./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b89be727e1b941b152f4b6e505aae7e5221fdd7 ..................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b89be727e1b941b152f4b6e505aae7e5221fdd7 ...................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:53:31,561 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:53:31,562 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:53:31,571 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:53:31,572 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:53:31,572 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:53:31,574 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:53:31,575 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:53:31,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:53:31,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:53:31,578 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:53:31,578 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:53:31,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:53:31,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:53:31,581 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:53:31,582 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:53:31,583 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:53:31,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:53:31,585 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:53:31,587 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:53:31,588 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:53:31,589 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:53:31,591 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:53:31,591 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:53:31,592 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:53:31,592 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:53:31,593 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:53:31,594 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:53:31,595 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:53:31,596 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:53:31,596 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:53:31,597 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:53:31,597 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:53:31,597 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:53:31,598 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:53:31,600 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:53:31,600 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:53:31,611 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:53:31,611 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:53:31,612 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:53:31,612 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:53:31,612 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:53:31,612 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:53:31,613 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:53:31,613 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:53:31,613 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:53:31,613 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:53:31,613 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:53:31,614 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:53:31,614 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:53:31,614 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:53:31,614 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:53:31,614 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:53:31,614 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:53:31,615 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:53:31,616 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:53:31,617 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:53:31,617 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:53:31,617 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:53:31,617 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:53:31,617 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:53:31,618 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:53:31,618 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:53:31,618 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:53:31,618 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:53:31,618 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:53:31,618 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:53:31,619 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:53:31,619 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:53:31,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:53:31,619 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:53:31,619 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan 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 -> Taipan 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 -> 1b89be727e1b941b152f4b6e505aae7e5221fdd7 [2018-10-26 21:53:31,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:53:31,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:53:31,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:53:31,662 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:53:31,663 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:53:31,663 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/../../sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-10-26 21:53:31,716 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/data/745294402/c5a11ef457c445aaa3b6898c0b3d7203/FLAGfdbe767a1 [2018-10-26 21:53:32,094 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:53:32,095 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-10-26 21:53:32,105 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/data/745294402/c5a11ef457c445aaa3b6898c0b3d7203/FLAGfdbe767a1 [2018-10-26 21:53:32,118 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/data/745294402/c5a11ef457c445aaa3b6898c0b3d7203 [2018-10-26 21:53:32,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:53:32,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:53:32,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:53:32,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:53:32,126 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:53:32,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:53:32" (1/1) ... [2018-10-26 21:53:32,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db5b40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32, skipping insertion in model container [2018-10-26 21:53:32,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:53:32" (1/1) ... [2018-10-26 21:53:32,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:53:32,177 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:53:32,436 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:53:32,441 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:53:32,475 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:53:32,516 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:53:32,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32 WrapperNode [2018-10-26 21:53:32,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:53:32,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:53:32,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:53:32,517 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:53:32,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32" (1/1) ... [2018-10-26 21:53:32,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32" (1/1) ... [2018-10-26 21:53:32,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:53:32,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:53:32,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:53:32,619 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:53:32,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32" (1/1) ... [2018-10-26 21:53:32,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32" (1/1) ... [2018-10-26 21:53:32,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32" (1/1) ... [2018-10-26 21:53:32,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32" (1/1) ... [2018-10-26 21:53:32,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32" (1/1) ... [2018-10-26 