./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label47.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label47.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/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 263f5bcc0dd18a6a1141604b5838ae66dccd2a0e .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 23:04:47,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 23:04:47,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 23:04:47,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 23:04:47,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 23:04:47,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 23:04:47,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 23:04:47,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 23:04:47,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 23:04:47,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 23:04:47,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 23:04:47,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 23:04:47,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 23:04:47,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 23:04:47,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 23:04:47,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 23:04:47,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 23:04:47,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 23:04:47,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 23:04:47,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 23:04:47,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 23:04:47,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 23:04:47,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 23:04:47,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 23:04:47,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 23:04:47,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 23:04:47,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 23:04:47,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 23:04:47,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 23:04:47,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 23:04:47,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 23:04:47,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 23:04:47,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 23:04:47,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 23:04:47,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 23:04:47,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 23:04:47,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 23:04:47,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 23:04:47,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 23:04:47,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 23:04:47,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 23:04:47,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 23:04:47,666 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 23:04:47,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 23:04:47,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 23:04:47,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 23:04:47,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 23:04:47,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 23:04:47,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 23:04:47,668 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 23:04:47,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 23:04:47,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 23:04:47,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 23:04:47,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 23:04:47,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 23:04:47,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 23:04:47,669 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 23:04:47,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 23:04:47,670 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 23:04:47,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 23:04:47,670 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 23:04:47,670 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 23:04:47,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 23:04:47,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 23:04:47,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 23:04:47,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 23:04:47,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 23:04:47,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 23:04:47,672 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 23:04:47,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 23:04:47,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 23:04:47,672 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_bc040cdd-81b3-48b0-8d53-6657555aef32/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 -> 263f5bcc0dd18a6a1141604b5838ae66dccd2a0e [2019-12-01 23:04:47,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 23:04:47,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 23:04:47,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 23:04:47,788 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 23:04:47,789 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 23:04:47,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label47.c [2019-12-01 23:04:47,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/bin/ukojak/data/4ceb9583c/170ce5c9f649430b89f71d5804dc79ff/FLAGa29b4b0a5 [2019-12-01 23:04:48,319 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 23:04:48,319 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/sv-benchmarks/c/eca-rers2012/Problem14_label47.c [2019-12-01 23:04:48,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/bin/ukojak/data/4ceb9583c/170ce5c9f649430b89f71d5804dc79ff/FLAGa29b4b0a5 [2019-12-01 23:04:48,337 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/bin/ukojak/data/4ceb9583c/170ce5c9f649430b89f71d5804dc79ff [2019-12-01 23:04:48,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 23:04:48,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 23:04:48,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 23:04:48,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 23:04:48,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 23:04:48,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:04:48" (1/1) ... [2019-12-01 23:04:48,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449728aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:48, skipping insertion in model container [2019-12-01 23:04:48,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:04:48" (1/1) ... [2019-12-01 23:04:48,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 23:04:48,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 23:04:48,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:04:48,650 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 23:04:48,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:04:48,731 INFO L208 MainTranslator]: Completed translation [2019-12-01 23:04:48,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:48 WrapperNode [2019-12-01 23:04:48,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 23:04:48,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 23:04:48,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 23:04:48,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 23:04:48,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:48" (1/1) ... [2019-12-01 23:04:48,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:48" (1/1) ... [2019-12-01 23:04:48,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 23:04:48,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 23:04:48,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 23:04:48,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 23:04:48,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:48" (1/1) ... [2019-12-01 23:04:48,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:48" (1/1) ... [2019-12-01 23:04:48,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:48" (1/1) ... [2019-12-01 23:04:48,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:48" (1/1) ... [2019-12-01 23:04:48,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:48" (1/1) ... [2019-12-01 23:04:48,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:48" (1/1) ... [2019-12-01 23:04:48,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:48" (1/1) ... [2019-12-01 23:04:48,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 23:04:48,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 23:04:48,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 23:04:48,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 