./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/trex02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/trex02-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/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 07bb2313a3de352e598d6db901c754bf4b158c72 .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:15:37,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:15:37,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:15:37,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:15:37,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:15:37,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:15:37,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:15:37,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:15:37,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:15:37,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:15:37,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:15:37,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:15:37,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:15:37,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:15:37,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:15:37,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:15:37,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:15:37,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:15:37,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:15:37,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:15:37,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:15:37,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:15:37,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:15:37,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:15:37,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:15:37,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:15:37,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:15:37,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:15:37,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:15:37,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:15:37,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:15:37,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:15:37,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:15:37,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:15:37,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:15:37,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:15:37,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:15:37,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:15:37,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:15:37,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:15:37,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:15:37,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 02:15:37,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:15:37,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:15:37,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:15:37,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:15:37,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:15:37,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:15:37,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:15:37,641 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:15:37,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:15:37,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:15:37,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:15:37,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:15:37,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:15:37,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:15:37,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:15:37,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:15:37,643 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:15:37,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:15:37,643 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:15:37,643 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:15:37,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:15:37,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:15:37,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:15:37,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:15:37,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:15:37,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:15:37,645 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:15:37,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:15:37,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:15:37,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/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 -> 07bb2313a3de352e598d6db901c754bf4b158c72 [2019-11-20 02:15:37,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:15:37,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:15:37,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:15:37,862 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:15:37,862 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:15:37,863 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/ukojak/../../sv-benchmarks/c/loops/trex02-1.c [2019-11-20 02:15:37,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/ukojak/data/aa02942f6/253b88a16473452d9e5368aa0471f928/FLAGdf6ddeac5 [2019-11-20 02:15:38,324 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:15:38,326 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/sv-benchmarks/c/loops/trex02-1.c [2019-11-20 02:15:38,332 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/ukojak/data/aa02942f6/253b88a16473452d9e5368aa0471f928/FLAGdf6ddeac5 [2019-11-20 02:15:38,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/ukojak/data/aa02942f6/253b88a16473452d9e5368aa0471f928 [2019-11-20 02:15:38,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:15:38,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:15:38,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:15:38,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:15:38,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:15:38,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:15:38" (1/1) ... [2019-11-20 02:15:38,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774d25d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:38, skipping insertion in model container [2019-11-20 02:15:38,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:15:38" (1/1) ... [2019-11-20 02:15:38,792 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:15:38,806 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:15:38,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:15:38,944 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:15:39,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:15:39,043 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:15:39,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:39 WrapperNode [2019-11-20 02:15:39,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:15:39,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:15:39,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:15:39,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:15:39,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:39" (1/1) ... [2019-11-20 02:15:39,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:39" (1/1) ... [2019-11-20 02:15:39,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:15:39,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:15:39,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:15:39,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:15:39,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:39" (1/1) ... [2019-11-20 02:15:39,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:39" (1/1) ... [2019-11-20 02:15:39,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:39" (1/1) ... [2019-11-20 02:15:39,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:39" (1/1) ... [2019-11-20 02:15:39,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:39" (1/1) ... [2019-11-20 02:15:39,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:39" (1/1) ... [2019-11-20 02:15:39,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:39" (1/1) ... [2019-11-20 02:15:39,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:15:39,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:15:39,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:15:39,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:15:39,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/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 [2019-11-20 02:15:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-11-20 02:15:39,159 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-11-20 02:15:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:15:39,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:15:39,355 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:15:39,356 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 02:15:39,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:15:39 BoogieIcfgContainer [2019-11-20 02:15:39,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:15:39,357 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:15:39,357 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:15:39,368 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:15:39,368 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:15:39" (1/1) ... [2019-11-20 02:15:39,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:15:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:15:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-11-20 02:15:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-20 02:15:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 02:15:39,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:15:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:15:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:15:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:15:39,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2019-11-20 02:15:39,582 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-11-20 02:15:39,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:15:39,582 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2019-11-20 02:15:39,591 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 02:15:39,614 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:15:39,617 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:15:39,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:15:39 ImpRootNode [2019-11-20 02:15:39,618 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:15:39,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:15:39,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:15:39,618 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:15:39,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:15:39" (3/4) ... [2019-11-20 02:15:39,621 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:15:39,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2019-11-20 02:15:39,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-20 02:15:39,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 02:15:39,664 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7ae3d1a7-dbb2-46d9-b5d6-140ad907d932/bin/ukojak/witness.graphml [2019-11-20 02:15:39,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:15:39,666 INFO L168 Benchmark]: Toolchain (without parser) took 894.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:15:39,666 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:15:39,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -219.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:15:39,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:15:39,668 INFO L168 Benchmark]: Boogie Preprocessor took 15.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:15:39,669 INFO L168 Benchmark]: RCFGBuilder took 265.13 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:15:39,669 INFO L168 Benchmark]: CodeCheck took 260.71 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:15:39,669 INFO L168 Benchmark]: Witness Printer took 46.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:15:39,672 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 1 error locations. Result: SAFE, OverallTime: 0.1s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 5]: 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: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -219.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 265.13 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * CodeCheck took 260.71 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Witness Printer took 46.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...