./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/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 6e679f9bfc379fa4fbede70512fc16896a5c333e ........................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:41:22,553 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:41:22,554 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:41:22,561 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:41:22,561 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:41:22,562 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:41:22,562 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:41:22,564 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:41:22,565 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:41:22,565 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:41:22,566 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:41:22,566 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:41:22,567 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:41:22,567 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:41:22,568 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:41:22,568 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:41:22,569 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:41:22,570 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:41:22,571 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:41:22,572 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:41:22,573 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:41:22,574 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:41:22,576 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:41:22,576 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:41:22,576 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:41:22,577 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:41:22,577 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:41:22,578 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:41:22,578 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:41:22,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:41:22,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:41:22,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:41:22,580 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:41:22,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:41:22,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:41:22,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:41:22,581 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 07:41:22,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:41:22,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:41:22,592 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:41:22,592 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 07:41:22,593 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:41:22,593 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:41:22,593 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:41:22,593 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:41:22,593 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:41:22,593 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:41:22,593 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:41:22,594 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:41:22,594 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:41:22,594 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:41:22,594 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:41:22,594 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:41:22,594 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:41:22,594 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:41:22,594 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 07:41:22,595 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 07:41:22,595 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:41:22,595 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:41:22,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 07:41:22,595 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:41:22,595 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:41:22,595 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:41:22,595 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 07:41:22,596 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:41:22,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:41:22,596 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_2f6d68e8-f47f-44a1-bd61-754a33efea5f/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 -> 6e679f9bfc379fa4fbede70512fc16896a5c333e [2018-11-23 07:41:22,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:41:22,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:41:22,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:41:22,630 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:41:22,630 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:41:22,631 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-11-23 07:41:22,666 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/bin-2019/ukojak/data/cd0edc1dc/e394e736a44443bb8e663e0d69ef21ed/FLAG573c4b8f1 [2018-11-23 07:41:23,148 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:41:23,148 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-11-23 07:41:23,158 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/bin-2019/ukojak/data/cd0edc1dc/e394e736a44443bb8e663e0d69ef21ed/FLAG573c4b8f1 [2018-11-23 07:41:23,647 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/bin-2019/ukojak/data/cd0edc1dc/e394e736a44443bb8e663e0d69ef21ed [2018-11-23 07:41:23,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:41:23,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:41:23,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:41:23,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:41:23,652 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:41:23,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:41:23" (1/1) ... [2018-11-23 07:41:23,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213ccf52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:41:23, skipping insertion in model container [2018-11-23 07:41:23,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:41:23" (1/1) ... [2018-11-23 07:41:23,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:41:23,694 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:41:23,927 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:41:23,930 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:41:24,000 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:41:24,012 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:41:24,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:41:24 WrapperNode [2018-11-23 07:41:24,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:41:24,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:41:24,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:41:24,014 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:41:24,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:41:24" (1/1) ... [2018-11-23 07:41:24,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:41:24" (1/1) ... [2018-11-23 07:41:24,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:41:24,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:41:24,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:41:24,129 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:41:24,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:41:24" (1/1) ... [2018-11-23 07:41:24,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:41:24" (1/1) ... [2018-11-23 07:41:24,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:41:24" (1/1) ... [2018-11-23 07:41:24,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:41:24" (1/1) ... [2018-11-23 07:41:24,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:41:24" (1/1) ... [2018-11-23 07:41:24,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:41:24" (1/1) ... [2018-11-23 07:41:24,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:41:24" (1/1) ... [2018-11-23 07:41:24,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:41:24,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:41:24,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:41:24,177 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:41:24,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:41:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/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 [2018-11-23 07:41:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 07:41:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:41:24,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:42:35,198 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:42:35,199 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 07:42:35,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:42:35 BoogieIcfgContainer [2018-11-23 07:42:35,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:42:35,199 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 07:42:35,199 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 07:42:35,206 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 07:42:35,206 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:42:35" (1/1) ... [2018-11-23 