./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label10.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_3d155d12-946f-4852-a982-e272ede9b38a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/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 96c689d8b65aac27592df43d0140c8853a936fe2 ............................................................................................................................................................................................................................................................................ 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 23:18:27,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 23:18:27,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 23:18:27,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 23:18:27,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 23:18:27,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 23:18:27,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 23:18:27,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 23:18:27,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 23:18:27,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 23:18:27,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 23:18:27,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 23:18:27,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 23:18:27,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 23:18:27,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 23:18:27,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 23:18:27,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 23:18:27,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 23:18:27,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 23:18:27,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 23:18:27,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 23:18:27,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 23:18:27,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 23:18:27,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 23:18:27,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 23:18:27,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 23:18:27,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 23:18:27,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 23:18:27,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 23:18:27,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 23:18:27,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 23:18:27,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 23:18:27,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 23:18:27,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 23:18:27,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 23:18:27,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 23:18:27,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 23:18:27,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 23:18:27,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 23:18:27,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 23:18:27,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 23:18:27,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 23:18:27,850 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 23:18:27,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 23:18:27,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 23:18:27,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 23:18:27,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 23:18:27,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 23:18:27,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 23:18:27,852 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 23:18:27,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 23:18:27,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 23:18:27,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 23:18:27,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 23:18:27,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 23:18:27,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 23:18:27,853 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 23:18:27,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 23:18:27,853 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 23:18:27,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 23:18:27,854 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 23:18:27,854 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 23:18:27,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 23:18:27,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 23:18:27,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 23:18:27,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 23:18:27,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 23:18:27,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 23:18:27,855 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 23:18:27,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 23:18:27,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 23:18:27,855 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_3d155d12-946f-4852-a982-e272ede9b38a/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 -> 96c689d8b65aac27592df43d0140c8853a936fe2 [2019-12-01 23:18:27,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 23:18:27,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 23:18:27,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 23:18:27,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 23:18:27,967 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 23:18:27,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label10.c [2019-12-01 23:18:28,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/bin/ukojak/data/8f9441c9c/e1dd3c8e5f6541dcb6ce824ef24e597c/FLAG392196b60 [2019-12-01 23:18:28,489 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 23:18:28,491 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/sv-benchmarks/c/eca-rers2012/Problem10_label10.c [2019-12-01 23:18:28,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/bin/ukojak/data/8f9441c9c/e1dd3c8e5f6541dcb6ce824ef24e597c/FLAG392196b60 [2019-12-01 23:18:28,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/bin/ukojak/data/8f9441c9c/e1dd3c8e5f6541dcb6ce824ef24e597c [2019-12-01 23:18:28,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 23:18:28,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 23:18:28,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 23:18:28,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 23:18:28,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 23:18:28,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:18:28" (1/1) ... [2019-12-01 23:18:28,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174ba895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:18:28, skipping insertion in model container [2019-12-01 23:18:28,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:18:28" (1/1) ... [2019-12-01 23:18:28,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 23:18:28,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 23:18:28,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:18:28,793 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 23:18:28,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:18:28,859 INFO L208 MainTranslator]: Completed translation [2019-12-01 23:18:28,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:18:28 WrapperNode [2019-12-01 23:18:28,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 23:18:28,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 23:18:28,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 23:18:28,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 23:18:28,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:18:28" (1/1) ... [2019-12-01 23:18:28,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:18:28" (1/1) ... [2019-12-01 23:18:28,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 23:18:28,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 23:18:28,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 23:18:28,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 23:18:28,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:18:28" (1/1) ... [2019-12-01 23:18:28,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:18:28" (1/1) ... [2019-12-01 23:18:28,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:18:28" (1/1) ... [2019-12-01 23:18:28,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:18:28" (1/1) ... [2019-12-01 23:18:28,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:18:28" (1/1) ... [2019-12-01 23:18:28,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:18:28" (1/1) ... [2019-12-01 23:18:28,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:18:28" (1/1) ... [2019-12-01 23:18:28,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 23:18:28,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 23:18:28,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 23:18:28,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 23:18:28,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:18:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/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 