./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/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 3894847563f94cbdd0635f6155c1daf0bb2475fc ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:03:07,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:03:07,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:03:07,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:03:07,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:03:07,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:03:07,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:03:07,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:03:07,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:03:07,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:03:07,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:03:07,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:03:07,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:03:07,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:03:07,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:03:07,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:03:07,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:03:07,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:03:07,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:03:07,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:03:07,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:03:07,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:03:07,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:03:07,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:03:07,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:03:07,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:03:07,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:03:07,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:03:07,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:03:07,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:03:07,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:03:07,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:03:07,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:03:07,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:03:07,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:03:07,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:03:07,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:03:07,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:03:07,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:03:07,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:03:07,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:03:07,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:03:07,827 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:03:07,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:03:07,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:03:07,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:03:07,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:03:07,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:03:07,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:03:07,839 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:03:07,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:03:07,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:03:07,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:03:07,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:03:07,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:03:07,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:03:07,840 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:03:07,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:03:07,841 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:03:07,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:03:07,841 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:03:07,841 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:03:07,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:03:07,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:03:07,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:03:07,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:03:07,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:03:07,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:03:07,844 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:03:07,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:03:07,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:03:07,844 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_0548f253-e1fd-462d-a994-924928c202f0/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 -> 3894847563f94cbdd0635f6155c1daf0bb2475fc [2019-11-26 02:03:08,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:03:08,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:03:08,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:03:08,020 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:03:08,020 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:03:08,021 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/bin/ukojak/../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-11-26 02:03:08,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/bin/ukojak/data/d758f722c/f4ced439ab3e45f6b1898b23afde03e4/FLAG56816fcf9 [2019-11-26 02:03:08,427 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:03:08,427 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-11-26 02:03:08,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/bin/ukojak/data/d758f722c/f4ced439ab3e45f6b1898b23afde03e4/FLAG56816fcf9 [2019-11-26 02:03:08,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/bin/ukojak/data/d758f722c/f4ced439ab3e45f6b1898b23afde03e4 [2019-11-26 02:03:08,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:03:08,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:03:08,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:03:08,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:03:08,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:03:08,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:03:08" (1/1) ... [2019-11-26 02:03:08,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1c4536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:03:08, skipping insertion in model container [2019-11-26 02:03:08,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:03:08" (1/1) ... [2019-11-26 02:03:08,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:03:08,474 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:03:08,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:03:08,663 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:03:08,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:03:08,764 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:03:08,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:03:08 WrapperNode [2019-11-26 02:03:08,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:03:08,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:03:08,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:03:08,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:03:08,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:03:08" (1/1) ... [2019-11-26 02:03:08,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:03:08" (1/1) ... [2019-11-26 02:03:08,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:03:08,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:03:08,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:03:08,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:03:08,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:03:08" (1/1) ... [2019-11-26 02:03:08,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:03:08" (1/1) ... [2019-11-26 02:03:08,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:03:08" (1/1) ... [2019-11-26 02:03:08,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:03:08" (1/1) ... [2019-11-26 02:03:08,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:03:08" (1/1) ... [2019-11-26 02:03:08,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:03:08" (1/1) ... [2019-11-26 02:03:08,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:03:08" (1/1) ... [2019-11-26 02:03:08,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:03:08,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:03:08,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:03:08,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:03:08,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:03:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:03:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:03:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:03:09,016 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:03:09,017 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-26 02:03:09,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:03:09 BoogieIcfgContainer [2019-11-26 02:03:09,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:03:09,018 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:03:09,018 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:03:09,028 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:03:09,029 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:03:09" (1/1) ... [2019-11-26 02:03:09,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:03:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:03:09,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2019-11-26 02:03:09,070 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2019-11-26 02:03:09,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:03:09,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:03:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:03:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:03:09,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:03:09,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2019-11-26 02:03:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2019-11-26 02:03:09,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:03:09,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:03:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:03:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:03:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:03:09,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2019-11-26 02:03:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2019-11-26 02:03:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:03:09,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:03:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:03:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:03:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:03:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2019-11-26 02:03:09,822 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2019-11-26 02:03:09,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:03:09,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:03:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:03:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:03:10,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:03:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2019-11-26 02:03:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2019-11-26 02:03:10,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:03:10,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:03:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:03:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:03:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:03:10,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2019-11-26 02:03:10,304 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2019-11-26 02:03:10,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:03:10,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:03:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:03:10,390 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:03:10,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:03:10,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2019-11-26 02:03:10,586 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2019-11-26 02:03:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:03:10,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:03:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:03:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:03:10,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:03:10,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2019-11-26 02:03:10,929 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2019-11-26 02:03:10,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:03:10,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:03:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:03:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:03:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:03:11,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2019-11-26 02:03:11,295 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2019-11-26 02:03:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-26 02:03:11,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:03:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:03:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:03:11,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:03:11,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2019-11-26 02:03:11,588 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2019-11-26 02:03:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:03:11,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:03:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:03:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:03:11,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:03:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2019-11-26 02:03:11,936 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2019-11-26 02:03:11,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:03:11,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:03:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:03:12,014 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:03:12,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:03:12,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2019-11-26 02:03:12,292 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2019-11-26 02:03:12,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:03:12,293 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2019-11-26 02:03:12,301 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:03:12,378 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2019-11-26 02:03:12,387 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:03:12,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:03:12 ImpRootNode [2019-11-26 02:03:12,387 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:03:12,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:03:12,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:03:12,388 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:03:12,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:03:09" (3/4) ... [2019-11-26 02:03:12,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:03:12,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:03:12,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:03:12,442 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0548f253-e1fd-462d-a994-924928c202f0/bin/ukojak/witness.graphml [2019-11-26 02:03:12,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:03:12,444 INFO L168 Benchmark]: Toolchain (without parser) took 3997.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:03:12,444 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:03:12,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:03:12,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:03:12,446 INFO L168 Benchmark]: Boogie Preprocessor took 11.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:03:12,446 INFO L168 Benchmark]: RCFGBuilder took 211.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:03:12,447 INFO L168 Benchmark]: CodeCheck took 3369.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:03:12,447 INFO L168 Benchmark]: Witness Printer took 54.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:03:12,450 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: 3.2s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 11264 SDtfs, 4096 SDslu, 4096 SDs, 0 SdLazy, 28652 SolverSat, 14328 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1139 GetRequests, 1000 SyntacticMatches, 75 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1147 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 6595 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 0/220 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: 43]: 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: 25]: Loop Invariant Derived loop invariant: ((((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) || main__x + 50 <= 0 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 211.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * CodeCheck took 3369.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * Witness Printer took 54.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...