./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64e5c46407a78b8946c1b8a8e041360873f42904 ............................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 19:59:56,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 19:59:56,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 19:59:56,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 19:59:56,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 19:59:56,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 19:59:56,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 19:59:56,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 19:59:56,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 19:59:56,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 19:59:56,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 19:59:56,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 19:59:56,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 19:59:56,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 19:59:56,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 19:59:56,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 19:59:56,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 19:59:56,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 19:59:56,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 19:59:56,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 19:59:56,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 19:59:56,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 19:59:56,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 19:59:56,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 19:59:56,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 19:59:56,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 19:59:56,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 19:59:56,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 19:59:56,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 19:59:56,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 19:59:56,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 19:59:56,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 19:59:56,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 19:59:56,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 19:59:56,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 19:59:56,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 19:59:56,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 19:59:56,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 19:59:56,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 19:59:56,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 19:59:56,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 19:59:56,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 19:59:56,819 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 19:59:56,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 19:59:56,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 19:59:56,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 19:59:56,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 19:59:56,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 19:59:56,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 19:59:56,822 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 19:59:56,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 19:59:56,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 19:59:56,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 19:59:56,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 19:59:56,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 19:59:56,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 19:59:56,823 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 19:59:56,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 19:59:56,823 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 19:59:56,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 19:59:56,824 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 19:59:56,824 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 19:59:56,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 19:59:56,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 19:59:56,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 19:59:56,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 19:59:56,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 19:59:56,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 19:59:56,825 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 19:59:56,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 19:59:56,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 19:59:56,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak 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(__VERIFIER_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 -> 64e5c46407a78b8946c1b8a8e041360873f42904 [2019-12-01 19:59:56,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 19:59:56,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 19:59:56,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 19:59:56,949 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 19:59:56,949 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 19:59:56,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2019-12-01 19:59:56,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak/data/745a5c91b/e404b3cd0e7e437a99b693ad44bc328e/FLAG7daa6fd1e [2019-12-01 19:59:57,440 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 19:59:57,440 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2019-12-01 19:59:57,449 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak/data/745a5c91b/e404b3cd0e7e437a99b693ad44bc328e/FLAG7daa6fd1e [2019-12-01 19:59:57,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak/data/745a5c91b/e404b3cd0e7e437a99b693ad44bc328e [2019-12-01 19:59:57,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 19:59:57,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 19:59:57,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 19:59:57,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 19:59:57,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 19:59:57,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:59:57" (1/1) ... [2019-12-01 19:59:57,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6e9d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:59:57, skipping insertion in model container [2019-12-01 19:59:57,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:59:57" (1/1) ... [2019-12-01 19:59:57,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 19:59:57,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 19:59:58,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:59:58,139 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 19:59:58,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:59:58,219 INFO L208 MainTranslator]: Completed translation [2019-12-01 19:59:58,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:59:58 WrapperNode [2019-12-01 19:59:58,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 19:59:58,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 19:59:58,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 19:59:58,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 19:59:58,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:59:58" (1/1) ... [2019-12-01 19:59:58,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:59:58" (1/1) ... [2019-12-01 19:59:58,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 19:59:58,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 19:59:58,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 19:59:58,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 19:59:58,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:59:58" (1/1) ... [2019-12-01 19:59:58,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:59:58" (1/1) ... [2019-12-01 19:59:58,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:59:58" (1/1) ... [2019-12-01 19:59:58,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:59:58" (1/1) ... [2019-12-01 19:59:58,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:59:58" (1/1) ... [2019-12-01 19:59:58,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:59:58" (1/1) ... [2019-12-01 19:59:58,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:59:58" (1/1) ... [2019-12-01 19:59:58,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 19:59:58,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 19:59:58,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 19:59:58,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 19:59:58,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:59:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 19:59:58,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 19:59:58,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 20:05:49,761 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 20:05:49,762 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 20:05:49,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:05:49 BoogieIcfgContainer [2019-12-01 20:05:49,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 20:05:49,763 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 20:05:49,763 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 20:05:49,770 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 20:05:49,770 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:05:49" (1/1) ... [2019-12-01 20:05:49,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 20:05:49,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:05:49,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 20:05:49,798 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 20:05:49,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 20:05:49,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:05:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:05:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:05:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:05:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 20:05:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 20:05:49,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 20:05:49,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:05:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:05:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:06:22,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:06:22,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-01 20:06:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-01 20:06:22,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:06:22,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:06:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:06:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:06:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:06:49,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2019-12-01 20:06:49,712 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2019-12-01 20:06:49,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:06:49,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:06:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:06:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:06:50,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:06:50,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2019-12-01 20:06:50,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2019-12-01 20:06:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 20:06:50,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:06:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:06:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:06:50,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:06:50,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2019-12-01 20:06:50,630 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2019-12-01 20:06:50,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:06:50,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:06:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:06:51,582 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:07:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:07:02,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 78 transitions. [2019-12-01 20:07:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 78 transitions. [2019-12-01 20:07:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 20:07:02,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:07:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:07:03,164 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:07:14,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:07:14,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 48 states and 99 transitions. [2019-12-01 20:07:14,261 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 99 transitions. [2019-12-01 20:07:14,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 20:07:14,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:07:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:07:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:07:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:07:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 62 states and 131 transitions. [2019-12-01 20:07:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 131 transitions. [2019-12-01 20:07:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 20:07:38,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:07:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:07:38,963 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:07:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:07:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 64 states and 136 transitions. [2019-12-01 20:07:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 136 transitions. [2019-12-01 20:07:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 20:07:39,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:07:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:07:41,770 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 20:07:42,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:07:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 70 states and 154 transitions. [2019-12-01 20:07:42,852 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 154 transitions. [2019-12-01 20:07:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 20:07:42,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:07:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:07:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 20:07:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:07:44,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 71 states and 154 transitions. [2019-12-01 20:07:44,872 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 154 transitions. [2019-12-01 20:07:44,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 20:07:44,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:07:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:07:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 20:07:46,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:07:46,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 72 states and 155 transitions. [2019-12-01 20:07:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 155 transitions. [2019-12-01 20:07:46,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 20:07:46,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:07:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:07:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 20:07:49,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:07:49,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 77 states and 172 transitions. [2019-12-01 20:07:49,863 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 172 transitions. [2019-12-01 20:07:49,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 20:07:49,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:07:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:07:51,462 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 20:07:52,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:07:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 74 states and 174 transitions. [2019-12-01 20:07:52,708 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 174 transitions. [2019-12-01 20:07:52,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 20:07:52,709 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2019-12-01 20:07:52,715 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 20:07:52,848 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 45 [2019-12-01 20:07:52,977 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 35 [2019-12-01 20:07:53,111 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 45 [2019-12-01 20:07:53,238 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 35 [2019-12-01 20:07:53,239 INFO L569 CodeCheckObserver]: Invariant with dag size 45 [2019-12-01 20:07:53,248 INFO L569 CodeCheckObserver]: Invariant with dag size 34 [2019-12-01 20:07:53,249 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 20:07:53,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 08:07:53 ImpRootNode [2019-12-01 20:07:53,250 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 20:07:53,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 20:07:53,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 20:07:53,251 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 20:07:53,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:05:49" (3/4) ... [2019-12-01 20:07:53,253 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 20:07:53,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 216 nodes and edges [2019-12-01 20:07:53,271 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 20:07:53,273 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 20:07:53,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 20:07:53,367 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8b03ffd3-ab35-40c8-9120-1cf008e73ba3/bin/ukojak/witness.graphml [2019-12-01 20:07:53,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 20:07:53,368 INFO L168 Benchmark]: Toolchain (without parser) took 475593.87 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 860.9 MB). Free memory was 936.6 MB in the beginning and 1.3 GB in the end (delta: -317.4 MB). Peak memory consumption was 543.4 MB. Max. memory is 11.5 GB. [2019-12-01 20:07:53,369 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 954.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 20:07:53,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -130.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-12-01 20:07:53,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-12-01 20:07:53,370 INFO L168 Benchmark]: Boogie Preprocessor took 53.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-12-01 20:07:53,370 INFO L168 Benchmark]: RCFGBuilder took 351428.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.0 GB in the beginning and 898.3 MB in the end (delta: 150.1 MB). Peak memory consumption was 354.8 MB. Max. memory is 11.5 GB. [2019-12-01 20:07:53,370 INFO L168 Benchmark]: CodeCheck took 123487.13 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 712.5 MB). Free memory was 898.3 MB in the beginning and 1.3 GB in the end (delta: -382.6 MB). Peak memory consumption was 329.9 MB. Max. memory is 11.5 GB. [2019-12-01 20:07:53,370 INFO L168 Benchmark]: Witness Printer took 117.14 ms. Allocated memory is still 1.9 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-01 20:07:53,372 INFO L335 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. Result: SAFE, OverallTime: 122.9s, OverallIterations: 15, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 107796 SDtfs, 207278 SDslu, 150056 SDs, 0 SdLazy, 619850 SolverSat, 115976 SolverUnsat, 33792 SolverUnknown, 0 SolverNotchecked, 1049.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2808 GetRequests, 2402 SyntacticMatches, 168 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39330 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 96260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 14/468 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: 193]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((58 <= a12 || (!(a15 == 8) && a12 + 49 <= 0)) || (a12 + 43 <= 0 && a15 == 5)) || ((0 <= a12 + 49 && (((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input)) && a12 + 49 <= 0)) || (!(a15 == 5) && !(a12 + 49 <= 0))) || (!(a24 == 1) && a12 + 49 <= 0)) || !(a21 == 7) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((58 <= a12 || (a12 + 43 <= 0 && a15 == 5)) || (!(a15 == 8) && a12 + 49 < 0)) || (0 <= a12 + 49 && a12 + 49 <= 0)) || (!(a15 == 5) && !(a12 + 49 <= 0))) || !(a21 == 7)) || (!(a24 == 1) && a12 + 49 <= 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 954.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 443.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -130.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 351428.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.0 GB in the beginning and 898.3 MB in the end (delta: 150.1 MB). Peak memory consumption was 354.8 MB. Max. memory is 11.5 GB. * CodeCheck took 123487.13 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 712.5 MB). Free memory was 898.3 MB in the beginning and 1.3 GB in the end (delta: -382.6 MB). Peak memory consumption was 329.9 MB. Max. memory is 11.5 GB. * Witness Printer took 117.14 ms. Allocated memory is still 1.9 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...