./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c -s /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/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 0.2.0-69874e2 [2020-12-03 11:01:50,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 11:01:50,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 11:01:50,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 11:01:50,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 11:01:50,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 11:01:50,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 11:01:50,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 11:01:50,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 11:01:50,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 11:01:50,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 11:01:50,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 11:01:50,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 11:01:50,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 11:01:50,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 11:01:50,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 11:01:50,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 11:01:50,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 11:01:51,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 11:01:51,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 11:01:51,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 11:01:51,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 11:01:51,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 11:01:51,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 11:01:51,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 11:01:51,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 11:01:51,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 11:01:51,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 11:01:51,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 11:01:51,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 11:01:51,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 11:01:51,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 11:01:51,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 11:01:51,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 11:01:51,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 11:01:51,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 11:01:51,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 11:01:51,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 11:01:51,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 11:01:51,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 11:01:51,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 11:01:51,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-03 11:01:51,088 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 11:01:51,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 11:01:51,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 11:01:51,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-03 11:01:51,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 11:01:51,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 11:01:51,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 11:01:51,093 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 11:01:51,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 11:01:51,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 11:01:51,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 11:01:51,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 11:01:51,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 11:01:51,095 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 11:01:51,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 11:01:51,096 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 11:01:51,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 11:01:51,096 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-03 11:01:51,097 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-03 11:01:51,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 11:01:51,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-03 11:01:51,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 11:01:51,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 11:01:51,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 11:01:51,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 11:01:51,098 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-03 11:01:51,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 11:01:51,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 11:01:51,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 072df04afae5ae28487e0b8208c52f13961dea34 [2020-12-03 11:01:51,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 11:01:51,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 11:01:51,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 11:01:51,400 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 11:01:51,401 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 11:01:51,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2020-12-03 11:01:51,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak/data/bb31e6463/c8674c68e97949b79e819c3c6c8581b7/FLAG8b0c32291 [2020-12-03 11:01:51,946 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 11:01:51,946 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2020-12-03 11:01:51,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak/data/bb31e6463/c8674c68e97949b79e819c3c6c8581b7/FLAG8b0c32291 [2020-12-03 11:01:52,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak/data/bb31e6463/c8674c68e97949b79e819c3c6c8581b7 [2020-12-03 11:01:52,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 11:01:52,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 11:01:52,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 11:01:52,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 11:01:52,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 11:01:52,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:01:52" (1/1) ... [2020-12-03 11:01:52,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2e0db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:01:52, skipping insertion in model container [2020-12-03 11:01:52,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:01:52" (1/1) ... [2020-12-03 11:01:52,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 11:01:52,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 11:01:52,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:01:52,530 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 11:01:52,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:01:52,590 INFO L208 MainTranslator]: Completed translation [2020-12-03 11:01:52,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:01:52 WrapperNode [2020-12-03 11:01:52,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 11:01:52,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 11:01:52,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 11:01:52,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 11:01:52,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:01:52" (1/1) ... [2020-12-03 11:01:52,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:01:52" (1/1) ... [2020-12-03 11:01:52,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 11:01:52,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 11:01:52,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 11:01:52,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 11:01:52,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:01:52" (1/1) ... [2020-12-03 11:01:52,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:01:52" (1/1) ... [2020-12-03 11:01:52,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:01:52" (1/1) ... [2020-12-03 11:01:52,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:01:52" (1/1) ... [2020-12-03 11:01:52,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:01:52" (1/1) ... [2020-12-03 11:01:52,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:01:52" (1/1) ... [2020-12-03 11:01:52,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:01:52" (1/1) ... [2020-12-03 11:01:52,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 11:01:52,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 11:01:52,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 11:01:52,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 11:01:52,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:01:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/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 [2020-12-03 11:01:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-03 11:01:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 11:01:52,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 11:01:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-03 11:01:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 11:01:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 11:01:53,032 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 11:01:53,032 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-03 11:01:53,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:01:53 BoogieIcfgContainer [2020-12-03 11:01:53,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 11:01:53,036 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-03 11:01:53,036 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-03 11:01:53,052 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-03 11:01:53,052 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:01:53" (1/1) ... [2020-12-03 11:01:53,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 11:01:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:01:53,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2020-12-03 11:01:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2020-12-03 11:01:53,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 11:01:53,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:01:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:01:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:01:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:01:53,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-12-03 11:01:53,441 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-12-03 11:01:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-03 11:01:53,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:01:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:01:53,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:01:53,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:01:53,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-12-03 11:01:53,720 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-12-03 11:01:53,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 11:01:53,721 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2020-12-03 11:01:53,727 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2020-12-03 11:01:53,747 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-03 11:01:53,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-03 11:01:53,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-03 11:01:53,759 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-03 11:01:53,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 11:01:53 ImpRootNode [2020-12-03 11:01:53,760 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-03 11:01:53,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 11:01:53,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 11:01:53,761 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 11:01:53,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:01:53" (3/4) ... [2020-12-03 11:01:53,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 11:01:53,774 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-03 11:01:53,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-03 11:01:53,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-03 11:01:53,814 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_23f91dcd-a652-4810-98dc-07b25ae13b7b/bin/ukojak/witness.graphml [2020-12-03 11:01:53,814 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 11:01:53,817 INFO L168 Benchmark]: Toolchain (without parser) took 1481.07 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 64.3 MB in the beginning and 65.3 MB in the end (delta: -1.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2020-12-03 11:01:53,817 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory was 51.0 MB in the beginning and 51.0 MB in the end (delta: 43.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:01:53,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.79 ms. Allocated memory is still 94.4 MB. Free memory was 64.0 MB in the beginning and 72.4 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 11:01:53,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.40 ms. Allocated memory is still 94.4 MB. Free memory was 72.1 MB in the beginning and 71.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:01:53,820 INFO L168 Benchmark]: Boogie Preprocessor took 44.05 ms. Allocated memory is still 94.4 MB. Free memory was 71.0 MB in the beginning and 70.0 MB in the end (delta: 993.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:01:53,820 INFO L168 Benchmark]: RCFGBuilder took 349.24 ms. Allocated memory is still 94.4 MB. Free memory was 70.0 MB in the beginning and 58.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-03 11:01:53,821 INFO L168 Benchmark]: CodeCheck took 724.19 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 57.7 MB in the beginning and 67.4 MB in the end (delta: -9.6 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-12-03 11:01:53,822 INFO L168 Benchmark]: Witness Printer took 54.05 ms. Allocated memory is still 113.2 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:01:53,826 INFO L339 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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 58 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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 [2020-12-03 11:01:53,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-03 11:01:53,829 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 0.24 ms. Allocated memory is still 94.4 MB. Free memory was 51.0 MB in the beginning and 51.0 MB in the end (delta: 43.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.79 ms. Allocated memory is still 94.4 MB. Free memory was 64.0 MB in the beginning and 72.4 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.40 ms. Allocated memory is still 94.4 MB. Free memory was 72.1 MB in the beginning and 71.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.05 ms. Allocated memory is still 94.4 MB. Free memory was 71.0 MB in the beginning and 70.0 MB in the end (delta: 993.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 349.24 ms. Allocated memory is still 94.4 MB. Free memory was 70.0 MB in the beginning and 58.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 724.19 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 57.7 MB in the beginning and 67.4 MB in the end (delta: -9.6 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * Witness Printer took 54.05 ms. Allocated memory is still 113.2 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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...