./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.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_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/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_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/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_ff91fcee-8978-4380-86ed-26bd06f29bf4/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 d1cc78894862a8232926a266f0e84c32d40ba4c1c811df274fffc61517c63c36 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:40:48,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:40:48,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:40:49,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:40:49,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:40:49,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:40:49,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:40:49,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:40:49,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:40:49,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:40:49,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:40:49,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:40:49,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:40:49,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:40:49,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:40:49,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:40:49,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:40:49,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:40:49,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:40:49,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:40:49,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:40:49,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:40:49,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:40:49,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:40:49,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:40:49,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:40:49,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:40:49,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:40:49,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:40:49,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:40:49,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:40:49,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:40:49,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:40:49,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:40:49,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:40:49,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:40:49,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:40:49,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:40:49,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:40:49,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:40:49,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:40:49,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:40:49,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:40:49,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:40:49,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:40:49,139 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:40:49,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:40:49,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:40:49,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:40:49,141 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:40:49,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:40:49,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:40:49,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:40:49,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:40:49,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:40:49,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:40:49,143 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:40:49,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:40:49,143 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:40:49,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:40:49,144 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:40:49,144 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:40:49,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:40:49,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:40:49,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:40:49,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:40:49,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:40:49,146 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:40:49,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:40:49,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:40:49,146 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_ff91fcee-8978-4380-86ed-26bd06f29bf4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1cc78894862a8232926a266f0e84c32d40ba4c1c811df274fffc61517c63c36 [2021-11-23 01:40:49,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:40:49,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:40:49,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:40:49,505 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:40:49,506 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:40:49,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2021-11-23 01:40:49,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/data/7ed57a079/d4c18003168b4a53aab41c2031463163/FLAG33deb0059 [2021-11-23 01:40:50,238 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:40:50,238 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2021-11-23 01:40:50,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/data/7ed57a079/d4c18003168b4a53aab41c2031463163/FLAG33deb0059 [2021-11-23 01:40:50,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/data/7ed57a079/d4c18003168b4a53aab41c2031463163 [2021-11-23 01:40:50,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:40:50,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:40:50,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:40:50,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:40:50,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:40:50,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:40:50" (1/1) ... [2021-11-23 01:40:50,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82ebcf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:50, skipping insertion in model container [2021-11-23 01:40:50,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:40:50" (1/1) ... [2021-11-23 01:40:50,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:40:50,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:40:50,783 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_ff91fcee-8978-4380-86ed-26bd06f29bf4/sv-benchmarks/c/eca-rers2012/Problem10_label51.c[5763,5776] [2021-11-23 01:40:50,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:40:50,967 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:40:51,016 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_ff91fcee-8978-4380-86ed-26bd06f29bf4/sv-benchmarks/c/eca-rers2012/Problem10_label51.c[5763,5776] [2021-11-23 01:40:51,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:40:51,109 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:40:51,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:51 WrapperNode [2021-11-23 01:40:51,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:40:51,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:40:51,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:40:51,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:40:51,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:51" (1/1) ... [2021-11-23 01:40:51,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:51" (1/1) ... [2021-11-23 01:40:51,235 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-11-23 01:40:51,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:40:51,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:40:51,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:40:51,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:40:51,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:51" (1/1) ... [2021-11-23 01:40:51,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:51" (1/1) ... [2021-11-23 01:40:51,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:51" (1/1) ... [2021-11-23 01:40:51,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:51" (1/1) ... [2021-11-23 01:40:51,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:51" (1/1) ... [2021-11-23 01:40:51,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:51" (1/1) ... [2021-11-23 01:40:51,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:51" (1/1) ... [2021-11-23 