./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res1of.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_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/res1of.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/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 eb6d7af94d79d093d56acf241012a79e58e902f8 ................................................................................................................................................................................................................................................................................................... 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 09:45:46,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 09:45:46,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 09:45:46,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 09:45:46,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 09:45:46,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 09:45:46,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 09:45:46,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 09:45:46,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 09:45:46,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 09:45:46,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 09:45:46,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 09:45:46,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 09:45:46,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 09:45:46,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 09:45:46,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 09:45:46,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 09:45:46,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 09:45:46,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 09:45:46,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 09:45:46,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 09:45:46,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 09:45:46,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 09:45:46,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 09:45:46,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 09:45:46,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 09:45:46,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 09:45:46,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 09:45:46,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 09:45:46,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 09:45:46,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 09:45:46,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 09:45:46,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 09:45:46,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 09:45:46,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 09:45:46,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 09:45:46,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 09:45:46,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 09:45:46,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 09:45:46,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 09:45:46,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 09:45:46,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 09:45:46,939 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 09:45:46,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 09:45:46,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 09:45:46,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 09:45:46,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 09:45:46,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 09:45:46,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 09:45:46,941 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 09:45:46,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 09:45:46,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 09:45:46,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 09:45:46,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 09:45:46,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 09:45:46,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 09:45:46,942 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 09:45:46,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 09:45:46,942 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 09:45:46,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 09:45:46,942 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 09:45:46,942 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 09:45:46,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 09:45:46,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 09:45:46,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 09:45:46,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 09:45:46,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 09:45:46,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 09:45:46,943 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 09:45:46,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 09:45:46,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 09:45:46,944 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_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/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 -> eb6d7af94d79d093d56acf241012a79e58e902f8 [2019-12-01 09:45:47,043 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 09:45:47,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 09:45:47,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 09:45:47,058 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 09:45:47,058 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 09:45:47,059 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/bin/ukojak/../../sv-benchmarks/c/array-fpi/res1of.c [2019-12-01 09:45:47,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/bin/ukojak/data/04ab5fc76/492e4cdafaea498981d24590c01ae6f9/FLAGd0cfde4d8 [2019-12-01 09:45:47,465 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 09:45:47,465 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/sv-benchmarks/c/array-fpi/res1of.c [2019-12-01 09:45:47,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/bin/ukojak/data/04ab5fc76/492e4cdafaea498981d24590c01ae6f9/FLAGd0cfde4d8 [2019-12-01 09:45:47,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/bin/ukojak/data/04ab5fc76/492e4cdafaea498981d24590c01ae6f9 [2019-12-01 09:45:47,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 09:45:47,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 09:45:47,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 09:45:47,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 09:45:47,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 09:45:47,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:45:47" (1/1) ... [2019-12-01 09:45:47,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea804c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:45:47, skipping insertion in model container [2019-12-01 09:45:47,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:45:47" (1/1) ... [2019-12-01 09:45:47,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 09:45:47,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 09:45:47,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 09:45:47,663 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 09:45:47,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 09:45:47,688 INFO L208 MainTranslator]: Completed translation [2019-12-01 09:45:47,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:45:47 WrapperNode [2019-12-01 09:45:47,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 09:45:47,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 09:45:47,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 09:45:47,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 09:45:47,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:45:47" (1/1) ... [2019-12-01 09:45:47,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:45:47" (1/1) ... [2019-12-01 09:45:47,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 09:45:47,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 09:45:47,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 09:45:47,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 09:45:47,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:45:47" (1/1) ... [2019-12-01 09:45:47,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:45:47" (1/1) ... [2019-12-01 09:45:47,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:45:47" (1/1) ... [2019-12-01 09:45:47,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:45:47" (1/1) ... [2019-12-01 09:45:47,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:45:47" (1/1) ... [2019-12-01 09:45:47,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:45:47" (1/1) ... [2019-12-01 09:45:47,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:45:47" (1/1) ... [2019-12-01 09:45:47,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 09:45:47,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 09:45:47,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 09:45:47,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 09:45:47,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:45:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/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 09:45:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 09:45:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 09:45:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 09:45:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 09:45:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 09:45:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 09:45:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 09:45:47,964 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 09:45:47,964 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-12-01 09:45:47,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:45:47 BoogieIcfgContainer [2019-12-01 09:45:47,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 09:45:47,965 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 09:45:47,966 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 09:45:47,972 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 09:45:47,972 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:45:47" (1/1) ... [2019-12-01 09:45:47,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 09:45:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:45:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2019-12-01 09:45:48,001 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2019-12-01 09:45:48,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 09:45:48,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:45:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:45:48,126 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 09:45:48,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:45:48,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2019-12-01 09:45:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2019-12-01 09:45:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 09:45:48,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:45:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:45:48,234 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 09:45:48,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:45:48,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2019-12-01 09:45:48,309 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2019-12-01 09:45:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 09:45:48,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:45:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:45:48,339 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 09:45:48,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:45:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 19 states and 38 transitions. [2019-12-01 09:45:48,461 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 38 transitions. [2019-12-01 09:45:48,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 09:45:48,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:45:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:45:48,482 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 09:45:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:45:48,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 42 transitions. [2019-12-01 09:45:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 42 transitions. [2019-12-01 09:45:48,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 09:45:48,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:45:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:45:48,521 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 09:45:48,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:45:48,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 21 states and 45 transitions. [2019-12-01 09:45:48,575 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 45 transitions. [2019-12-01 09:45:48,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 09:45:48,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:45:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:45:48,596 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 09:45:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:45:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 22 states and 49 transitions. [2019-12-01 09:45:48,622 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 49 transitions. [2019-12-01 09:45:48,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 09:45:48,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:45:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 09:45:48,640 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 09:45:48,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 09:45:48,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 23 states and 52 transitions. [2019-12-01 09:45:48,654 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 52 transitions. [2019-12-01 09:45:48,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 09:45:48,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 09:45:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 09:45:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 09:45:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 09:45:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 09:45:48,741 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2019-12-01 09:45:48,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 09:45:48 ImpRootNode [2019-12-01 09:45:48,766 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 09:45:48,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 09:45:48,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 09:45:48,767 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 09:45:48,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:45:47" (3/4) ... [2019-12-01 09:45:48,768 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 09:45:48,809 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e92d1ccf-c420-4e85-aa8c-92ae2621efeb/bin/ukojak/witness.graphml [2019-12-01 09:45:48,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 09:45:48,811 INFO L168 Benchmark]: Toolchain (without parser) took 1325.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 949.0 MB in the beginning and 951.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 102.4 MB. Max. memory is 11.5 GB. [2019-12-01 09:45:48,812 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 09:45:48,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 949.0 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-12-01 09:45:48,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.84 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 09:45:48,813 INFO L168 Benchmark]: Boogie Preprocessor took 17.04 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 09:45:48,814 INFO L168 Benchmark]: RCFGBuilder took 234.25 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 09:45:48,815 INFO L168 Benchmark]: CodeCheck took 800.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 951.4 MB in the end (delta: 115.8 MB). Peak memory consumption was 115.8 MB. Max. memory is 11.5 GB. [2019-12-01 09:45:48,815 INFO L168 Benchmark]: Witness Printer took 43.19 ms. Allocated memory is still 1.1 GB. Free memory is still 951.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 09:45:48,818 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, 12 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 256 SDtfs, 512 SDslu, 0 SDs, 0 SdLazy, 3556 SolverSat, 940 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 698 GetRequests, 663 SyntacticMatches, 15 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 1504 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 12/12 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); [L25] int *b = malloc(sizeof(int)*N); [L27] sum[0] = 0 [L28] i=0 VAL [N=1] [L28] COND TRUE i