./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/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_1b28192e-ee65-4039-bc7d-e1f88060adbe/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/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 0.1.24-678e011 [2019-11-20 03:11:08,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:11:08,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:11:08,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:11:08,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:11:08,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:11:08,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:11:08,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:11:08,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:11:08,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:11:08,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:11:08,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:11:08,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:11:08,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:11:08,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:11:08,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:11:08,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:11:08,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:11:08,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:11:08,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:11:08,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:11:08,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:11:08,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:11:08,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:11:08,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:11:08,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:11:08,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:11:08,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:11:08,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:11:08,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:11:08,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:11:08,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:11:08,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:11:08,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:11:08,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:11:08,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:11:08,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:11:08,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:11:08,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:11:08,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:11:08,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:11:08,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 03:11:08,775 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:11:08,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:11:08,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 03:11:08,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 03:11:08,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:11:08,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:11:08,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:11:08,777 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:11:08,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:11:08,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:11:08,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:11:08,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:11:08,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:11:08,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:11:08,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:11:08,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:11:08,778 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:11:08,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:11:08,779 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 03:11:08,779 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 03:11:08,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:11:08,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:11:08,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:11:08,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:11:08,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:11:08,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:11:08,780 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 03:11:08,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:11:08,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:11:08,781 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_1b28192e-ee65-4039-bc7d-e1f88060adbe/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 [2019-11-20 03:11:08,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:11:08,951 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:11:08,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:11:08,955 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:11:08,955 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:11:08,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/bin/ukojak/../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-11-20 03:11:09,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/bin/ukojak/data/8cc90326f/2dee33498b2b4ea7ab38e7f42ca19c36/FLAG18603763f [2019-11-20 03:11:09,402 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:11:09,403 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-11-20 03:11:09,408 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/bin/ukojak/data/8cc90326f/2dee33498b2b4ea7ab38e7f42ca19c36/FLAG18603763f [2019-11-20 03:11:09,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/bin/ukojak/data/8cc90326f/2dee33498b2b4ea7ab38e7f42ca19c36 [2019-11-20 03:11:09,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:11:09,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:11:09,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:11:09,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:11:09,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:11:09,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:11:09" (1/1) ... [2019-11-20 03:11:09,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513371a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:09, skipping insertion in model container [2019-11-20 03:11:09,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:11:09" (1/1) ... [2019-11-20 03:11:09,448 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:11:09,468 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:11:09,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:11:09,597 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:11:09,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:11:09,684 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:11:09,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:09 WrapperNode [2019-11-20 03:11:09,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:11:09,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:11:09,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:11:09,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:11:09,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:09" (1/1) ... [2019-11-20 03:11:09,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:09" (1/1) ... [2019-11-20 03:11:09,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:11:09,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:11:09,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:11:09,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:11:09,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:09" (1/1) ... [2019-11-20 03:11:09,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:09" (1/1) ... [2019-11-20 03:11:09,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:09" (1/1) ... [2019-11-20 03:11:09,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:09" (1/1) ... [2019-11-20 03:11:09,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:09" (1/1) ... [2019-11-20 03:11:09,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:09" (1/1) ... [2019-11-20 03:11:09,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:09" (1/1) ... [2019-11-20 03:11:09,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:11:09,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:11:09,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:11:09,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:11:09,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:11:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/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 [2019-11-20 03:11:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:11:09,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:11:10,030 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:11:10,030 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 03:11:10,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:11:10 BoogieIcfgContainer [2019-11-20 03:11:10,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:11:10,032 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 03:11:10,032 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 03:11:10,042 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 03:11:10,043 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:11:10" (1/1) ... [2019-11-20 03:11:10,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:11:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:11:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2019-11-20 03:11:10,088 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2019-11-20 03:11:10,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 03:11:10,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:11:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:11:10,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:11:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2019-11-20 03:11:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2019-11-20 03:11:10,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 03:11:10,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:11:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:11:10,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:11:10,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2019-11-20 03:11:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2019-11-20 03:11:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 03:11:10,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:11:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:10,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:11:10,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:11:10,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2019-11-20 03:11:10,732 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2019-11-20 03:11:10,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 03:11:10,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:11:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:10,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:11:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:11:10,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2019-11-20 03:11:10,998 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2019-11-20 03:11:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 03:11:10,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:11:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:11,076 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:11:11,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:11:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2019-11-20 03:11:11,249 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2019-11-20 03:11:11,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:11:11,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:11:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:11,340 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:11:11,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:11:11,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2019-11-20 03:11:11,569 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2019-11-20 03:11:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 03:11:11,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:11:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:11:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:11:11,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2019-11-20 03:11:11,931 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2019-11-20 03:11:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:11:11,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:11:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:12,027 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:11:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:11:12,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2019-11-20 03:11:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2019-11-20 03:11:12,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 03:11:12,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:11:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:12,406 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:11:12,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:11:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2019-11-20 03:11:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2019-11-20 03:11:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 03:11:12,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:11:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:12,740 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:11:12,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:11:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2019-11-20 03:11:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2019-11-20 03:11:12,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 03:11:12,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:11:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:11:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:11:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:11:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2019-11-20 03:11:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2019-11-20 03:11:13,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:11:13,304 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2019-11-20 03:11:13,318 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 03:11:13,396 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2019-11-20 03:11:13,408 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:11:13,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 03:11:13 ImpRootNode [2019-11-20 03:11:13,409 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 03:11:13,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:11:13,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:11:13,409 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:11:13,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:11:10" (3/4) ... [2019-11-20 03:11:13,413 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:11:13,422 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 03:11:13,422 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 03:11:13,466 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1b28192e-ee65-4039-bc7d-e1f88060adbe/bin/ukojak/witness.graphml [2019-11-20 03:11:13,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:11:13,468 INFO L168 Benchmark]: Toolchain (without parser) took 4041.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -85.9 MB). Peak memory consumption was 89.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:11:13,469 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:11:13,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -227.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:11:13,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.49 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. [2019-11-20 03:11:13,470 INFO L168 Benchmark]: Boogie Preprocessor took 15.73 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. [2019-11-20 03:11:13,471 INFO L168 Benchmark]: RCFGBuilder took 301.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:11:13,472 INFO L168 Benchmark]: CodeCheck took 3376.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 119.2 MB). Peak memory consumption was 119.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:11:13,472 INFO L168 Benchmark]: Witness Printer took 57.21 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:11:13,475 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, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1139 GetRequests, 1000 SyntacticMatches, 75 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1147 ImplicationChecksByTransitivity, 2.2s 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 + 71 <= 6 * 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) || 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 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -227.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.49 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 15.73 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 301.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * CodeCheck took 3376.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 119.2 MB). Peak memory consumption was 119.2 MB. Max. memory is 11.5 GB. * Witness Printer took 57.21 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...