./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina3f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/sina3f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/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 3afaf9186ae95f4ba515abba7ab051a18158289c ................................................................................................................................................................................................................................................................................. 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 0.1.25-f470102 [2019-12-01 05:32:22,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 05:32:22,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 05:32:22,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 05:32:22,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 05:32:22,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 05:32:22,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 05:32:22,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 05:32:22,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 05:32:22,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 05:32:22,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 05:32:22,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 05:32:22,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 05:32:22,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 05:32:22,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 05:32:22,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 05:32:22,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 05:32:22,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 05:32:22,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 05:32:22,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 05:32:22,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 05:32:22,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 05:32:22,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 05:32:22,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 05:32:22,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 05:32:22,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 05:32:22,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 05:32:22,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 05:32:22,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 05:32:22,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 05:32:22,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 05:32:22,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 05:32:22,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 05:32:22,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 05:32:22,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 05:32:22,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 05:32:22,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 05:32:22,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 05:32:22,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 05:32:22,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 05:32:22,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 05:32:22,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 05:32:22,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 05:32:22,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 05:32:22,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 05:32:22,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 05:32:22,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 05:32:22,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 05:32:22,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 05:32:22,635 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 05:32:22,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 05:32:22,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 05:32:22,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 05:32:22,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 05:32:22,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 05:32:22,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 05:32:22,637 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 05:32:22,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 05:32:22,637 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 05:32:22,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 05:32:22,637 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 05:32:22,638 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 05:32:22,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 05:32:22,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 05:32:22,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 05:32:22,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 05:32:22,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 05:32:22,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 05:32:22,639 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 05:32:22,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 05:32:22,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 05:32:22,639 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_2af2b1c4-dfee-4519-a661-12351ac929a5/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 -> 3afaf9186ae95f4ba515abba7ab051a18158289c [2019-12-01 05:32:22,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 05:32:22,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 05:32:22,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 05:32:22,758 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 05:32:22,759 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 05:32:22,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/bin/ukojak/../../sv-benchmarks/c/array-fpi/sina3f.c [2019-12-01 05:32:22,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/bin/ukojak/data/d5d70c78a/6095ae17b7ad4bba87e24ac65395583f/FLAGd94fb1c4e [2019-12-01 05:32:23,209 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 05:32:23,210 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/sv-benchmarks/c/array-fpi/sina3f.c [2019-12-01 05:32:23,214 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/bin/ukojak/data/d5d70c78a/6095ae17b7ad4bba87e24ac65395583f/FLAGd94fb1c4e [2019-12-01 05:32:23,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/bin/ukojak/data/d5d70c78a/6095ae17b7ad4bba87e24ac65395583f [2019-12-01 05:32:23,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 05:32:23,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 05:32:23,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 05:32:23,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 05:32:23,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 05:32:23,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:32:23" (1/1) ... [2019-12-01 05:32:23,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d78df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:23, skipping insertion in model container [2019-12-01 05:32:23,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:32:23" (1/1) ... [2019-12-01 05:32:23,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 05:32:23,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 05:32:23,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 05:32:23,391 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 05:32:23,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 05:32:23,417 INFO L208 MainTranslator]: Completed translation [2019-12-01 05:32:23,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:23 WrapperNode [2019-12-01 05:32:23,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 05:32:23,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 05:32:23,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 05:32:23,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 05:32:23,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:23" (1/1) ... [2019-12-01 05:32:23,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:23" (1/1) ... [2019-12-01 05:32:23,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 05:32:23,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 05:32:23,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 05:32:23,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 05:32:23,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:23" (1/1) ... [2019-12-01 05:32:23,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:23" (1/1) ... [2019-12-01 05:32:23,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:23" (1/1) ... [2019-12-01 05:32:23,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:23" (1/1) ... [2019-12-01 05:32:23,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:23" (1/1) ... [2019-12-01 05:32:23,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:23" (1/1) ... [2019-12-01 05:32:23,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:23" (1/1) ... [2019-12-01 05:32:23,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 05:32:23,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 05:32:23,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 05:32:23,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 05:32:23,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/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 [2019-12-01 05:32:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 05:32:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 05:32:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 05:32:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 05:32:23,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 05:32:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 05:32:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 05:32:23,738 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 05:32:23,739 INFO L287 CfgBuilder]: Removed 11 assume(true) statements. [2019-12-01 05:32:23,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:32:23 BoogieIcfgContainer [2019-12-01 05:32:23,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 05:32:23,740 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 05:32:23,740 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 05:32:23,747 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 05:32:23,747 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:32:23" (1/1) ... [2019-12-01 05:32:23,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 05:32:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:32:23,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2019-12-01 05:32:23,775 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2019-12-01 05:32:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 05:32:23,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:32:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:32:23,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:32:23,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:32:23,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2019-12-01 05:32:23,922 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2019-12-01 05:32:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 05:32:23,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:32:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:32:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 05:32:24,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:32:24,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2019-12-01 05:32:24,004 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2019-12-01 05:32:24,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 05:32:24,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:32:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:32:24,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 05:32:24,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:32:24,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2019-12-01 05:32:24,056 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2019-12-01 05:32:24,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 05:32:24,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:32:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:32:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 05:32:24,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:32:24,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2019-12-01 05:32:24,116 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2019-12-01 05:32:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 05:32:24,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:32:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 05:32:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 05:32:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 05:32:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 05:32:24,220 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2019-12-01 05:32:24,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:32:24 ImpRootNode [2019-12-01 05:32:24,246 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 05:32:24,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 05:32:24,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 05:32:24,247 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 05:32:24,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:32:23" (3/4) ... [2019-12-01 05:32:24,249 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 05:32:24,287 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2af2b1c4-dfee-4519-a661-12351ac929a5/bin/ukojak/witness.graphml [2019-12-01 05:32:24,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 05:32:24,288 INFO L168 Benchmark]: Toolchain (without parser) took 1063.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 940.8 MB in the beginning and 1.0 GB in the end (delta: -61.6 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2019-12-01 05:32:24,289 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:32:24,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-01 05:32:24,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.34 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. [2019-12-01 05:32:24,290 INFO L168 Benchmark]: Boogie Preprocessor took 17.72 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 05:32:24,290 INFO L168 Benchmark]: RCFGBuilder took 278.05 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-12-01 05:32:24,290 INFO L168 Benchmark]: CodeCheck took 506.29 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: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. [2019-12-01 05:32:24,291 INFO L168 Benchmark]: Witness Printer took 40.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 05:32:24,293 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, 13 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 120 SDtfs, 48 SDslu, 0 SDs, 0 SdLazy, 214 SolverSat, 94 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 349 GetRequests, 334 SyntacticMatches, 9 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, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 842 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 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] long long *a = malloc(sizeof(long long)*N); [L25] int *b = malloc(sizeof(int)*N); [L27] sum[0] = 1 [L28] i=0 VAL [N=1] [L28] COND TRUE i