./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/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 e2b1b3074ba1970495a934bff93d8ae3ffe89d9a .................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:48:25,731 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:48:25,732 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:48:25,738 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:48:25,738 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:48:25,739 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:48:25,740 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:48:25,741 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:48:25,742 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:48:25,742 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:48:25,743 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:48:25,743 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:48:25,744 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:48:25,744 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:48:25,745 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:48:25,745 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:48:25,745 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:48:25,746 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:48:25,747 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:48:25,748 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:48:25,748 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:48:25,749 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:48:25,751 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:48:25,751 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:48:25,751 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:48:25,752 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:48:25,752 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:48:25,752 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:48:25,753 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:48:25,753 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:48:25,753 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:48:25,754 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:48:25,754 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:48:25,754 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:48:25,754 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:48:25,755 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:48:25,755 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 13:48:25,761 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:48:25,762 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:48:25,762 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:48:25,762 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:48:25,763 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:48:25,763 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:48:25,763 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:48:25,763 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:48:25,763 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:48:25,763 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:48:25,763 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:48:25,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:48:25,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:48:25,764 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:48:25,764 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:48:25,764 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:48:25,764 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:48:25,765 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:48:25,765 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:48:25,765 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:48:25,765 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:48:25,765 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:48:25,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:48:25,766 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:48:25,766 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:48:25,766 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:48:25,766 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 13:48:25,766 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:48:25,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:48:25,766 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_df385045-6958-441c-bb75-d643e9f1e12a/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 -> e2b1b3074ba1970495a934bff93d8ae3ffe89d9a [2018-12-08 13:48:25,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:48:25,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:48:25,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:48:25,803 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:48:25,804 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:48:25,804 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-12-08 13:48:25,842 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/bin-2019/ukojak/data/fb94c8f6d/59bdf1f19cce4969a4c0158e2b317c81/FLAG6ceabb0b6 [2018-12-08 13:48:26,239 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:48:26,240 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-12-08 13:48:26,248 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/bin-2019/ukojak/data/fb94c8f6d/59bdf1f19cce4969a4c0158e2b317c81/FLAG6ceabb0b6 [2018-12-08 13:48:26,591 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/bin-2019/ukojak/data/fb94c8f6d/59bdf1f19cce4969a4c0158e2b317c81 [2018-12-08 13:48:26,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:48:26,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:48:26,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:48:26,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:48:26,603 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:48:26,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:48:26" (1/1) ... [2018-12-08 13:48:26,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a03fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:48:26, skipping insertion in model container [2018-12-08 13:48:26,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:48:26" (1/1) ... [2018-12-08 13:48:26,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:48:26,683 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:48:26,891 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:48:26,894 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:48:26,998 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:48:27,007 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:48:27,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:48:27 WrapperNode [2018-12-08 13:48:27,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:48:27,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:48:27,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:48:27,008 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:48:27,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:48:27" (1/1) ... [2018-12-08 13:48:27,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:48:27" (1/1) ... [2018-12-08 13:48:27,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:48:27,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:48:27,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:48:27,069 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:48:27,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:48:27" (1/1) ... [2018-12-08 13:48:27,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:48:27" (1/1) ... [2018-12-08 13:48:27,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:48:27" (1/1) ... [2018-12-08 13:48:27,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:48:27" (1/1) ... [2018-12-08 13:48:27,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:48:27" (1/1) ... [2018-12-08 13:48:27,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:48:27" (1/1) ... [2018-12-08 13:48:27,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:48:27" (1/1) ... [2018-12-08 13:48:27,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:48:27,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:48:27,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:48:27,126 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:48:27,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:48:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/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 [2018-12-08 13:48:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:48:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:51:58,043 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:51:58,044 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 13:51:58,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:51:58 BoogieIcfgContainer [2018-12-08 13:51:58,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:51:58,044 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:51:58,044 