./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.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_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/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 c8a6493762f89d18a23d3a0b9dc19677bd5f4752 .......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 03:19:26,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 03:19:26,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 03:19:26,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 03:19:26,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 03:19:26,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 03:19:26,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 03:19:26,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 03:19:26,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 03:19:26,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 03:19:26,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 03:19:26,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 03:19:26,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 03:19:26,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 03:19:26,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 03:19:26,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 03:19:26,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 03:19:26,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 03:19:26,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 03:19:26,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 03:19:26,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 03:19:26,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 03:19:26,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 03:19:26,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 03:19:26,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 03:19:26,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 03:19:26,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 03:19:26,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 03:19:26,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 03:19:26,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 03:19:26,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 03:19:26,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 03:19:26,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 03:19:26,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 03:19:26,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 03:19:26,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 03:19:26,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 03:19:26,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 03:19:26,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 03:19:26,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 03:19:26,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 03:19:26,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 03:19:26,779 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 03:19:26,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 03:19:26,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 03:19:26,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 03:19:26,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 03:19:26,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 03:19:26,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 03:19:26,781 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 03:19:26,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 03:19:26,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 03:19:26,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 03:19:26,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 03:19:26,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 03:19:26,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 03:19:26,782 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 03:19:26,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 03:19:26,782 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 03:19:26,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 03:19:26,783 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 03:19:26,783 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 03:19:26,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 03:19:26,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 03:19:26,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 03:19:26,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 03:19:26,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 03:19:26,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 03:19:26,784 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 03:19:26,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 03:19:26,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 03:19:26,784 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_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/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 -> c8a6493762f89d18a23d3a0b9dc19677bd5f4752 [2019-12-02 03:19:26,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 03:19:26,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 03:19:26,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 03:19:26,906 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 03:19:26,906 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 03:19:26,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/bin/ukojak/../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-12-02 03:19:26,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/bin/ukojak/data/a38b659ef/8609efcf127248c28d4a34480a70a22f/FLAG6e44735ef [2019-12-02 03:19:27,345 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 03:19:27,346 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-12-02 03:19:27,351 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/bin/ukojak/data/a38b659ef/8609efcf127248c28d4a34480a70a22f/FLAG6e44735ef [2019-12-02 03:19:27,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/bin/ukojak/data/a38b659ef/8609efcf127248c28d4a34480a70a22f [2019-12-02 03:19:27,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 03:19:27,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 03:19:27,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 03:19:27,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 03:19:27,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 03:19:27,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:27" (1/1) ... [2019-12-02 03:19:27,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce49fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:27, skipping insertion in model container [2019-12-02 03:19:27,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:27" (1/1) ... [2019-12-02 03:19:27,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 03:19:27,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 03:19:27,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 03:19:27,489 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 03:19:27,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 03:19:27,546 INFO L208 MainTranslator]: Completed translation [2019-12-02 03:19:27,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:27 WrapperNode [2019-12-02 03:19:27,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 03:19:27,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 03:19:27,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 03:19:27,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 03:19:27,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:27" (1/1) ... [2019-12-02 03:19:27,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:27" (1/1) ... [2019-12-02 03:19:27,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 03:19:27,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 03:19:27,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 03:19:27,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 03:19:27,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:27" (1/1) ... [2019-12-02 03:19:27,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:27" (1/1) ... [2019-12-02 03:19:27,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:27" (1/1) ... [2019-12-02 03:19:27,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:27" (1/1) ... [2019-12-02 03:19:27,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:27" (1/1) ... [2019-12-02 03:19:27,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:27" (1/1) ... [2019-12-02 03:19:27,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:27" (1/1) ... [2019-12-02 03:19:27,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 03:19:27,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 03:19:27,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 03:19:27,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 03:19:27,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/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 [2019-12-02 