./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.i -s /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/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 5a78e5ac8a70d10b48fa6c5955c8640de4def14b ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:56:32,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:56:32,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:56:32,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:56:32,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:56:32,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:56:32,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:56:32,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:56:32,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:56:32,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:56:32,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:56:32,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:56:32,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:56:32,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:56:32,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:56:32,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:56:32,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:56:32,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:56:32,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:56:32,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:56:32,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:56:32,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:56:32,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:56:32,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:56:32,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:56:32,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:56:32,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:56:32,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:56:32,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:56:32,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:56:32,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:56:32,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:56:32,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:56:32,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:56:32,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:56:32,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:56:32,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:56:32,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:56:32,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:56:32,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:56:32,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:56:32,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 08:56:33,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:56:33,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:56:33,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 08:56:33,017 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 08:56:33,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:56:33,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:56:33,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:56:33,018 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:56:33,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:56:33,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:56:33,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:56:33,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:56:33,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:56:33,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:56:33,019 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:56:33,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:56:33,019 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:56:33,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:56:33,019 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 08:56:33,019 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 08:56:33,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:56:33,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:56:33,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 08:56:33,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:56:33,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:56:33,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:56:33,021 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 08:56:33,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:56:33,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:56:33,021 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_822dfe54-1cbf-479e-9679-d29b9ab64bde/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 -> 5a78e5ac8a70d10b48fa6c5955c8640de4def14b [2019-11-20 08:56:33,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:56:33,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:56:33,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:56:33,177 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:56:33,178 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:56:33,178 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test_while_int.i [2019-11-20 08:56:33,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/bin/ukojak/data/3a917f973/eb3b2568f855429b8757c7569bc21f59/FLAGd41e31702 [2019-11-20 08:56:33,616 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:56:33,616 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/sv-benchmarks/c/ldv-regression/test_while_int.i [2019-11-20 08:56:33,623 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/bin/ukojak/data/3a917f973/eb3b2568f855429b8757c7569bc21f59/FLAGd41e31702 [2019-11-20 08:56:34,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/bin/ukojak/data/3a917f973/eb3b2568f855429b8757c7569bc21f59 [2019-11-20 08:56:34,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:56:34,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:56:34,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:56:34,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:56:34,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:56:34,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:56:34" (1/1) ... [2019-11-20 08:56:34,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcc30d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:34, skipping insertion in model container [2019-11-20 08:56:34,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:56:34" (1/1) ... [2019-11-20 08:56:34,046 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:56:34,056 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:56:34,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:56:34,188 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:56:34,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:56:34,274 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:56:34,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:34 WrapperNode [2019-11-20 08:56:34,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:56:34,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:56:34,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:56:34,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:56:34,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:34" (1/1) ... [2019-11-20 08:56:34,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:34" (1/1) ... [2019-11-20 08:56:34,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:56:34,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:56:34,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:56:34,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:56:34,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:34" (1/1) ... [2019-11-20 08:56:34,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:34" (1/1) ... [2019-11-20 08:56:34,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:34" (1/1) ... [2019-11-20 08:56:34,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:34" (1/1) ... [2019-11-20 08:56:34,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:34" (1/1) ... [2019-11-20 08:56:34,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:34" (1/1) ... [2019-11-20 08:56:34,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:34" (1/1) ... [2019-11-20 08:56:34,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:56:34,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:56:34,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:56:34,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:56:34,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 08:56:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:56:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:56:34,615 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:56:34,615 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 08:56:34,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:56:34 BoogieIcfgContainer [2019-11-20 08:56:34,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:56:34,617 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 08:56:34,618 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 08:56:34,627 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 08:56:34,628 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:56:34" (1/1) ... [2019-11-20 08:56:34,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:56:34,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:34,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2019-11-20 08:56:34,681 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-11-20 08:56:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 08:56:34,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2019-11-20 08:56:34,883 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-11-20 08:56:34,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 08:56:34,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:34,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2019-11-20 08:56:35,182 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-20 08:56:35,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 08:56:35,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:56:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:56:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:56:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:56:35,245 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2019-11-20 08:56:35,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 08:56:35 ImpRootNode [2019-11-20 08:56:35,263 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 08:56:35,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:56:35,264 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:56:35,264 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:56:35,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:56:34" (3/4) ... [2019-11-20 08:56:35,266 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 08:56:35,305 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_822dfe54-1cbf-479e-9679-d29b9ab64bde/bin/ukojak/witness.graphml [2019-11-20 08:56:35,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:56:35,307 INFO L168 Benchmark]: Toolchain (without parser) took 1272.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:35,308 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:56:35,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -200.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:35,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:56:35,309 INFO L168 Benchmark]: Boogie Preprocessor took 17.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:56:35,310 INFO L168 Benchmark]: RCFGBuilder took 291.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:35,310 INFO L168 Benchmark]: CodeCheck took 645.64 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: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:35,311 INFO L168 Benchmark]: Witness Printer took 41.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:56:35,313 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, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 6 SDslu, 4 SDs, 0 SdLazy, 42 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 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: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L23] int i=0; [L24] COND TRUE i<5 [L25] i++ [L18] (b) ? (0) : __blast_assert () [L24] COND TRUE i<5 [L25] i++ [L18] (b) ? (0) : __blast_assert () [L24] COND TRUE i<5 [L25] i++ [L18] (b) ? (0) : __blast_assert () [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -200.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 291.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * CodeCheck took 645.64 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: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. * Witness Printer took 41.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...