21:53:32,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32" (1/1) ... [2018-10-26 21:53:32,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32" (1/1) ... [2018-10-26 21:53:32,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:53:32,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:53:32,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:53:32,640 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:53:32,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/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 [2018-10-26 21:53:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2018-10-26 21:53:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2018-10-26 21:53:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:53:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:53:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2018-10-26 21:53:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2018-10-26 21:53:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:53:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:53:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-10-26 21:53:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-10-26 21:53:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:53:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:53:33,179 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:53:33,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:53:33 BoogieIcfgContainer [2018-10-26 21:53:33,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:53:33,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:53:33,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:53:33,184 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:53:33,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:53:32" (1/3) ... [2018-10-26 21:53:33,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651f401e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:53:33, skipping insertion in model container [2018-10-26 21:53:33,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:32" (2/3) ... [2018-10-26 21:53:33,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651f401e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:53:33, skipping insertion in model container [2018-10-26 21:53:33,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:53:33" (3/3) ... [2018-10-26 21:53:33,188 INFO L112 eAbstractionObserver]: Analyzing ICFG fo_test_true-termination.c_false-unreach-call.i [2018-10-26 21:53:33,197 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:53:33,205 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:53:33,219 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:53:33,245 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:53:33,245 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:53:33,245 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:53:33,245 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:53:33,245 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:53:33,245 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:53:33,246 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:53:33,246 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:53:33,261 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-10-26 21:53:33,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 21:53:33,266 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:53:33,266 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:53:33,268 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:53:33,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:53:33,273 INFO L82 PathProgramCache]: Analyzing trace with hash -347422697, now seen corresponding path program 1 times [2018-10-26 21:53:33,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:53:33,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:53:33,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:53:33,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:53:33,319 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:53:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:53:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:53:33,411 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:53:33,424 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:53:33,425 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:53:33,425 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:53:33,425 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:53:33,427 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:53:33,428 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:53:33,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:53:33 BoogieIcfgContainer [2018-10-26 21:53:33,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:53:33,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:53:33,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:53:33,445 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:53:33,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:53:33" (3/4) ... [2018-10-26 21:53:33,450 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:53:33,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:53:33,451 INFO L168 Benchmark]: Toolchain (without parser) took 1329.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:53:33,452 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:53:33,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.66 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 927.4 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:33,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 927.4 MB in the beginning and 1.2 GB in the end (delta: -233.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:33,454 INFO L168 Benchmark]: Boogie Preprocessor took 20.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:33,454 INFO L168 Benchmark]: RCFGBuilder took 539.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:33,456 INFO L168 Benchmark]: TraceAbstraction took 264.41 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:33,456 INFO L168 Benchmark]: Witness Printer took 5.27 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. [2018-10-26 21:53:33,459 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.66 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 927.4 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 927.4 MB in the beginning and 1.2 GB in the end (delta: -233.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 539.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 264.41 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.27 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. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 960]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1158. Possible FailurePath: [L1158] CALL, EXPR "unknown" [L1158] RET, EXPR "unknown" [L1152] int globalState = 0; VAL ["unknown"={108:0}, \old("unknown")=107, \old("unknown")=102, \old(globalState)=104, globalState=0] [L1158] CALL, EXPR l_open("unknown",00) VAL ["unknown"={108:0}, \old(flags)=0, \old(globalState)=0, file={108:0}, globalState=0] [L1170] int fd = open(file,flags); VAL ["unknown"={108:0}, \old(flags)=0, \old(globalState)=0, fd=0, file={108:0}, file={108:0}, flags=0, globalState=0, open(file,flags)=0] [L1171] COND FALSE !(fd>0) VAL ["unknown"={108:0}, \old(flags)=0, \old(globalState)=0, fd=0, file={108:0}, file={108:0}, flags=0, globalState=0, open(file,flags)=0] [L1172] RET return fd; VAL ["unknown"={108:0}, \old(flags)=0, \old(globalState)=0, \result=0, fd=0, file={108:0}, file={108:0}, flags=0, globalState=0, open(file,flags)=0] [L1158] EXPR l_open("unknown",00) VAL ["unknown"={108:0}, \old(globalState)=0, globalState=0] [L1158] int file = l_open("unknown",00); [L1159] EXPR, FCALL malloc(sizeof(char)*100) [L1159] void* cbuf = (void*) malloc(sizeof(char)*100); VAL ["unknown"={108:0}, \old(globalState)=0, globalState=0] [L1160] CALL l_read(file,cbuf,99) VAL ["unknown"={108:0}, \old(globalState)=0, globalState=0] [L1165] COND FALSE !