01:40:51,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:40:51,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:40:51,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:40:51,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:40:51,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:51" (1/1) ... [2021-11-23 01:40:51,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:40:51,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:40:51,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:40:51,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:40:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:40:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:40:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:40:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:40:51,549 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:40:51,550 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:40:52,647 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:40:54,707 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:40:54,707 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:40:54,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:54 BoogieIcfgContainer [2021-11-23 01:40:54,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:40:54,712 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:40:54,712 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:40:54,722 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:40:54,723 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:54" (1/1) ... [2021-11-23 01:40:54,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:40:54,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:54,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:40:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:40:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:40:54,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:54,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:55,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:55,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-11-23 01:40:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-11-23 01:40:55,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:40:55,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:55,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:55,719 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 01:40:56,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2021-11-23 01:40:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2021-11-23 01:40:56,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:40:56,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:56,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:40:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:57,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-11-23 01:40:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-11-23 01:40:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:40:57,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:57,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:40:58,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:58,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2021-11-23 01:40:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2021-11-23 01:40:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:40:58,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:58,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:59,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2021-11-23 01:40:59,344 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2021-11-23 01:40:59,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:40:59,345 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-11-23 01:40:59,353 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:40:59,606 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2021-11-23 01:40:59,616 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2021-11-23 01:40:59,617 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:40:59,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:40:59 ImpRootNode [2021-11-23 01:40:59,618 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:40:59,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:40:59,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:40:59,619 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:40:59,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:54" (3/4) ... [2021-11-23 01:40:59,622 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:40:59,644 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2021-11-23 01:40:59,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-23 01:40:59,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 01:40:59,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:40:59,808 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:40:59,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:40:59,809 INFO L158 Benchmark]: Toolchain (without parser) took 9309.11ms. Allocated memory was 119.5MB in the beginning and 331.4MB in the end (delta: 211.8MB). Free memory was 88.9MB in the beginning and 228.5MB in the end (delta: -139.7MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2021-11-23 01:40:59,810 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 53.2MB in the beginning and 53.2MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:40:59,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.63ms. Allocated memory is still 119.5MB. Free memory was 88.7MB in the beginning and 61.3MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 01:40:59,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.44ms. Allocated memory is still 119.5MB. Free memory was 61.1MB in the beginning and 53.2MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:40:59,811 INFO L158 Benchmark]: Boogie Preprocessor took 115.71ms. Allocated memory is still 119.5MB. Free memory was 53.2MB in the beginning and 48.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:40:59,812 INFO L158 Benchmark]: RCFGBuilder took 3357.45ms. Allocated memory was 119.5MB in the beginning and 331.4MB in the end (delta: 211.8MB). Free memory was 48.3MB in the beginning and 241.3MB in the end (delta: -193.0MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2021-11-23 01:40:59,813 INFO L158 Benchmark]: CodeCheck took 4906.27ms. Allocated memory is still 331.4MB. Free memory was 241.3MB in the beginning and 245.2MB in the end (delta: -3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:40:59,813 INFO L158 Benchmark]: Witness Printer took 190.28ms. Allocated memory is still 331.4MB. Free memory was 245.2MB in the beginning and 228.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:40:59,815 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: 4.6s, 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, 141 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 318 IncrementalHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 53 mSDtfsCounter, 318 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 532 GetRequests, 451 SyntacticMatches, 23 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 16/44 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: 592]: Loop Invariant Derived loop invariant: (((0 <= a1 + 12 || !(a10 == 3)) && 14 == a4) && a12 == 0) || (((a19 <= 7 || 9 <= a19) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((14 == a4 && a12 == 0) && ((a19 <= 7 || 0 < a1 + 13) || !(a10 == 3))) || ((14 == a4 && a12 == 0) && 9 <= a19) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 53.2MB in the beginning and 53.2MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.63ms. Allocated memory is still 119.5MB. Free memory was 88.7MB in the beginning and 61.3MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.44ms. Allocated memory is still 119.5MB. Free memory was 61.1MB in the beginning and 53.2MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.71ms. Allocated memory is still 119.5MB. Free memory was 53.2MB in the beginning and 48.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3357.45ms. Allocated memory was 119.5MB in the beginning and 331.4MB in the end (delta: 211.8MB). Free memory was 48.3MB in the beginning and 241.3MB in the end (delta: -193.0MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. * CodeCheck took 4906.27ms. Allocated memory is still 331.4MB. Free memory was 241.3MB in the beginning and 245.2MB in the end (delta: -3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 190.28ms. Allocated memory is still 331.4MB. Free memory was 245.2MB in the beginning and 228.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:40:59,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff91fcee-8978-4380-86ed-26bd06f29bf4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE