./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label08_true-unreach-call.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_075b92fa-fbf1-4396-804b-47a8d4375fb0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label08_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/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 5c83e6dcd4eaa7ff27477aff727a229790b16ec1 ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 04:07:38,104 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:07:38,105 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:07:38,114 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:07:38,114 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:07:38,115 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:07:38,116 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:07:38,117 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:07:38,119 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:07:38,120 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:07:38,120 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:07:38,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:07:38,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:07:38,122 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:07:38,123 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:07:38,123 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:07:38,124 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:07:38,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:07:38,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:07:38,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:07:38,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:07:38,129 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:07:38,131 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:07:38,131 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:07:38,132 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:07:38,132 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:07:38,133 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:07:38,134 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:07:38,134 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:07:38,135 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:07:38,135 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:07:38,136 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:07:38,136 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:07:38,136 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:07:38,137 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:07:38,137 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:07:38,138 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 04:07:38,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:07:38,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:07:38,149 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:07:38,149 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 04:07:38,150 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:07:38,150 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:07:38,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:07:38,150 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:07:38,150 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:07:38,150 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:07:38,151 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:07:38,151 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:07:38,151 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:07:38,151 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:07:38,151 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:07:38,151 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:07:38,151 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:07:38,151 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:07:38,152 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 04:07:38,152 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 04:07:38,152 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:07:38,152 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:07:38,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:07:38,152 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:07:38,153 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:07:38,153 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:07:38,153 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 04:07:38,153 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:07:38,153 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 04:07:38,153 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_075b92fa-fbf1-4396-804b-47a8d4375fb0/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 -> 5c83e6dcd4eaa7ff27477aff727a229790b16ec1 [2018-12-09 04:07:38,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:07:38,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:07:38,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:07:38,188 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:07:38,189 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:07:38,189 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label08_true-unreach-call.c [2018-12-09 04:07:38,233 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/bin-2019/ukojak/data/fd41e103f/d2dc6b9ab4654f22972aa9e97019e8da/FLAG85a9e6108 [2018-12-09 04:07:38,727 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:07:38,727 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/sv-benchmarks/c/eca-rers2012/Problem10_label08_true-unreach-call.c [2018-12-09 04:07:38,736 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/bin-2019/ukojak/data/fd41e103f/d2dc6b9ab4654f22972aa9e97019e8da/FLAG85a9e6108 [2018-12-09 04:07:38,746 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/bin-2019/ukojak/data/fd41e103f/d2dc6b9ab4654f22972aa9e97019e8da [2018-12-09 04:07:38,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:07:38,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:07:38,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:07:38,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:07:38,751 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:07:38,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:07:38" (1/1) ... [2018-12-09 04:07:38,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acabfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:38, skipping insertion in model container [2018-12-09 04:07:38,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:07:38" (1/1) ... [2018-12-09 04:07:38,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:07:38,780 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:07:38,949 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:07:38,951 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:07:39,036 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:07:39,045 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:07:39,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:39 WrapperNode [2018-12-09 04:07:39,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:07:39,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:07:39,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:07:39,046 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:07:39,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:39" (1/1) ... [2018-12-09 04:07:39,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:39" (1/1) ... [2018-12-09 04:07:39,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:07:39,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:07:39,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:07:39,099 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:07:39,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:39" (1/1) ... [2018-12-09 04:07:39,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:39" (1/1) ... [2018-12-09 04:07:39,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:39" (1/1) ... [2018-12-09 04:07:39,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:39" (1/1) ... [2018-12-09 04:07:39,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:39" (1/1) ... [2018-12-09 04:07:39,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:39" (1/1) ... [2018-12-09 04:07:39,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:39" (1/1) ... [2018-12-09 04:07:39,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:07:39,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:07:39,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:07:39,138 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:07:39,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:07:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/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 [2018-12-09 04:07:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:07:39,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:09:17,023 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:09:17,023 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 04:09:17,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:09:17 BoogieIcfgContainer [2018-12-09 04:09:17,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:09:17,024 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 04:09:17,024 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 04:09:17,030 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 04:09:17,031 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:09:17" (1/1) ... [2018-12-09 04:09:17,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:09:17,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:09:17,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 04:09:17,060 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 04:09:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 04:09:17,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:09:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:09:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:09:17,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 04:09:17,215 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 04:09:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 04:09:17,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:09:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:09:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:09:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-12-09 04:09:17,597 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-12-09 04:09:17,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 04:09:17,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:09:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:17,872 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:09:18,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:09:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2018-12-09 04:09:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2018-12-09 04:09:18,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 04:09:18,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:09:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:09:18,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:09:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2018-12-09 04:09:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2018-12-09 04:09:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 04:09:18,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:09:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:18,741 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 04:09:19,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:09:19,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2018-12-09 04:09:19,008 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2018-12-09 04:09:19,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 04:09:19,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:09:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 04:09:19,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:09:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-12-09 04:09:19,449 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-12-09 04:09:19,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 04:09:19,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:09:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:09:19,645 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 04:09:19,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:09:19,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 35 transitions. [2018-12-09 04:09:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 35 transitions. [2018-12-09 04:09:19,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 04:09:19,796 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-12-09 04:09:19,803 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 04:09:19,941 INFO L583 CodeCheckObserver]: Invariant with dag size 21 [2018-12-09 04:09:19,949 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-09 04:09:19,950 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:09:19,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:09:19 ImpRootNode [2018-12-09 04:09:19,951 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 04:09:19,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:09:19,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:09:19,951 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:09:19,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:09:17" (3/4) ... [2018-12-09 04:09:19,955 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 04:09:19,968 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 177 nodes and edges [2018-12-09 04:09:19,969 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 04:09:19,969 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 04:09:19,970 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 04:09:20,048 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_075b92fa-fbf1-4396-804b-47a8d4375fb0/bin-2019/ukojak/witness.graphml [2018-12-09 04:09:20,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:09:20,049 INFO L168 Benchmark]: Toolchain (without parser) took 101300.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 950.6 MB in the beginning and 828.2 MB in the end (delta: 122.4 MB). Peak memory consumption was 261.4 MB. Max. memory is 11.5 GB. [2018-12-09 04:09:20,050 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:09:20,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-12-09 04:09:20,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:09:20,051 INFO L168 Benchmark]: Boogie Preprocessor took 38.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 04:09:20,051 INFO L168 Benchmark]: RCFGBuilder took 97886.40 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 23.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.4 MB). Peak memory consumption was 335.5 MB. Max. memory is 11.5 GB. [2018-12-09 04:09:20,052 INFO L168 Benchmark]: CodeCheck took 2926.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.1 MB). Free memory was 1.0 GB in the beginning and 852.2 MB in the end (delta: 165.4 MB). Peak memory consumption was 177.5 MB. Max. memory is 11.5 GB. [2018-12-09 04:09:20,052 INFO L168 Benchmark]: Witness Printer took 97.72 ms. Allocated memory is still 1.2 GB. Free memory was 852.2 MB in the beginning and 828.2 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-12-09 04:09:20,054 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, 206 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 764 SDtfs, 1404 SDslu, 1016 SDs, 0 SdLazy, 3676 SolverSat, 532 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 907 GetRequests, 783 SyntacticMatches, 62 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2144 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 14940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 60/116 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: 124]: 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: ((!(a19 == 6) && a12 == 0) && a4 == 14) || (((!(a10 == 2) || 39 <= a1) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((!(a10 == 2) || 38 < a1) || !(a19 == 6)) || a1 + 13 <= 0) && a12 == 0) && a4 == 14 - 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 97886.40 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 23.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.4 MB). Peak memory consumption was 335.5 MB. Max. memory is 11.5 GB. * CodeCheck took 2926.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.1 MB). Free memory was 1.0 GB in the beginning and 852.2 MB in the end (delta: 165.4 MB). Peak memory consumption was 177.5 MB. Max. memory is 11.5 GB. * Witness Printer took 97.72 ms. Allocated memory is still 1.2 GB. Free memory was 852.2 MB in the beginning and 828.2 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...