./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label30.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_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c -s /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/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 0c753c50fbbea6d96623e9d43fa767a4dff8ad3c ...................................................................................................................................................................................................................................................................................................... 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 21:06:50,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 21:06:50,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 21:06:50,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 21:06:50,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 21:06:50,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 21:06:50,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 21:06:50,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 21:06:50,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 21:06:50,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 21:06:50,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 21:06:50,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 21:06:50,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 21:06:50,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 21:06:50,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 21:06:50,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 21:06:50,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 21:06:50,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 21:06:50,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 21:06:50,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 21:06:50,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 21:06:50,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 21:06:50,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 21:06:50,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 21:06:50,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 21:06:50,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 21:06:50,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 21:06:50,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 21:06:50,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 21:06:50,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 21:06:50,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 21:06:50,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 21:06:50,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 21:06:50,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 21:06:50,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 21:06:50,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 21:06:50,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 21:06:50,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 21:06:50,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 21:06:50,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 21:06:50,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 21:06:50,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 21:06:50,648 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 21:06:50,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 21:06:50,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 21:06:50,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 21:06:50,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 21:06:50,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 21:06:50,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 21:06:50,650 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 21:06:50,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 21:06:50,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 21:06:50,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 21:06:50,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 21:06:50,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 21:06:50,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 21:06:50,651 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 21:06:50,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 21:06:50,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 21:06:50,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 21:06:50,652 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 21:06:50,652 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 21:06:50,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 21:06:50,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 21:06:50,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 21:06:50,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 21:06:50,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 21:06:50,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 21:06:50,653 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 21:06:50,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 21:06:50,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 21:06:50,654 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_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/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 -> 0c753c50fbbea6d96623e9d43fa767a4dff8ad3c [2019-12-01 21:06:50,754 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 21:06:50,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 21:06:50,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 21:06:50,767 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 21:06:50,767 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 21:06:50,768 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2019-12-01 21:06:50,805 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/bin/ukojak/data/3d76ac540/6d5226bc125045b28a3b17267fa5f2a9/FLAG1634dbcd1 [2019-12-01 21:06:51,289 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 21:06:51,289 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2019-12-01 21:06:51,298 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/bin/ukojak/data/3d76ac540/6d5226bc125045b28a3b17267fa5f2a9/FLAG1634dbcd1 [2019-12-01 21:06:51,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/bin/ukojak/data/3d76ac540/6d5226bc125045b28a3b17267fa5f2a9 [2019-12-01 21:06:51,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 21:06:51,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 21:06:51,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 21:06:51,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 21:06:51,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 21:06:51,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:06:51" (1/1) ... [2019-12-01 21:06:51,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4b1094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:06:51, skipping insertion in model container [2019-12-01 21:06:51,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:06:51" (1/1) ... [2019-12-01 21:06:51,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 21:06:51,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 21:06:51,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:06:51,632 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 21:06:51,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:06:51,714 INFO L208 MainTranslator]: Completed translation [2019-12-01 21:06:51,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:06:51 WrapperNode [2019-12-01 21:06:51,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 21:06:51,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 21:06:51,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 21:06:51,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 21:06:51,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:06:51" (1/1) ... [2019-12-01 21:06:51,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:06:51" (1/1) ... [2019-12-01 21:06:51,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 21:06:51,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 21:06:51,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 21:06:51,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 21:06:51,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:06:51" (1/1) ... [2019-12-01 21:06:51,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:06:51" (1/1) ... [2019-12-01 21:06:51,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:06:51" (1/1) ... [2019-12-01 21:06:51,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:06:51" (1/1) ... [2019-12-01 21:06:51,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:06:51" (1/1) ... [2019-12-01 21:06:51,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:06:51" (1/1) ... [2019-12-01 21:06:51,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:06:51" (1/1) ... [2019-12-01 21:06:51,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 21:06:51,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 21:06:51,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 21:06:51,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 21:06:51,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:06:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/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 21:06:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 21:06:51,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 21:12:14,561 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 21:12:14,561 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 21:12:14,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:12:14 BoogieIcfgContainer [2019-12-01 21:12:14,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 21:12:14,562 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 21:12:14,563 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 21:12:14,569 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 21:12:14,569 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:12:14" (1/1) ... [2019-12-01 21:12:14,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 21:12:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:12:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 21:12:14,598 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 21:12:14,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 21:12:14,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:12:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:12:14,709 