03:19:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 03:19:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 03:19:27,734 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 03:19:27,734 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-02 03:19:27,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:27 BoogieIcfgContainer [2019-12-02 03:19:27,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 03:19:27,735 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 03:19:27,735 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 03:19:27,742 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 03:19:27,742 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:27" (1/1) ... [2019-12-02 03:19:27,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 03:19:27,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:19:27,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2019-12-02 03:19:27,770 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-12-02 03:19:27,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 03:19:27,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:19:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:19:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:19:27,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:19:27,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2019-12-02 03:19:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2019-12-02 03:19:27,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 03:19:27,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:19:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:19:27,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:19:28,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:19:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2019-12-02 03:19:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2019-12-02 03:19:28,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 03:19:28,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:19:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:19:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:19:28,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:19:28,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2019-12-02 03:19:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2019-12-02 03:19:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 03:19:28,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:19:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:19:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:19:28,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:19:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2019-12-02 03:19:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2019-12-02 03:19:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 03:19:28,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:19:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:19:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:19:28,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:19:28,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2019-12-02 03:19:28,522 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2019-12-02 03:19:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 03:19:28,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:19:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:19:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:19:28,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:19:28,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2019-12-02 03:19:28,706 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2019-12-02 03:19:28,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 03:19:28,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:19:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:19:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:19:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:19:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2019-12-02 03:19:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2019-12-02 03:19:28,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 03:19:28,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:19:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:19:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:19:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:19:29,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2019-12-02 03:19:29,161 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2019-12-02 03:19:29,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 03:19:29,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:19:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:19:29,220 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:19:29,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:19:29,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2019-12-02 03:19:29,395 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2019-12-02 03:19:29,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 03:19:29,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:19:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:19:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:19:29,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:19:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2019-12-02 03:19:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2019-12-02 03:19:29,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 03:19:29,633 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2019-12-02 03:19:29,639 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 03:19:29,723 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:19:29,726 INFO L569 CodeCheckObserver]: Invariant with dag size 31 [2019-12-02 03:19:29,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:19:29 ImpRootNode [2019-12-02 03:19:29,732 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 03:19:29,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 03:19:29,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 03:19:29,733 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 03:19:29,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:27" (3/4) ... [2019-12-02 03:19:29,735 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 03:19:29,742 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-02 03:19:29,742 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 03:19:29,775 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f1c5fe83-5afb-4f40-84f2-9d8ac086f47a/bin/ukojak/witness.graphml [2019-12-02 03:19:29,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 03:19:29,777 INFO L168 Benchmark]: Toolchain (without parser) took 2412.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 946.2 MB in the beginning and 947.0 MB in the end (delta: -758.6 kB). Peak memory consumption was 91.0 MB. Max. memory is 11.5 GB. [2019-12-02 03:19:29,777 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 03:19:29,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-02 03:19:29,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 03:19:29,778 INFO L168 Benchmark]: Boogie Preprocessor took 10.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 03:19:29,778 INFO L168 Benchmark]: RCFGBuilder took 152.48 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-12-02 03:19:29,779 INFO L168 Benchmark]: CodeCheck took 1997.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.7 MB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. [2019-12-02 03:19:29,779 INFO L168 Benchmark]: Witness Printer took 43.04 ms. Allocated memory is still 1.1 GB. Free memory was 948.7 MB in the beginning and 947.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-02 03:19:29,781 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, 11 locations, 1 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5632 SDtfs, 5116 SDslu, 7160 SDs, 0 SdLazy, 19946 SolverSat, 7674 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1433 GetRequests, 1256 SyntacticMatches, 117 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 17190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/330 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: 52]: 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: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((main__x + 51 <= main__y || main__x + 60 <= 4 * main__y) || main__x + 53 <= 2 * main__y) || main__x + 71 <= 6 * main__y) || main__x + 86 <= 8 * main__y) || main__x + 105 <= 10 * main__y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 152.48 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 1997.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.7 MB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. * Witness Printer took 43.04 ms. Allocated memory is still 1.1 GB. Free memory was 948.7 MB in the beginning and 947.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...