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:51:58,051 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:51:58,051 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:51:58" (1/1) ... [2018-12-08 13:51:58,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:51:58,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:51:58,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 13:51:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 13:51:58,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:51:58,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:51:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:51:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:51:58,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:51:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-08 13:51:58,216 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-08 13:51:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 13:51:58,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:51:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:51:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:51:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:51:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-12-08 13:51:58,823 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-12-08 13:51:58,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:51:58,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:51:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:51:59,277 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2018-12-08 13:51:59,587 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:52:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:52:10,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2018-12-08 13:52:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2018-12-08 13:52:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:52:10,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:52:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:52:10,696 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:52:20,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:52:20,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2018-12-08 13:52:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2018-12-08 13:52:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:52:20,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:52:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:52:21,567 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:53:03,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:53:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 39 states and 89 transitions. [2018-12-08 13:53:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 89 transitions. [2018-12-08 13:53:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:53:03,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:53:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:53:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:53:03,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:53:03,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 41 states and 98 transitions. [2018-12-08 13:53:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 98 transitions. [2018-12-08 13:53:03,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:53:03,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:53:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:53:03,829 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:53:03,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:53:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 42 states and 98 transitions. [2018-12-08 13:53:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 98 transitions. [2018-12-08 13:53:03,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 13:53:03,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:53:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:53:05,033 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 13:53:05,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:53:05,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 45 states and 104 transitions. [2018-12-08 13:53:05,463 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 104 transitions. [2018-12-08 13:53:05,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 13:53:05,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:53:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:53:06,148 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 13:53:06,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:53:06,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 39 states and 95 transitions. [2018-12-08 13:53:06,293 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 95 transitions. [2018-12-08 13:53:06,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 13:53:06,294 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-12-08 13:53:06,300 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 13:53:06,462 INFO L583 CodeCheckObserver]: Invariant with dag size 14 [2018-12-08 13:53:06,469 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-08 13:53:06,470 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:53:06,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:53:06 ImpRootNode [2018-12-08 13:53:06,470 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:53:06,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:53:06,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:53:06,471 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:53:06,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:51:58" (3/4) ... [2018-12-08 13:53:06,474 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 13:53:06,486 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-08 13:53:06,486 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-08 13:53:06,487 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 13:53:06,488 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 13:53:06,561 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_df385045-6958-441c-bb75-d643e9f1e12a/bin-2019/ukojak/witness.graphml [2018-12-08 13:53:06,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:53:06,561 INFO L168 Benchmark]: Toolchain (without parser) took 279965.91 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 433.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). Peak memory consumption was 304.3 MB. Max. memory is 11.5 GB. [2018-12-08 13:53:06,562 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:53:06,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-12-08 13:53:06,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.29 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: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:53:06,563 INFO L168 Benchmark]: Boogie Preprocessor took 56.06 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-08 13:53:06,563 INFO L168 Benchmark]: RCFGBuilder took 210918.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.9 MB). Peak memory consumption was 432.5 MB. Max. memory is 11.5 GB. [2018-12-08 13:53:06,563 INFO L168 Benchmark]: CodeCheck took 68425.79 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 199.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -52.7 MB). Peak memory consumption was 146.5 MB. Max. memory is 11.5 GB. [2018-12-08 13:53:06,564 INFO L168 Benchmark]: Witness Printer took 90.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:53:06,565 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, 245 locations, 1 error locations. SAFE Result, 68.2s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3116 SDtfs, 6758 SDslu, 4184 SDs, 0 SdLazy, 21816 SolverSat, 2658 SolverUnsat, 320 SolverUnknown, 0 SolverNotchecked, 334.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1436 GetRequests, 1222 SyntacticMatches, 86 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11093 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 40788 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 8/158 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: 100]: 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: 880]: Loop Invariant Derived loop invariant: (!(a15 == 6) || !(a21 == 10)) || 0 <= a12 + 42 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (!(a15 == 6) || 0 < a12 + 43) || !(a21 == 10) - 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 409.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.29 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: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.06 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 210918.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.9 MB). Peak memory consumption was 432.5 MB. Max. memory is 11.5 GB. * CodeCheck took 68425.79 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 199.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -52.7 MB). Peak memory consumption was 146.5 MB. Max. memory is 11.5 GB. * Witness Printer took 90.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...