./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s5iff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s5iff.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5d662f2c632ccbb4b04c793697535912f2bd9ed9 ............................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:45:37,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:45:37,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:45:37,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:45:37,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:45:37,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:45:37,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:45:38,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:45:38,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:45:38,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:45:38,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:45:38,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:45:38,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:45:38,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:45:38,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:45:38,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:45:38,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:45:38,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:45:38,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:45:38,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:45:38,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:45:38,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:45:38,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:45:38,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:45:38,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:45:38,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:45:38,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:45:38,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:45:38,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:45:38,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:45:38,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:45:38,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:45:38,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:45:38,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:45:38,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:45:38,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:45:38,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:45:38,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:45:38,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:45:38,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:45:38,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:45:38,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 06:45:38,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:45:38,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:45:38,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 06:45:38,067 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 06:45:38,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:45:38,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:45:38,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:45:38,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:45:38,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:45:38,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:45:38,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:45:38,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:45:38,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:45:38,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:45:38,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:45:38,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:45:38,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:45:38,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:45:38,071 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 06:45:38,071 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 06:45:38,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:45:38,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:45:38,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:45:38,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:45:38,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:45:38,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:45:38,073 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 06:45:38,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:45:38,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:45:38,074 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_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d662f2c632ccbb4b04c793697535912f2bd9ed9 [2019-11-20 06:45:38,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:45:38,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:45:38,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:45:38,249 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:45:38,249 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:45:38,250 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak/../../sv-benchmarks/c/array-fpi/s5iff.c [2019-11-20 06:45:38,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak/data/8539a37be/78ba6674b468438aad74e04c69c8c9b4/FLAG5eb985d51 [2019-11-20 06:45:38,718 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:45:38,719 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/sv-benchmarks/c/array-fpi/s5iff.c [2019-11-20 06:45:38,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak/data/8539a37be/78ba6674b468438aad74e04c69c8c9b4/FLAG5eb985d51 [2019-11-20 06:45:38,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak/data/8539a37be/78ba6674b468438aad74e04c69c8c9b4 [2019-11-20 06:45:38,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:45:38,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:45:38,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:45:38,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:45:38,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:45:38,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:38" (1/1) ... [2019-11-20 06:45:38,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf41693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:38, skipping insertion in model container [2019-11-20 06:45:38,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:38" (1/1) ... [2019-11-20 06:45:38,764 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:45:38,783 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:45:39,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:45:39,046 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:45:39,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:45:39,078 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:45:39,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39 WrapperNode [2019-11-20 06:45:39,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:45:39,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:45:39,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:45:39,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:45:39,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2019-11-20 06:45:39,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2019-11-20 06:45:39,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:45:39,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:45:39,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:45:39,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:45:39,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2019-11-20 06:45:39,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2019-11-20 06:45:39,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2019-11-20 06:45:39,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2019-11-20 06:45:39,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2019-11-20 06:45:39,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2019-11-20 06:45:39,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... [2019-11-20 06:45:39,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:45:39,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:45:39,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:45:39,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:45:39,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/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 06:45:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:45:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 06:45:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 06:45:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:45:39,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:45:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 06:45:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:45:39,503 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:45:39,503 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 06:45:39,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:39 BoogieIcfgContainer [2019-11-20 06:45:39,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:45:39,505 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 06:45:39,505 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 06:45:39,515 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 06:45:39,515 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:39" (1/1) ... [2019-11-20 06:45:39,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:45:39,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:45:39,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2019-11-20 06:45:39,557 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-11-20 06:45:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 06:45:39,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:45:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:39,729 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 06:45:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:45:39,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2019-11-20 06:45:39,777 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2019-11-20 06:45:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 06:45:39,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:45:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:45:39,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 06:45:39,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:45:39,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2019-11-20 06:45:39,929 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2019-11-20 06:45:39,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 06:45:39,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:45:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:45:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:45:40,027 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2019-11-20 06:45:40,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:45:40 ImpRootNode [2019-11-20 06:45:40,065 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 06:45:40,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:45:40,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:45:40,066 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:45:40,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:39" (3/4) ... [2019-11-20 06:45:40,069 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 06:45:40,119 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c2a4574f-bd99-4d5c-b9fb-d71cc84d6fa0/bin/ukojak/witness.graphml [2019-11-20 06:45:40,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:45:40,121 INFO L168 Benchmark]: Toolchain (without parser) took 1374.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -75.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:45:40,122 INFO L168 Benchmark]: CDTParser took 0.24 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 06:45:40,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:45:40,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:45:40,123 INFO L168 Benchmark]: Boogie Preprocessor took 24.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:45:40,124 INFO L168 Benchmark]: RCFGBuilder took 367.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:45:40,125 INFO L168 Benchmark]: CodeCheck took 559.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:45:40,125 INFO L168 Benchmark]: Witness Printer took 54.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:45:40,128 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, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 34 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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 - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long sum[1]; [L24] int *a = malloc(sizeof(int)*N); [L26] sum[0] = 1 [L27] i=0 VAL [N=1] [L27] COND TRUE i