./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/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_f8769c33-6505-41b9-a1f8-6d5438d79643/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/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_f8769c33-6505-41b9-a1f8-6d5438d79643/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 c12284a0b0818e5553c135263b83926be59cee67b7fc82977d08837b834dc791 --- 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 18:50:18,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:50:18,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:50:18,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:50:18,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:50:18,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:50:18,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:50:18,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:50:18,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:50:18,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:50:18,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:50:18,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:50:18,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:50:18,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:50:18,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:50:18,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:50:18,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:50:18,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:50:18,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:50:18,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:50:18,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:50:18,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:50:18,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:50:18,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:50:18,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:50:18,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:50:18,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:50:18,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:50:18,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:50:18,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:50:18,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:50:18,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:50:18,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:50:18,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:50:18,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:50:18,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:50:18,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:50:18,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:50:18,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:50:18,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:50:18,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:50:18,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:50:18,819 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:50:18,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:50:18,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:50:18,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:50:18,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:50:18,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:50:18,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:50:18,821 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:50:18,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:50:18,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:50:18,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:50:18,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:50:18,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:50:18,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:50:18,822 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:50:18,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:50:18,822 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:50:18,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:50:18,822 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:50:18,822 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:50:18,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:50:18,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:50:18,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:50:18,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:50:18,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:50:18,823 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:50:18,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:50:18,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:50:18,823 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_f8769c33-6505-41b9-a1f8-6d5438d79643/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12284a0b0818e5553c135263b83926be59cee67b7fc82977d08837b834dc791 [2022-12-14 18:50:18,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:50:19,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:50:19,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:50:19,019 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:50:19,019 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:50:19,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem10_label17.c [2022-12-14 18:50:21,680 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:50:21,882 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:50:21,883 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/sv-benchmarks/c/eca-rers2012/Problem10_label17.c [2022-12-14 18:50:21,890 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/bin/ukojak-rkRKPMF4O4/data/882c8d512/b84ca083624a475fb78910a0cf8c0f6b/FLAG298790227 [2022-12-14 18:50:21,901 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/bin/ukojak-rkRKPMF4O4/data/882c8d512/b84ca083624a475fb78910a0cf8c0f6b [2022-12-14 18:50:21,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:50:21,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:50:21,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:50:21,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:50:21,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:50:21,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52cd83ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21, skipping insertion in model container [2022-12-14 18:50:21,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:50:21,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:50:22,062 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_f8769c33-6505-41b9-a1f8-6d5438d79643/sv-benchmarks/c/eca-rers2012/Problem10_label17.c[3604,3617] [2022-12-14 18:50:22,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:50:22,171 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:50:22,187 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_f8769c33-6505-41b9-a1f8-6d5438d79643/sv-benchmarks/c/eca-rers2012/Problem10_label17.c[3604,3617] [2022-12-14 18:50:22,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:50:22,270 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:50:22,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:22 WrapperNode [2022-12-14 18:50:22,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:50:22,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:50:22,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:50:22,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:50:22,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:22" (1/1) ... [2022-12-14 18:50:22,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:22" (1/1) ... [2022-12-14 18:50:22,347 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-12-14 18:50:22,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:50:22,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:50:22,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:50:22,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:50:22,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:22" (1/1) ... [2022-12-14 18:50:22,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:22" (1/1) ... [2022-12-14 18:50:22,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:22" (1/1) ... [2022-12-14 18:50:22,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:22" (1/1) ... [2022-12-14 18:50:22,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:22" (1/1) ... [2022-12-14 18:50:22,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:22" (1/1) ... [2022-12-14 18:50:22,401 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:22" (1/1) ... [2022-12-14 18:50:22,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:22" (1/1) ... [2022-12-14 18:50:22,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:50:22,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:50:22,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:50:22,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:50:22,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:22" (1/1) ... [2022-12-14 18:50:22,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:50:22,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:50:22,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:50:22,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:50:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:50:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:50:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:50:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:50:22,547 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:50:22,549 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:50:23,370 