23:18:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 23:18:29,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 23:20:05,070 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 23:20:05,071 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 23:20:05,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:05 BoogieIcfgContainer [2019-12-01 23:20:05,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 23:20:05,072 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 23:20:05,072 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 23:20:05,080 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 23:20:05,080 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:05" (1/1) ... [2019-12-01 23:20:05,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 23:20:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 23:20:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 23:20:05,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 23:20:05,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:05,236 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 23:20:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 23:20:05,297 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 23:20:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 23:20:05,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:05,555 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 23:20:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-01 23:20:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-01 23:20:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 23:20:05,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:06,360 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 23:20:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:07,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 30 states and 61 transitions. [2019-12-01 23:20:07,323 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 61 transitions. [2019-12-01 23:20:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 23:20:07,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:07,543 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 23:20:07,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 33 states and 68 transitions. [2019-12-01 23:20:07,829 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 68 transitions. [2019-12-01 23:20:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 23:20:07,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:08,449 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:20:09,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:09,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 43 states and 98 transitions. [2019-12-01 23:20:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 98 transitions. [2019-12-01 23:20:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 23:20:09,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:10,317 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:20:11,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 50 states and 111 transitions. [2019-12-01 23:20:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 111 transitions. [2019-12-01 23:20:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 23:20:11,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:20:12,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:12,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 53 states and 113 transitions. [2019-12-01 23:20:12,015 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 113 transitions. [2019-12-01 23:20:12,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 23:20:12,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:12,315 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:20:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 54 states and 113 transitions. [2019-12-01 23:20:12,575 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2019-12-01 23:20:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 23:20:12,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:20:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:20:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 23:20:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:20:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 28 states and 58 transitions. [2019-12-01 23:20:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 58 transitions. [2019-12-01 23:20:22,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 23:20:22,227 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2019-12-01 23:20:22,240 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 23:20:22,433 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2019-12-01 23:20:22,592 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2019-12-01 23:20:22,846 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2019-12-01 23:20:23,060 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2019-12-01 23:20:23,062 INFO L569 CodeCheckObserver]: Invariant with dag size 25 [2019-12-01 23:20:23,079 INFO L569 CodeCheckObserver]: Invariant with dag size 27 [2019-12-01 23:20:23,081 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 23:20:23,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:20:23 ImpRootNode [2019-12-01 23:20:23,083 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 23:20:23,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 23:20:23,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 23:20:23,084 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 23:20:23,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:05" (3/4) ... [2019-12-01 23:20:23,088 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 23:20:23,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-12-01 23:20:23,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 23:20:23,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 23:20:23,114 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 23:20:23,211 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3d155d12-946f-4852-a982-e272ede9b38a/bin/ukojak/witness.graphml [2019-12-01 23:20:23,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 23:20:23,212 INFO L168 Benchmark]: Toolchain (without parser) took 114700.46 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 935.5 MB in the beginning and 835.0 MB in the end (delta: 100.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2019-12-01 23:20:23,213 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:20:23,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-01 23:20:23,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.76 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-01 23:20:23,214 INFO L168 Benchmark]: Boogie Preprocessor took 49.38 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:20:23,214 INFO L168 Benchmark]: RCFGBuilder took 96104.04 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.6 MB). Peak memory consumption was 325.3 MB. Max. memory is 11.5 GB. [2019-12-01 23:20:23,215 INFO L168 Benchmark]: CodeCheck took 18010.87 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 901.3 MB). Free memory was 1.0 GB in the beginning and 866.7 MB in the end (delta: 168.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2019-12-01 23:20:23,215 INFO L168 Benchmark]: Witness Printer took 127.95 ms. Allocated memory is still 2.1 GB. Free memory was 866.7 MB in the beginning and 835.0 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2019-12-01 23:20:23,217 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: 17.1s, OverallIterations: 10, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3416 SDtfs, 7244 SDslu, 4784 SDs, 0 SdLazy, 24384 SolverSat, 3084 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1411 GetRequests, 1201 SyntacticMatches, 68 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10352 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 19572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 60/143 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: 148]: 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: 582]: Loop Invariant Derived loop invariant: ((((a10 == 1 || a10 <= 0) && 14 == a4) && a12 == 0) || (((a1 <= 218 || 3 <= a10) && 14 == a4) && a12 == 0)) || ((!(a19 == 6) && 14 == a4) && a12 == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((14 == a4 && ((!(a10 == 2) || !(a19 == 6)) || (38 < a1 && a1 <= 218))) && a12 == 0) || ((14 == a4 && a12 == 0) && a1 + 45481 <= 0) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.76 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.38 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 96104.04 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.6 MB). Peak memory consumption was 325.3 MB. Max. memory is 11.5 GB. * CodeCheck took 18010.87 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 901.3 MB). Free memory was 1.0 GB in the beginning and 866.7 MB in the end (delta: 168.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 127.95 ms. Allocated memory is still 2.1 GB. Free memory was 866.7 MB in the beginning and 835.0 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...