./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI --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 07856504dc5c463e221805a89ee1e4c0e868c2c3c4725cae95a52d7200c3e290 ............................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:42:32,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:42:32,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:42:32,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:42:32,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:42:32,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:42:32,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:42:32,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:42:32,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:42:32,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:42:32,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:42:32,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:42:32,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:42:32,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:42:32,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:42:32,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:42:32,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:42:32,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:42:32,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:42:32,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:42:32,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:42:32,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:42:32,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:42:32,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:42:32,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:42:32,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:42:32,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:42:32,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:42:32,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:42:32,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:42:32,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:42:32,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:42:32,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:42:32,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:42:32,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:42:32,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:42:32,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:42:32,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:42:32,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:42:32,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:42:32,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:42:32,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:42:32,662 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:42:32,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:42:32,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:42:32,664 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:42:32,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:42:32,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:42:32,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:42:32,666 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:42:32,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:42:32,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:42:32,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:42:32,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:42:32,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:42:32,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:42:32,668 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:42:32,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:42:32,669 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:42:32,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:42:32,669 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:42:32,670 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:42:32,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:42:32,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:42:32,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:42:32,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:42:32,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:42:32,671 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:42:32,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:42:32,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:42:32,672 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_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07856504dc5c463e221805a89ee1e4c0e868c2c3c4725cae95a52d7200c3e290 [2021-10-29 03:42:33,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:42:33,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:42:33,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:42:33,084 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:42:33,086 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:42:33,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem16_label50.c [2021-10-29 03:42:33,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/data/75198f243/df4d8fb89d4a456ca59b52ac7deb9759/FLAGb045bf5a9 [2021-10-29 03:42:34,069 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:42:34,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/sv-benchmarks/c/eca-rers2012/Problem16_label50.c [2021-10-29 03:42:34,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/data/75198f243/df4d8fb89d4a456ca59b52ac7deb9759/FLAGb045bf5a9 [2021-10-29 03:42:34,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/data/75198f243/df4d8fb89d4a456ca59b52ac7deb9759 [2021-10-29 03:42:34,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:42:34,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:42:34,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:42:34,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:42:34,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:42:34,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:42:34" (1/1) ... [2021-10-29 03:42:34,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac2d940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:34, skipping insertion in model container [2021-10-29 03:42:34,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:42:34" (1/1) ... [2021-10-29 03:42:34,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:42:34,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:42:34,606 WARN L228 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_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/sv-benchmarks/c/eca-rers2012/Problem16_label50.c[4800,4813] [2021-10-29 03:42:35,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:42:35,227 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:42:35,265 WARN L228 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_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/sv-benchmarks/c/eca-rers2012/Problem16_label50.c[4800,4813] [2021-10-29 03:42:35,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:42:35,561 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:42:35,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:35 WrapperNode [2021-10-29 03:42:35,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:42:35,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:42:35,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:42:35,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:42:35,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:35" (1/1) ... [2021-10-29 03:42:35,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:35" (1/1) ... [2021-10-29 03:42:35,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:42:35,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:42:35,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:42:35,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:42:35,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:35" (1/1) ... [2021-10-29 03:42:35,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:35" (1/1) ... [2021-10-29 03:42:35,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:35" (1/1) ... [2021-10-29 03:42:35,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:35" (1/1) ... [2021-10-29 03:42:35,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:35" (1/1) ... [2021-10-29 03:42:36,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:35" (1/1) ... [2021-10-29 03:42:36,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:35" (1/1) ... [2021-10-29 03:42:36,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:42:36,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:42:36,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:42:36,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:42:36,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:35" (1/1) ... [2021-10-29 