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 21:12:14,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:12:14,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 21:12:14,794 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 21:12:14,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 21:12:14,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:12:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:12:15,122 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 21:12:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:12:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-01 21:12:15,388 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-01 21:12:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 21:12:15,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:12:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:12:16,082 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 21:12:16,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:12:16,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2019-12-01 21:12:16,694 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2019-12-01 21:12:16,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 21:12:16,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:12:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:12:17,075 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 21:12:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:12:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2019-12-01 21:12:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2019-12-01 21:12:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 21:12:27,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:12:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:12:27,602 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 21:12:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:12:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2019-12-01 21:12:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2019-12-01 21:12:27,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 21:12:27,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:12:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:12:28,623 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 21:12:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:12:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2019-12-01 21:12:59,736 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2019-12-01 21:12:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 21:12:59,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:12:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:13:00,272 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 21:13:00,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:13:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions. [2019-12-01 21:13:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2019-12-01 21:13:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 21:13:00,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:13:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:13:01,531 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 21:13:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:13:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 96 transitions. [2019-12-01 21:13:02,030 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2019-12-01 21:13:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 21:13:02,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:13:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:13:03,244 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 21:13:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:13:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 111 transitions. [2019-12-01 21:13:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2019-12-01 21:13:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 21:13:24,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:13:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:13:25,653 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 21:13:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:13:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2019-12-01 21:13:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2019-12-01 21:13:26,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 21:13:26,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:13:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:13:27,382 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 21:13:27,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:13:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 123 transitions. [2019-12-01 21:13:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 123 transitions. [2019-12-01 21:13:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 21:13:27,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:13:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:13:29,205 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:13:29,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:13:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2019-12-01 21:13:29,783 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2019-12-01 21:13:29,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 21:13:29,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:13:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:13:31,018 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:13:31,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:13:31,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 60 states and 122 transitions. [2019-12-01 21:13:31,337 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 122 transitions. [2019-12-01 21:13:31,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 21:13:31,338 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2019-12-01 21:13:31,346 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 21:13:31,460 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2019-12-01 21:13:31,714 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2019-12-01 21:13:31,715 INFO L569 CodeCheckObserver]: Invariant with dag size 34 [2019-12-01 21:13:31,724 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-12-01 21:13:31,725 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 21:13:31,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 09:13:31 ImpRootNode [2019-12-01 21:13:31,725 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 21:13:31,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 21:13:31,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 21:13:31,726 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 21:13:31,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:12:14" (3/4) ... [2019-12-01 21:13:31,728 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 21:13:31,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2019-12-01 21:13:31,747 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-12-01 21:13:31,749 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 21:13:31,750 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 21:13:31,842 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_04bd49a5-6c8a-4203-8f27-a9ce88d2eec8/bin/ukojak/witness.graphml [2019-12-01 21:13:31,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 21:13:31,843 INFO L168 Benchmark]: Toolchain (without parser) took 400529.80 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 722.5 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 525.8 MB. Max. memory is 11.5 GB. [2019-12-01 21:13:31,843 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 21:13:31,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-12-01 21:13:31,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.86 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 21:13:31,844 INFO L168 Benchmark]: Boogie Preprocessor took 51.31 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-12-01 21:13:31,845 INFO L168 Benchmark]: RCFGBuilder took 322736.49 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.7 MB). Free memory was 1.0 GB in the beginning and 896.3 MB in the end (delta: 150.5 MB). Peak memory consumption was 346.1 MB. Max. memory is 11.5 GB. [2019-12-01 21:13:31,845 INFO L168 Benchmark]: CodeCheck took 77162.93 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 574.1 MB). Free memory was 896.3 MB in the beginning and 1.2 GB in the end (delta: -277.1 MB). Peak memory consumption was 297.0 MB. Max. memory is 11.5 GB. [2019-12-01 21:13:31,845 INFO L168 Benchmark]: Witness Printer took 116.57 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-12-01 21:13:31,847 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: 76.7s, OverallIterations: 14, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 53088 SDtfs, 101882 SDslu, 73408 SDs, 0 SdLazy, 330246 SolverSat, 54112 SolverUnsat, 1856 SolverUnknown, 0 SolverNotchecked, 450.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2239 GetRequests, 1923 SyntacticMatches, 146 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22818 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 64732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 8/314 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: 133]: 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: ((((((((!(a24 == 1) && (a12 <= 11 || 80 < a12)) || a21 == 6) || ((a12 <= 11 || 80 < a12) && !(a21 == 7))) || a21 == 10) || a21 == 8) || 82 <= a12) || a12 + 49 <= 0) || a21 == 9) || !(a15 == 6) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((a21 == 6 || a21 == 10) || a21 == 8) || 80 < a12) || a12 <= 11) || a21 == 9) || !(a15 == 6) - 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.86 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 51.31 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322736.49 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.7 MB). Free memory was 1.0 GB in the beginning and 896.3 MB in the end (delta: 150.5 MB). Peak memory consumption was 346.1 MB. Max. memory is 11.5 GB. * CodeCheck took 77162.93 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 574.1 MB). Free memory was 896.3 MB in the beginning and 1.2 GB in the end (delta: -277.1 MB). Peak memory consumption was 297.0 MB. Max. memory is 11.5 GB. * Witness Printer took 116.57 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...