./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8242c02a65c511b095f42030318aeef939254d04 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:40:06,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:40:06,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:40:06,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:40:06,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:40:06,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:40:06,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:40:06,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:40:06,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:40:06,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:40:06,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:40:06,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:40:06,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:40:06,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:40:06,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:40:06,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:40:06,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:40:06,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:40:06,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:40:07,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:40:07,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:40:07,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:40:07,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:40:07,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:40:07,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:40:07,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:40:07,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:40:07,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:40:07,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:40:07,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:40:07,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:40:07,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:40:07,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:40:07,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:40:07,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:40:07,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:40:07,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:40:07,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:40:07,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:40:07,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:40:07,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:40:07,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 02:40:07,102 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:40:07,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:40:07,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:40:07,105 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:40:07,105 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:40:07,105 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:40:07,106 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:40:07,106 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:40:07,106 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:40:07,106 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:40:07,108 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:40:07,108 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:40:07,108 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:40:07,109 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:40:07,109 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:40:07,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:40:07,110 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:40:07,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:40:07,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:40:07,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:40:07,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:40:07,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:40:07,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:40:07,112 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:40:07,113 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:40:07,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:40:07,113 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:40:07,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:40:07,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:40:07,116 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:40:07,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:40:07,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:40:07,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:40:07,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:40:07,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:40:07,117 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:40:07,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:40:07,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:40:07,117 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:40:07,117 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:40:07,118 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8242c02a65c511b095f42030318aeef939254d04 [2020-11-30 02:40:07,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:40:07,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:40:07,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:40:07,514 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:40:07,515 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:40:07,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-11-30 02:40:07,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan/data/04b39e9a2/dbeb984259f54d1592c43f0c3023d2f6/FLAG90800fc30 [2020-11-30 02:40:08,242 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:40:08,247 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-11-30 02:40:08,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan/data/04b39e9a2/dbeb984259f54d1592c43f0c3023d2f6/FLAG90800fc30 [2020-11-30 02:40:08,592 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan/data/04b39e9a2/dbeb984259f54d1592c43f0c3023d2f6 [2020-11-30 02:40:08,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:40:08,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:40:08,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:40:08,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:40:08,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:40:08,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:40:08" (1/1) ... [2020-11-30 02:40:08,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e19cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08, skipping insertion in model container [2020-11-30 02:40:08,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:40:08" (1/1) ... [2020-11-30 02:40:08,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:40:08,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:40:08,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:40:08,938 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:40:08,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:40:08,987 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:40:08,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08 WrapperNode [2020-11-30 02:40:08,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:40:08,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:40:08,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:40:08,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:40:09,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08" (1/1) ... [2020-11-30 02:40:09,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08" (1/1) ... [2020-11-30 02:40:09,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:40:09,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:40:09,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:40:09,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:40:09,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08" (1/1) ... [2020-11-30 02:40:09,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08" (1/1) ... [2020-11-30 