./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ca9b729f2ec82a71f4bbd71180c30ba5c27c5d4 ..................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-03 11:00:54,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 11:00:54,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 11:00:54,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 11:00:54,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 11:00:54,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 11:00:54,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 11:00:54,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 11:00:54,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 11:00:54,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 11:00:54,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 11:00:54,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 11:00:54,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 11:00:54,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 11:00:54,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 11:00:54,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 11:00:54,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 11:00:54,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 11:00:54,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 11:00:54,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 11:00:54,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 11:00:54,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 11:00:54,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 11:00:54,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 11:00:54,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 11:00:54,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 11:00:54,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 11:00:54,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 11:00:54,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 11:00:54,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 11:00:54,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 11:00:54,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 11:00:54,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 11:00:54,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 11:00:54,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 11:00:54,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 11:00:54,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 11:00:54,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 11:00:54,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 11:00:54,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 11:00:54,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 11:00:54,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-03 11:00:54,410 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 11:00:54,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 11:00:54,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 11:00:54,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-03 11:00:54,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 11:00:54,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 11:00:54,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 11:00:54,414 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 11:00:54,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 11:00:54,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 11:00:54,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 11:00:54,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 11:00:54,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 11:00:54,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 11:00:54,416 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 11:00:54,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 11:00:54,417 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 11:00:54,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 11:00:54,417 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-03 11:00:54,418 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-03 11:00:54,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 11:00:54,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-03 11:00:54,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 11:00:54,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 11:00:54,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 11:00:54,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 11:00:54,419 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-03 11:00:54,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 11:00:54,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 11:00:54,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ca9b729f2ec82a71f4bbd71180c30ba5c27c5d4 [2020-12-03 11:00:54,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 11:00:54,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 11:00:54,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 11:00:54,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 11:00:54,774 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 11:00:54,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2020-12-03 11:00:54,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak/data/b64a1f2f8/132642d01eb84218bdf875baa309ea69/FLAG70088d2d4 [2020-12-03 11:00:55,408 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 11:00:55,409 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2020-12-03 11:00:55,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak/data/b64a1f2f8/132642d01eb84218bdf875baa309ea69/FLAG70088d2d4 [2020-12-03 11:00:55,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak/data/b64a1f2f8/132642d01eb84218bdf875baa309ea69 [2020-12-03 11:00:55,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 11:00:55,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 11:00:55,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 11:00:55,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 11:00:55,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 11:00:55,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:00:55" (1/1) ... [2020-12-03 11:00:55,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c6be660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:00:55, skipping insertion in model container [2020-12-03 11:00:55,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:00:55" (1/1) ... [2020-12-03 11:00:55,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 11:00:55,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 11:00:56,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:00:56,018 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 11:00:56,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:00:56,049 INFO L208 MainTranslator]: Completed translation [2020-12-03 11:00:56,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:00:56 WrapperNode [2020-12-03 11:00:56,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 11:00:56,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 11:00:56,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 11:00:56,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 11:00:56,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:00:56" (1/1) ... [2020-12-03 11:00:56,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:00:56" (1/1) ... [2020-12-03 11:00:56,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 11:00:56,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 11:00:56,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 11:00:56,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 11:00:56,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:00:56" (1/1) ... [2020-12-03 11:00:56,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:00:56" (1/1) ... [2020-12-03 11:00:56,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:00:56" (1/1) ... [2020-12-03 11:00:56,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:00:56" (1/1) ... [2020-12-03 11:00:56,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:00:56" (1/1) ... [2020-12-03 11:00:56,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:00:56" (1/1) ... [2020-12-03 11:00:56,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:00:56" (1/1) ... [2020-12-03 11:00:56,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 11:00:56,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 11:00:56,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 11:00:56,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 11:00:56,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:00:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/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 [2020-12-03 11:00:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 11:00:56,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 11:00:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 11:00:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 11:00:56,524 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 11:00:56,524 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-03 11:00:56,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:00:56 BoogieIcfgContainer [2020-12-03 11:00:56,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 11:00:56,528 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-03 11:00:56,528 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-03 11:00:56,539 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-03 11:00:56,540 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:00:56" (1/1) ... [2020-12-03 11:00:56,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 11:00:56,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2020-12-03 11:00:56,588 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2020-12-03 11:00:56,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 11:00:56,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:00:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:56,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2020-12-03 11:00:56,848 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2020-12-03 11:00:56,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 11:00:56,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:00:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2020-12-03 11:00:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-12-03 11:00:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 11:00:57,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:00:57,104 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:00:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:00:57,140 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:00:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:00:57,190 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:00:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:00:57,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:00:57,244 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2020-12-03 11:00:57,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 11:00:57 ImpRootNode [2020-12-03 11:00:57,268 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-03 11:00:57,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 11:00:57,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 11:00:57,269 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 11:00:57,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:00:56" (3/4) ... [2020-12-03 11:00:57,272 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-03 11:00:57,318 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2b9a262f-8dda-4f26-b767-cd52473ad35c/bin/ukojak/witness.graphml [2020-12-03 11:00:57,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 11:00:57,325 INFO L168 Benchmark]: Toolchain (without parser) took 1548.57 ms. Allocated memory is still 109.1 MB. Free memory was 84.5 MB in the beginning and 72.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-12-03 11:00:57,326 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 50.2 MB in the beginning and 50.2 MB in the end (delta: 56.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:00:57,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.51 ms. Allocated memory is still 109.1 MB. Free memory was 84.3 MB in the beginning and 86.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 11:00:57,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.80 ms. Allocated memory is still 109.1 MB. Free memory was 86.8 MB in the beginning and 85.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:00:57,334 INFO L168 Benchmark]: Boogie Preprocessor took 18.29 ms. Allocated memory is still 109.1 MB. Free memory was 85.4 MB in the beginning and 84.5 MB in the end (delta: 899.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:00:57,335 INFO L168 Benchmark]: RCFGBuilder took 413.87 ms. Allocated memory is still 109.1 MB. Free memory was 84.5 MB in the beginning and 72.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-03 11:00:57,336 INFO L168 Benchmark]: CodeCheck took 740.47 ms. Allocated memory is still 109.1 MB. Free memory was 72.2 MB in the beginning and 74.5 MB in the end (delta: -2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:00:57,337 INFO L168 Benchmark]: Witness Printer took 52.26 ms. Allocated memory is still 109.1 MB. Free memory was 74.5 MB in the beginning and 72.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:00:57,346 INFO L339 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, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 48 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int i=0; [L15] COND TRUE i<5 [L16] i++ [L18] (i!=3) ? (0) : __blast_assert () [L15] COND TRUE i<5 [L16] i++ [L18] (i!=3) ? (0) : __blast_assert () [L15] COND TRUE i<5 [L16] i++ [L18] (i!=3) ? (0) : __blast_assert () [L3] __assert_fail("0", "test_while_int.c_1.i", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 50.2 MB in the beginning and 50.2 MB in the end (delta: 56.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 274.51 ms. Allocated memory is still 109.1 MB. Free memory was 84.3 MB in the beginning and 86.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.80 ms. Allocated memory is still 109.1 MB. Free memory was 86.8 MB in the beginning and 85.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.29 ms. Allocated memory is still 109.1 MB. Free memory was 85.4 MB in the beginning and 84.5 MB in the end (delta: 899.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 413.87 ms. Allocated memory is still 109.1 MB. Free memory was 84.5 MB in the beginning and 72.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 740.47 ms. Allocated memory is still 109.1 MB. Free memory was 72.2 MB in the beginning and 74.5 MB in the end (delta: -2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 52.26 ms. Allocated memory is still 109.1 MB. Free memory was 74.5 MB in the beginning and 72.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...