./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_4_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_4_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/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 66fc6b12b7cd24de7373fe06aeeb5aec1e7e0e8b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-aa41828 [2018-11-23 04:05:35,643 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:05:35,644 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:05:35,652 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:05:35,652 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:05:35,652 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:05:35,653 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:05:35,654 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:05:35,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:05:35,656 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:05:35,657 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:05:35,657 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:05:35,658 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:05:35,658 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:05:35,659 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:05:35,660 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:05:35,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:05:35,661 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:05:35,663 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:05:35,664 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:05:35,665 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:05:35,665 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:05:35,667 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:05:35,667 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:05:35,667 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:05:35,668 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:05:35,669 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:05:35,669 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:05:35,670 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:05:35,670 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:05:35,671 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:05:35,671 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:05:35,671 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:05:35,671 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:05:35,672 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:05:35,673 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:05:35,673 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 04:05:35,683 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:05:35,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:05:35,683 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:05:35,684 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 04:05:35,684 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:05:35,684 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:05:35,684 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:05:35,685 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:05:35,685 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:05:35,685 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:05:35,685 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:05:35,685 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:05:35,685 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:05:35,686 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:05:35,686 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:05:35,686 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:05:35,686 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:05:35,686 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:05:35,686 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 04:05:35,686 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 04:05:35,687 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:05:35,687 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:05:35,687 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 04:05:35,687 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:05:35,687 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:05:35,687 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:05:35,688 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 04:05:35,688 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:05:35,688 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:05:35,688 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/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 -> 66fc6b12b7cd24de7373fe06aeeb5aec1e7e0e8b [2018-11-23 04:05:35,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:05:35,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:05:35,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:05:35,723 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:05:35,723 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:05:35,723 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/ukojak/../../sv-benchmarks/c/loops/while_infinite_loop_4_false-unreach-call_true-termination.i [2018-11-23 04:05:35,760 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/ukojak/data/d71e55ed0/c57900f304584bcdb8fe8360dbf3e4fa/FLAG4d9681bdc [2018-11-23 04:05:36,150 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:05:36,151 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/sv-benchmarks/c/loops/while_infinite_loop_4_false-unreach-call_true-termination.i [2018-11-23 04:05:36,154 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/ukojak/data/d71e55ed0/c57900f304584bcdb8fe8360dbf3e4fa/FLAG4d9681bdc [2018-11-23 04:05:36,163 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/ukojak/data/d71e55ed0/c57900f304584bcdb8fe8360dbf3e4fa [2018-11-23 04:05:36,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:05:36,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:05:36,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:05:36,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:05:36,169 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:05:36,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:05:36" (1/1) ... [2018-11-23 04:05:36,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9ee6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:36, skipping insertion in model container [2018-11-23 04:05:36,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:05:36" (1/1) ... [2018-11-23 04:05:36,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:05:36,190 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:05:36,287 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:05:36,290 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:05:36,298 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:05:36,306 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:05:36,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:36 WrapperNode [2018-11-23 04:05:36,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:05:36,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:05:36,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:05:36,307 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:05:36,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:36" (1/1) ... [2018-11-23 04:05:36,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:36" (1/1) ... [2018-11-23 04:05:36,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:05:36,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:05:36,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:05:36,334 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:05:36,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:36" (1/1) ... [2018-11-23 04:05:36,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:36" (1/1) ... [2018-11-23 04:05:36,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:36" (1/1) ... [2018-11-23 04:05:36,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:36" (1/1) ... [2018-11-23 04:05:36,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:36" (1/1) ... [2018-11-23 04:05:36,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:36" (1/1) ... [2018-11-23 04:05:36,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:36" (1/1) ... [2018-11-23 04:05:36,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:05:36,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:05:36,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:05:36,347 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:05:36,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/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 [2018-11-23 04:05:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:05:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:05:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 04:05:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 04:05:36,552 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:05:36,552 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 04:05:36,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:05:36 BoogieIcfgContainer [2018-11-23 04:05:36,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:05:36,553 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 04:05:36,553 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 04:05:36,562 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 04:05:36,563 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:05:36" (1/1) ... [2018-11-23 04:05:36,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:05:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:05:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-11-23 04:05:36,606 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-11-23 04:05:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 04:05:36,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:05:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:05:36,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:05:36,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:05:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 9 transitions. [2018-11-23 04:05:36,684 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-23 04:05:36,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 04:05:36,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:05:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:05:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:05:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:05:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 04:05:36,735 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] ~x~0 := 0;havoc main_#res; VAL [~x~0=0] [?] assume !false;BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume false;ParallelCodeBlock2: assume !false;~x~0 := 1;}EndParallelComposition VAL [~x~0=1] [?] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [|__VERIFIER_assert_#in~cond|=0, ~x~0=1] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0, ~x~0=1] [?] assume 0 == ~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0, ~x~0=1] [?] assume !false; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0, ~x~0=1] [L10] ~x~0 := 0; [?] havoc main_#res; VAL [~x~0=0] [L24-L28] assume !false; [L14-L17] assume !false; [L15] ~x~0 := 1; VAL [~x~0=1] [L27] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [#in~cond=0, ~x~0=1] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L5] assert false; VAL [#in~cond=0, ~cond=0, ~x~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L10] ~x~0 := 0; [?] havoc main_#res; VAL [~x~0=0] [L24-L28] assume !false; [L14-L17] assume !false; [L15] ~x~0 := 1; VAL [~x~0=1] [L27] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [#in~cond=0, ~x~0=1] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L5] assert false; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L10] ~x~0 := 0; [?] havoc main_#res; VAL [~x~0=0] [L24-L28] COND FALSE !(false) [L14-L17] COND FALSE !(false) [L15] ~x~0 := 1; VAL [~x~0=1] [L27] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [#in~cond=0, ~x~0=1] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0, ~x~0=1] [L5] assert false; VAL [#in~cond=0, ~cond=0, ~x~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L10] ~x~0 := 0; [?] havoc main_#res; VAL [~x~0=0] [L24-L28] COND FALSE !(false) [L14-L17] COND FALSE !(false) [L15] ~x~0 := 1; VAL [~x~0=1] [L27] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [#in~cond=0, ~x~0=1] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0, ~x~0=1] [L5] assert false; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L10] ~x~0 := 0; [L24-L28] COND FALSE !(false) [L14-L17] COND FALSE !(false) [L15] ~x~0 := 1; VAL [~x~0=1] [L27] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [#in~cond=0, ~x~0=1] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0, ~x~0=1] [L5] assert false; VAL [#in~cond=0, ~cond=0, ~x~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L10] ~x~0 := 0; [L24-L28] COND FALSE !(false) [L14-L17] COND FALSE !(false) [L15] ~x~0 := 1; VAL [~x~0=1] [L27] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [#in~cond=0, ~x~0=1] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0, ~x~0=1] [L5] assert false; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L10] int x=0; [L24] COND TRUE 1 [L14] COND TRUE 1 [L15] x=1 VAL [x=1] [L27] CALL __VERIFIER_assert(x==0) VAL [\old(cond)=0, x=1] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, x=1] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0, x=1] ----- [2018-11-23 04:05:36,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:05:36 ImpRootNode [2018-11-23 04:05:36,771 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 04:05:36,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:05:36,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:05:36,772 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:05:36,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:05:36" (3/4) ... [2018-11-23 04:05:36,774 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] ~x~0 := 0;havoc main_#res; VAL [~x~0=0] [?] assume !false;BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume false;ParallelCodeBlock2: assume !false;~x~0 := 1;}EndParallelComposition VAL [~x~0=1] [?] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [|__VERIFIER_assert_#in~cond|=0, ~x~0=1] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0, ~x~0=1] [?] assume 0 == ~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0, ~x~0=1] [?] assume !false; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0, ~x~0=1] [L10] ~x~0 := 0; [?] havoc main_#res; VAL [~x~0=0] [L24-L28] assume !false; [L14-L17] assume !false; [L15] ~x~0 := 1; VAL [~x~0=1] [L27] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [#in~cond=0, ~x~0=1] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L5] assert false; VAL [#in~cond=0, ~cond=0, ~x~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L10] ~x~0 := 0; [?] havoc main_#res; VAL [~x~0=0] [L24-L28] assume !false; [L14-L17] assume !false; [L15] ~x~0 := 1; VAL [~x~0=1] [L27] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [#in~cond=0, ~x~0=1] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L5] assert false; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L10] ~x~0 := 0; [?] havoc main_#res; VAL [~x~0=0] [L24-L28] COND FALSE !(false) [L14-L17] COND FALSE !(false) [L15] ~x~0 := 1; VAL [~x~0=1] [L27] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [#in~cond=0, ~x~0=1] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0, ~x~0=1] [L5] assert false; VAL [#in~cond=0, ~cond=0, ~x~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L10] ~x~0 := 0; [?] havoc main_#res; VAL [~x~0=0] [L24-L28] COND FALSE !(false) [L14-L17] COND FALSE !(false) [L15] ~x~0 := 1; VAL [~x~0=1] [L27] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [#in~cond=0, ~x~0=1] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0, ~x~0=1] [L5] assert false; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L10] ~x~0 := 0; [L24-L28] COND FALSE !(false) [L14-L17] COND FALSE !(false) [L15] ~x~0 := 1; VAL [~x~0=1] [L27] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [#in~cond=0, ~x~0=1] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0, ~x~0=1] [L5] assert false; VAL [#in~cond=0, ~cond=0, ~x~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L10] ~x~0 := 0; [L24-L28] COND FALSE !(false) [L14-L17] COND FALSE !(false) [L15] ~x~0 := 1; VAL [~x~0=1] [L27] CALL call __VERIFIER_assert((if 0 == ~x~0 then 1 else 0)); VAL [#in~cond=0, ~x~0=1] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0, ~x~0=1] [L5] assert false; VAL [#in~cond=0, ~cond=0, ~x~0=1] [L10] int x=0; [L24] COND TRUE 1 [L14] COND TRUE 1 [L15] x=1 VAL [x=1] [L27] CALL __VERIFIER_assert(x==0) VAL [\old(cond)=0, x=1] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, x=1] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0, x=1] ----- [2018-11-23 04:05:36,805 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4fde2522-7f92-4e1e-bdff-5a37ed30c839/bin-2019/ukojak/witness.graphml [2018-11-23 04:05:36,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:05:36,806 INFO L168 Benchmark]: Toolchain (without parser) took 640.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:05:36,807 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:05:36,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:36,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.16 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:36,809 INFO L168 Benchmark]: Boogie Preprocessor took 12.96 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 943.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:36,809 INFO L168 Benchmark]: RCFGBuilder took 206.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:36,810 INFO L168 Benchmark]: CodeCheck took 218.39 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:36,811 INFO L168 Benchmark]: Witness Printer took 33.67 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. [2018-11-23 04:05:36,816 INFO L336 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, 16 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] int x=0; [L24] COND TRUE 1 [L14] COND TRUE 1 [L15] x=1 VAL [x=1] [L27] CALL __VERIFIER_assert(x==0) VAL [\old(cond)=0, x=1] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, x=1] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0, x=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 140.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.16 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.96 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 943.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 206.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 218.39 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Witness Printer took 33.67 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...