02:40:09,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08" (1/1) ... [2020-11-30 02:40:09,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08" (1/1) ... [2020-11-30 02:40:09,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08" (1/1) ... [2020-11-30 02:40:09,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08" (1/1) ... [2020-11-30 02:40:09,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08" (1/1) ... [2020-11-30 02:40:09,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:40:09,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:40:09,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:40:09,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:40:09,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/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 [2020-11-30 02:40:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 02:40:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:40:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:40:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:40:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 02:40:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 02:40:09,949 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:40:09,949 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-30 02:40:09,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:40:09 BoogieIcfgContainer [2020-11-30 02:40:09,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:40:09,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:40:09,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:40:09,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:40:09,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:40:08" (1/3) ... [2020-11-30 02:40:09,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7e1e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:40:09, skipping insertion in model container [2020-11-30 02:40:09,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:40:08" (2/3) ... [2020-11-30 02:40:09,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7e1e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:40:09, skipping insertion in model container [2020-11-30 02:40:09,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:40:09" (3/3) ... [2020-11-30 02:40:09,965 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2020-11-30 02:40:09,986 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:40:09,992 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 02:40:10,008 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 02:40:10,050 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:40:10,050 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:40:10,051 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:40:10,051 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:40:10,051 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:40:10,051 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:40:10,051 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:40:10,052 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:40:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-11-30 02:40:10,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 02:40:10,078 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:10,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:10,080 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:10,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:10,087 INFO L82 PathProgramCache]: Analyzing trace with hash 325940891, now seen corresponding path program 1 times [2020-11-30 02:40:10,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:10,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977330734] [2020-11-30 02:40:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:10,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:10,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977330734] [2020-11-30 02:40:10,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:10,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:40:10,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740896373] [2020-11-30 02:40:10,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:10,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:10,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:10,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:10,453 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2020-11-30 02:40:10,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:10,496 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2020-11-30 02:40:10,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:10,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-30 02:40:10,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:10,509 INFO L225 Difference]: With dead ends: 42 [2020-11-30 02:40:10,510 INFO L226 Difference]: Without dead ends: 28 [2020-11-30 02:40:10,513 INFO L677 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 [2020-11-30 02:40:10,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-11-30 02:40:10,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2020-11-30 02:40:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-11-30 02:40:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2020-11-30 02:40:10,552 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 8 [2020-11-30 02:40:10,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:10,553 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2020-11-30 02:40:10,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:10,553 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2020-11-30 02:40:10,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 02:40:10,554 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:10,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:10,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 02:40:10,554 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:10,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:10,555 INFO L82 PathProgramCache]: Analyzing trace with hash -836478317, now seen corresponding path program 1 times [2020-11-30 02:40:10,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:10,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658649159] [2020-11-30 02:40:10,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:10,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:10,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658649159] [2020-11-30 02:40:10,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:10,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:40:10,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589046442] [2020-11-30 02:40:10,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:10,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:10,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:10,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:10,641 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand 3 states. [2020-11-30 02:40:10,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:10,723 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2020-11-30 02:40:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:10,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-30 02:40:10,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:10,726 INFO L225 Difference]: With dead ends: 53 [2020-11-30 02:40:10,726 INFO L226 Difference]: Without dead ends: 33 [2020-11-30 02:40:10,728 INFO L677 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 [2020-11-30 02:40:10,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-30 02:40:10,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 26. [2020-11-30 02:40:10,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-11-30 02:40:10,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2020-11-30 02:40:10,735 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 9 [2020-11-30 02:40:10,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:10,735 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2020-11-30 02:40:10,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:10,735 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2020-11-30 02:40:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 02:40:10,736 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:10,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:10,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 02:40:10,737 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:10,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:10,744 INFO L82 PathProgramCache]: Analyzing trace with hash -910687698, now seen corresponding path program 1 times [2020-11-30 02:40:10,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:10,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357252781] [2020-11-30 02:40:10,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:10,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:10,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357252781] [2020-11-30 02:40:10,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:10,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 02:40:10,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133497301] [2020-11-30 02:40:10,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 02:40:10,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:10,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 02:40:10,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 02:40:10,876 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 4 states. [2020-11-30 02:40:10,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:10,963 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2020-11-30 02:40:10,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 02:40:10,968 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-30 02:40:10,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:10,969 INFO L225 Difference]: With dead ends: 46 [2020-11-30 02:40:10,970 INFO L226 Difference]: Without dead ends: 44 [2020-11-30 02:40:10,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:40:10,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-11-30 02:40:10,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 28. [2020-11-30 02:40:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-30 02:40:10,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-11-30 02:40:10,985 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 9 [2020-11-30 02:40:10,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:10,985 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-11-30 02:40:10,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 02:40:10,986 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-11-30 02:40:10,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 02:40:10,986 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:10,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:10,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 02:40:10,987 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:10,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:10,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1901134695, now seen corresponding path program 1 times [2020-11-30 02:40:10,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:10,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724571914] [2020-11-30 02:40:10,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:11,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724571914] [2020-11-30 02:40:11,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:11,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 02:40:11,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634782299] [2020-11-30 02:40:11,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:40:11,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:11,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:40:11,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:40:11,047 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 3 states. [2020-11-30 02:40:11,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:11,274 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2020-11-30 02:40:11,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:40:11,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-30 02:40:11,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:11,283 INFO L225 Difference]: With dead ends: 49 [2020-11-30 02:40:11,283 INFO L226 Difference]: Without dead ends: 29 [2020-11-30 02:40:11,284 INFO L677 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 [2020-11-30 02:40:11,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-30 02:40:11,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 23. [2020-11-30 02:40:11,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-30 02:40:11,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2020-11-30 02:40:11,289 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 10 [2020-11-30 02:40:11,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:11,289 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2020-11-30 02:40:11,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:40:11,290 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2020-11-30 02:40:11,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 02:40:11,290 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:11,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:11,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 02:40:11,296 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:11,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:11,297 INFO L82 PathProgramCache]: Analyzing trace with hash 183104016, now seen corresponding path program 1 times [2020-11-30 02:40:11,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:11,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771587239] [2020-11-30 02:40:11,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:11,991 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 33 [2020-11-30 02:40:12,777 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 86 [2020-11-30 02:40:13,484 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 71 [2020-11-30 02:40:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:13,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771587239] [2020-11-30 02:40:13,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:13,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-30 02:40:13,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961695763] [2020-11-30 02:40:13,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 02:40:13,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:13,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 02:40:13,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-11-30 02:40:13,528 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 9 states. [2020-11-30 02:40:13,885 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 40 [2020-11-30 02:40:14,089 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 44 [2020-11-30 02:40:14,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:14,138 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2020-11-30 02:40:14,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 02:40:14,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-11-30 02:40:14,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:14,140 INFO L225 Difference]: With dead ends: 39 [2020-11-30 02:40:14,141 INFO L226 Difference]: Without dead ends: 24 [2020-11-30 02:40:14,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-11-30 02:40:14,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-30 02:40:14,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-30 02:40:14,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-30 02:40:14,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-11-30 02:40:14,148 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 15 [2020-11-30 02:40:14,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:14,148 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-11-30 02:40:14,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 02:40:14,148 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-11-30 02:40:14,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 02:40:14,149 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:14,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:14,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 02:40:14,150 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:14,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:14,151 INFO L82 PathProgramCache]: Analyzing trace with hash 640684856, now seen corresponding path program 1 times [2020-11-30 02:40:14,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:14,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296146206] [2020-11-30 02:40:14,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:14,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:14,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296146206] [2020-11-30 02:40:14,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:40:14,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 02:40:14,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049824658] [2020-11-30 02:40:14,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 02:40:14,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:40:14,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 02:40:14,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 02:40:14,222 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 6 states. [2020-11-30 02:40:14,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:40:14,316 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2020-11-30 02:40:14,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 02:40:14,316 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-11-30 02:40:14,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:40:14,317 INFO L225 Difference]: With dead ends: 37 [2020-11-30 02:40:14,318 INFO L226 Difference]: Without dead ends: 35 [2020-11-30 02:40:14,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-11-30 02:40:14,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-30 02:40:14,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 22. [2020-11-30 02:40:14,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-30 02:40:14,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2020-11-30 02:40:14,325 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 16 [2020-11-30 02:40:14,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:40:14,325 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-11-30 02:40:14,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 02:40:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-11-30 02:40:14,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 02:40:14,327 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:40:14,327 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:40:14,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 02:40:14,327 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:40:14,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:40:14,333 INFO L82 PathProgramCache]: Analyzing trace with hash -130522553, now seen corresponding path program 1 times [2020-11-30 02:40:14,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:40:14,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226093826] [2020-11-30 02:40:14,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:40:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:14,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:14,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226093826] [2020-11-30 02:40:14,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087579060] [2020-11-30 02:40:14,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/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 [2020-11-30 02:40:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:40:14,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-30 02:40:14,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:40:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:19,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:40:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:40:22,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2133350849] [2020-11-30 02:40:22,109 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2020-11-30 02:40:22,109 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 02:40:22,114 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 02:40:22,121 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 02:40:22,121 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 02:40:24,783 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-11-30 02:40:25,012 INFO L180 IcfgInterpreter]: Interpretation finished [2020-11-30 02:40:25,577 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2020-11-30 02:40:25,884 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2020-11-30 02:40:26,225 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2020-11-30 02:40:28,643 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2020-11-30 02:40:31,173 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2020-11-30 02:40:31,555 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-11-30 02:40:34,193 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2020-11-30 02:40:36,701 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2020-11-30 02:40:41,281 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 91 [2020-11-30 02:40:43,857 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 99 [2020-11-30 02:40:55,113 WARN L193 SmtUtils]: Spent 6.92 s on a formula simplification. DAG size of input: 145 DAG size of output: 102 [2020-11-30 02:40:55,367 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-11-30 02:41:00,020 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2020-11-30 02:41:00,023 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 02:41:00,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-11-30 02:41:00,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 4] total 9 [2020-11-30 02:41:00,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475722472] [2020-11-30 02:41:00,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 02:41:00,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:41:00,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 02:41:00,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=358, Unknown=6, NotChecked=0, Total=462 [2020-11-30 02:41:00,027 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 9 states. [2020-11-30 02:41:07,495 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2020-11-30 02:41:09,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:41:09,751 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2020-11-30 02:41:09,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 02:41:09,752 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-11-30 02:41:09,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:41:09,753 INFO L225 Difference]: With dead ends: 35 [2020-11-30 02:41:09,753 INFO L226 Difference]: Without dead ends: 27 [2020-11-30 02:41:09,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 32 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 46.6s TimeCoverageRelationStatistics Valid=107, Invalid=393, Unknown=6, NotChecked=0, Total=506 [2020-11-30 02:41:09,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-30 02:41:09,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2020-11-30 02:41:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-30 02:41:09,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-11-30 02:41:09,759 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 17 [2020-11-30 02:41:09,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:41:09,759 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-11-30 02:41:09,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 02:41:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-11-30 02:41:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 02:41:09,760 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:41:09,761 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:41:09,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-30 02:41:09,978 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:41:09,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:41:09,979 INFO L82 PathProgramCache]: Analyzing trace with hash 940372536, now