./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i --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_a9b74eb7-f1a7-4903-a245-f4e740637f39/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/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 8538ad1ae962a1ba831f755fb5c2de9d27f82db5 ...................................................................................................................................................................................................................................................................... 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 02:54:01,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 02:54:01,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 02:54:01,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 02:54:01,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 02:54:01,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 02:54:01,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 02:54:01,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 02:54:01,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 02:54:01,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 02:54:01,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 02:54:01,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 02:54:01,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 02:54:01,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 02:54:01,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 02:54:01,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 02:54:01,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 02:54:01,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 02:54:01,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 02:54:01,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 02:54:01,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 02:54:01,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 02:54:01,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 02:54:01,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 02:54:01,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 02:54:01,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 02:54:01,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 02:54:01,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 02:54:01,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 02:54:01,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 02:54:01,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 02:54:01,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 02:54:01,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 02:54:01,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 02:54:01,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 02:54:01,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 02:54:01,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 02:54:01,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 02:54:01,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 02:54:01,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 02:54:01,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 02:54:01,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 02:54:02,004 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 02:54:02,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 02:54:02,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 02:54:02,005 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 02:54:02,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 02:54:02,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 02:54:02,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 02:54:02,006 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 02:54:02,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 02:54:02,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 02:54:02,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 02:54:02,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 02:54:02,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 02:54:02,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 02:54:02,007 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 02:54:02,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 02:54:02,008 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 02:54:02,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 02:54:02,008 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 02:54:02,008 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 02:54:02,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 02:54:02,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 02:54:02,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 02:54:02,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 02:54:02,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 02:54:02,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 02:54:02,009 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 02:54:02,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 02:54:02,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 02:54:02,009 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_a9b74eb7-f1a7-4903-a245-f4e740637f39/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 -> 8538ad1ae962a1ba831f755fb5c2de9d27f82db5 [2019-12-02 02:54:02,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 02:54:02,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 02:54:02,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 02:54:02,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 02:54:02,120 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 02:54:02,121 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/bin/ukojak/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i [2019-12-02 02:54:02,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/bin/ukojak/data/2d80ed307/e5c5a42537274847bd882d7ebd5a8564/FLAG47e6c8581 [2019-12-02 02:54:02,568 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 02:54:02,568 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i [2019-12-02 02:54:02,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/bin/ukojak/data/2d80ed307/e5c5a42537274847bd882d7ebd5a8564/FLAG47e6c8581 [2019-12-02 02:54:02,581 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/bin/ukojak/data/2d80ed307/e5c5a42537274847bd882d7ebd5a8564 [2019-12-02 02:54:02,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 02:54:02,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 02:54:02,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 02:54:02,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 02:54:02,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 02:54:02,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:02" (1/1) ... [2019-12-02 02:54:02,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2587198c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02, skipping insertion in model container [2019-12-02 02:54:02,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:02" (1/1) ... [2019-12-02 02:54:02,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 02:54:02,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 02:54:02,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 02:54:02,719 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 02:54:02,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 02:54:02,780 INFO L208 MainTranslator]: Completed translation [2019-12-02 02:54:02,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02 WrapperNode [2019-12-02 02:54:02,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 02:54:02,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 02:54:02,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 02:54:02,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 02:54:02,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ... [2019-12-02 02:54:02,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ... [2019-12-02 02:54:02,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 02:54:02,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 02:54:02,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 02:54:02,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 02:54:02,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ... [2019-12-02 02:54:02,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ... [2019-12-02 02:54:02,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ... [2019-12-02 02:54:02,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ... [2019-12-02 02:54:02,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ... [2019-12-02 02:54:02,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ... [2019-12-02 02:54:02,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ... [2019-12-02 02:54:02,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 02:54:02,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 02:54:02,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 02:54:02,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 02:54:02,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/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 02:54:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 02:54:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 02:54:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-02 02:54:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-12-02 