./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i --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_b4cbd94a-08d4-45c1-bd18-381806894d61/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/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 8538ad1ae962a1ba831f755fb5c2de9d27f82db5 ..................................................................................................................................................................................................................................................... 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 16:47:19,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:47:19,116 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:47:19,122 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:47:19,123 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:47:19,123 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:47:19,124 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:47:19,125 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:47:19,126 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:47:19,127 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:47:19,127 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:47:19,128 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:47:19,128 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:47:19,129 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:47:19,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:47:19,130 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:47:19,130 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:47:19,131 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:47:19,132 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:47:19,133 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:47:19,134 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:47:19,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:47:19,136 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:47:19,136 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:47:19,137 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:47:19,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:47:19,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:47:19,138 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:47:19,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:47:19,139 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:47:19,140 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:47:19,140 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:47:19,140 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:47:19,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:47:19,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:47:19,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:47:19,142 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:47:19,150 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:47:19,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:47:19,151 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:47:19,151 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:47:19,151 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:47:19,151 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:47:19,151 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:47:19,152 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:47:19,152 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:47:19,152 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:47:19,152 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:47:19,152 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:47:19,152 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:47:19,152 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:47:19,153 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:47:19,153 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:47:19,153 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:47:19,153 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:47:19,153 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:47:19,153 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:47:19,153 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:47:19,153 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:47:19,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:47:19,154 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:47:19,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:47:19,154 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:47:19,154 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:47:19,154 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:47:19,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:47:19,155 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_b4cbd94a-08d4-45c1-bd18-381806894d61/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 -> 8538ad1ae962a1ba831f755fb5c2de9d27f82db5 [2018-11-18 16:47:19,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:47:19,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:47:19,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:47:19,190 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:47:19,191 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:47:19,191 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/bin-2019/ukojak/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-11-18 16:47:19,233 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/bin-2019/ukojak/data/be7b83d96/2f2a3c5fbdbd4a2c9ea79d381bfd3174/FLAG2ba782aad [2018-11-18 16:47:19,633 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:47:19,633 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-11-18 16:47:19,637 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/bin-2019/ukojak/data/be7b83d96/2f2a3c5fbdbd4a2c9ea79d381bfd3174/FLAG2ba782aad [2018-11-18 16:47:19,647 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/bin-2019/ukojak/data/be7b83d96/2f2a3c5fbdbd4a2c9ea79d381bfd3174 [2018-11-18 16:47:19,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:47:19,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:47:19,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:47:19,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:47:19,655 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:47:19,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:47:19" (1/1) ... [2018-11-18 16:47:19,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:47:19, skipping insertion in model container [2018-11-18 16:47:19,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:47:19" (1/1) ... [2018-11-18 16:47:19,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:47:19,682 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:47:19,794 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:47:19,796 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:47:19,808 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:47:19,819 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:47:19,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:47:19 WrapperNode [2018-11-18 16:47:19,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:47:19,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:47:19,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:47:19,820 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:47:19,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:47:19" (1/1) ... [2018-11-18 16:47:19,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:47:19" (1/1) ... [2018-11-18 16:47:19,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:47:19,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:47:19,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:47:19,843 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:47:19,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:47:19" (1/1) ... [2018-11-18 16:47:19,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:47:19" (1/1) ... [2018-11-18 16:47:19,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:47:19" (1/1) ... [2018-11-18 16:47:19,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:47:19" (1/1) ... [2018-11-18 16:47:19,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:47:19" (1/1) ... [2018-11-18 16:47:19,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:47:19" (1/1) ... [2018-11-18 16:47:19,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:47:19" (1/1) ... [2018-11-18 16:47:19,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:47:19,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:47:19,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:47:19,894 