./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_address_true-termination.c_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_address_true-termination.c_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer --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 c4975709dd45733037f34cb97611119b9eab668b .......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:33:26,807 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:33:26,808 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:33:26,816 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:33:26,817 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:33:26,817 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:33:26,818 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:33:26,819 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:33:26,820 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:33:26,821 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:33:26,821 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:33:26,821 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:33:26,822 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:33:26,822 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:33:26,823 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:33:26,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:33:26,824 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:33:26,825 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:33:26,826 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:33:26,827 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:33:26,828 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:33:26,829 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:33:26,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:33:26,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:33:26,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:33:26,831 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:33:26,832 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:33:26,832 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:33:26,833 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:33:26,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:33:26,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:33:26,834 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:33:26,834 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:33:26,834 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:33:26,835 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:33:26,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:33:26,835 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:33:26,844 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:33:26,844 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:33:26,845 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:33:26,845 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:33:26,845 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:33:26,845 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:33:26,846 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:33:26,846 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:33:26,846 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:33:26,846 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:33:26,846 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:33:26,846 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:33:26,846 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:33:26,846 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:33:26,847 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:33:26,847 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:33:26,847 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:33:26,847 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:33:26,847 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:33:26,847 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:33:26,847 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:33:26,847 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:33:26,847 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:33:26,848 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:33:26,848 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:33:26,848 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:33:26,848 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:33:26,848 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:33:26,848 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:33:26,848 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:33:26,848 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_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer 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 -> c4975709dd45733037f34cb97611119b9eab668b [2018-11-23 08:33:26,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:33:26,879 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:33:26,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:33:26,883 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:33:26,883 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:33:26,884 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/test_address_true-termination.c_true-unreach-call.i [2018-11-23 08:33:26,931 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer/data/16d98ddfd/bd0215e595674dc1ae99dee3b37b9ae3/FLAG1ab2a285b [2018-11-23 08:33:27,294 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:33:27,295 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/sv-benchmarks/c/ldv-regression/test_address_true-termination.c_true-unreach-call.i [2018-11-23 08:33:27,302 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer/data/16d98ddfd/bd0215e595674dc1ae99dee3b37b9ae3/FLAG1ab2a285b [2018-11-23 08:33:27,310 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer/data/16d98ddfd/bd0215e595674dc1ae99dee3b37b9ae3 [2018-11-23 08:33:27,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:33:27,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:33:27,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:33:27,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:33:27,316 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:33:27,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:27" (1/1) ... [2018-11-23 08:33:27,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6285fc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27, skipping insertion in model container [2018-11-23 08:33:27,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:27" (1/1) ... [2018-11-23 08:33:27,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:33:27,350 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:33:27,527 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:33:27,530 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:33:27,558 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:33:27,585 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:33:27,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27 WrapperNode [2018-11-23 08:33:27,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:33:27,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:33:27,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:33:27,587 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:33:27,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27" (1/1) ... [2018-11-23 08:33:27,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27" (1/1) ... [2018-11-23 08:33:27,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:33:27,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:33:27,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:33:27,651 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:33:27,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27" (1/1) ... [2018-11-23 08:33:27,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27" (1/1) ... [2018-11-23 08:33:27,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27" (1/1) ... [2018-11-23 08:33:27,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27" (1/1) ... [2018-11-23 08:33:27,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27" (1/1) ... [2018-11-23 08:33:27,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27" (1/1) ... [2018-11-23 08:33:27,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27" (1/1) ... [2018-11-23 08:33:27,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:33:27,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:33:27,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:33:27,666 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:33:27,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:33:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:33:27,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:33:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:33:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:33:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:33:27,714 INFO L130 BoogieDeclarations]: Found specification of procedure rr_fail_path [2018-11-23 08:33:27,714 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_fail_path [2018-11-23 08:33:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-23 08:33:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-23 08:33:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:33:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-23 08:33:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-23 08:33:27,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:33:27,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:33:27,871 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:33:27,871 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 08:33:27,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:27 BoogieIcfgContainer [2018-11-23 08:33:27,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:33:27,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:33:27,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:33:27,874 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:33:27,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:27" (1/3) ... [2018-11-23 