07:42:35,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:42:35,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:42:35,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 07:42:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 07:42:35,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 07:42:35,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:42:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:42:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:42:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:42:35,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 07:42:35,436 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 07:42:35,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 07:42:35,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:42:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:42:35,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:42:35,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:42:35,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-11-23 07:42:35,911 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-11-23 07:42:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 07:42:35,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:42:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:42:36,326 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:42:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:42:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2018-11-23 07:42:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2018-11-23 07:42:36,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 07:42:36,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:42:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:42:37,186 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:42:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:42:37,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2018-11-23 07:42:37,336 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2018-11-23 07:42:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:42:37,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:42:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:42:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:42:59,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:42:59,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2018-11-23 07:42:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2018-11-23 07:42:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:42:59,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:42:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:42:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:42:59,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:42:59,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2018-11-23 07:42:59,468 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2018-11-23 07:42:59,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:42:59,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:42:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:42:59,709 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:42:59,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:42:59,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2018-11-23 07:42:59,837 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2018-11-23 07:42:59,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 07:42:59,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:42:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:43:00,878 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 07:43:01,265 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2018-11-23 07:43:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:43:01,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2018-11-23 07:43:01,888 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2018-11-23 07:43:01,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:43:01,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 07:43:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:43:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 07:43:02,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 07:43:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2018-11-23 07:43:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2018-11-23 07:43:02,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:43:02,855 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-23 07:43:02,861 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 07:43:03,059 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2018-11-23 07:43:03,287 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2018-11-23 07:43:03,288 INFO L579 CodeCheckObserver]: Invariant with dag size 39 [2018-11-23 07:43:03,297 INFO L579 CodeCheckObserver]: Invariant with dag size 57 [2018-11-23 07:43:03,298 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 07:43:03,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 07:43:03 ImpRootNode [2018-11-23 07:43:03,298 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 07:43:03,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:43:03,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:43:03,299 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:43:03,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:42:35" (3/4) ... [2018-11-23 07:43:03,302 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:43:03,316 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-23 07:43:03,317 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 07:43:03,318 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:43:03,318 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:43:03,397 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2f6d68e8-f47f-44a1-bd61-754a33efea5f/bin-2019/ukojak/witness.graphml [2018-11-23 07:43:03,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:43:03,398 INFO L168 Benchmark]: Toolchain (without parser) took 99748.34 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 505.4 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -322.0 MB). Peak memory consumption was 183.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:43:03,398 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:43:03,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.99 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:43:03,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 924.4 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:43:03,399 INFO L168 Benchmark]: Boogie Preprocessor took 47.47 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:43:03,399 INFO L168 Benchmark]: RCFGBuilder took 71022.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 109.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -45.7 MB). Peak memory consumption was 349.8 MB. Max. memory is 11.5 GB. [2018-11-23 07:43:03,399 INFO L168 Benchmark]: CodeCheck took 28098.96 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 267.9 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -140.1 MB). Peak memory consumption was 127.8 MB. Max. memory is 11.5 GB. [2018-11-23 07:43:03,400 INFO L168 Benchmark]: Witness Printer took 98.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:43:03,401 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, 27.6s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3204 SDtfs, 6422 SDslu, 4360 SDs, 0 SdLazy, 17620 SolverSat, 2906 SolverUnsat, 64 SolverUnknown, 0 SolverNotchecked, 105.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1343 GetRequests, 1169 SyntacticMatches, 66 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6469 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 24704 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 56/177 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: 142]: 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 == 7 && (a10 == 2 || a10 == 0)) || ((a12 == 0 && a4 == 14) && 9 <= a19)) || (!(!(a19 == 10) && a10 == 2) && (a10 == 2 || a10 == 0))) || ((a12 == 0 && !(a10 == 1)) && a4 == 14)) || (((a10 == 2 || (a12 == 0 && a4 == 14)) && !(a19 == 7)) && a19 < 9)) || ((a12 == 0 && a4 == 14) && 0 <= a1 + 12) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((!(a19 == 7) || 0 < a1 + 13) || !(a10 == 1)) && a12 == 0) && a4 == 14) && !(a19 == 8 || 9 <= a19)) || ((!((!(a19 == 10) && a10 == 2) && 9 <= a19) && (a10 == 2 || a10 == 0)) && !(a12 == 0 && a4 == 14))) || (((a12 == 0 && 0 < a1 + 13) && ((((2 == input || 4 == input) || 3 == input) || 6 == input) || 5 == input)) && a4 == 14)) || ((((a19 == 8 || 9 <= a19) && a12 == 0) && a4 == 14) && !(((a1 <= 38 && a19 == 9) && a10 == 0) && 0 < a1 + 13)) - 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.99 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 924.4 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.47 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 71022.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 109.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -45.7 MB). Peak memory consumption was 349.8 MB. Max. memory is 11.5 GB. * CodeCheck took 28098.96 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 267.9 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -140.1 MB). Peak memory consumption was 127.8 MB. Max. memory is 11.5 GB. * Witness Printer took 98.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...