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:50:24,863 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:50:24,864 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:50:24,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:50:24 BoogieIcfgContainer [2022-12-14 18:50:24,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:50:24,866 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:50:24,867 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:50:24,874 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:50:24,874 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:50:24" (1/1) ... [2022-12-14 18:50:24,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:50:24,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:24,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 18:50:24,921 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 18:50:24,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:50:24,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:24,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:25,094 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 18:50:25,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:25,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 18:50:25,159 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 18:50:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:50:25,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:25,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:31,689 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 18:50:31,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-14 18:50:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-14 18:50:31,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:50:31,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:31,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:45,000 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 18:50:45,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:45,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2022-12-14 18:50:45,625 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2022-12-14 18:50:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:50:45,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:45,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:50:56,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2022-12-14 18:50:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2022-12-14 18:50:56,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:50:56,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:56,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:51:05,196 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:51:05,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:51:05,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2022-12-14 18:51:05,773 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2022-12-14 18:51:05,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:51:05,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:51:05,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:51:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:51:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 18:51:17,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:51:17,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2022-12-14 18:51:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2022-12-14 18:51:17,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:51:17,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:51:17,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:51:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:51:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 18:51:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:51:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2022-12-14 18:51:29,403 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2022-12-14 18:51:29,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:51:29,403 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-14 18:51:29,408 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 18:51:29,595 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2022-12-14 18:51:29,604 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:51:29,604 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2022-12-14 18:51:29,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:51:29 ImpRootNode [2022-12-14 18:51:29,604 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:51:29,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:51:29,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:51:29,614 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:51:29,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:50:24" (3/4) ... [2022-12-14 18:51:29,616 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:51:29,628 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2022-12-14 18:51:29,629 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-14 18:51:29,629 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 18:51:29,630 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 18:51:29,698 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:51:29,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:51:29,698 INFO L158 Benchmark]: Toolchain (without parser) took 67794.27ms. Allocated memory was 138.4MB in the beginning and 931.1MB in the end (delta: 792.7MB). Free memory was 101.4MB in the beginning and 829.5MB in the end (delta: -728.1MB). Peak memory consumption was 613.0MB. Max. memory is 16.1GB. [2022-12-14 18:51:29,698 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:51:29,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.22ms. Allocated memory is still 138.4MB. Free memory was 101.4MB in the beginning and 74.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 18:51:29,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.97ms. Allocated memory is still 138.4MB. Free memory was 74.1MB in the beginning and 66.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 18:51:29,699 INFO L158 Benchmark]: Boogie Preprocessor took 69.27ms. Allocated memory is still 138.4MB. Free memory was 66.3MB in the beginning and 61.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:51:29,699 INFO L158 Benchmark]: RCFGBuilder took 2447.43ms. Allocated memory was 138.4MB in the beginning and 281.0MB in the end (delta: 142.6MB). Free memory was 61.0MB in the beginning and 203.6MB in the end (delta: -142.6MB). Peak memory consumption was 111.7MB. Max. memory is 16.1GB. [2022-12-14 18:51:29,699 INFO L158 Benchmark]: CodeCheck took 64738.06ms. Allocated memory was 281.0MB in the beginning and 931.1MB in the end (delta: 650.1MB). Free memory was 203.6MB in the beginning and 284.3MB in the end (delta: -80.7MB). Peak memory consumption was 568.4MB. Max. memory is 16.1GB. [2022-12-14 18:51:29,700 INFO L158 Benchmark]: Witness Printer took 92.99ms. Allocated memory is still 931.1MB. Free memory was 284.3MB in the beginning and 829.5MB in the end (delta: -545.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:51:29,701 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: 64.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 263 mSDsluCounter, 277 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 153 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 762 IncrementalHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 153 mSolverCounterUnsat, 111 mSDtfsCounter, 762 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1002 GetRequests, 854 SyntacticMatches, 50 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4273 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 60.4s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 1074 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 28/127 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: 104]: 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: (((7 <= a19 && 14 == a4) && a12 == 0) || ((a1 <= 23 && 14 == a4) && a12 == 0)) || ((((a19 <= 5 || !(a10 == 4)) || 219 <= a1) && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a19 == 6) || (0 < a1 + 13 && (a1 <= 38 || !(a1 <= 218)))) || !(a10 == 4)) && 14 == a4) && a12 == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.22ms. Allocated memory is still 138.4MB. Free memory was 101.4MB in the beginning and 74.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.97ms. Allocated memory is still 138.4MB. Free memory was 74.1MB in the beginning and 66.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.27ms. Allocated memory is still 138.4MB. Free memory was 66.3MB in the beginning and 61.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2447.43ms. Allocated memory was 138.4MB in the beginning and 281.0MB in the end (delta: 142.6MB). Free memory was 61.0MB in the beginning and 203.6MB in the end (delta: -142.6MB). Peak memory consumption was 111.7MB. Max. memory is 16.1GB. * CodeCheck took 64738.06ms. Allocated memory was 281.0MB in the beginning and 931.1MB in the end (delta: 650.1MB). Free memory was 203.6MB in the beginning and 284.3MB in the end (delta: -80.7MB). Peak memory consumption was 568.4MB. Max. memory is 16.1GB. * Witness Printer took 92.99ms. Allocated memory is still 931.1MB. Free memory was 284.3MB in the beginning and 829.5MB in the end (delta: -545.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:51:29,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8769c33-6505-41b9-a1f8-6d5438d79643/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