03:42:36,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:42:36,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:42:36,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:42:36,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:42:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:42:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:42:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:42:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:44:03,647 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:44:03,647 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 03:44:03,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:44:03 BoogieIcfgContainer [2021-10-29 03:44:03,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:44:03,651 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:44:03,651 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:44:03,665 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:44:03,665 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:44:03" (1/1) ... [2021-10-29 03:44:03,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:44:03,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:03,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:44:03,726 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:44:03,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:44:03,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:03,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:04,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:44:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:44:04,267 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:44:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:44:04,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:04,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:44:06,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 03:44:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 03:44:06,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:44:06,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:06,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:09,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:44:25,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:25,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2021-10-29 03:44:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2021-10-29 03:44:25,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:44:25,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:25,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:44:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:28,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2021-10-29 03:44:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2021-10-29 03:44:28,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:44:28,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:44:28,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:44:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:44:30,661 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:44:31,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:44:31,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2021-10-29 03:44:31,372 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2021-10-29 03:44:31,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:44:31,373 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-10-29 03:44:31,380 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:44:31,724 INFO L565 CodeCheckObserver]: Invariant with dag size 19 [2021-10-29 03:44:31,738 INFO L565 CodeCheckObserver]: Invariant with dag size 19 [2021-10-29 03:44:31,742 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:44:31,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:44:31 ImpRootNode [2021-10-29 03:44:31,743 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:44:31,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:44:31,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:44:31,748 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:44:31,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:44:03" (3/4) ... [2021-10-29 03:44:31,753 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:44:31,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 374 nodes and edges [2021-10-29 03:44:31,834 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-10-29 03:44:31,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 03:44:31,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:44:32,247 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:44:32,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:44:32,249 INFO L168 Benchmark]: Toolchain (without parser) took 118064.57 ms. Allocated memory was 107.0 MB in the beginning and 6.9 GB in the end (delta: 6.8 GB). Free memory was 84.6 MB in the beginning and 6.2 GB in the end (delta: -6.1 GB). Peak memory consumption was 740.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:32,249 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 79.7 MB. Free memory is still 57.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:44:32,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1375.71 ms. Allocated memory is still 107.0 MB. Free memory was 84.4 MB in the beginning and 61.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:32,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 192.55 ms. Allocated memory is still 107.0 MB. Free memory was 61.9 MB in the beginning and 38.2 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:32,252 INFO L168 Benchmark]: Boogie Preprocessor took 305.43 ms. Allocated memory was 107.0 MB in the beginning and 153.1 MB in the end (delta: 46.1 MB). Free memory was 38.2 MB in the beginning and 108.4 MB in the end (delta: -70.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:32,252 INFO L168 Benchmark]: RCFGBuilder took 87587.17 ms. Allocated memory was 153.1 MB in the beginning and 6.9 GB in the end (delta: 6.8 GB). Free memory was 108.4 MB in the beginning and 6.2 GB in the end (delta: -6.1 GB). Peak memory consumption was 762.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:32,253 INFO L168 Benchmark]: CodeCheck took 28092.85 ms. Allocated memory is still 6.9 GB. Free memory was 6.2 GB in the beginning and 6.2 GB in the end (delta: -46.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:44:32,253 INFO L168 Benchmark]: Witness Printer took 499.25 ms. Allocated memory is still 6.9 GB. Free memory was 6.2 GB in the beginning and 6.2 GB in the end (delta: 40.2 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:44:32,256 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: 27.6s, 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: 204 SDtfs, 416 SDslu, 280 SDs, 0 SdLazy, 1184 SolverSat, 164 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 48.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 528 GetRequests, 476 SyntacticMatches, 6 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 612 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: 152]: 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: 1783]: Loop Invariant Derived loop invariant: (((((a15 <= 2 || a16 <= 9) || 8 <= a12) || a12 <= 6) || 4 <= a15) || 11 <= a16) || a18 <= 134 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((a15 <= 2 || 3 < a15) || a16 <= 9) || 10 < a16) || a12 <= 6) || 7 < a12) || a18 <= 134 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 79.7 MB. Free memory is still 57.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1375.71 ms. Allocated memory is still 107.0 MB. Free memory was 84.4 MB in the beginning and 61.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 192.55 ms. Allocated memory is still 107.0 MB. Free memory was 61.9 MB in the beginning and 38.2 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 305.43 ms. Allocated memory was 107.0 MB in the beginning and 153.1 MB in the end (delta: 46.1 MB). Free memory was 38.2 MB in the beginning and 108.4 MB in the end (delta: -70.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 87587.17 ms. Allocated memory was 153.1 MB in the beginning and 6.9 GB in the end (delta: 6.8 GB). Free memory was 108.4 MB in the beginning and 6.2 GB in the end (delta: -6.1 GB). Peak memory consumption was 762.1 MB. Max. memory is 16.1 GB. * CodeCheck took 28092.85 ms. Allocated memory is still 6.9 GB. Free memory was 6.2 GB in the beginning and 6.2 GB in the end (delta: -46.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 499.25 ms. Allocated memory is still 6.9 GB. Free memory was 6.2 GB in the beginning and 6.2 GB in the end (delta: 40.2 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:44:32,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe11577-ecc8-460f-b3e1-8906e5c3c17b/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...