./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/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 87afddccfd1da763b81be9f487d95a8fd1750032 ......................................................................................................................................................................................................................... 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-cad4683 [2019-10-22 10:12:59,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:59,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:13:00,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:13:00,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:13:00,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:13:00,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:13:00,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:13:00,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:13:00,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:13:00,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:13:00,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:13:00,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:13:00,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:13:00,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:13:00,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:13:00,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:13:00,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:13:00,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:13:00,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:13:00,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:13:00,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:13:00,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:13:00,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:13:00,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:13:00,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:13:00,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:13:00,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:13:00,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:13:00,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:13:00,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:13:00,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:13:00,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:13:00,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:13:00,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:13:00,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:13:00,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:13:00,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:13:00,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:13:00,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:13:00,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:13:00,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:13:00,046 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:13:00,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:13:00,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:13:00,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:13:00,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:13:00,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:13:00,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:13:00,049 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:13:00,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:13:00,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:13:00,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:13:00,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:13:00,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:13:00,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:13:00,050 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:13:00,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:13:00,050 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:13:00,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:13:00,053 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:13:00,053 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:13:00,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:13:00,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:13:00,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:00,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:13:00,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:13:00,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:13:00,055 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:13:00,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:13:00,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:13:00,055 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/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/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 -> 87afddccfd1da763b81be9f487d95a8fd1750032 [2019-10-22 10:13:00,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:13:00,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:13:00,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:13:00,107 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:13:00,110 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:13:00,111 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-10-22 10:13:00,153 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/bin/ukojak/data/2439a74cd/bdbc7de0b8114e6a998bb7876536f355/FLAGe823e106b [2019-10-22 10:13:00,518 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:13:00,518 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-10-22 10:13:00,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/bin/ukojak/data/2439a74cd/bdbc7de0b8114e6a998bb7876536f355/FLAGe823e106b [2019-10-22 10:13:00,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/bin/ukojak/data/2439a74cd/bdbc7de0b8114e6a998bb7876536f355 [2019-10-22 10:13:00,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:13:00,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:13:00,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:00,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:13:00,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:13:00,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:00" (1/1) ... [2019-10-22 10:13:00,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebb255b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00, skipping insertion in model container [2019-10-22 10:13:00,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:00" (1/1) ... [2019-10-22 10:13:00,557 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:13:00,571 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:13:00,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:00,695 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:13:00,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:00,775 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:13:00,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00 WrapperNode [2019-10-22 10:13:00,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:00,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:00,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:13:00,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:13:00,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00" (1/1) ... [2019-10-22 10:13:00,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00" (1/1) ... [2019-10-22 10:13:00,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:00,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:13:00,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:13:00,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:13:00,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00" (1/1) ... [2019-10-22 10:13:00,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00" (1/1) ... [2019-10-22 10:13:00,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00" (1/1) ... [2019-10-22 10:13:00,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00" (1/1) ... [2019-10-22 10:13:00,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00" (1/1) ... [2019-10-22 10:13:00,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00" (1/1) ... [2019-10-22 10:13:00,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00" (1/1) ... [2019-10-22 10:13:00,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:13:00,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:13:00,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:13:00,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:13:00,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/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 [2019-10-22 10:13:00,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:13:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:13:01,022 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:13:01,022 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 10:13:01,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:01 BoogieIcfgContainer [2019-10-22 10:13:01,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:13:01,024 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:13:01,024 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:13:01,034 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:13:01,035 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:01" (1/1) ... [2019-10-22 10:13:01,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:13:01,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:01,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2019-10-22 10:13:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-10-22 10:13:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:13:01,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2019-10-22 10:13:01,263 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-10-22 10:13:01,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:13:01,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:01,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2019-10-22 10:13:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-10-22 10:13:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:13:01,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:01,567 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2019-10-22 10:13:01,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:13:01 ImpRootNode [2019-10-22 10:13:01,586 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:13:01,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:13:01,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:13:01,586 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:13:01,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:01" (3/4) ... [2019-10-22 10:13:01,589 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:13:01,634 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5507da73-b8da-48bd-99d1-e2ece54caef5/bin/ukojak/witness.graphml [2019-10-22 10:13:01,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:13:01,636 INFO L168 Benchmark]: Toolchain (without parser) took 1098.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). Peak memory consumption was 327.7 kB. Max. memory is 11.5 GB. [2019-10-22 10:13:01,640 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-10-22 10:13:01,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:01,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.95 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. [2019-10-22 10:13:01,641 INFO L168 Benchmark]: Boogie Preprocessor took 18.46 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. [2019-10-22 10:13:01,641 INFO L168 Benchmark]: RCFGBuilder took 200.83 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:01,642 INFO L168 Benchmark]: CodeCheck took 561.55 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:01,642 INFO L168 Benchmark]: Witness Printer took 48.22 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:01,646 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, 0 SDs, 0 SdLazy, 44 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s 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, 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: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] int i=0; [L13] COND TRUE i<5 [L14] i++ [L16] (i!=3) ? (0) : __blast_assert () [L13] COND TRUE i<5 [L14] i++ [L16] (i!=3) ? (0) : __blast_assert () [L13] COND TRUE i<5 [L14] i++ [L16] (i!=3) ? (0) : __blast_assert () [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 234.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.95 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. * Boogie Preprocessor took 18.46 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. * RCFGBuilder took 200.83 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 561.55 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: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Witness Printer took 48.22 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...