./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label21_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_0b2af394-6072-40ea-a483-48e6b9b8af05/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label21_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/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 9affa82f51321a26e1ff4ceb2134487588896d81 ................................................................................................................................................................................................................................................................................... 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 06:39:35,640 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:39:35,642 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:39:35,651 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:39:35,651 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:39:35,652 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:39:35,653 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:39:35,654 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:39:35,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:39:35,656 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:39:35,657 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:39:35,657 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:39:35,658 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:39:35,659 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:39:35,660 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:39:35,660 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:39:35,661 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:39:35,662 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:39:35,664 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:39:35,665 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:39:35,666 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:39:35,667 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:39:35,668 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:39:35,669 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:39:35,669 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:39:35,670 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:39:35,670 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:39:35,671 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:39:35,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:39:35,672 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:39:35,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:39:35,673 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:39:35,673 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:39:35,673 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:39:35,674 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:39:35,675 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:39:35,675 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 06:39:35,686 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:39:35,686 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:39:35,687 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:39:35,687 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 06:39:35,687 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:39:35,688 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:39:35,688 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:39:35,688 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:39:35,688 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:39:35,688 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:39:35,688 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:39:35,688 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:39:35,689 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:39:35,689 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:39:35,689 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:39:35,689 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:39:35,689 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:39:35,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:39:35,689 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 06:39:35,690 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 06:39:35,691 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:39:35,691 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:39:35,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:39:35,691 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:39:35,691 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:39:35,692 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:39:35,692 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 06:39:35,692 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:39:35,692 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:39:35,692 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_0b2af394-6072-40ea-a483-48e6b9b8af05/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 -> 9affa82f51321a26e1ff4ceb2134487588896d81 [2018-11-23 06:39:35,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:39:35,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:39:35,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:39:35,732 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:39:35,733 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:39:35,733 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-11-23 06:39:35,782 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/bin-2019/ukojak/data/591b4275c/e760c4ef243d4a07aec4fa16e5c614de/FLAGd0cf840cb [2018-11-23 06:39:36,184 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:39:36,185 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/sv-benchmarks/c/eca-rers2012/Problem10_label21_true-unreach-call.c [2018-11-23 06:39:36,195 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/bin-2019/ukojak/data/591b4275c/e760c4ef243d4a07aec4fa16e5c614de/FLAGd0cf840cb [2018-11-23 06:39:36,545 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/bin-2019/ukojak/data/591b4275c/e760c4ef243d4a07aec4fa16e5c614de [2018-11-23 06:39:36,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:39:36,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:39:36,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:39:36,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:39:36,551 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:39:36,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:39:36" (1/1) ... [2018-11-23 06:39:36,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703e8e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:36, skipping insertion in model container [2018-11-23 06:39:36,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:39:36" (1/1) ... [2018-11-23 06:39:36,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:39:36,598 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:39:36,876 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:39:36,879 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:39:36,951 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:39:36,962 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:39:36,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:36 WrapperNode [2018-11-23 06:39:36,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:39:36,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:39:36,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:39:36,964 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:39:37,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:36" (1/1) ... [2018-11-23 06:39:37,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:36" (1/1) ... [2018-11-23 06:39:37,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:39:37,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:39:37,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:39:37,080 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:39:37,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:36" (1/1) ... [2018-11-23 06:39:37,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:36" (1/1) ... [2018-11-23 06:39:37,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:36" (1/1) ... [2018-11-23 06:39:37,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:36" (1/1) ... [2018-11-23 06:39:37,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:36" (1/1) ... [2018-11-23 06:39:37,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:36" (1/1) ... [2018-11-23 06:39:37,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:36" (1/1) ... [2018-11-23 06:39:37,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:39:37,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:39:37,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:39:37,135 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:39:37,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/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 06:39:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:39:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:39:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:40:33,759 