/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dea210a9 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f5bdb078d6ad5b90a3e716506f89d68a310f749 ..................................................................................................................................................................................................................................................................... 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-dea210a [2018-11-23 15:50:57,176 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:50:57,178 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:50:57,190 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:50:57,190 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:50:57,192 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:50:57,193 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:50:57,195 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:50:57,197 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:50:57,198 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:50:57,199 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:50:57,199 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:50:57,200 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:50:57,201 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:50:57,202 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:50:57,203 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:50:57,203 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:50:57,205 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:50:57,207 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:50:57,209 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:50:57,210 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:50:57,212 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:50:57,214 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:50:57,214 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:50:57,215 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:50:57,216 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:50:57,217 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:50:57,217 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:50:57,218 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:50:57,219 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:50:57,219 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:50:57,220 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:50:57,220 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:50:57,220 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:50:57,221 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:50:57,222 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:50:57,222 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 15:50:57,238 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:50:57,238 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:50:57,239 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:50:57,239 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:50:57,240 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:50:57,240 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:50:57,240 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:50:57,240 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:50:57,240 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:50:57,241 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:50:57,241 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:50:57,241 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:50:57,241 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:50:57,241 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:50:57,241 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:50:57,242 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:50:57,242 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:50:57,242 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:50:57,242 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:50:57,242 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:50:57,242 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:50:57,243 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:50:57,243 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:50:57,243 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:50:57,243 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:50:57,243 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:50:57,244 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:50:57,244 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:50:57,244 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:50:57,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:50:57,244 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 7f5bdb078d6ad5b90a3e716506f89d68a310f749 [2018-11-23 15:50:57,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:50:57,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:50:57,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:50:57,296 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:50:57,296 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:50:57,297 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-23 15:50:57,359 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae524de7f/bd37093c70734ef7a1efe4118388e09c/FLAG0d088a6b7 [2018-11-23 15:50:57,737 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:50:57,738 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-23 15:50:57,743 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae524de7f/bd37093c70734ef7a1efe4118388e09c/FLAG0d088a6b7 [2018-11-23 15:50:57,755 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae524de7f/bd37093c70734ef7a1efe4118388e09c [2018-11-23 15:50:57,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:50:57,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:50:57,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:50:57,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:50:57,764 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:50:57,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8977d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57, skipping insertion in model container [2018-11-23 15:50:57,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:50:57,796 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:50:57,967 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:50:57,970 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:50:57,983 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:50:57,996 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:50:57,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57 WrapperNode [2018-11-23 15:50:57,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:50:57,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:50:57,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:50:57,997 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:50:58,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:58,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:58,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:50:58,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:50:58,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:50:58,017 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:50:58,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:58,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:58,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:58,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:58,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:58,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:58,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:58,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:50:58,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:50:58,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:50:58,040 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:50:58,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-23 15:50:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:50:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:50:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:50:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:50:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:50:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:50:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 15:50:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 15:50:58,277 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:50:58,277 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 15:50:58,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:58 BoogieIcfgContainer [2018-11-23 15:50:58,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:50:58,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:50:58,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:50:58,281 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:50:58,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:50:57" (1/3) ... [2018-11-23 15:50:58,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd38605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:50:58, skipping insertion in model container [2018-11-23 15:50:58,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (2/3) ... [2018-11-23 15:50:58,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd38605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:50:58, skipping insertion in model container [2018-11-23 15:50:58,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:58" (3/3) ... [2018-11-23 15:50:58,284 INFO L112 eAbstractionObserver]: Analyzing ICFG bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-23 15:50:58,292 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:50:58,298 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:50:58,311 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:50:58,339 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:50:58,339 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:50:58,340 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:50:58,340 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:50:58,340 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:50:58,340 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:50:58,340 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:50:58,340 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:50:58,340 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:50:58,358 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-23 15:50:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 15:50:58,364 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:58,365 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:58,367 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:58,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:58,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1871509567, now seen corresponding path program 1 times [2018-11-23 15:50:58,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:50:58,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:50:58,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:58,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:58,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:50:58,469 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 15:50:58,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:50:58,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 15:50:58,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 15:50:58,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 15:50:58,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:50:58,490 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-11-23 15:50:58,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:50:58,507 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2018-11-23 15:50:58,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 15:50:58,508 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-23 15:50:58,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:50:58,515 INFO L225 Difference]: With dead ends: 31 [2018-11-23 15:50:58,515 INFO L226 Difference]: Without dead ends: 12 [2018-11-23 15:50:58,518 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 15:50:58,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-11-23 15:50:58,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-11-23 15:50:58,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 15:50:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-11-23 15:50:58,547 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-11-23 15:50:58,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:50:58,547 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-11-23 15:50:58,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 15:50:58,547 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-11-23 15:50:58,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 15:50:58,548 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:50:58,548 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:50:58,548 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:50:58,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:50:58,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1890620952, now seen corresponding path program 1 times [2018-11-23 15:50:58,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:50:58,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:50:58,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:58,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:50:58,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:50:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:50:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:50:58,594 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-23 15:50:58,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:50:58 BoogieIcfgContainer [2018-11-23 15:50:58,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:50:58,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:50:58,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:50:58,620 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:50:58,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:58" (3/4) ... [2018-11-23 15:50:58,622 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-23 15:50:58,655 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-23 15:50:58,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:50:58,656 INFO L168 Benchmark]: Toolchain (without parser) took 896.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -112.3 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,657 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:50:58,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.77 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.51 ms. Allocated memory is still 1.0 GB. Free memory is still 938.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:50:58,659 INFO L168 Benchmark]: Boogie Preprocessor took 23.21 ms. Allocated memory is still 1.0 GB. Free memory was 938.4 MB in the beginning and 933.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,659 INFO L168 Benchmark]: RCFGBuilder took 237.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 933.0 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,660 INFO L168 Benchmark]: TraceAbstraction took 340.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,661 INFO L168 Benchmark]: Witness Printer took 35.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:50:58,665 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 235.77 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.4 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 19.51 ms. Allocated memory is still 1.0 GB. Free memory is still 938.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.21 ms. Allocated memory is still 1.0 GB. Free memory was 938.4 MB in the beginning and 933.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 237.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 933.0 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 340.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * Witness Printer took 35.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] unsigned int x = 5; VAL [x=5] [L11] COND FALSE !(__VERIFIER_nondet_int()) [L14] CALL __VERIFIER_assert((x & 5) == 5) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...