./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label52_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label52_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/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 7ffb53c9aecdd47b554da9703b3c0d0eec59adb1 ..................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:33:44,675 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:33:44,677 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:33:44,686 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:33:44,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:33:44,687 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:33:44,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:33:44,689 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:33:44,690 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:33:44,690 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:33:44,691 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:33:44,691 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:33:44,692 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:33:44,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:33:44,693 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:33:44,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:33:44,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:33:44,698 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:33:44,699 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:33:44,701 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:33:44,701 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:33:44,703 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:33:44,705 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:33:44,705 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:33:44,705 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:33:44,706 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:33:44,707 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:33:44,707 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:33:44,708 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:33:44,709 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:33:44,709 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:33:44,709 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:33:44,710 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:33:44,710 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:33:44,710 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:33:44,711 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:33:44,711 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:33:44,724 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:33:44,724 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:33:44,725 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:33:44,725 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:33:44,726 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:33:44,726 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:33:44,726 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:33:44,726 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:33:44,726 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:33:44,726 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:33:44,727 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:33:44,727 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:33:44,727 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:33:44,727 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:33:44,727 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:33:44,727 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:33:44,727 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:33:44,727 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:33:44,728 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:33:44,728 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:33:44,728 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:33:44,728 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:33:44,728 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:33:44,728 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:33:44,728 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:33:44,728 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:33:44,728 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:33:44,729 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:33:44,729 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:33:44,729 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/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 -> 7ffb53c9aecdd47b554da9703b3c0d0eec59adb1 [2018-11-18 11:33:44,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:33:44,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:33:44,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:33:44,784 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:33:44,784 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:33:44,784 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label52_true-unreach-call.c [2018-11-18 11:33:44,829 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/ukojak/data/15b225f17/dc833b30b76d45a5a71f5ead61dc4a9b/FLAG4c499f991 [2018-11-18 11:33:45,276 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:33:45,282 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/sv-benchmarks/c/eca-rers2012/Problem10_label52_true-unreach-call.c [2018-11-18 11:33:45,312 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/ukojak/data/15b225f17/dc833b30b76d45a5a71f5ead61dc4a9b/FLAG4c499f991 [2018-11-18 11:33:45,595 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/ukojak/data/15b225f17/dc833b30b76d45a5a71f5ead61dc4a9b [2018-11-18 11:33:45,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:33:45,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:33:45,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:33:45,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:33:45,601 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:33:45,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:33:45" (1/1) ... [2018-11-18 11:33:45,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1d0f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:45, skipping insertion in model container [2018-11-18 11:33:45,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:33:45" (1/1) ... [2018-11-18 11:33:45,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:33:45,656 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:33:45,898 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:33:45,902 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:33:45,979 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:33:45,999 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:33:45,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:45 WrapperNode [2018-11-18 11:33:46,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:33:46,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:33:46,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:33:46,000 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:33:46,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:45" (1/1) ... [2018-11-18 11:33:46,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:45" (1/1) ... [2018-11-18 11:33:46,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:33:46,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:33:46,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:33:46,142 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:33:46,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:45" (1/1) ... [2018-11-18 11:33:46,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:45" (1/1) ... [2018-11-18 11:33:46,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:45" (1/1) ... [2018-11-18 11:33:46,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:45" (1/1) ... [2018-11-18 11:33:46,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:45" (1/1) ... [2018-11-18 11:33:46,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:45" (1/1) ... [2018-11-18 11:33:46,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:45" (1/1) ... [2018-11-18 11:33:46,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:33:46,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:33:46,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:33:46,190 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:33:46,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:33:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/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 [2018-11-18 11:33:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:33:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:33:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:34:57,369 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:34:57,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:34:57 BoogieIcfgContainer [2018-11-18 11:34:57,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:34:57,370 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:34:57,370 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:34:57,379 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:34:57,379 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:34:57" (1/1) ... [2018-11-18 11:34:57,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:34:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:34:57,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 11:34:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 11:34:57,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:34:57,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:34:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:34:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:34:57,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:34:57,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 11:34:57,756 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 11:34:57,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:34:57,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:34:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:34:58,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:34:58,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:34:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-11-18 11:34:58,568 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-11-18 11:34:58,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:34:58,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:34:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:34:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-11-18 11:35:00,113 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-11-18 11:35:00,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:35:00,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:00,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-11-18 11:35:00,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-11-18 11:35:00,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:35:00,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:01,443 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:35:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:02,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2018-11-18 11:35:02,456 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2018-11-18 11:35:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:35:02,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:03,076 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 11:35:24,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2018-11-18 11:35:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2018-11-18 11:35:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:35:24,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:25,536 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 11:35:26,104 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 22 [2018-11-18 11:35:26,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:26,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2018-11-18 11:35:26,355 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2018-11-18 11:35:26,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:35:26,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:27,044 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:35:27,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:27,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2018-11-18 11:35:27,327 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2018-11-18 11:35:27,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:35:27,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:35:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2018-11-18 11:35:28,445 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2018-11-18 11:35:28,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:35:28,445 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-18 11:35:28,455 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:35:28,689 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-18 11:35:28,698 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 11:35:28,699 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:35:28,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:35:28 ImpRootNode [2018-11-18 11:35:28,700 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:35:28,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:35:28,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:35:28,701 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:35:28,702 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:34:57" (3/4) ... [2018-11-18 11:35:28,705 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:35:28,722 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 11:35:28,723 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 11:35:28,724 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:35:28,725 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:35:28,839 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2447bec2-e9c1-4b33-aae2-9ada5811808c/bin-2019/ukojak/witness.graphml [2018-11-18 11:35:28,839 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:35:28,840 INFO L168 Benchmark]: Toolchain (without parser) took 103242.70 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 537.9 MB). Free memory was 945.0 MB in the beginning and 1.2 GB in the end (delta: -274.0 MB). Peak memory consumption was 263.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:28,841 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:35:28,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.56 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 912.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:28,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 912.8 MB in the beginning and 1.1 GB in the end (delta: -229.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:28,841 INFO L168 Benchmark]: Boogie Preprocessor took 47.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:28,842 INFO L168 Benchmark]: RCFGBuilder took 71179.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -122.2 MB). Peak memory consumption was 502.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:28,843 INFO L168 Benchmark]: CodeCheck took 31329.55 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 200.8 MB). Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 14.6 MB). Peak memory consumption was 215.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:28,844 INFO L168 Benchmark]: Witness Printer took 139.16 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:35:28,845 INFO L336 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, 207 locations, 1 error locations. SAFE Result, 31.0s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3792 SDtfs, 9656 SDslu, 9024 SDs, 0 SdLazy, 20864 SolverSat, 3112 SolverUnsat, 32 SolverUnknown, 0 SolverNotchecked, 85.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1756 GetRequests, 1518 SyntacticMatches, 110 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9823 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 41830 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 119/289 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 127]: 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 == 3) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && (39 <= a1 || a1 + 13 <= 0))) || ((!(a19 == 8) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((!(a10 == 3) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && ((38 < a1 || !(a19 == 8)) || a1 + 13 <= 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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 401.56 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 912.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 141.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 912.8 MB in the beginning and 1.1 GB in the end (delta: -229.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 71179.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -122.2 MB). Peak memory consumption was 502.0 MB. Max. memory is 11.5 GB. * CodeCheck took 31329.55 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 200.8 MB). Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 14.6 MB). Peak memory consumption was 215.4 MB. Max. memory is 11.5 GB. * Witness Printer took 139.16 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...