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:40:33,760 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 06:40:33,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:40:33 BoogieIcfgContainer [2018-11-23 06:40:33,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:40:33,760 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 06:40:33,761 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 06:40:33,767 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 06:40:33,768 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:40:33" (1/1) ... [2018-11-23 06:40:33,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:40:33,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 06:40:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 06:40:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 06:40:33,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:33,980 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 06:40:34,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:34,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 06:40:34,083 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 06:40:34,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 06:40:34,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:34,467 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 06:40:35,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:35,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-11-23 06:40:35,642 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-11-23 06:40:35,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:40:35,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:36,067 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 06:40:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2018-11-23 06:40:38,611 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2018-11-23 06:40:38,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:40:38,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:38,858 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 06:40:39,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:39,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2018-11-23 06:40:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2018-11-23 06:40:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:40:39,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:39,359 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 06:40:39,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:39,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2018-11-23 06:40:39,474 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2018-11-23 06:40:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:40:39,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:40,360 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 06:40:41,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2018-11-23 06:40:41,530 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2018-11-23 06:40:41,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:40:41,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:41,921 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 06:40:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 84 transitions. [2018-11-23 06:40:42,227 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 84 transitions. [2018-11-23 06:40:42,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:40:42,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:42,664 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 06:40:42,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2018-11-23 06:40:42,823 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2018-11-23 06:40:42,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:40:42,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:43,170 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 06:40:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:43,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2018-11-23 06:40:43,349 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2018-11-23 06:40:43,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:40:43,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:43,698 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 06:40:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:43,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2018-11-23 06:40:43,847 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2018-11-23 06:40:43,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 06:40:43,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 06:40:44,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:44,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2018-11-23 06:40:44,504 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2018-11-23 06:40:44,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:40:44,504 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-11-23 06:40:44,511 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 06:40:44,746 INFO L579 CodeCheckObserver]: Invariant with dag size 28 [2018-11-23 06:40:44,756 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-23 06:40:44,757 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 06:40:44,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 06:40:44 ImpRootNode [2018-11-23 06:40:44,758 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 06:40:44,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:40:44,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:40:44,758 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:40:44,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:40:33" (3/4) ... [2018-11-23 06:40:44,763 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:40:44,781 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-23 06:40:44,782 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 06:40:44,783 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 06:40:44,784 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:40:44,901 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b2af394-6072-40ea-a483-48e6b9b8af05/bin-2019/ukojak/witness.graphml [2018-11-23 06:40:44,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:40:44,902 INFO L168 Benchmark]: Toolchain (without parser) took 68354.36 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 524.8 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -358.0 MB). Peak memory consumption was 166.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:40:44,903 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:40:44,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.57 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:40:44,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 918.9 MB in the beginning and 1.2 GB in the end (delta: -233.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:40:44,904 INFO L168 Benchmark]: Boogie Preprocessor took 55.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:40:44,904 INFO L168 Benchmark]: RCFGBuilder took 56624.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -81.4 MB). Peak memory consumption was 461.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:40:44,905 INFO L168 Benchmark]: CodeCheck took 10997.26 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 166.7 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -111.6 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:40:44,905 INFO L168 Benchmark]: Witness Printer took 143.24 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:40:44,907 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, 10.7s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12304 SDtfs, 24408 SDslu, 16416 SDs, 0 SdLazy, 73392 SolverSat, 9240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1629 GetRequests, 1414 SyntacticMatches, 93 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7286 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 23028 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 44/174 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: 85]: 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 == 8 || 9 <= a19) || (((a1 <= 38 || 219 <= a1) && a12 == 0) && a4 == 14)) || ((a12 == 0 && a4 == 14) && !(a10 == 0))) || ((!(a19 == 7) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a19 == 8 || 9 <= a19) || (((((a1 <= 38 || 218 < a1) || !(a19 == 7)) || !(a10 == 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 414.57 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 918.9 MB in the beginning and 1.2 GB in the end (delta: -233.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 56624.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -81.4 MB). Peak memory consumption was 461.9 MB. Max. memory is 11.5 GB. * CodeCheck took 10997.26 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 166.7 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -111.6 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * Witness Printer took 143.24 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...