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:47:19,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:47:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/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 16:47:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:47:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:47:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:47:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 16:47:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 16:47:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 16:47:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:47:20,084 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:47:20,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:47:20 BoogieIcfgContainer [2018-11-18 16:47:20,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:47:20,085 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:47:20,085 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:47:20,091 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:47:20,091 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:47:20" (1/1) ... [2018-11-18 16:47:20,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:47:20,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:47:20,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-11-18 16:47:20,122 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-11-18 16:47:20,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 16:47:20,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:47:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:47:20,289 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 16:47:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:47:20,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 29 transitions. [2018-11-18 16:47:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-18 16:47:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 16:47:20,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:47:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:47:20,452 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 16:47:20,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:47:20,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 33 transitions. [2018-11-18 16:47:20,588 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2018-11-18 16:47:20,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 16:47:20,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:47:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:47:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:47:21,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:47:21,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 31 transitions. [2018-11-18 16:47:21,096 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2018-11-18 16:47:21,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:47:21,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:47:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:47:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:47:22,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:47:22,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 26 states and 32 transitions. [2018-11-18 16:47:22,423 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2018-11-18 16:47:22,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 16:47:22,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:47:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:47:28,864 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:47:50,752 WARN L180 SmtUtils]: Spent 10.49 s on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2018-11-18 16:48:01,308 WARN L180 SmtUtils]: Spent 10.25 s on a formula simplification that was a NOOP. DAG size: 57 [2018-11-18 16:48:10,018 WARN L180 SmtUtils]: Spent 4.38 s on a formula simplification that was a NOOP. DAG size: 62 [2018-11-18 16:48:23,884 WARN L180 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 55 [2018-11-18 16:49:01,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:49:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 32 states and 43 transitions. [2018-11-18 16:49:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2018-11-18 16:49:01,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 16:49:01,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:49:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:49:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:49:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:49:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 21 states and 26 transitions. [2018-11-18 16:49:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-11-18 16:49:13,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:49:13,786 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-18 16:49:13,793 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 16:49:13,875 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:49:13,877 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:49:13,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:49:13 ImpRootNode [2018-11-18 16:49:13,878 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:49:13,878 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:49:13,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:49:13,879 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:49:13,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:47:20" (3/4) ... [2018-11-18 16:49:13,882 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:49:13,887 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 16:49:13,890 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-18 16:49:13,891 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 16:49:13,891 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 16:49:13,891 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 16:49:13,927 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b4cbd94a-08d4-45c1-bd18-381806894d61/bin-2019/ukojak/witness.graphml [2018-11-18 16:49:13,927 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:49:13,930 INFO L168 Benchmark]: Toolchain (without parser) took 114279.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 960.3 MB in the beginning and 948.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:49:13,930 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:49:13,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.72 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:49:13,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:49:13,931 INFO L168 Benchmark]: Boogie Preprocessor took 51.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:49:13,931 INFO L168 Benchmark]: RCFGBuilder took 191.15 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: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:49:13,932 INFO L168 Benchmark]: CodeCheck took 113792.78 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -34.1 MB). Free memory was 1.1 GB in the beginning and 952.9 MB in the end (delta: 161.6 MB). Peak memory consumption was 127.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:49:13,932 INFO L168 Benchmark]: Witness Printer took 51.13 ms. Allocated memory is still 1.1 GB. Free memory was 952.9 MB in the beginning and 948.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:49:13,935 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 2 procedures, 21 locations, 1 error locations. SAFE Result, 113.6s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 472 SDtfs, 424 SDslu, 368 SDs, 0 SdLazy, 1826 SolverSat, 560 SolverUnsat, 14 SolverUnknown, 0 SolverNotchecked, 81.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 871 GetRequests, 766 SyntacticMatches, 33 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2544 ImplicationChecksByTransitivity, 65.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 29612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 46/52 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: 12]: 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: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.72 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.73 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 191.15 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: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * CodeCheck took 113792.78 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -34.1 MB). Free memory was 1.1 GB in the beginning and 952.9 MB in the end (delta: 161.6 MB). Peak memory consumption was 127.5 MB. Max. memory is 11.5 GB. * Witness Printer took 51.13 ms. Allocated memory is still 1.1 GB. Free memory was 952.9 MB in the beginning and 948.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...