23:04:48,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:04:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/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 [2019-12-01 23:04:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 23:04:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 23:09:14,431 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 23:09:14,431 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 23:09:14,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:09:14 BoogieIcfgContainer [2019-12-01 23:09:14,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 23:09:14,433 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 23:09:14,433 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 23:09:14,440 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 23:09:14,440 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:09:14" (1/1) ... [2019-12-01 23:09:14,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 23:09:14,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:09:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 23:09:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 23:09:14,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 23:09:14,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:09:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:09:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:09:14,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:09:14,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 23:09:14,649 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 23:09:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 23:09:14,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:09:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:09:15,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:09:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:09:15,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-01 23:09:15,564 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-01 23:09:15,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 23:09:15,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:09:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:09:16,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:09:27,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:09:27,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2019-12-01 23:09:27,134 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2019-12-01 23:09:27,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 23:09:27,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:09:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:09:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:09:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:09:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 32 states and 59 transitions. [2019-12-01 23:09:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 59 transitions. [2019-12-01 23:09:47,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 23:09:47,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:09:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:09:48,715 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:10:00,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:10:00,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 41 states and 86 transitions. [2019-12-01 23:10:00,557 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 86 transitions. [2019-12-01 23:10:00,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 23:10:00,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:10:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:10:01,070 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:10:01,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:10:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 90 transitions. [2019-12-01 23:10:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 90 transitions. [2019-12-01 23:10:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 23:10:01,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:10:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:10:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:10:03,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:10:03,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 41 states and 93 transitions. [2019-12-01 23:10:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 93 transitions. [2019-12-01 23:10:03,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 23:10:03,764 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2019-12-01 23:10:03,771 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 23:10:03,956 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2019-12-01 23:10:03,963 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2019-12-01 23:10:03,964 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 23:10:03,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:10:03 ImpRootNode [2019-12-01 23:10:03,964 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 23:10:03,965 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 23:10:03,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 23:10:03,965 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 23:10:03,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:09:14" (3/4) ... [2019-12-01 23:10:03,969 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 23:10:03,990 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2019-12-01 23:10:03,992 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-12-01 23:10:03,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 23:10:03,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 23:10:04,108 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bc040cdd-81b3-48b0-8d53-6657555aef32/bin/ukojak/witness.graphml [2019-12-01 23:10:04,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 23:10:04,110 INFO L168 Benchmark]: Toolchain (without parser) took 315769.07 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 351.3 MB). Free memory was 932.7 MB in the beginning and 868.0 MB in the end (delta: 64.7 MB). Peak memory consumption was 415.9 MB. Max. memory is 11.5 GB. [2019-12-01 23:10:04,110 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:10:04,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:10:04,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-01 23:10:04,111 INFO L168 Benchmark]: Boogie Preprocessor took 53.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-01 23:10:04,112 INFO L168 Benchmark]: RCFGBuilder took 265582.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 48.2 MB). Free memory was 1.0 GB in the beginning and 899.3 MB in the end (delta: 148.2 MB). Peak memory consumption was 352.8 MB. Max. memory is 11.5 GB. [2019-12-01 23:10:04,112 INFO L168 Benchmark]: CodeCheck took 49531.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 205.5 MB). Free memory was 899.3 MB in the beginning and 897.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 206.9 MB. Max. memory is 11.5 GB. [2019-12-01 23:10:04,113 INFO L168 Benchmark]: Witness Printer took 143.35 ms. Allocated memory is still 1.4 GB. Free memory was 897.9 MB in the beginning and 868.0 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-12-01 23:10:04,115 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 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 49.3s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 860 SDtfs, 1760 SDslu, 1208 SDs, 0 SdLazy, 5218 SolverSat, 770 SolverUnsat, 72 SolverUnknown, 0 SolverNotchecked, 166.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 999 GetRequests, 822 SyntacticMatches, 49 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9195 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 22132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/101 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: 103]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((!(a21 == 9) || 12 <= a12) || !(a15 == 7)) || a12 + 49 <= 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((!(a21 == 9) || 12 <= a12) || !(a15 == 7)) || a12 + 49 <= 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 265582.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 48.2 MB). Free memory was 1.0 GB in the beginning and 899.3 MB in the end (delta: 148.2 MB). Peak memory consumption was 352.8 MB. Max. memory is 11.5 GB. * CodeCheck took 49531.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 205.5 MB). Free memory was 899.3 MB in the beginning and 897.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 206.9 MB. Max. memory is 11.5 GB. * Witness Printer took 143.35 ms. Allocated memory is still 1.4 GB. Free memory was 897.9 MB in the beginning and 868.0 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...