08:33:27,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349f4b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:27, skipping insertion in model container [2018-11-23 08:33:27,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:27" (2/3) ... [2018-11-23 08:33:27,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349f4b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:27, skipping insertion in model container [2018-11-23 08:33:27,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:27" (3/3) ... [2018-11-23 08:33:27,876 INFO L112 eAbstractionObserver]: Analyzing ICFG test_address_true-termination.c_true-unreach-call.i [2018-11-23 08:33:27,883 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:33:27,887 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:33:27,898 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:33:27,917 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:33:27,918 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:33:27,918 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:33:27,918 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:33:27,918 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:33:27,918 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:33:27,918 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:33:27,919 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:33:27,919 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:33:27,930 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-23 08:33:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 08:33:27,933 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:33:27,934 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:33:27,935 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:33:27,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:33:27,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1485521560, now seen corresponding path program 1 times [2018-11-23 08:33:27,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:33:27,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:33:27,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:33:27,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:33:27,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:33:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:33:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:33:28,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:33:28,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:33:28,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:33:28,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:33:28,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:33:28,097 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 7 states. [2018-11-23 08:33:28,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:33:28,165 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-11-23 08:33:28,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:33:28,167 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-11-23 08:33:28,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:33:28,173 INFO L225 Difference]: With dead ends: 34 [2018-11-23 08:33:28,173 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:33:28,176 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:33:28,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:33:28,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:33:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:33:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:33:28,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-11-23 08:33:28,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:33:28,197 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:33:28,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:33:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:33:28,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:33:28,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:33:28,232 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:33:28,233 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:33:28,233 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:33:28,233 INFO L448 ceAbstractionStarter]: For program point rr_fail_pathFINAL(lines 867 870) no Hoare annotation was computed. [2018-11-23 08:33:28,233 INFO L451 ceAbstractionStarter]: At program point rr_fail_pathENTRY(lines 867 870) the Hoare annotation is: true [2018-11-23 08:33:28,233 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (or (not (= rr_fail_path_~pi.base 0)) (= |rr_fail_path_#in~pi.base| 0)) [2018-11-23 08:33:28,233 INFO L448 ceAbstractionStarter]: For program point rr_fail_pathEXIT(lines 867 870) no Hoare annotation was computed. [2018-11-23 08:33:28,233 INFO L451 ceAbstractionStarter]: At program point list_addENTRY(lines 863 865) the Hoare annotation is: true [2018-11-23 08:33:28,233 INFO L448 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2018-11-23 08:33:28,233 INFO L444 ceAbstractionStarter]: At program point L864-2(line 864) the Hoare annotation is: (= |list_add_#in~new.base| 0) [2018-11-23 08:33:28,233 INFO L448 ceAbstractionStarter]: For program point L864-3(lines 863 865) no Hoare annotation was computed. [2018-11-23 08:33:28,233 INFO L448 ceAbstractionStarter]: For program point list_addEXIT(lines 863 865) no Hoare annotation was computed. [2018-11-23 08:33:28,234 INFO L448 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 854) no Hoare annotation was computed. [2018-11-23 08:33:28,234 INFO L448 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 852 855) no Hoare annotation was computed. [2018-11-23 08:33:28,234 INFO L448 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 852 855) no Hoare annotation was computed. [2018-11-23 08:33:28,234 INFO L451 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 852 855) the Hoare annotation is: true [2018-11-23 08:33:28,234 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:33:28,234 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 08:33:28,234 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:33:28,234 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:33:28,234 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 873 876) the Hoare annotation is: true [2018-11-23 08:33:28,234 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 873 876) no Hoare annotation was computed. [2018-11-23 08:33:28,234 INFO L444 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (not (= |main_~#pi~0.base| 0)) [2018-11-23 08:33:28,235 INFO L448 ceAbstractionStarter]: For program point L875-1(line 875) no Hoare annotation was computed. [2018-11-23 08:33:28,235 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 873 876) no Hoare annotation was computed. [2018-11-23 08:33:28,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:33:28 BoogieIcfgContainer [2018-11-23 08:33:28,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:33:28,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:33:28,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:33:28,237 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:33:28,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:27" (3/4) ... [2018-11-23 08:33:28,240 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:33:28,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:33:28,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rr_fail_path [2018-11-23 08:33:28,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add [2018-11-23 08:33:28,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __blast_assert [2018-11-23 08:33:28,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:33:28,248 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 08:33:28,248 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 08:33:28,248 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:33:28,276 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cf9afc03-3ee1-418e-8505-34ecf9a6eef1/bin-2019/uautomizer/witness.graphml [2018-11-23 08:33:28,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:33:28,277 INFO L168 Benchmark]: Toolchain (without parser) took 964.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:33:28,278 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-23 08:33:28,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.56 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 928.0 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:33:28,279 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 928.0 MB in the beginning and 1.1 GB in the end (delta: -217.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:33:28,279 INFO L168 Benchmark]: Boogie Preprocessor took 14.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:33:28,280 INFO L168 Benchmark]: RCFGBuilder took 205.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:33:28,280 INFO L168 Benchmark]: TraceAbstraction took 364.51 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: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:33:28,280 INFO L168 Benchmark]: Witness Printer took 39.79 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:33:28,283 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 272.56 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 928.0 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 64.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 928.0 MB in the beginning and 1.1 GB in the end (delta: -217.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 205.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 364.51 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: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * Witness Printer took 39.79 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 854]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 25 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 8 SDslu, 58 SDs, 0 SdLazy, 27 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 22 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 5 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...