./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_39abb91a-aa50-4f0c-8db7-864eb954b03f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c -s /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 072df04afae5ae28487e0b8208c52f13961dea34 ..................................................................................................................................................................................................................................... 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 05:24:28,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:24:28,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:24:28,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:24:28,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:24:28,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:24:28,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:24:28,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:24:28,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:24:28,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:24:28,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:24:28,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:24:28,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:24:28,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:24:28,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:24:28,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:24:28,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:24:28,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:24:28,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:24:28,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:24:28,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:24:28,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:24:28,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:24:28,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:24:28,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:24:28,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:24:28,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:24:28,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:24:28,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:24:28,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:24:28,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:24:28,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:24:28,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:24:28,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:24:28,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:24:28,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:24:28,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:24:28,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:24:28,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:24:28,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:24:28,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:24:28,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 05:24:28,799 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:24:28,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:24:28,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 05:24:28,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 05:24:28,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:24:28,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:24:28,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:24:28,813 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:24:28,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:24:28,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:24:28,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:24:28,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:24:28,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:24:28,815 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 05:24:28,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:24:28,815 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:24:28,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:24:28,816 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 05:24:28,816 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 05:24:28,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:24:28,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:24:28,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 05:24:28,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:24:28,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:24:28,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:24:28,818 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 05:24:28,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:24:28,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:24:28,819 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_39abb91a-aa50-4f0c-8db7-864eb954b03f/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 072df04afae5ae28487e0b8208c52f13961dea34 [2019-11-20 05:24:29,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:24:29,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:24:29,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:24:29,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:24:29,036 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:24:29,037 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/bin/ukojak/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2019-11-20 05:24:29,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/bin/ukojak/data/fb400b3a4/2b4b5419c8a64c98bd20c5cc4209b9ee/FLAG055d0ced3 [2019-11-20 05:24:29,576 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:24:29,577 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2019-11-20 05:24:29,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/bin/ukojak/data/fb400b3a4/2b4b5419c8a64c98bd20c5cc4209b9ee/FLAG055d0ced3 [2019-11-20 05:24:29,948 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/bin/ukojak/data/fb400b3a4/2b4b5419c8a64c98bd20c5cc4209b9ee [2019-11-20 05:24:29,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:24:29,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:24:29,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:24:29,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:24:29,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:24:29,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:24:29" (1/1) ... [2019-11-20 05:24:29,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f42490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:29, skipping insertion in model container [2019-11-20 05:24:29,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:24:29" (1/1) ... [2019-11-20 05:24:29,976 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:24:29,993 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:24:30,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:24:30,213 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:24:30,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:24:30,330 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:24:30,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:30 WrapperNode [2019-11-20 05:24:30,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:24:30,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:24:30,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:24:30,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:24:30,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:30" (1/1) ... [2019-11-20 05:24:30,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:30" (1/1) ... [2019-11-20 05:24:30,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:24:30,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:24:30,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:24:30,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:24:30,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:30" (1/1) ... [2019-11-20 05:24:30,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:30" (1/1) ... [2019-11-20 05:24:30,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:30" (1/1) ... [2019-11-20 05:24:30,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:30" (1/1) ... [2019-11-20 05:24:30,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:30" (1/1) ... [2019-11-20 05:24:30,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:30" (1/1) ... [2019-11-20 05:24:30,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:30" (1/1) ... [2019-11-20 05:24:30,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:24:30,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:24:30,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:24:30,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:24:30,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/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 05:24:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 05:24:30,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:24:30,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:24:30,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 05:24:30,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:24:30,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:24:30,837 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:24:30,838 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 05:24:30,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:30 BoogieIcfgContainer [2019-11-20 05:24:30,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:24:30,841 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 05:24:30,841 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 05:24:30,852 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 05:24:30,853 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:30" (1/1) ... [2019-11-20 05:24:30,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:24:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:24:30,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2019-11-20 05:24:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-11-20 05:24:30,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 05:24:30,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:24:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:24:31,071 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 05:24:31,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:24:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-11-20 05:24:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-11-20 05:24:31,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 05:24:31,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:24:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:24:31,232 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 05:24:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:24:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-20 05:24:31,488 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-20 05:24:31,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:24:31,488 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2019-11-20 05:24:31,500 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2019-11-20 05:24:31,528 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 05:24:31,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 05:24:31,542 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 05:24:31,543 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 05:24:31,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:24:31 ImpRootNode [2019-11-20 05:24:31,545 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 05:24:31,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:24:31,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:24:31,546 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:24:31,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:30" (3/4) ... [2019-11-20 05:24:31,551 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:24:31,562 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 05:24:31,562 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 05:24:31,562 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 05:24:31,602 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_39abb91a-aa50-4f0c-8db7-864eb954b03f/bin/ukojak/witness.graphml [2019-11-20 05:24:31,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:24:31,605 INFO L168 Benchmark]: Toolchain (without parser) took 1648.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:24:31,605 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:24:31,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -201.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:24:31,607 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.34 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 05:24:31,608 INFO L168 Benchmark]: Boogie Preprocessor took 24.30 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:24:31,608 INFO L168 Benchmark]: RCFGBuilder took 442.51 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:24:31,609 INFO L168 Benchmark]: CodeCheck took 704.35 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: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:24:31,609 INFO L168 Benchmark]: Witness Printer took 57.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:24:31,612 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, 2 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 58 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant [2019-11-20 05:24:31,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 05:24:31,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown[a][a + 8] <= 2147483647 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -201.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.34 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 24.30 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 442.51 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * CodeCheck took 704.35 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: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Witness Printer took 57.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...