./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4 --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 46305506117a7249be58d8d8d8c60453578281c1cbb0dca593851bdc92c5fe11 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:35:00,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:35:00,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:35:00,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:35:00,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:35:00,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:35:00,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:35:00,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:35:00,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:35:00,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:35:00,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:35:00,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:35:00,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:35:00,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:35:00,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:35:00,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:35:00,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:35:00,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:35:00,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:35:00,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:35:00,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:35:00,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:35:00,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:35:00,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:35:00,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:35:00,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:35:00,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:35:00,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:35:00,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:35:00,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:35:00,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:35:00,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:35:00,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:35:00,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:35:00,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:35:00,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:35:00,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:35:00,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:35:00,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:35:00,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:35:00,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:35:00,782 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:35:00,797 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:35:00,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:35:00,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:35:00,798 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:35:00,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:35:00,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:35:00,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:35:00,799 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:35:00,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:35:00,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:35:00,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:35:00,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:35:00,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:35:00,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:35:00,800 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:35:00,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:35:00,801 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:35:00,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:35:00,801 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:35:00,801 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:35:00,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:35:00,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:35:00,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:35:00,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:35:00,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:35:00,802 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:35:00,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:35:00,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:35:00,803 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_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46305506117a7249be58d8d8d8c60453578281c1cbb0dca593851bdc92c5fe11 [2022-12-14 23:35:00,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:35:01,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:35:01,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:35:01,004 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:35:01,005 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:35:01,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2022-12-14 23:35:03,533 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:35:03,729 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:35:03,730 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2022-12-14 23:35:03,744 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/data/61ba92f8e/c6cabd2f186c49b1a822dda216e275ba/FLAG0ed2332ac [2022-12-14 23:35:04,105 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/data/61ba92f8e/c6cabd2f186c49b1a822dda216e275ba [2022-12-14 23:35:04,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:35:04,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:35:04,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:35:04,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:35:04,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:35:04,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5a23ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04, skipping insertion in model container [2022-12-14 23:35:04,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:35:04,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:35:04,308 WARN L237 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_3092b804-cc27-4265-b47b-45d0c5c5a6bf/sv-benchmarks/c/eca-rers2012/Problem14_label30.c[4533,4546] [2022-12-14 23:35:04,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:35:04,427 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:35:04,443 WARN L237 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_3092b804-cc27-4265-b47b-45d0c5c5a6bf/sv-benchmarks/c/eca-rers2012/Problem14_label30.c[4533,4546] [2022-12-14 23:35:04,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:35:04,529 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:35:04,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04 WrapperNode [2022-12-14 23:35:04,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:35:04,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:35:04,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:35:04,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:35:04,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,608 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-12-14 23:35:04,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:35:04,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:35:04,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:35:04,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:35:04,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,668 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:35:04,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:35:04,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:35:04,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:35:04,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2022-12-14 23:35:04,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:35:04,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:35:04,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:35:04,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:35:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:35:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:35:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:35:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:35:04,805 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:35:04,806 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:35:05,682 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:35:08,140 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:35:08,140 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:35:08,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:08 BoogieIcfgContainer [2022-12-14 23:35:08,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:35:08,142 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:35:08,142 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:35:08,149 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:35:08,149 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:08" (1/1) ... [2022-12-14 23:35:08,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:35:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:35:08,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 23:35:08,190 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 23:35:08,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:35:08,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:35:08,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:35:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:35:08,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:35:08,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:35:08,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 23:35:08,465 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 23:35:08,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:35:08,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:35:08,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:35:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:35:22,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:35:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:35:23,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-12-14 23:35:23,029 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-12-14 23:35:23,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:35:23,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:35:23,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:35:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:35:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:35:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:35:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2022-12-14 23:35:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2022-12-14 23:35:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:35:54,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:35:54,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:35:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:13,033 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 23:36:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:13,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 52 transitions. [2022-12-14 23:36:13,278 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 52 transitions. [2022-12-14 23:36:13,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:36:13,278 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-12-14 23:36:13,283 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 23:36:13,449 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2022-12-14 23:36:13,458 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:36:13,458 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2022-12-14 23:36:13,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:36:13 ImpRootNode [2022-12-14 23:36:13,458 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:36:13,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:36:13,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:36:13,459 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:36:13,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:08" (3/4) ... [2022-12-14 23:36:13,462 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:36:13,475 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 223 nodes and edges [2022-12-14 23:36:13,476 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-14 23:36:13,477 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 23:36:13,477 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:36:13,553 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:36:13,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:36:13,554 INFO L158 Benchmark]: Toolchain (without parser) took 69443.88ms. Allocated memory was 151.0MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 114.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 209.6MB. Max. memory is 16.1GB. [2022-12-14 23:36:13,554 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:36:13,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.48ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 82.2MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 23:36:13,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.10ms. Allocated memory is still 151.0MB. Free memory was 81.7MB in the beginning and 72.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 23:36:13,554 INFO L158 Benchmark]: Boogie Preprocessor took 72.56ms. Allocated memory is still 151.0MB. Free memory was 72.4MB in the beginning and 115.4MB in the end (delta: -43.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-12-14 23:36:13,555 INFO L158 Benchmark]: RCFGBuilder took 3459.49ms. Allocated memory was 151.0MB in the beginning and 302.0MB in the end (delta: 151.0MB). Free memory was 115.4MB in the beginning and 106.8MB in the end (delta: 8.6MB). Peak memory consumption was 226.2MB. Max. memory is 16.1GB. [2022-12-14 23:36:13,555 INFO L158 Benchmark]: CodeCheck took 65316.18ms. Allocated memory was 302.0MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 106.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2022-12-14 23:36:13,555 INFO L158 Benchmark]: Witness Printer took 94.27ms. Allocated memory is still 1.7GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 23:36:13,556 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: 65.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 265 IncrementalHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 46 mSDtfsCounter, 265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 401 GetRequests, 352 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 992 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 63.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/34 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: 143]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a12 <= 11 || !(a24 == 1)) || a21 <= 6) || !(a21 <= 7)) || !(a15 <= 6)) || a15 <= 5) || 81 <= a12 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a12 <= 11 || 7 <= a15) || !(a24 == 1)) || a21 <= 6) || 8 <= a21) || a15 <= 5) || 81 <= a12 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.48ms. Allocated memory is still 151.0MB. Free memory was 114.6MB in the beginning and 82.2MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.10ms. Allocated memory is still 151.0MB. Free memory was 81.7MB in the beginning and 72.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.56ms. Allocated memory is still 151.0MB. Free memory was 72.4MB in the beginning and 115.4MB in the end (delta: -43.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3459.49ms. Allocated memory was 151.0MB in the beginning and 302.0MB in the end (delta: 151.0MB). Free memory was 115.4MB in the beginning and 106.8MB in the end (delta: 8.6MB). Peak memory consumption was 226.2MB. Max. memory is 16.1GB. * CodeCheck took 65316.18ms. Allocated memory was 302.0MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 106.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Witness Printer took 94.27ms. Allocated memory is still 1.7GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:36:13,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3092b804-cc27-4265-b47b-45d0c5c5a6bf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE