/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-benchs/filter2_iterated_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 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/float-benchs/filter2_iterated_true-unreach-call.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 e71375352cb0ad247550ffa746935e0806d4b0b5 ..................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/float-benchs/filter2_iterated_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 e71375352cb0ad247550ffa746935e0806d4b0b5 .................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 13:57:11,725 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:57:11,728 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:57:11,747 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:57:11,748 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:57:11,749 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:57:11,751 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:57:11,753 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:57:11,761 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:57:11,764 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:57:11,765 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:57:11,765 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:57:11,768 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:57:11,771 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:57:11,772 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:57:11,773 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:57:11,775 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:57:11,776 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:57:11,778 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:57:11,779 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:57:11,780 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:57:11,781 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:57:11,783 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:57:11,784 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:57:11,784 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:57:11,785 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:57:11,787 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:57:11,788 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:57:11,788 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:57:11,792 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:57:11,793 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:57:11,794 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:57:11,794 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:57:11,796 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:57:11,797 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:57:11,798 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:57:11,798 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 13:57:11,829 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:57:11,829 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:57:11,831 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:57:11,831 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:57:11,835 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:57:11,836 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:57:11,836 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:57:11,837 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:57:11,837 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:57:11,837 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 13:57:11,837 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:57:11,838 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:57:11,838 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:57:11,838 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:57:11,838 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:57:11,838 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:57:11,838 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:57:11,839 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:57:11,839 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:57:11,839 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:57:11,839 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:57:11,839 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:57:11,839 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:57:11,840 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:57:11,840 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:57:11,840 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:57:11,840 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 13:57:11,840 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:57:11,841 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 13:57:11,841 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 -> e71375352cb0ad247550ffa746935e0806d4b0b5 [2018-09-20 13:57:11,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:57:11,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:57:11,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:57:11,935 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:57:11,935 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:57:11,936 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter2_iterated_true-unreach-call.c [2018-09-20 13:57:12,279 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeb8a902b/0bdeffcc000543c483127acd7f64336c/FLAG649ffc826 [2018-09-20 13:57:12,472 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:57:12,473 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter2_iterated_true-unreach-call.c [2018-09-20 13:57:12,481 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeb8a902b/0bdeffcc000543c483127acd7f64336c/FLAG649ffc826 [2018-09-20 13:57:12,496 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeb8a902b/0bdeffcc000543c483127acd7f64336c [2018-09-20 13:57:12,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:57:12,504 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:57:12,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:57:12,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:57:12,512 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:57:12,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:57:12" (1/1) ... [2018-09-20 13:57:12,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc0c6fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:12, skipping insertion in model container [2018-09-20 13:57:12,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:57:12" (1/1) ... [2018-09-20 13:57:12,528 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:57:12,767 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:57:12,792 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:57:12,814 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:57:12,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:12 WrapperNode [2018-09-20 13:57:12,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:57:12,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:57:12,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:57:12,849 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:57:12,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:12" (1/1) ... [2018-09-20 13:57:12,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:12" (1/1) ... [2018-09-20 13:57:12,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:12" (1/1) ... [2018-09-20 13:57:12,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:12" (1/1) ... [2018-09-20 13:57:12,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:12" (1/1) ... [2018-09-20 13:57:12,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:12" (1/1) ... [2018-09-20 13:57:12,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:12" (1/1) ... [2018-09-20 13:57:12,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:57:12,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:57:12,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:57:12,913 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:57:12,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:12" (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 [2018-09-20 13:57:12,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:57:12,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:57:12,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-20 13:57:12,990 INFO L138 BoogieDeclarations]: Found implementation of procedure filter1 [2018-09-20 13:57:12,991 INFO L138 BoogieDeclarations]: Found implementation of procedure filter2 [2018-09-20 13:57:12,991 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:57:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:57:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-20 13:57:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure filter1 [2018-09-20 13:57:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure filter2 [2018-09-20 13:57:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:57:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:57:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:57:13,532 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 13:57:13,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:57:13 BoogieIcfgContainer [2018-09-20 13:57:13,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 13:57:13,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 13:57:13,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 13:57:13,538 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 13:57:13,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:57:12" (1/3) ... [2018-09-20 13:57:13,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5717cf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:57:13, skipping insertion in model container [2018-09-20 13:57:13,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:12" (2/3) ... [2018-09-20 13:57:13,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5717cf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:57:13, skipping insertion in model container [2018-09-20 13:57:13,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:57:13" (3/3) ... [2018-09-20 13:57:13,542 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_iterated_true-unreach-call.c [2018-09-20 13:57:13,553 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 13:57:13,562 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 13:57:13,613 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 13:57:13,613 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 13:57:13,614 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 13:57:13,614 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 13:57:13,614 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 13:57:13,614 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 13:57:13,614 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 13:57:13,615 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 13:57:13,615 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 13:57:13,632 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-09-20 13:57:13,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-20 13:57:13,641 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 13:57:13,643 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 13:57:13,646 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 13:57:13,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1614358032, now seen corresponding path program 1 times [2018-09-20 13:57:13,652 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 13:57:13,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 13:57:13,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:57:13,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 13:57:13,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 13:57:13,770 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:91) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:112) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:2063) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:618) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1027) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1171) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:114) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:502) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:183) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:236) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:430) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-20 13:57:13,778 INFO L168 Benchmark]: Toolchain (without parser) took 1276.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:57:13,780 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-09-20 13:57:13,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.74 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 939.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:57:13,782 INFO L168 Benchmark]: Boogie Preprocessor took 62.97 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:57:13,783 INFO L168 Benchmark]: RCFGBuilder took 621.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-09-20 13:57:13,784 INFO L168 Benchmark]: TraceAbstraction took 242.58 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-09-20 13:57:13,789 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 343.74 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 939.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.97 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 621.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 242.58 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:91) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 13:57:16,098 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:57:16,100 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:57:16,121 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:57:16,121 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:57:16,123 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:57:16,124 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:57:16,127 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:57:16,129 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:57:16,130 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:57:16,137 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:57:16,137 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:57:16,138 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:57:16,139 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:57:16,144 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:57:16,147 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:57:16,149 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:57:16,152 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:57:16,157 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:57:16,158 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:57:16,159 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:57:16,160 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:57:16,163 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:57:16,164 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:57:16,165 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:57:16,166 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:57:16,167 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:57:16,167 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:57:16,168 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:57:16,173 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:57:16,173 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:57:16,174 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:57:16,175 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:57:16,175 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:57:16,176 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:57:16,176 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:57:16,177 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 13:57:16,191 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:57:16,191 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:57:16,192 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:57:16,192 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:57:16,194 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:57:16,194 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:57:16,194 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:57:16,195 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:57:16,195 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:57:16,195 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:57:16,195 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:57:16,195 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:57:16,195 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:57:16,196 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:57:16,196 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 13:57:16,196 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 13:57:16,196 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:57:16,199 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:57:16,200 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:57:16,200 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:57:16,200 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:57:16,200 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:57:16,200 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:57:16,201 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:57:16,201 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:57:16,201 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:57:16,201 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:57:16,201 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 13:57:16,202 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:57:16,202 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 13:57:16,202 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 13:57:16,202 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 -> e71375352cb0ad247550ffa746935e0806d4b0b5 [2018-09-20 13:57:16,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:57:16,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:57:16,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:57:16,281 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:57:16,282 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:57:16,283 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter2_iterated_true-unreach-call.c [2018-09-20 13:57:16,628 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dbe0345a/e46b6d72f5c94134b2674c82d19c5d75/FLAG2701a9fe3 [2018-09-20 13:57:16,774 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:57:16,774 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter2_iterated_true-unreach-call.c [2018-09-20 13:57:16,782 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dbe0345a/e46b6d72f5c94134b2674c82d19c5d75/FLAG2701a9fe3 [2018-09-20 13:57:16,798 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dbe0345a/e46b6d72f5c94134b2674c82d19c5d75 [2018-09-20 13:57:16,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:57:16,808 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:57:16,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:57:16,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:57:16,816 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:57:16,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:57:16" (1/1) ... [2018-09-20 13:57:16,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b63efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:16, skipping insertion in model container [2018-09-20 13:57:16,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:57:16" (1/1) ... [2018-09-20 13:57:16,832 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:57:17,101 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:57:17,131 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 13:57:17,154 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 13:57:17,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:17 WrapperNode [2018-09-20 13:57:17,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:57:17,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 13:57:17,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 13:57:17,177 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 13:57:17,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:17" (1/1) ... [2018-09-20 13:57:17,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:17" (1/1) ... [2018-09-20 13:57:17,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:17" (1/1) ... [2018-09-20 13:57:17,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:17" (1/1) ... [2018-09-20 13:57:17,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:17" (1/1) ... [2018-09-20 13:57:17,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:17" (1/1) ... [2018-09-20 13:57:17,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:17" (1/1) ... [2018-09-20 13:57:17,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 13:57:17,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 13:57:17,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 13:57:17,227 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 13:57:17,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:57:17" (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 [2018-09-20 13:57:17,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 13:57:17,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 13:57:17,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-20 13:57:17,312 INFO L138 BoogieDeclarations]: Found implementation of procedure filter1 [2018-09-20 13:57:17,313 INFO L138 BoogieDeclarations]: Found implementation of procedure filter2 [2018-09-20 13:57:17,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 13:57:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 13:57:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-20 13:57:17,314 INFO L130 BoogieDeclarations]: Found specification of procedure filter1 [2018-09-20 13:57:17,314 INFO L130 BoogieDeclarations]: Found specification of procedure filter2 [2018-09-20 13:57:17,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 13:57:17,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 13:57:17,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 13:58:00,679 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-09-20 13:58:00,681 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:154) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:213) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:173) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:719) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:864) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:703) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:91) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 25 more [2018-09-20 13:58:00,685 INFO L168 Benchmark]: Toolchain (without parser) took 43879.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-09-20 13:58:00,688 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:58:00,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.89 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 13:58:00,691 INFO L168 Benchmark]: Boogie Preprocessor took 49.66 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 13:58:00,692 INFO L168 Benchmark]: RCFGBuilder took 43456.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-09-20 13:58:00,699 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 367.89 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.66 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 43456.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...