./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.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_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/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_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/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_c917d4cb-19c0-4a5d-a183-3251cdf121dc/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 dabfb11a5597c878c4111fedcc12f0c41145d68b0087981aef78b30abe61727d .................................................................................................................................................................................................................................................................................... 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 03:22:39,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:22:39,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:22:39,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:22:39,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:22:39,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:22:39,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:22:39,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:22:39,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:22:39,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:22:39,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:22:39,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:22:39,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:22:39,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:22:39,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:22:39,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:22:39,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:22:39,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:22:39,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:22:39,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:22:39,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:22:39,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:22:39,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:22:39,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:22:39,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:22:39,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:22:39,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:22:39,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:22:39,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:22:39,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:22:39,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:22:39,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:22:39,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:22:39,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:22:39,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:22:39,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:22:39,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:22:39,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:22:39,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:22:39,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:22:39,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:22:39,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:22:39,758 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:22:39,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:22:39,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:22:39,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:22:39,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:22:39,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:22:39,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:22:39,762 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:22:39,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:22:39,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:22:39,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:22:39,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:22:39,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:22:39,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:22:39,771 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:22:39,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:22:39,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:22:39,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:22:39,772 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:22:39,772 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:22:39,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:22:39,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:22:39,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:22:39,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:22:39,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:22:39,773 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:22:39,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:22:39,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:22:39,774 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_c917d4cb-19c0-4a5d-a183-3251cdf121dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dabfb11a5597c878c4111fedcc12f0c41145d68b0087981aef78b30abe61727d [2021-10-29 03:22:40,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:22:40,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:22:40,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:22:40,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:22:40,099 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:22:40,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2021-10-29 03:22:40,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/data/50903f716/4360cedbf0f941eabdd6bff8991bbfe3/FLAG2ccb4efe1 [2021-10-29 03:22:40,753 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:22:40,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2021-10-29 03:22:40,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/data/50903f716/4360cedbf0f941eabdd6bff8991bbfe3/FLAG2ccb4efe1 [2021-10-29 03:22:41,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/data/50903f716/4360cedbf0f941eabdd6bff8991bbfe3 [2021-10-29 03:22:41,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:22:41,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:22:41,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:22:41,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:22:41,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:22:41,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:22:41" (1/1) ... [2021-10-29 03:22:41,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e2b0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:41, skipping insertion in model container [2021-10-29 03:22:41,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:22:41" (1/1) ... [2021-10-29 03:22:41,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:22:41,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:22:41,442 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_c917d4cb-19c0-4a5d-a183-3251cdf121dc/sv-benchmarks/c/eca-rers2012/Problem10_label02.c[6766,6779] [2021-10-29 03:22:41,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:22:41,631 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:22:41,664 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_c917d4cb-19c0-4a5d-a183-3251cdf121dc/sv-benchmarks/c/eca-rers2012/Problem10_label02.c[6766,6779] [2021-10-29 03:22:41,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:22:41,768 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:22:41,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:41 WrapperNode [2021-10-29 03:22:41,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:22:41,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:22:41,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:22:41,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:22:41,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:41" (1/1) ... [2021-10-29 03:22:41,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:41" (1/1) ... [2021-10-29 03:22:41,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:22:41,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:22:41,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:22:41,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:22:41,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:41" (1/1) ... [2021-10-29 03:22:41,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:41" (1/1) ... [2021-10-29 03:22:41,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:41" (1/1) ... [2021-10-29 03:22:41,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:41" (1/1) ... [2021-10-29 03:22:41,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:41" (1/1) ... [2021-10-29 03:22:41,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:41" (1/1) ... [2021-10-29 03:22:42,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:41" (1/1) ... [2021-10-29 03:22:42,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:22:42,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:22:42,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:22:42,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:22:42,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:41" (1/1) ... [2021-10-29 03:22:42,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:22:42,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:22:42,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:22:42,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:22:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:22:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:22:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:22:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:22:50,507 