./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/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 d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:04:49,792 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:04:49,793 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:04:49,802 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:04:49,802 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:04:49,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:04:49,804 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:04:49,805 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:04:49,806 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:04:49,807 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:04:49,808 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:04:49,808 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:04:49,808 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:04:49,809 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:04:49,810 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:04:49,810 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:04:49,811 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:04:49,813 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:04:49,814 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:04:49,815 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:04:49,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:04:49,817 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:04:49,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:04:49,818 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:04:49,819 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:04:49,819 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:04:49,820 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:04:49,821 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:04:49,821 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:04:49,822 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:04:49,822 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:04:49,823 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:04:49,823 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:04:49,823 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:04:49,824 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:04:49,825 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:04:49,825 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:04:49,836 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:04:49,836 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:04:49,836 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:04:49,837 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:04:49,837 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:04:49,837 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:04:49,837 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:04:49,837 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:04:49,838 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:04:49,838 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:04:49,838 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:04:49,838 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:04:49,838 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:04:49,838 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:04:49,838 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:04:49,838 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:04:49,839 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:04:49,839 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:04:49,839 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:04:49,839 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:04:49,839 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:04:49,841 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:04:49,841 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:04:49,841 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:04:49,842 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:04:49,842 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:04:49,842 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:04:49,842 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:04:49,842 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_f6665601-13ae-4a15-94fa-77d37f2dd615/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 -> d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc [2018-10-27 00:04:49,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:04:49,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:04:49,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:04:49,894 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:04:49,894 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:04:49,896 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-10-27 00:04:49,939 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/bin-2019/ukojak/data/349f95643/ff4146ec009b437ca9f6c24e739dd77e/FLAG44823692b [2018-10-27 00:04:50,370 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:04:50,371 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-10-27 00:04:50,390 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/bin-2019/ukojak/data/349f95643/ff4146ec009b437ca9f6c24e739dd77e/FLAG44823692b [2018-10-27 00:04:50,401 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/bin-2019/ukojak/data/349f95643/ff4146ec009b437ca9f6c24e739dd77e [2018-10-27 00:04:50,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:04:50,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:04:50,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:04:50,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:04:50,409 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:04:50,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:04:50" (1/1) ... [2018-10-27 00:04:50,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd452e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:04:50, skipping insertion in model container [2018-10-27 00:04:50,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:04:50" (1/1) ... [2018-10-27 00:04:50,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:04:50,472 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:04:50,823 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:04:50,827 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:04:50,924 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:04:50,937 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:04:50,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:04:50 WrapperNode [2018-10-27 00:04:50,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:04:50,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:04:50,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:04:50,938 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:04:50,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:04:50" (1/1) ... [2018-10-27 00:04:50,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:04:50" (1/1) ... [2018-10-27 00:04:51,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:04:51,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:04:51,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:04:51,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:04:51,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:04:50" (1/1) ... [2018-10-27 00:04:51,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:04:50" (1/1) ... [2018-10-27 00:04:51,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:04:50" (1/1) ... [2018-10-27 00:04:51,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:04:50" (1/1) ... [2018-10-27 00:04:51,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:04:50" (1/1) ... [2018-10-27 00:04:51,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:04:50" (1/1) ... [2018-10-27 00:04:51,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:04:50" (1/1) ... [2018-10-27 00:04:51,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:04:51,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:04:51,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:04:51,198 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:04:51,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:04:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/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 [2018-10-27 00:04:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-27 00:04:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:04:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:08:07,343 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:08:07,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:08:07 BoogieIcfgContainer [2018-10-27 00:08:07,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:08:07,345 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:08:07,345 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:08:07,354 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:08:07,354 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:08:07" (1/1) ... [2018-10-27 00:08:07,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:08:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:07,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-10-27 00:08:07,402 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-10-27 00:08:07,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 00:08:07,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:07,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:19,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-27 00:08:19,401 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-27 00:08:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 00:08:19,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:20,264 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 17 [2018-10-27 00:08:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:20,620 WARN L179 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2018-10-27 00:08:20,972 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-27 00:08:21,607 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-10-27 00:08:21,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:21,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-10-27 00:08:21,670 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-10-27 00:08:21,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 00:08:21,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:23,287 WARN L179 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-10-27 00:08:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:24,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:24,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2018-10-27 00:08:24,071 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2018-10-27 00:08:24,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 00:08:24,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2018-10-27 00:08:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2018-10-27 00:08:27,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 00:08:27,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:30,794 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:30,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-10-27 00:08:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-10-27 00:08:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 00:08:30,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:33,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:33,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2018-10-27 00:08:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2018-10-27 00:08:33,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:08:33,777 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-10-27 00:08:33,783 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:08:34,077 INFO L582 CodeCheckObserver]: Invariant with dag size 27 [2018-10-27 00:08:34,087 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-10-27 00:08:34,087 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:08:34,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:08:34 ImpRootNode [2018-10-27 00:08:34,088 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:08:34,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:08:34,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:08:34,089 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:08:34,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:08:07" (3/4) ... [2018-10-27 00:08:34,094 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:08:34,115 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-10-27 00:08:34,116 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-27 00:08:34,117 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-27 00:08:34,118 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 00:08:34,256 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6665601-13ae-4a15-94fa-77d37f2dd615/bin-2019/ukojak/witness.graphml [2018-10-27 00:08:34,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:08:34,257 INFO L168 Benchmark]: Toolchain (without parser) took 223852.72 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 640.7 MB). Free memory was 958.0 MB in the beginning and 1.5 GB in the end (delta: -519.4 MB). Peak memory consumption was 121.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:34,258 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:08:34,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.53 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 917.8 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:34,258 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 917.8 MB in the beginning and 1.2 GB in the end (delta: -251.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:34,258 INFO L168 Benchmark]: Boogie Preprocessor took 64.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:34,259 INFO L168 Benchmark]: RCFGBuilder took 196146.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 165.7 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 84.5 MB). Peak memory consumption was 549.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:34,259 INFO L168 Benchmark]: CodeCheck took 26743.58 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 293.6 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -429.0 MB). Peak memory consumption was 560.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:34,261 INFO L168 Benchmark]: Witness Printer took 168.16 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:34,262 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, 246 locations, 1 error locations. SAFE Result, 26.4s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 980 SDslu, 976 SDs, 0 SdLazy, 1910 SolverSat, 286 SolverUnsat, 32 SolverUnknown, 0 SolverNotchecked, 71.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 831 GetRequests, 710 SyntacticMatches, 61 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2817 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 23390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/98 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: 175]: 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 == 7 && !(a21 == 7)) || a12 <= 80) || ((!(a24 == 1) || !(a15 == 7)) && (((!(a15 == 9) || !(a21 == 6)) || a12 <= 300040) || !(a24 == 1))) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a12 <= 80 || !(a24 == 1)) || !(a15 == 7)) || !(a21 == 7)) && (((!(a15 == 9) || !(a21 == 6)) || a12 <= 300040) || !(a24 == 1)) - 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 531.53 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 917.8 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 194.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 917.8 MB in the beginning and 1.2 GB in the end (delta: -251.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 196146.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 165.7 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 84.5 MB). Peak memory consumption was 549.7 MB. Max. memory is 11.5 GB. * CodeCheck took 26743.58 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 293.6 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -429.0 MB). Peak memory consumption was 560.9 MB. Max. memory is 11.5 GB. * Witness Printer took 168.16 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...