:13" (1/1) ... [2021-11-23 00:57:13,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:13" (1/1) ... [2021-11-23 00:57:13,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:13" (1/1) ... [2021-11-23 00:57:13,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:13" (1/1) ... [2021-11-23 00:57:13,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:13" (1/1) ... [2021-11-23 00:57:13,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:13" (1/1) ... [2021-11-23 00:57:13,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:57:13,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:57:13,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:57:13,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:57:13,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:13" (1/1) ... [2021-11-23 00:57:13,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:13,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:57:13,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:57:13,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:57:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:57:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:57:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:57:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:57:13,692 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:57:13,693 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:57:14,942 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:57:17,876 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:57:17,876 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:57:17,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:17 BoogieIcfgContainer [2021-11-23 00:57:17,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:57:17,880 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:57:17,880 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:57:17,890 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:57:17,890 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:17" (1/1) ... [2021-11-23 00:57:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:57:17,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:17,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 00:57:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 00:57:17,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:57:17,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:17,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:18,125 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 00:57:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 00:57:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 00:57:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:57:18,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:18,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:18,726 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 00:57:19,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 00:57:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 00:57:19,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:57:19,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:19,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:20,395 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 00:57:21,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:21,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2021-11-23 00:57:21,644 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2021-11-23 00:57:21,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:57:21,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:21,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:22,436 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 00:57:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2021-11-23 00:57:22,758 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2021-11-23 00:57:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:57:22,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:22,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:57:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:23,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2021-11-23 00:57:23,935 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2021-11-23 00:57:23,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:57:23,936 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-11-23 00:57:23,948 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:57:24,205 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2021-11-23 00:57:24,214 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:24,214 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2021-11-23 00:57:24,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:57:24 ImpRootNode [2021-11-23 00:57:24,218 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:57:24,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:57:24,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:57:24,220 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:57:24,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:17" (3/4) ... [2021-11-23 00:57:24,224 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:57:24,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 223 nodes and edges [2021-11-23 00:57:24,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-23 00:57:24,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 00:57:24,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:57:24,481 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:57:24,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:57:24,483 INFO L158 Benchmark]: Toolchain (without parser) took 12002.53ms. Allocated memory was 90.2MB in the beginning and 685.8MB in the end (delta: 595.6MB). Free memory was 51.3MB in the beginning and 219.5MB in the end (delta: -168.2MB). Peak memory consumption was 426.5MB. Max. memory is 16.1GB. [2021-11-23 00:57:24,483 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:57:24,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 782.68ms. Allocated memory was 90.2MB in the beginning and 127.9MB in the end (delta: 37.7MB). Free memory was 51.1MB in the beginning and 102.6MB in the end (delta: -51.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-23 00:57:24,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 160.97ms. Allocated memory is still 127.9MB. Free memory was 102.6MB in the beginning and 95.6MB in the end (delta: 7.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-11-23 00:57:24,485 INFO L158 Benchmark]: Boogie Preprocessor took 122.57ms. Allocated memory is still 127.9MB. Free memory was 95.6MB in the beginning and 89.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:57:24,486 INFO L158 Benchmark]: RCFGBuilder took 4327.43ms. Allocated memory was 127.9MB in the beginning and 320.9MB in the end (delta: 192.9MB). Free memory was 89.9MB in the beginning and 190.1MB in the end (delta: -100.3MB). Peak memory consumption was 199.0MB. Max. memory is 16.1GB. [2021-11-23 00:57:24,486 INFO L158 Benchmark]: CodeCheck took 6339.07ms. Allocated memory was 320.9MB in the beginning and 685.8MB in the end (delta: 364.9MB). Free memory was 190.1MB in the beginning and 240.4MB in the end (delta: -50.3MB). Peak memory consumption was 314.6MB. Max. memory is 16.1GB. [2021-11-23 00:57:24,486 INFO L158 Benchmark]: Witness Printer took 262.49ms. Allocated memory is still 685.8MB. Free memory was 240.4MB in the beginning and 219.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 00:57:24,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 367 IncrementalHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 65 mSDtfsCounter, 367 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 517 GetRequests, 455 SyntacticMatches, 8 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1384 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 164]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((a21 <= 9 || a12 <= 80) || !(a24 == 1)) || 10 < a21) || a15 <= 5) || 6 < a15 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((7 <= a15 || a21 <= 9) || a12 <= 80) || !(a24 == 1)) || 10 < a21) || a15 <= 5 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 782.68ms. Allocated memory was 90.2MB in the beginning and 127.9MB in the end (delta: 37.7MB). Free memory was 51.1MB in the beginning and 102.6MB in the end (delta: -51.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 160.97ms. Allocated memory is still 127.9MB. Free memory was 102.6MB in the beginning and 95.6MB in the end (delta: 7.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.57ms. Allocated memory is still 127.9MB. Free memory was 95.6MB in the beginning and 89.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4327.43ms. Allocated memory was 127.9MB in the beginning and 320.9MB in the end (delta: 192.9MB). Free memory was 89.9MB in the beginning and 190.1MB in the end (delta: -100.3MB). Peak memory consumption was 199.0MB. Max. memory is 16.1GB. * CodeCheck took 6339.07ms. Allocated memory was 320.9MB in the beginning and 685.8MB in the end (delta: 364.9MB). Free memory was 190.1MB in the beginning and 240.4MB in the end (delta: -50.3MB). Peak memory consumption was 314.6MB. Max. memory is 16.1GB. * Witness Printer took 262.49ms. Allocated memory is still 685.8MB. Free memory was 240.4MB in the beginning and 219.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:57:24,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9cc2cf1-2a82-45e7-b6a4-40c4e5d1eb4f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE