./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/for_bounded_loop1.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_2afb35ae-f90d-4128-b408-1c4c05cf9582/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/for_bounded_loop1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/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 1a0e89cb1a2148382c7546df46cfbb79c04a1e70 .................................................................................................................................................................................................................................................. 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 18:43:37,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 18:43:37,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 18:43:37,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 18:43:37,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 18:43:37,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 18:43:37,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 18:43:37,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 18:43:37,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 18:43:37,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 18:43:37,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 18:43:37,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 18:43:37,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 18:43:37,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 18:43:37,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 18:43:37,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 18:43:37,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 18:43:37,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 18:43:37,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 18:43:37,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 18:43:37,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 18:43:37,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 18:43:37,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 18:43:37,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 18:43:37,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 18:43:37,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 18:43:37,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 18:43:37,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 18:43:37,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 18:43:37,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 18:43:37,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 18:43:37,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 18:43:37,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 18:43:37,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 18:43:37,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 18:43:37,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 18:43:37,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 18:43:37,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 18:43:37,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 18:43:37,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 18:43:37,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 18:43:37,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 18:43:37,415 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 18:43:37,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 18:43:37,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 18:43:37,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 18:43:37,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 18:43:37,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 18:43:37,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 18:43:37,416 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 18:43:37,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 18:43:37,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 18:43:37,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 18:43:37,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 18:43:37,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 18:43:37,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 18:43:37,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 18:43:37,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 18:43:37,417 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 18:43:37,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 18:43:37,417 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 18:43:37,417 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 18:43:37,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 18:43:37,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 18:43:37,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 18:43:37,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 18:43:37,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 18:43:37,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 18:43:37,418 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 18:43:37,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 18:43:37,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 18:43:37,418 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_2afb35ae-f90d-4128-b408-1c4c05cf9582/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 -> 1a0e89cb1a2148382c7546df46cfbb79c04a1e70 [2019-12-01 18:43:37,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 18:43:37,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 18:43:37,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 18:43:37,537 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 18:43:37,537 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 18:43:37,538 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/bin/ukojak/../../sv-benchmarks/c/loops/for_bounded_loop1.c [2019-12-01 18:43:37,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/bin/ukojak/data/1458b51b2/7ad58496759845af87b308360b0fdc5a/FLAGb157d4340 [2019-12-01 18:43:37,888 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 18:43:37,888 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/sv-benchmarks/c/loops/for_bounded_loop1.c [2019-12-01 18:43:37,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/bin/ukojak/data/1458b51b2/7ad58496759845af87b308360b0fdc5a/FLAGb157d4340 [2019-12-01 18:43:37,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/bin/ukojak/data/1458b51b2/7ad58496759845af87b308360b0fdc5a [2019-12-01 18:43:37,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 18:43:37,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 18:43:37,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 18:43:37,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 18:43:37,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 18:43:37,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:43:37" (1/1) ... [2019-12-01 18:43:37,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fee84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:37, skipping insertion in model container [2019-12-01 18:43:37,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:43:37" (1/1) ... [2019-12-01 18:43:37,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 18:43:37,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 18:43:38,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 18:43:38,024 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 18:43:38,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 18:43:38,075 INFO L208 MainTranslator]: Completed translation [2019-12-01 18:43:38,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:38 WrapperNode [2019-12-01 18:43:38,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 18:43:38,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 18:43:38,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 18:43:38,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 18:43:38,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:38" (1/1) ... [2019-12-01 18:43:38,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:38" (1/1) ... [2019-12-01 18:43:38,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 18:43:38,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 18:43:38,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 18:43:38,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 18:43:38,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:38" (1/1) ... [2019-12-01 18:43:38,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:38" (1/1) ... [2019-12-01 18:43:38,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:38" (1/1) ... [2019-12-01 18:43:38,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:38" (1/1) ... [2019-12-01 18:43:38,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:38" (1/1) ... [2019-12-01 18:43:38,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:38" (1/1) ... [2019-12-01 18:43:38,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:38" (1/1) ... [2019-12-01 18:43:38,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 18:43:38,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 18:43:38,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 18:43:38,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 18:43:38,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/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 18:43:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 18:43:38,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 18:43:38,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-12-01 18:43:38,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-12-01 18:43:38,267 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 18:43:38,267 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-01 18:43:38,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:43:38 BoogieIcfgContainer [2019-12-01 18:43:38,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 18:43:38,268 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 18:43:38,268 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 18:43:38,275 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 18:43:38,275 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:43:38" (1/1) ... [2019-12-01 18:43:38,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 18:43:38,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:43:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-12-01 18:43:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-12-01 18:43:38,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 18:43:38,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:43:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:43:38,390 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 18:43:38,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:43:38,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2019-12-01 18:43:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-12-01 18:43:38,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 18:43:38,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:43:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:43:38,496 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 18:43:38,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:43:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 28 transitions. [2019-12-01 18:43:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2019-12-01 18:43:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 18:43:38,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:43:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:43:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:43:38,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:43:38,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 27 transitions. [2019-12-01 18:43:38,771 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2019-12-01 18:43:38,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 18:43:38,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:43:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 18:43:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 18:43:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 18:43:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 18:43:38,831 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2019-12-01 18:43:38,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:43:38 ImpRootNode [2019-12-01 18:43:38,849 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 18:43:38,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 18:43:38,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 18:43:38,850 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 18:43:38,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:43:38" (3/4) ... [2019-12-01 18:43:38,852 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 18:43:38,881 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2afb35ae-f90d-4128-b408-1c4c05cf9582/bin/ukojak/witness.graphml [2019-12-01 18:43:38,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 18:43:38,883 INFO L168 Benchmark]: Toolchain (without parser) took 979.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -116.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2019-12-01 18:43:38,883 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 18:43:38,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -207.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-01 18:43:38,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.68 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. [2019-12-01 18:43:38,884 INFO L168 Benchmark]: Boogie Preprocessor took 13.02 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. [2019-12-01 18:43:38,885 INFO L168 Benchmark]: RCFGBuilder took 157.12 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-01 18:43:38,885 INFO L168 Benchmark]: CodeCheck took 581.11 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: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. [2019-12-01 18:43:38,885 INFO L168 Benchmark]: Witness Printer took 31.98 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. [2019-12-01 18:43:38,887 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 138 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 196 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 1176 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int i=0, x=0, y=0; [L15] int n=__VERIFIER_nondet_int(); [L16] COND FALSE !(!(n>0)) [L17] i=0 [L17] COND TRUE i