./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs1f.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_ba8d3953-3c3f-4cc0-97eb-1496af882a52/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs1f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/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 80fd0a896763b908f9317a32a4ce4a8bee26f3fe .............................................................................................................................................................................................................................................. 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 09:46:24,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:46:24,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:46:24,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:46:24,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:46:24,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:46:24,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:46:24,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:46:24,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:46:24,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:46:24,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:46:24,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:46:24,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:46:24,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:46:24,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:46:24,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:46:24,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:46:24,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:46:24,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:46:24,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:46:24,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:46:24,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:46:24,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:46:24,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:46:24,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:46:24,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:46:24,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:46:24,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:46:24,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:46:24,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:46:24,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:46:24,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:46:24,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:46:24,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:46:24,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:46:24,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:46:24,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:46:24,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:46:24,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:46:24,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:46:24,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:46:24,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 09:46:24,667 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:46:24,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:46:24,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 09:46:24,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 09:46:24,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:46:24,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:46:24,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:46:24,670 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:46:24,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:46:24,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:46:24,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:46:24,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:46:24,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:46:24,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:46:24,671 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:46:24,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:46:24,671 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:46:24,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:46:24,672 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 09:46:24,672 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 09:46:24,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:46:24,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:46:24,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 09:46:24,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:46:24,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:46:24,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:46:24,673 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 09:46:24,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:46:24,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:46:24,674 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_ba8d3953-3c3f-4cc0-97eb-1496af882a52/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 -> 80fd0a896763b908f9317a32a4ce4a8bee26f3fe [2019-11-20 09:46:24,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:46:24,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:46:24,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:46:24,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:46:24,841 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:46:24,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/bin/ukojak/../../sv-benchmarks/c/array-fpi/brs1f.c [2019-11-20 09:46:24,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/bin/ukojak/data/53fb13ce5/fcd1ca8278714ee882c1493ea07ccb14/FLAGe05ad8461 [2019-11-20 09:46:25,287 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:46:25,287 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/sv-benchmarks/c/array-fpi/brs1f.c [2019-11-20 09:46:25,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/bin/ukojak/data/53fb13ce5/fcd1ca8278714ee882c1493ea07ccb14/FLAGe05ad8461 [2019-11-20 09:46:25,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/bin/ukojak/data/53fb13ce5/fcd1ca8278714ee882c1493ea07ccb14 [2019-11-20 09:46:25,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:46:25,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:46:25,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:46:25,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:46:25,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:46:25,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:46:25" (1/1) ... [2019-11-20 09:46:25,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7814d67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:25, skipping insertion in model container [2019-11-20 09:46:25,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:46:25" (1/1) ... [2019-11-20 09:46:25,320 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:46:25,336 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:46:25,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:46:25,640 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:46:25,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:46:25,689 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:46:25,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:25 WrapperNode [2019-11-20 09:46:25,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:46:25,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:46:25,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:46:25,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:46:25,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:25" (1/1) ... [2019-11-20 09:46:25,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:25" (1/1) ... [2019-11-20 09:46:25,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:46:25,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:46:25,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:46:25,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:46:25,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:25" (1/1) ... [2019-11-20 09:46:25,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:25" (1/1) ... [2019-11-20 09:46:25,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:25" (1/1) ... [2019-11-20 09:46:25,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:25" (1/1) ... [2019-11-20 09:46:25,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:25" (1/1) ... [2019-11-20 09:46:25,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:25" (1/1) ... [2019-11-20 09:46:25,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:25" (1/1) ... [2019-11-20 09:46:25,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:46:25,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:46:25,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:46:25,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:46:25,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/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 09:46:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:46:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 09:46:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 09:46:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:46:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:46:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 09:46:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:46:26,171 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:46:26,171 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 09:46:26,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:46:26 BoogieIcfgContainer [2019-11-20 09:46:26,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:46:26,173 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 09:46:26,173 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 09:46:26,182 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 09:46:26,182 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:46:26" (1/1) ... [2019-11-20 09:46:26,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:46:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:26,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2019-11-20 09:46:26,228 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-11-20 09:46:26,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 09:46:26,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:26,451 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 09:46:26,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:26,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2019-11-20 09:46:26,488 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2019-11-20 09:46:26,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 09:46:26,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:26,554 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 09:46:26,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:26,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2019-11-20 09:46:26,667 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2019-11-20 09:46:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 09:46:26,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:46:26,821 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2019-11-20 09:46:26,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 09:46:26 ImpRootNode [2019-11-20 09:46:26,861 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 09:46:26,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:46:26,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:46:26,862 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:46:26,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:46:26" (3/4) ... [2019-11-20 09:46:26,865 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 09:46:26,942 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ba8d3953-3c3f-4cc0-97eb-1496af882a52/bin/ukojak/witness.graphml [2019-11-20 09:46:26,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:46:26,945 INFO L168 Benchmark]: Toolchain (without parser) took 1638.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -120.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:46:26,946 INFO L168 Benchmark]: CDTParser took 0.22 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 09:46:26,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:46:26,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.52 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 09:46:26,947 INFO L168 Benchmark]: Boogie Preprocessor took 22.81 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 09:46:26,948 INFO L168 Benchmark]: RCFGBuilder took 419.71 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: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:46:26,948 INFO L168 Benchmark]: CodeCheck took 688.86 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: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:46:26,948 INFO L168 Benchmark]: Witness Printer took 80.93 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 09:46:26,950 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: 0.6s, 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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] i=0 VAL [N=1] [L26] COND TRUE i