02:54:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-12-02 02:54:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 02:54:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-02 02:54:03,044 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 02:54:03,044 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-02 02:54:03,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:03 BoogieIcfgContainer [2019-12-02 02:54:03,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 02:54:03,045 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 02:54:03,045 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 02:54:03,052 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 02:54:03,052 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:03" (1/1) ... [2019-12-02 02:54:03,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 02:54:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:54:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2019-12-02 02:54:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2019-12-02 02:54:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 02:54:03,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:54:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:54:03,239 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 02:54:03,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:54:03,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 25 transitions. [2019-12-02 02:54:03,308 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2019-12-02 02:54:03,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 02:54:03,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:54:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:54:03,365 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 02:54:03,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:54:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 29 transitions. [2019-12-02 02:54:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-12-02 02:54:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 02:54:03,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:54:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:54:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:54:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:54:03,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 24 transitions. [2019-12-02 02:54:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-12-02 02:54:03,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 02:54:03,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:54:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:54:04,489 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 84 [2019-12-02 02:54:04,834 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2019-12-02 02:54:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:54:05,276 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-12-02 02:54:08,244 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-12-02 02:54:08,800 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-12-02 02:54:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:54:09,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 22 states and 26 transitions. [2019-12-02 02:54:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-12-02 02:54:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 02:54:09,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:54:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:54:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 02:54:25,946 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-12-02 02:55:31,311 WARN L192 SmtUtils]: Spent 10.55 s on a formula simplification that was a NOOP. DAG size: 60 [2019-12-02 02:56:34,664 WARN L192 SmtUtils]: Spent 24.09 s on a formula simplification that was a NOOP. DAG size: 61 [2019-12-02 02:57:00,983 WARN L192 SmtUtils]: Spent 10.44 s on a formula simplification that was a NOOP. DAG size: 90 [2019-12-02 02:57:35,184 WARN L192 SmtUtils]: Spent 34.04 s on a formula simplification that was a NOOP. DAG size: 91 [2019-12-02 02:57:35,888 WARN L192 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2019-12-02 02:57:53,385 WARN L192 SmtUtils]: Spent 17.37 s on a formula simplification that was a NOOP. DAG size: 82 [2019-12-02 02:58:04,703 WARN L192 SmtUtils]: Spent 10.87 s on a formula simplification that was a NOOP. DAG size: 83 [2019-12-02 02:58:07,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:58:07,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 25 states and 33 transitions. [2019-12-02 02:58:07,064 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2019-12-02 02:58:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-02 02:58:07,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:58:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:58:07,254 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-02 02:58:17,470 WARN L192 SmtUtils]: Spent 10.12 s on a formula simplification. DAG size of input: 82 DAG size of output: 23 [2019-12-02 02:59:30,376 WARN L192 SmtUtils]: Spent 52.77 s on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2019-12-02 02:59:55,706 WARN L192 SmtUtils]: Spent 14.36 s on a formula simplification that was a NOOP. DAG size: 81 [2019-12-02 02:59:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:59:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 17 states and 22 transitions. [2019-12-02 02:59:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-12-02 02:59:57,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 02:59:57,730 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2019-12-02 02:59:57,736 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 02:59:57,856 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 1 [2019-12-02 02:59:57,989 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 02:59:57,992 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 02:59:57,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:59:57 ImpRootNode [2019-12-02 02:59:57,992 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 02:59:57,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 02:59:57,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 02:59:57,993 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 02:59:57,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:03" (3/4) ... [2019-12-02 02:59:57,995 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 02:59:57,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-12-02 02:59:58,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-02 02:59:58,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-02 02:59:58,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 02:59:58,034 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a9b74eb7-f1a7-4903-a245-f4e740637f39/bin/ukojak/witness.graphml [2019-12-02 02:59:58,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 02:59:58,035 INFO L168 Benchmark]: Toolchain (without parser) took 355450.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -75.3 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2019-12-02 02:59:58,035 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 02:59:58,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 195.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-02 02:59:58,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.19 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-02 02:59:58,036 INFO L168 Benchmark]: Boogie Preprocessor took 16.01 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-02 02:59:58,036 INFO L168 Benchmark]: RCFGBuilder took 222.91 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-02 02:59:58,037 INFO L168 Benchmark]: CodeCheck took 354947.13 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.8 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2019-12-02 02:59:58,037 INFO L168 Benchmark]: Witness Printer took 41.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2019-12-02 02:59:58,039 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 1 error locations. Result: SAFE, OverallTime: 354.6s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 360 SDtfs, 200 SDslu, 8 SDs, 0 SdLazy, 1716 SolverSat, 516 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 44.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 710 GetRequests, 619 SyntacticMatches, 25 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1820 ImplicationChecksByTransitivity, 331.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 17.5s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 37666 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 40/44 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: 12]: 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: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: 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 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 195.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.19 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.01 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 222.91 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * CodeCheck took 354947.13 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.8 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * Witness Printer took 41.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...