./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/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 a0a39eefaccc62f602b71ff7e91e6bcef4799631 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:09:55,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:09:55,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:09:55,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:09:55,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:09:55,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:09:55,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:09:55,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:09:55,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:09:55,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:09:55,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:09:55,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:09:55,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:09:55,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:09:55,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:09:55,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:09:55,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:09:55,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:09:55,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:09:55,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:09:55,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:09:55,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:09:55,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:09:55,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:09:55,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:09:55,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:09:55,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:09:55,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:09:55,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:09:55,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:09:55,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:09:55,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:09:55,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:09:55,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:09:55,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:09:55,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:09:55,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:09:55,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:09:55,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:09:55,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:09:55,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:09:55,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:09:55,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:09:55,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:09:55,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:09:55,892 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:09:55,892 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:09:55,892 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:09:55,892 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:09:55,893 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:09:55,893 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:09:55,893 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:09:55,894 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:09:55,894 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:09:55,894 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:09:55,894 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:09:55,895 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:09:55,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:09:55,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:09:55,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:09:55,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:09:55,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:09:55,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:09:55,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:09:55,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:09:55,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:09:55,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:09:55,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:09:55,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:09:55,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:09:55,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:09:55,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:09:55,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:09:55,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:09:55,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:09:55,898 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:09:55,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:09:55,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:09:55,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:09:55,899 INFO L138 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/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/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 -> a0a39eefaccc62f602b71ff7e91e6bcef4799631 [2019-11-26 02:09:56,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:09:56,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:09:56,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:09:56,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:09:56,105 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:09:56,106 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2019-11-26 02:09:56,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/data/32d247128/dec9f854522e4faca37456f5f03893f4/FLAG079940eed [2019-11-26 02:09:56,576 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:09:56,577 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2019-11-26 02:09:56,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/data/32d247128/dec9f854522e4faca37456f5f03893f4/FLAG079940eed [2019-11-26 02:09:56,598 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/data/32d247128/dec9f854522e4faca37456f5f03893f4 [2019-11-26 02:09:56,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:09:56,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:09:56,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:09:56,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:09:56,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:09:56,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:09:56" (1/1) ... [2019-11-26 02:09:56,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48771abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56, skipping insertion in model container [2019-11-26 02:09:56,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:09:56" (1/1) ... [2019-11-26 02:09:56,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:09:56,644 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:09:56,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:09:56,897 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:09:56,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:09:56,924 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:09:56,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56 WrapperNode [2019-11-26 02:09:56,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:09:56,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:09:56,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:09:56,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:09:56,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56" (1/1) ... [2019-11-26 02:09:56,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56" (1/1) ... [2019-11-26 02:09:56,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:09:56,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:09:56,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:09:56,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:09:56,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56" (1/1) ... [2019-11-26 