./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008_true-unreach-call.c.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008_true-unreach-call.c.i.v+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/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 0.1.23-1dbac8b [2018-10-26 23:26:42,549 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:26:42,550 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:26:42,559 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:26:42,559 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:26:42,560 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:26:42,561 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:26:42,562 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:26:42,563 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:26:42,564 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:26:42,564 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:26:42,564 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:26:42,565 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:26:42,566 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:26:42,566 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:26:42,567 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:26:42,567 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:26:42,569 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:26:42,570 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:26:42,571 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:26:42,571 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:26:42,572 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:26:42,574 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:26:42,574 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:26:42,574 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:26:42,575 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:26:42,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:26:42,576 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:26:42,577 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:26:42,578 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:26:42,578 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:26:42,578 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:26:42,579 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:26:42,579 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:26:42,579 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:26:42,580 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:26:42,580 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:26:42,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:26:42,591 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:26:42,592 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:26:42,592 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:26:42,593 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:26:42,593 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:26:42,593 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:26:42,593 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:26:42,593 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:26:42,593 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:26:42,593 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:26:42,594 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:26:42,594 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:26:42,594 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:26:42,594 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:26:42,594 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:26:42,594 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:26:42,594 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:26:42,596 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:26:42,596 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:26:42,596 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:26:42,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:26:42,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:26:42,597 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:26:42,597 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:26:42,597 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:26:42,597 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:26:42,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:26:42,598 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/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 [2018-10-26 23:26:42,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:26:42,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:26:42,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:26:42,645 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:26:42,645 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:26:42,647 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/ukojak/../../sv-benchmarks/c/loop-lit/gsv2008_true-unreach-call.c.i.v+lhb-reducer.c [2018-10-26 23:26:42,693 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/ukojak/data/b28a19221/90b5c914a4dd4e0caae11fb245584bbe/FLAG4f79c6a27 [2018-10-26 23:26:43,060 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:26:43,061 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/sv-benchmarks/c/loop-lit/gsv2008_true-unreach-call.c.i.v+lhb-reducer.c [2018-10-26 23:26:43,066 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/ukojak/data/b28a19221/90b5c914a4dd4e0caae11fb245584bbe/FLAG4f79c6a27 [2018-10-26 23:26:43,077 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/ukojak/data/b28a19221/90b5c914a4dd4e0caae11fb245584bbe [2018-10-26 23:26:43,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:26:43,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:26:43,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:26:43,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:26:43,084 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:26:43,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:26:43" (1/1) ... [2018-10-26 23:26:43,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b25249f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:26:43, skipping insertion in model container [2018-10-26 23:26:43,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:26:43" (1/1) ... [2018-10-26 23:26:43,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:26:43,113 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:26:43,234 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:26:43,238 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:26:43,253 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:26:43,264 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:26:43,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:26:43 WrapperNode [2018-10-26 23:26:43,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:26:43,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:26:43,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:26:43,265 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:26:43,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:26:43" (1/1) ... [2018-10-26 23:26:43,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:26:43" (1/1) ... [2018-10-26 23:26:43,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:26:43,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:26:43,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:26:43,292 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:26:43,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:26:43" (1/1) ... [2018-10-26 23:26:43,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:26:43" (1/1) ... [2018-10-26 23:26:43,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:26:43" (1/1) ... [2018-10-26 23:26:43,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:26:43" (1/1) ... [2018-10-26 23:26:43,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:26:43" (1/1) ... [2018-10-26 23:26:43,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:26:43" (1/1) ... [2018-10-26 23:26:43,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:26:43" (1/1) ... [2018-10-26 23:26:43,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:26:43,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:26:43,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:26:43,306 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:26:43,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:26:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/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 [2018-10-26 23:26:43,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:26:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:26:43,724 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:26:43,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:26:43 BoogieIcfgContainer [2018-10-26 23:26:43,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:26:43,725 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:26:43,725 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:26:43,733 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:26:43,733 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:26:43" (1/1) ... [2018-10-26 23:26:43,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:26:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:43,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-10-26 23:26:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-10-26 23:26:43,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 23:26:43,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:26:44,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:44,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2018-10-26 23:26:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2018-10-26 23:26:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 23:26:44,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:26:44,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:44,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-10-26 23:26:44,508 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-10-26 23:26:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:26:44,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:26:44,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:44,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2018-10-26 23:26:44,870 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2018-10-26 23:26:44,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 23:26:44,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:26:45,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2018-10-26 23:26:45,316 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2018-10-26 23:26:45,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:26:45,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:45,468 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:26:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:45,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2018-10-26 23:26:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2018-10-26 23:26:45,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:26:45,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:26:46,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:46,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-26 23:26:46,015 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-26 23:26:46,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:26:46,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:26:46,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2018-10-26 23:26:46,337 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2018-10-26 23:26:46,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 23:26:46,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:26:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-10-26 23:26:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-10-26 23:26:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:26:46,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:26:47,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2018-10-26 23:26:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-10-26 23:26:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:26:47,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:26:47,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:47,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2018-10-26 23:26:47,409 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2018-10-26 23:26:47,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:26:47,410 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-10-26 23:26:47,416 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:26:47,551 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:26:47,553 INFO L582 CodeCheckObserver]: Invariant with dag size 31 [2018-10-26 23:26:47,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:26:47 ImpRootNode [2018-10-26 23:26:47,558 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:26:47,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:26:47,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:26:47,558 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:26:47,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:26:43" (3/4) ... [2018-10-26 23:26:47,561 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:26:47,570 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 23:26:47,570 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:26:47,570 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 23:26:47,621 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_049c2f58-827d-43c6-ab6d-06970a83a0c3/bin-2019/ukojak/witness.graphml [2018-10-26 23:26:47,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:26:47,622 INFO L168 Benchmark]: Toolchain (without parser) took 4542.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 961.8 MB in the beginning and 1.0 GB in the end (delta: -75.0 MB). Peak memory consumption was 83.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:26:47,623 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:26:47,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.06 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:26:47,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.44 ms. Allocated memory is still 1.0 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:26:47,624 INFO L168 Benchmark]: Boogie Preprocessor took 14.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 945.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:26:47,625 INFO L168 Benchmark]: RCFGBuilder took 418.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:26:47,625 INFO L168 Benchmark]: CodeCheck took 3832.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.7 MB). Peak memory consumption was 102.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:26:47,625 INFO L168 Benchmark]: Witness Printer took 63.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:26:47,629 INFO L336 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, 13 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5632 SDtfs, 5116 SDslu, 7160 SDs, 0 SdLazy, 20458 SolverSat, 7162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1451 GetRequests, 1274 SyntacticMatches, 117 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 17030 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 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 + 71 <= 6 * main__y || main__x + 51 <= main__y) || main__x + 105 <= 10 * main__y) || main__x + 60 <= 4 * main__y) || main__x + 86 <= 8 * main__y) || main__x + 53 <= 2 * main__y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.06 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.44 ms. Allocated memory is still 1.0 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 945.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 418.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * CodeCheck took 3832.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.7 MB). Peak memory consumption was 102.7 MB. Max. memory is 11.5 GB. * Witness Printer took 63.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...