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:22:50,507 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:22:50,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:50 BoogieIcfgContainer [2021-10-29 03:22:50,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:22:50,510 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:22:50,510 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:22:50,523 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:22:50,523 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:50" (1/1) ... [2021-10-29 03:22:50,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:22:50,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:50,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:22:50,564 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:22:50,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:22:50,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:50,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:50,843 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 03:22:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:22:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:22:50,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:22:50,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:50,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:51,328 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 03:22:51,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-10-29 03:22:51,584 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-10-29 03:22:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:22:51,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:51,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:52,265 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 03:22:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:52,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-10-29 03:22:52,983 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-10-29 03:22:52,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:22:52,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:52,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:53,348 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 03:22:53,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2021-10-29 03:22:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2021-10-29 03:22:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:22:53,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:53,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:55,506 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:22:56,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:56,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2021-10-29 03:22:56,367 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2021-10-29 03:22:56,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:22:56,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:56,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:22:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:58,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2021-10-29 03:22:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2021-10-29 03:22:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:22:58,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:58,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:22:59,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2021-10-29 03:22:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2021-10-29 03:22:59,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:22:59,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:59,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 03:23:00,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-10-29 03:23:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-10-29 03:23:00,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:23:00,826 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-10-29 03:23:00,834 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:23:01,092 INFO L565 CodeCheckObserver]: Invariant with dag size 21 [2021-10-29 03:23:01,109 INFO L565 CodeCheckObserver]: Invariant with dag size 19 [2021-10-29 03:23:01,111 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:01,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:23:01 ImpRootNode [2021-10-29 03:23:01,112 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:23:01,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:23:01,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:23:01,113 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:23:01,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:50" (3/4) ... [2021-10-29 03:23:01,116 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:23:01,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 182 nodes and edges [2021-10-29 03:23:01,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 03:23:01,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:23:01,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:23:01,283 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:23:01,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:23:01,286 INFO L168 Benchmark]: Toolchain (without parser) took 20258.17 ms. Allocated memory was 96.5 MB in the beginning and 675.3 MB in the end (delta: 578.8 MB). Free memory was 54.0 MB in the beginning and 364.3 MB in the end (delta: -310.2 MB). Peak memory consumption was 268.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:01,286 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 96.5 MB. Free memory is still 72.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:23:01,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.01 ms. Allocated memory is still 96.5 MB. Free memory was 53.8 MB in the beginning and 54.6 MB in the end (delta: -762.5 kB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:01,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.98 ms. Allocated memory is still 96.5 MB. Free memory was 54.6 MB in the beginning and 46.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:01,287 INFO L168 Benchmark]: Boogie Preprocessor took 123.13 ms. Allocated memory is still 96.5 MB. Free memory was 46.7 MB in the beginning and 41.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:01,288 INFO L168 Benchmark]: RCFGBuilder took 8477.15 ms. Allocated memory was 96.5 MB in the beginning and 251.7 MB in the end (delta: 155.2 MB). Free memory was 41.8 MB in the beginning and 79.6 MB in the end (delta: -37.8 MB). Peak memory consumption was 146.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:01,288 INFO L168 Benchmark]: CodeCheck took 10602.13 ms. Allocated memory was 251.7 MB in the beginning and 675.3 MB in the end (delta: 423.6 MB). Free memory was 79.6 MB in the beginning and 380.0 MB in the end (delta: -300.4 MB). Peak memory consumption was 123.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:01,289 INFO L168 Benchmark]: Witness Printer took 171.28 ms. Allocated memory is still 675.3 MB. Free memory was 380.0 MB in the beginning and 364.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:01,291 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: 10.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1552 SDtfs, 2892 SDslu, 2080 SDs, 0 SdLazy, 8116 SolverSat, 1192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1061 GetRequests, 915 SyntacticMatches, 66 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3209 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 78/122 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: 191]: 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: ((((a1 <= 218 || a19 <= 5) || !(a10 == 0)) && 14 == a4) && a12 == 0) || ((7 <= a19 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((a1 <= 218 || 6 < a19) || a19 <= 5) || !(a10 == 0)) && 14 == a4) && a12 == 0 - 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 0.21 ms. Allocated memory is still 96.5 MB. Free memory is still 72.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 735.01 ms. Allocated memory is still 96.5 MB. Free memory was 53.8 MB in the beginning and 54.6 MB in the end (delta: -762.5 kB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 127.98 ms. Allocated memory is still 96.5 MB. Free memory was 54.6 MB in the beginning and 46.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 123.13 ms. Allocated memory is still 96.5 MB. Free memory was 46.7 MB in the beginning and 41.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8477.15 ms. Allocated memory was 96.5 MB in the beginning and 251.7 MB in the end (delta: 155.2 MB). Free memory was 41.8 MB in the beginning and 79.6 MB in the end (delta: -37.8 MB). Peak memory consumption was 146.5 MB. Max. memory is 16.1 GB. * CodeCheck took 10602.13 ms. Allocated memory was 251.7 MB in the beginning and 675.3 MB in the end (delta: 423.6 MB). Free memory was 79.6 MB in the beginning and 380.0 MB in the end (delta: -300.4 MB). Peak memory consumption was 123.2 MB. Max. memory is 16.1 GB. * Witness Printer took 171.28 ms. Allocated memory is still 675.3 MB. Free memory was 380.0 MB in the beginning and 364.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:23:01,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c917d4cb-19c0-4a5d-a183-3251cdf121dc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...