((globalState == 1) ? (0) : __blast_assert ()) VAL ["unknown"={108:0}, \old(globalState)=0, globalState=0] [L1165] CALL __blast_assert () VAL ["unknown"={108:0}, \old(globalState)=0, globalState=0] [L960] __VERIFIER_error() VAL ["unknown"={108:0}, \old(globalState)=0, globalState=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:53:35,274 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:53:35,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:53:35,285 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:53:35,285 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:53:35,285 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:53:35,286 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:53:35,288 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:53:35,289 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:53:35,289 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:53:35,290 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:53:35,290 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:53:35,291 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:53:35,292 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:53:35,292 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:53:35,293 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:53:35,294 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:53:35,295 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:53:35,296 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:53:35,297 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:53:35,298 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:53:35,299 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:53:35,301 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:53:35,301 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:53:35,301 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:53:35,302 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:53:35,303 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:53:35,303 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:53:35,304 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:53:35,305 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:53:35,305 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:53:35,306 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:53:35,306 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:53:35,306 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:53:35,307 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:53:35,307 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:53:35,308 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 21:53:35,319 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:53:35,320 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:53:35,320 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:53:35,321 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:53:35,321 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:53:35,321 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:53:35,321 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:53:35,321 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:53:35,322 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:53:35,322 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:53:35,323 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:53:35,324 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:53:35,324 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:53:35,324 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:53:35,324 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:53:35,325 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:53:35,325 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:53:35,325 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:53:35,325 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:53:35,325 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:53:35,326 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:53:35,326 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:53:35,326 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:53:35,326 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:53:35,326 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:53:35,327 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:53:35,327 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:53:35,327 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:53:35,327 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:53:35,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:53:35,328 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:53:35,328 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:53:35,328 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_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan 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 -> Taipan 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 -> 1b89be727e1b941b152f4b6e505aae7e5221fdd7 [2018-10-26 21:53:35,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:53:35,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:53:35,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:53:35,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:53:35,378 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:53:35,378 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/../../sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-10-26 21:53:35,417 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/data/b4c8ea98b/b552f6e91a1b4cc4b52fdd86e90ee693/FLAG1273f096e [2018-10-26 21:53:35,866 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:53:35,867 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-10-26 21:53:35,877 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/data/b4c8ea98b/b552f6e91a1b4cc4b52fdd86e90ee693/FLAG1273f096e [2018-10-26 21:53:35,890 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/data/b4c8ea98b/b552f6e91a1b4cc4b52fdd86e90ee693 [2018-10-26 21:53:35,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:53:35,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:53:35,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:53:35,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:53:35,900 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:53:35,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:53:35" (1/1) ... [2018-10-26 21:53:35,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142aa1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:35, skipping insertion in model container [2018-10-26 21:53:35,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:53:35" (1/1) ... [2018-10-26 21:53:35,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:53:35,950 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:53:36,302 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:53:36,311 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:53:36,368 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:53:36,426 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:53:36,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:36 WrapperNode [2018-10-26 21:53:36,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:53:36,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:53:36,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:53:36,428 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:53:36,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:36" (1/1) ... [2018-10-26 21:53:36,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:36" (1/1) ... [2018-10-26 21:53:36,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:53:36,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:53:36,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:53:36,469 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:53:36,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:36" (1/1) ... [2018-10-26 21:53:36,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:36" (1/1) ... [2018-10-26 21:53:36,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:36" (1/1) ... [2018-10-26 21:53:36,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:36" (1/1) ... [2018-10-26 21:53:36,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:36" (1/1) ... [2018-10-26 21:53:36,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:36" (1/1) ... [2018-10-26 21:53:36,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:36" (1/1) ... [2018-10-26 21:53:36,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:53:36,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:53:36,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:53:36,489 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:53:36,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/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 [2018-10-26 21:53:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2018-10-26 21:53:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2018-10-26 21:53:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:53:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:53:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2018-10-26 21:53:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2018-10-26 21:53:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:53:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:53:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-10-26 21:53:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-10-26 21:53:36,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:53:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:53:37,017 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:53:37,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:53:37 BoogieIcfgContainer [2018-10-26 21:53:37,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:53:37,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:53:37,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:53:37,022 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:53:37,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:53:35" (1/3) ... [2018-10-26 21:53:37,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e846b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:53:37, skipping insertion in model container [2018-10-26 21:53:37,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:36" (2/3) ... [2018-10-26 21:53:37,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e846b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:53:37, skipping insertion in model container [2018-10-26 21:53:37,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:53:37" (3/3) ... [2018-10-26 21:53:37,025 INFO L112 eAbstractionObserver]: Analyzing ICFG fo_test_true-termination.c_false-unreach-call.i [2018-10-26 21:53:37,035 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:53:37,041 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:53:37,055 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:53:37,081 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:53:37,082 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:53:37,082 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:53:37,082 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:53:37,082 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:53:37,082 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:53:37,082 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:53:37,082 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:53:37,082 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:53:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-10-26 21:53:37,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 21:53:37,101 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:53:37,101 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:53:37,104 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:53:37,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:53:37,109 INFO L82 PathProgramCache]: Analyzing trace with hash -347422697, now seen corresponding path program 1 times [2018-10-26 21:53:37,113 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 21:53:37,114 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5f754e12-3c50-47fe-89fb-179c45acea15/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 21:53:37,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:53:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:53:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:53:37,336 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:53:37,358 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:53:37,359 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:53:37,360 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:53:37,360 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:53:37,361 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:53:37,362 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:53:37,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:53:37 BoogieIcfgContainer [2018-10-26 21:53:37,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:53:37,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:53:37,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:53:37,383 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:53:37,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:53:37" (3/4) ... [2018-10-26 21:53:37,387 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:53:37,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:53:37,389 INFO L168 Benchmark]: Toolchain (without parser) took 1494.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:37,391 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:53:37,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.62 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 919.7 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:37,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.02 ms. Allocated memory is still 1.0 GB. Free memory is still 919.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:53:37,392 INFO L168 Benchmark]: Boogie Preprocessor took 19.85 ms. Allocated memory is still 1.0 GB. Free memory was 919.7 MB in the beginning and 914.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:37,393 INFO L168 Benchmark]: RCFGBuilder took 528.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 914.3 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:37,393 INFO L168 Benchmark]: TraceAbstraction took 364.05 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:37,394 INFO L168 Benchmark]: Witness Printer took 5.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:53:37,398 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 531.62 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 919.7 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.02 ms. Allocated memory is still 1.0 GB. Free memory is still 919.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.85 ms. Allocated memory is still 1.0 GB. Free memory was 919.7 MB in the beginning and 914.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 528.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 914.3 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 364.05 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 960]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1158. Possible FailurePath: [L1158] CALL, EXPR "unknown" [L1158] RET, EXPR "unknown" [L1152] int globalState = 0; VAL ["unknown"={2:0}, \old("unknown")=0, \old("unknown")=0, \old(globalState)=0, globalState=0] [L1158] CALL, EXPR l_open("unknown",00) VAL ["unknown"={2:0}, \old(flags)=0, \old(globalState)=0, file={2:0}, globalState=0] [L1170] int fd = open(file,flags); VAL ["unknown"={2:0}, \old(flags)=0, \old(globalState)=0, fd=0, file={2:0}, file={2:0}, flags=0, globalState=0, open(file,flags)=0] [L1171] COND FALSE !(fd>0) VAL ["unknown"={2:0}, \old(flags)=0, \old(globalState)=0, fd=0, file={2:0}, file={2:0}, flags=0, globalState=0, open(file,flags)=0] [L1172] RET return fd; VAL ["unknown"={2:0}, \old(flags)=0, \old(globalState)=0, \result=0, fd=0, file={2:0}, file={2:0}, flags=0, globalState=0, open(file,flags)=0] [L1158] EXPR l_open("unknown",00) VAL ["unknown"={2:0}, \old(globalState)=0, globalState=0] [L1158] int file = l_open("unknown",00); [L1159] EXPR, FCALL malloc(sizeof(char)*100) [L1159] void* cbuf = (void*) malloc(sizeof(char)*100); VAL ["unknown"={2:0}, \old(globalState)=0, globalState=0] [L1160] CALL l_read(file,cbuf,99) VAL ["unknown"={2:0}, \old(globalState)=0, globalState=0] [L1165] COND FALSE !((globalState == 1) ? (0) : __blast_assert ()) VAL ["unknown"={2:0}, \old(globalState)=0, globalState=0] [L1165] CALL __blast_assert () VAL ["unknown"={2:0}, \old(globalState)=0, globalState=0] [L960] __VERIFIER_error() VAL ["unknown"={2:0}, \old(globalState)=0, globalState=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...