02:09:56,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56" (1/1) ... [2019-11-26 02:09:56,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56" (1/1) ... [2019-11-26 02:09:56,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56" (1/1) ... [2019-11-26 02:09:56,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56" (1/1) ... [2019-11-26 02:09:56,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56" (1/1) ... [2019-11-26 02:09:56,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56" (1/1) ... [2019-11-26 02:09:56,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:09:56,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:09:56,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:09:56,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:09:56,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/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 [2019-11-26 02:09:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-26 02:09:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 02:09:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:09:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:09:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:09:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-26 02:09:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:09:57,412 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:09:57,412 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-26 02:09:57,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:09:57 BoogieIcfgContainer [2019-11-26 02:09:57,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:09:57,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:09:57,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:09:57,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:09:57,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:09:56" (1/3) ... [2019-11-26 02:09:57,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241b2f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:09:57, skipping insertion in model container [2019-11-26 02:09:57,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:09:56" (2/3) ... [2019-11-26 02:09:57,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241b2f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:09:57, skipping insertion in model container [2019-11-26 02:09:57,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:09:57" (3/3) ... [2019-11-26 02:09:57,420 INFO L109 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init.i [2019-11-26 02:09:57,429 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:09:57,434 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:09:57,441 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:09:57,459 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:09:57,460 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:09:57,460 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:09:57,460 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:09:57,460 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:09:57,460 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:09:57,460 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:09:57,460 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:09:57,471 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-26 02:09:57,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:09:57,476 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:09:57,476 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:09:57,476 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:09:57,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:09:57,480 INFO L82 PathProgramCache]: Analyzing trace with hash 30397668, now seen corresponding path program 1 times [2019-11-26 02:09:57,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:09:57,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008079616] [2019-11-26 02:09:57,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:09:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:09:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:09:57,629 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008079616] [2019-11-26 02:09:57,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:09:57,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:09:57,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152350385] [2019-11-26 02:09:57,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:09:57,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:09:57,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:09:57,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:09:57,649 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-11-26 02:09:57,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:09:57,691 INFO L93 Difference]: Finished difference Result 27 states and 37 transitions. [2019-11-26 02:09:57,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:09:57,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-26 02:09:57,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:09:57,701 INFO L225 Difference]: With dead ends: 27 [2019-11-26 02:09:57,701 INFO L226 Difference]: Without dead ends: 18 [2019-11-26 02:09:57,704 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:09:57,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-26 02:09:57,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 11. [2019-11-26 02:09:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-26 02:09:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-11-26 02:09:57,732 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 7 [2019-11-26 02:09:57,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:09:57,733 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-26 02:09:57,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:09:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2019-11-26 02:09:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:09:57,734 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:09:57,734 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:09:57,734 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:09:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:09:57,735 INFO L82 PathProgramCache]: Analyzing trace with hash 915453332, now seen corresponding path program 1 times [2019-11-26 02:09:57,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:09:57,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136045121] [2019-11-26 02:09:57,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:09:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:09:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:09:57,785 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136045121] [2019-11-26 02:09:57,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:09:57,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:09:57,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422748991] [2019-11-26 02:09:57,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:09:57,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:09:57,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:09:57,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:09:57,787 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand 3 states. [2019-11-26 02:09:57,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:09:57,797 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2019-11-26 02:09:57,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:09:57,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:09:57,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:09:57,798 INFO L225 Difference]: With dead ends: 21 [2019-11-26 02:09:57,798 INFO L226 Difference]: Without dead ends: 12 [2019-11-26 02:09:57,799 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:09:57,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-26 02:09:57,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-26 02:09:57,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-26 02:09:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-26 02:09:57,802 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 8 [2019-11-26 02:09:57,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:09:57,802 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-26 02:09:57,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:09:57,803 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-26 02:09:57,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:09:57,803 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:09:57,803 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:09:57,804 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:09:57,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:09:57,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1621385429, now seen corresponding path program 1 times [2019-11-26 02:09:57,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:09:57,804 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281706474] [2019-11-26 02:09:57,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:09:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:09:57,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:09:57,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281706474] [2019-11-26 02:09:57,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613267303] [2019-11-26 02:09:57,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:09:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:09:57,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-26 02:09:57,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:09:57,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:09:57,986 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:09:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:09:58,027 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [11899582] [2019-11-26 02:09:58,059 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:09:58,070 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:09:58,075 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:09:58,081 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:09:58,086 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:09:59,219 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:09:59,432 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-11-26 02:09:59,557 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-11-26 02:09:59,676 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-11-26 02:09:59,802 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-11-26 02:10:00,048 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-11-26 02:10:00,050 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:10:00,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:10:00,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2019-11-26 02:10:00,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54496676] [2019-11-26 02:10:00,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-26 02:10:00,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:10:00,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-26 02:10:00,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-11-26 02:10:00,052 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. Second operand 8 states. [2019-11-26 02:10:00,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:10:00,079 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2019-11-26 02:10:00,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:10:00,080 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2019-11-26 02:10:00,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:10:00,081 INFO L225 Difference]: With dead ends: 24 [2019-11-26 02:10:00,081 INFO L226 Difference]: Without dead ends: 15 [2019-11-26 02:10:00,081 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-11-26 02:10:00,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-26 02:10:00,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-26 02:10:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-26 02:10:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2019-11-26 02:10:00,085 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 9 [2019-11-26 02:10:00,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:10:00,085 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-26 02:10:00,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-26 02:10:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2019-11-26 02:10:00,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:10:00,086 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:10:00,086 INFO L410 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:10:00,291 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:10:00,291 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:10:00,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:10:00,291 INFO L82 PathProgramCache]: Analyzing trace with hash -205390380, now seen corresponding path program 2 times [2019-11-26 02:10:00,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:10:00,292 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873628606] [2019-11-26 02:10:00,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:10:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:10:00,396 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:10:00,396 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873628606] [2019-11-26 02:10:00,396 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667243073] [2019-11-26 02:10:00,396 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:10:00,444 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-11-26 02:10:00,445 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 02:10:00,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-26 02:10:00,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:10:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:10:00,472 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:10:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:10:00,497 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1067894220] [2019-11-26 02:10:00,498 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:10:00,498 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:10:00,498 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:10:00,499 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:10:00,499 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:10:01,214 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:10:01,409 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-11-26 02:10:01,543 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-11-26 02:10:01,673 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-11-26 02:10:01,806 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-11-26 02:10:02,018 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-11-26 02:10:02,019 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:10:02,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:10:02,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 11 [2019-11-26 02:10:02,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121631724] [2019-11-26 02:10:02,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-26 02:10:02,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:10:02,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-26 02:10:02,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2019-11-26 02:10:02,021 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand 11 states. [2019-11-26 02:10:02,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:10:02,112 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2019-11-26 02:10:02,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-26 02:10:02,113 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2019-11-26 02:10:02,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:10:02,114 INFO L225 Difference]: With dead ends: 50 [2019-11-26 02:10:02,114 INFO L226 Difference]: Without dead ends: 41 [2019-11-26 02:10:02,115 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2019-11-26 02:10:02,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-26 02:10:02,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 19. [2019-11-26 02:10:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-26 02:10:02,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-11-26 02:10:02,119 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 12 [2019-11-26 02:10:02,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:10:02,119 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-26 02:10:02,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-26 02:10:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-11-26 02:10:02,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:10:02,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:10:02,120 INFO L410 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:10:02,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:10:02,331 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:10:02,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:10:02,331 INFO L82 PathProgramCache]: Analyzing trace with hash -653022653, now seen corresponding path program 3 times [2019-11-26 02:10:02,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:10:02,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330299565] [2019-11-26 02:10:02,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:10:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:10:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:10:02,458 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330299565] [2019-11-26 02:10:02,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036964320] [2019-11-26 02:10:02,459 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:10:02,527 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-26 02:10:02,527 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 02:10:02,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-26 02:10:02,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:10:02,640 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:10:02,640 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:10:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:10:02,752 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [594843246] [2019-11-26 02:10:02,753 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:10:02,753 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:10:02,753 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:10:02,753 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:10:02,753 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:10:03,359 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:10:03,539 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-11-26 02:10:03,663 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-11-26 02:10:03,787 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-11-26 02:10:03,921 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-11-26 02:10:04,143 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-11-26 02:10:04,144 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:10:04,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:10:04,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2019-11-26 02:10:04,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129366895] [2019-11-26 02:10:04,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-11-26 02:10:04,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:10:04,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-11-26 02:10:04,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2019-11-26 02:10:04,146 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 20 states. [2019-11-26 02:10:04,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:10:04,187 INFO L93 Difference]: Finished difference Result 38 states and 50 transitions. [2019-11-26 02:10:04,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-26 02:10:04,188 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 16 [2019-11-26 02:10:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:10:04,188 INFO L225 Difference]: With dead ends: 38 [2019-11-26 02:10:04,189 INFO L226 Difference]: Without dead ends: 26 [2019-11-26 02:10:04,189 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2019-11-26 02:10:04,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-26 02:10:04,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-26 02:10:04,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-26 02:10:04,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2019-11-26 02:10:04,194 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 16 [2019-11-26 02:10:04,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:10:04,194 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2019-11-26 02:10:04,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-11-26 02:10:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2019-11-26 02:10:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:10:04,195 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:10:04,195 INFO L410 BasicCegarLoop]: trace histogram [12, 4, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:10:04,399 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:10:04,399 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:10:04,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:10:04,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1494568996, now seen corresponding path program 4 times [2019-11-26 02:10:04,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:10:04,400 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024046287] [2019-11-26 02:10:04,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:10:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:10:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:10:04,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024046287] [2019-11-26 02:10:04,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741339507] [2019-11-26 02:10:04,675 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:10:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:10:04,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-26 02:10:04,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:10:05,102 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:10:05,102 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:10:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:10:05,591 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1616379493] [2019-11-26 02:10:05,591 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:10:05,592 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:10:05,592 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:10:05,592 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:10:05,592 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:10:06,176 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:10:06,334 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-11-26 02:10:06,829 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-11-26 02:10:06,830 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:10:06,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:10:06,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 40 [2019-11-26 02:10:06,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822392075] [2019-11-26 02:10:06,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-11-26 02:10:06,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:10:06,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-11-26 02:10:06,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=760, Invalid=1310, Unknown=0, NotChecked=0, Total=2070 [2019-11-26 02:10:06,833 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand 41 states. [2019-11-26 02:10:06,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:10:06,941 INFO L93 Difference]: Finished difference Result 52 states and 71 transitions. [2019-11-26 02:10:06,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-11-26 02:10:06,943 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 23 [2019-11-26 02:10:06,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:10:06,944 INFO L225 Difference]: With dead ends: 52 [2019-11-26 02:10:06,944 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:10:06,945 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=760, Invalid=1310, Unknown=0, NotChecked=0, Total=2070 [2019-11-26 02:10:06,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:10:06,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:10:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:10:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2019-11-26 02:10:06,953 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 23 [2019-11-26 02:10:06,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:10:06,954 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2019-11-26 02:10:06,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-11-26 02:10:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2019-11-26 02:10:06,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:10:06,955 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:10:06,956 INFO L410 BasicCegarLoop]: trace histogram [26, 4, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:10:07,159 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:10:07,159 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:10:07,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:10:07,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1000488124, now seen corresponding path program 5 times [2019-11-26 02:10:07,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:10:07,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121916181] [2019-11-26 02:10:07,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:10:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:10:07,780 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:10:07,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121916181] [2019-11-26 02:10:07,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685144493] [2019-11-26 02:10:07,780 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:10:07,826 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-11-26 02:10:07,826 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 02:10:07,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-26 02:10:07,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:10:08,206 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2019-11-26 02:10:08,206 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:10:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2019-11-26 02:10:08,632 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1779617164] [2019-11-26 02:10:08,633 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:10:08,633 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:10:08,633 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:10:08,634 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:10:08,634 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:10:09,165 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:10:09,420 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-11-26 02:10:09,588 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-11-26 02:10:09,749 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-11-26 02:10:10,076 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-11-26 02:10:10,076 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:10:10,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:10:10,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 6, 6] total 38 [2019-11-26 02:10:10,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053940684] [2019-11-26 02:10:10,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-11-26 02:10:10,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:10:10,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-11-26 02:10:10,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=487, Invalid=1405, Unknown=0, NotChecked=0, Total=1892 [2019-11-26 02:10:10,079 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 39 states. [2019-11-26 02:10:12,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:10:12,486 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2019-11-26 02:10:12,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-11-26 02:10:12,487 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 37 [2019-11-26 02:10:12,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:10:12,487 INFO L225 Difference]: With dead ends: 50 [2019-11-26 02:10:12,487 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:10:12,490 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1023 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1421, Invalid=4129, Unknown=0, NotChecked=0, Total=5550 [2019-11-26 02:10:12,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:10:12,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:10:12,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:10:12,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:10:12,491 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-11-26 02:10:12,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:10:12,491 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:10:12,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 39 states. [2019-11-26 02:10:12,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:10:12,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:10:12,692 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:10:12,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:10:12,789 INFO L444 ceAbstractionStarter]: For program point L31-2(lines 31 35) no Hoare annotation was computed. [2019-11-26 02:10:12,789 INFO L440 ceAbstractionStarter]: At program point L31-3(lines 31 35) the Hoare annotation is: (and (= |ULTIMATE.start_main_~#a~0.offset| ULTIMATE.start_init_~a.offset) (= ULTIMATE.start_init_~size 100000) (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_init_~a.base) (exists ((v_ULTIMATE.start_init_~i~0_64 Int)) (and (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (+ (* v_ULTIMATE.start_init_~i~0_64 4) |ULTIMATE.start_main_~#a~0.offset|)))) (< v_ULTIMATE.start_init_~i~0_64 ULTIMATE.start_init_~size) (<= ULTIMATE.start_init_~i~0 (+ v_ULTIMATE.start_init_~i~0_64 1)))) (= ULTIMATE.start_main_~flag~0 1) (forall ((ULTIMATE.start_main_~i~1 Int)) (or (< ULTIMATE.start_main_~i~1 99999) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| (* ULTIMATE.start_main_~i~1 4))) 0)) (<= 100000 ULTIMATE.start_main_~i~1)))) [2019-11-26 02:10:12,789 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:10:12,789 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-11-26 02:10:12,789 INFO L440 ceAbstractionStarter]: At program point L24-3(lines 24 30) the Hoare annotation is: (and (= |ULTIMATE.start_main_~#a~0.offset| ULTIMATE.start_init_~a.offset) (= ULTIMATE.start_init_~size 100000) (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_init_~a.base) (or (<= ULTIMATE.start_main_~i~1 99999) (and (<= ULTIMATE.start_main_~i~1 100000) (= ULTIMATE.start_main_~flag~0 1))) (exists ((v_ULTIMATE.start_init_~i~0_64 Int)) (and (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (+ (* v_ULTIMATE.start_init_~i~0_64 4) |ULTIMATE.start_main_~#a~0.offset|)))) (< v_ULTIMATE.start_init_~i~0_64 ULTIMATE.start_init_~size) (<= ULTIMATE.start_init_~i~0 (+ v_ULTIMATE.start_init_~i~0_64 1)))) (forall ((ULTIMATE.start_main_~i~1 Int)) (or (< ULTIMATE.start_main_~i~1 99999) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| (* ULTIMATE.start_main_~i~1 4))) 0)) (<= 100000 ULTIMATE.start_main_~i~1)))) [2019-11-26 02:10:12,789 INFO L440 ceAbstractionStarter]: At program point L12-3(lines 12 15) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~#a~0.offset| ULTIMATE.start_init_~a.offset)) (.cse1 (= ULTIMATE.start_init_~size 100000)) (.cse2 (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_init_~a.base))) (or (and .cse0 .cse1 .cse2 (exists ((v_ULTIMATE.start_init_~i~0_64 Int)) (and (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (+ (* v_ULTIMATE.start_init_~i~0_64 4) |ULTIMATE.start_main_~#a~0.offset|)))) (< v_ULTIMATE.start_init_~i~0_64 ULTIMATE.start_init_~size) (<= ULTIMATE.start_init_~i~0 (+ v_ULTIMATE.start_init_~i~0_64 1))))) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_init_~i~0 0)))) [2019-11-26 02:10:12,790 INFO L444 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2019-11-26 02:10:12,790 INFO L444 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2019-11-26 02:10:12,790 INFO L444 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2019-11-26 02:10:12,790 INFO L444 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2019-11-26 02:10:12,790 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:10:12,798 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,799 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,809 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,814 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,816 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,819 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,819 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:10:12 BoogieIcfgContainer [2019-11-26 02:10:12,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:10:12,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:10:12,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:10:12,825 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:10:12,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:09:57" (3/4) ... [2019-11-26 02:10:12,829 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:10:12,838 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-26 02:10:12,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-26 02:10:12,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:10:12,861 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((a == a && size == 100000) && a == a) && (\exists v_ULTIMATE.start_init_~i~0_64 : int :: (!(0 == #memory_$Pointer$[a][v_ULTIMATE.start_init_~i~0_64 * 4 + a]) && v_ULTIMATE.start_init_~i~0_64 < size) && i <= v_ULTIMATE.start_init_~i~0_64 + 1)) || (((a == a && size == 100000) && a == a) && i == 0) [2019-11-26 02:10:12,861 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((a == a && size == 100000) && a == a) && (i <= 99999 || (i <= 100000 && flag == 1))) && (\exists v_ULTIMATE.start_init_~i~0_64 : int :: (!(0 == #memory_$Pointer$[a][v_ULTIMATE.start_init_~i~0_64 * 4 + a]) && v_ULTIMATE.start_init_~i~0_64 < size) && i <= v_ULTIMATE.start_init_~i~0_64 + 1)) && (forall ULTIMATE.start_main_~i~1 : int :: (ULTIMATE.start_main_~i~1 < 99999 || !(#memory_$Pointer$[a][a + ULTIMATE.start_main_~i~1 * 4] == 0)) || 100000 <= ULTIMATE.start_main_~i~1) [2019-11-26 02:10:12,862 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((a == a && size == 100000) && a == a) && (\exists v_ULTIMATE.start_init_~i~0_64 : int :: (!(0 == #memory_$Pointer$[a][v_ULTIMATE.start_init_~i~0_64 * 4 + a]) && v_ULTIMATE.start_init_~i~0_64 < size) && i <= v_ULTIMATE.start_init_~i~0_64 + 1)) && flag == 1) && (forall ULTIMATE.start_main_~i~1 : int :: (ULTIMATE.start_main_~i~1 < 99999 || !(#memory_$Pointer$[a][a + ULTIMATE.start_main_~i~1 * 4] == 0)) || 100000 <= ULTIMATE.start_main_~i~1) [2019-11-26 02:10:12,874 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f9370e61-78ed-4bd6-a0dd-6df05d26101c/bin/utaipan/witness.graphml [2019-11-26 02:10:12,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:10:12,875 INFO L168 Benchmark]: Toolchain (without parser) took 16267.99 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 281.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 109.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:12,876 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:10:12,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:12,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.59 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. [2019-11-26 02:10:12,877 INFO L168 Benchmark]: Boogie Preprocessor took 22.77 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:12,877 INFO L168 Benchmark]: RCFGBuilder took 431.85 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:12,878 INFO L168 Benchmark]: TraceAbstraction took 15409.78 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 141.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.9 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:12,878 INFO L168 Benchmark]: Witness Printer took 49.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:12,880 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 431.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15409.78 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 141.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.9 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. * Witness Printer took 49.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 - InvariantResult [Line: 24]: Loop Invariant [2019-11-26 02:10:12,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((a == a && size == 100000) && a == a) && (i <= 99999 || (i <= 100000 && flag == 1))) && (\exists v_ULTIMATE.start_init_~i~0_64 : int :: (!(0 == #memory_$Pointer$[a][v_ULTIMATE.start_init_~i~0_64 * 4 + a]) && v_ULTIMATE.start_init_~i~0_64 < size) && i <= v_ULTIMATE.start_init_~i~0_64 + 1)) && (forall ULTIMATE.start_main_~i~1 : int :: (ULTIMATE.start_main_~i~1 < 99999 || !(#memory_$Pointer$[a][a + ULTIMATE.start_main_~i~1 * 4] == 0)) || 100000 <= ULTIMATE.start_main_~i~1) - InvariantResult [Line: 31]: Loop Invariant [2019-11-26 02:10:12,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,901 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~1,QUANTIFIED] [2019-11-26 02:10:12,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((a == a && size == 100000) && a == a) && (\exists v_ULTIMATE.start_init_~i~0_64 : int :: (!(0 == #memory_$Pointer$[a][v_ULTIMATE.start_init_~i~0_64 * 4 + a]) && v_ULTIMATE.start_init_~i~0_64 < size) && i <= v_ULTIMATE.start_init_~i~0_64 + 1)) && flag == 1) && (forall ULTIMATE.start_main_~i~1 : int :: (ULTIMATE.start_main_~i~1 < 99999 || !(#memory_$Pointer$[a][a + ULTIMATE.start_main_~i~1 * 4] == 0)) || 100000 <= ULTIMATE.start_main_~i~1) - InvariantResult [Line: 12]: Loop Invariant [2019-11-26 02:10:12,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-26 02:10:12,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-26 02:10:12,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_init_~i~0_64,QUANTIFIED] [2019-11-26 02:10:12,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((a == a && size == 100000) && a == a) && (\exists v_ULTIMATE.start_init_~i~0_64 : int :: (!(0 == #memory_$Pointer$[a][v_ULTIMATE.start_init_~i~0_64 * 4 + a]) && v_ULTIMATE.start_init_~i~0_64 < size) && i <= v_ULTIMATE.start_init_~i~0_64 + 1)) || (((a == a && size == 100000) && a == a) && i == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Result: SAFE, OverallTime: 15.3s, OverallIterations: 7, TraceHistogramMax: 26, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 67 SDtfs, 67 SDslu, 151 SDs, 0 SdLazy, 358 SolverSat, 57 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 375 GetRequests, 203 SyntacticMatches, 5 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1641 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 29 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 164 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1375 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 209 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 289 ConstructedInterpolants, 36 QuantifiedInterpolants, 79729 SizeOfPredicates, 27 NumberOfNonLiveVariables, 589 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 757/1462 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...