./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.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_5f8ac1e1-c01f-4175-a552-8157260ded12/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/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 eec7850a55859668859d25c9503478e74955da1a ............................................................................................................................................................................................................................................... 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 08:03:36,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:03:36,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:03:36,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:03:36,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:03:36,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:03:36,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:03:36,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:03:36,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:03:36,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:03:36,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:03:36,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:03:36,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:03:36,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:03:36,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:03:36,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:03:36,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:03:36,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:03:36,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:03:36,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:03:37,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:03:37,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:03:37,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:03:37,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:03:37,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:03:37,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:03:37,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:03:37,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:03:37,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:03:37,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:03:37,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:03:37,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:03:37,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:03:37,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:03:37,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:03:37,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:03:37,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:03:37,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:03:37,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:03:37,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:03:37,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:03:37,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 08:03:37,057 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:03:37,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:03:37,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 08:03:37,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 08:03:37,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:03:37,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:03:37,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:03:37,061 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 08:03:37,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:03:37,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:03:37,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:03:37,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:03:37,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:03:37,064 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 08:03:37,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:03:37,065 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:03:37,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:03:37,065 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 08:03:37,065 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 08:03:37,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:03:37,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:03:37,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 08:03:37,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:03:37,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:03:37,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:03:37,067 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 08:03:37,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:03:37,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:03:37,068 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_5f8ac1e1-c01f-4175-a552-8157260ded12/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 -> eec7850a55859668859d25c9503478e74955da1a [2019-11-20 08:03:37,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:03:37,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:03:37,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:03:37,311 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:03:37,311 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:03:37,312 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c [2019-11-20 08:03:37,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/bin/ukojak/data/b2ffbd2ae/3786f1b3f5e64f569f07866076049282/FLAGc6fd4a189 [2019-11-20 08:03:37,849 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:03:37,850 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c [2019-11-20 08:03:37,857 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/bin/ukojak/data/b2ffbd2ae/3786f1b3f5e64f569f07866076049282/FLAGc6fd4a189 [2019-11-20 08:03:38,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/bin/ukojak/data/b2ffbd2ae/3786f1b3f5e64f569f07866076049282 [2019-11-20 08:03:38,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:03:38,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:03:38,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:03:38,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:03:38,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:03:38,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:03:38" (1/1) ... [2019-11-20 08:03:38,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518ce982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:38, skipping insertion in model container [2019-11-20 08:03:38,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:03:38" (1/1) ... [2019-11-20 08:03:38,235 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:03:38,257 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:03:38,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:03:38,545 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:03:38,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:03:38,588 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:03:38,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:38 WrapperNode [2019-11-20 08:03:38,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:03:38,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:03:38,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:03:38,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:03:38,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:38" (1/1) ... [2019-11-20 08:03:38,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:38" (1/1) ... [2019-11-20 08:03:38,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:03:38,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:03:38,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:03:38,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:03:38,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:38" (1/1) ... [2019-11-20 08:03:38,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:38" (1/1) ... [2019-11-20 08:03:38,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:38" (1/1) ... [2019-11-20 08:03:38,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:38" (1/1) ... [2019-11-20 08:03:38,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:38" (1/1) ... [2019-11-20 08:03:38,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:38" (1/1) ... [2019-11-20 08:03:38,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:38" (1/1) ... [2019-11-20 08:03:38,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:03:38,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:03:38,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:03:38,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:03:38,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:03:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/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 08:03:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 08:03:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2019-11-20 08:03:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2019-11-20 08:03:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 08:03:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:03:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:03:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 08:03:39,319 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:03:39,320 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 08:03:39,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:03:39 BoogieIcfgContainer [2019-11-20 08:03:39,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:03:39,322 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 08:03:39,322 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 08:03:39,335 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 08:03:39,336 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:03:39" (1/1) ... [2019-11-20 08:03:39,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:03:39,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:03:39,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2019-11-20 08:03:39,397 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2019-11-20 08:03:39,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 08:03:39,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:03:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:03:39,552 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 08:03:39,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:03:39,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2019-11-20 08:03:39,595 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2019-11-20 08:03:39,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 08:03:39,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:03:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:03:39,656 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 08:03:39,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:03:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2019-11-20 08:03:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2019-11-20 08:03:39,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 08:03:39,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:03:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:03:39,784 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 08:03:39,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:03:39,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2019-11-20 08:03:39,807 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2019-11-20 08:03:39,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 08:03:39,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:03:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:03:39,912 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 08:03:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:03:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2019-11-20 08:03:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2019-11-20 08:03:40,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 08:03:40,139 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2019-11-20 08:03:40,154 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-11-20 08:03:40,199 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 08:03:40,205 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 08:03:40,205 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 08:03:40,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 08:03:40 ImpRootNode [2019-11-20 08:03:40,206 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 08:03:40,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:03:40,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:03:40,207 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:03:40,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:03:39" (3/4) ... [2019-11-20 08:03:40,211 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 08:03:40,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure build_nondet_String [2019-11-20 08:03:40,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 08:03:40,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 08:03:40,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 08:03:40,291 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5f8ac1e1-c01f-4175-a552-8157260ded12/bin/ukojak/witness.graphml [2019-11-20 08:03:40,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:03:40,293 INFO L168 Benchmark]: Toolchain (without parser) took 2076.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -114.4 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2019-11-20 08:03:40,294 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:03:40,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:03:40,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.76 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 08:03:40,296 INFO L168 Benchmark]: Boogie Preprocessor took 37.19 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 08:03:40,296 INFO L168 Benchmark]: RCFGBuilder took 656.75 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-20 08:03:40,297 INFO L168 Benchmark]: CodeCheck took 883.80 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2019-11-20 08:03:40,297 INFO L168 Benchmark]: Witness Printer took 84.82 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 08:03:40,300 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 2 procedures, 23 locations, 4 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 40 SDtfs, 42 SDslu, 0 SDs, 0 SdLazy, 146 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.76 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. * Boogie Preprocessor took 37.19 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 656.75 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * CodeCheck took 883.80 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * Witness Printer took 84.82 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. RESULT: Ultimate proved your program to be correct! Received shutdown request...