seen corresponding path program 1 times [2020-11-30 02:41:09,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:41:09,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105812451] [2020-11-30 02:41:09,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:41:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:41:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:41:12,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105812451] [2020-11-30 02:41:12,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194806373] [2020-11-30 02:41:12,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/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 [2020-11-30 02:41:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:41:12,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 02:41:12,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:41:23,382 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 21 [2020-11-30 02:41:30,050 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 21 [2020-11-30 02:41:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:41:30,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:41:45,588 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-11-30 02:41:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:41:45,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-11-30 02:41:45,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8, 8] total 19 [2020-11-30 02:41:45,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802398276] [2020-11-30 02:41:45,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 02:41:45,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:41:45,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 02:41:45,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=232, Unknown=6, NotChecked=0, Total=342 [2020-11-30 02:41:45,728 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 8 states. [2020-11-30 02:41:49,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:41:49,506 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2020-11-30 02:41:49,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 02:41:49,510 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-11-30 02:41:49,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:41:49,511 INFO L225 Difference]: With dead ends: 26 [2020-11-30 02:41:49,511 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 02:41:49,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 34.8s TimeCoverageRelationStatistics Valid=104, Invalid=232, Unknown=6, NotChecked=0, Total=342 [2020-11-30 02:41:49,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 02:41:49,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 02:41:49,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 02:41:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 02:41:49,513 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-30 02:41:49,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:41:49,513 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 02:41:49,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 02:41:49,513 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 02:41:49,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 02:41:49,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 02:41:49,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 02:41:49,904 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2020-11-30 02:41:56,566 WARN L193 SmtUtils]: Spent 6.66 s on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2020-11-30 02:41:59,269 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2020-11-30 02:41:59,338 INFO L274 CegarLoopResult]: For program point L31(lines 31 147) no Hoare annotation was computed. [2020-11-30 02:41:59,338 INFO L274 CegarLoopResult]: For program point L60(lines 60 93) no Hoare annotation was computed. [2020-11-30 02:41:59,339 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-30 02:41:59,339 INFO L270 CegarLoopResult]: At program point L151(lines 29 152) the Hoare annotation is: false [2020-11-30 02:41:59,339 INFO L274 CegarLoopResult]: For program point L40(lines 40 139) no Hoare annotation was computed. [2020-11-30 02:41:59,339 INFO L277 CegarLoopResult]: At program point L131(lines 98 132) the Hoare annotation is: true [2020-11-30 02:41:59,339 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 02:41:59,339 INFO L270 CegarLoopResult]: At program point L156(lines 26 157) the Hoare annotation is: (or (= ULTIMATE.start_main_~main__loop_entered~0 0) (let ((.cse5 (div ULTIMATE.start_main_~main__index2~0 4294967296)) (.cse6 (div ULTIMATE.start_main_~main__index1~0 4294967296))) (let ((.cse8 (* 4294967296 .cse6)) (.cse7 (* 4294967296 .cse5))) (and (or (let ((.cse4 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0.base|))) (let ((.cse3 (select .cse4 (+ (* ULTIMATE.start_main_~main__index1~0 4) |ULTIMATE.start_main_~#main__array~0.offset| (* .cse6 (- 17179869184))))) (.cse2 (select .cse4 (+ (* ULTIMATE.start_main_~main__index2~0 4) |ULTIMATE.start_main_~#main__array~0.offset| (* .cse5 (- 17179869184)))))) (let ((.cse1 (+ .cse3 (* 4294967296 (div .cse2 4294967296)))) (.cse0 (+ .cse2 (* 4294967296 (div .cse3 4294967296))))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))))) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse7) (+ ULTIMATE.start_main_~main__index2~0 .cse8))) (<= ULTIMATE.start_main_~main__index1~0 (+ .cse8 99999)) (or (forall ((aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 Int) (aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57 Int)) (let ((.cse10 (* 4294967296 aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57)) (.cse9 (* 4294967296 aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57))) (or (< (+ ULTIMATE.start_main_~main__index2~0 1) .cse9) (<= (+ .cse10 4294967297) ULTIMATE.start_main_~main__index1~0) (< ULTIMATE.start_main_~main__index1~0 (+ .cse10 1)) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse9) (+ ULTIMATE.start_main_~main__index2~0 .cse10 2)) (<= (+ .cse9 4294967295) ULTIMATE.start_main_~main__index2~0)))) (<= (mod ULTIMATE.start_main_~main__index1~0 4294967296) (mod ULTIMATE.start_main_~main__index2~0 4294967296))) (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse7 99999)))))) [2020-11-30 02:41:59,340 INFO L274 CegarLoopResult]: For program point L57(lines 57 133) no Hoare annotation was computed. [2020-11-30 02:41:59,340 INFO L274 CegarLoopResult]: For program point L24(lines 24 162) no Hoare annotation was computed. [2020-11-30 02:41:59,340 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-30 02:41:59,340 INFO L270 CegarLoopResult]: At program point L119(lines 99 128) the Hoare annotation is: (let ((.cse11 (<= (mod ULTIMATE.start_main_~main__index1~0 4294967296) (mod ULTIMATE.start_main_~main__index2~0 4294967296))) (.cse12 (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1))) (or (let ((.cse5 (div ULTIMATE.start_main_~main__index2~0 4294967296)) (.cse6 (div ULTIMATE.start_main_~main__index1~0 4294967296))) (let ((.cse8 (* 4294967296 .cse6)) (.cse7 (* 4294967296 .cse5))) (and (or (let ((.cse4 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0.base|))) (let ((.cse3 (select .cse4 (+ (* ULTIMATE.start_main_~main__index1~0 4) |ULTIMATE.start_main_~#main__array~0.offset| (* .cse6 (- 17179869184))))) (.cse2 (select .cse4 (+ (* ULTIMATE.start_main_~main__index2~0 4) |ULTIMATE.start_main_~#main__array~0.offset| (* .cse5 (- 17179869184)))))) (let ((.cse1 (+ .cse3 (* 4294967296 (div .cse2 4294967296)))) (.cse0 (+ .cse2 (* 4294967296 (div .cse3 4294967296))))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))))) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse7) (+ ULTIMATE.start_main_~main__index2~0 .cse8))) (<= ULTIMATE.start_main_~main__index1~0 (+ .cse8 99999)) (or (forall ((aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 Int) (aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57 Int)) (let ((.cse10 (* 4294967296 aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57)) (.cse9 (* 4294967296 aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57))) (or (< (+ ULTIMATE.start_main_~main__index2~0 1) .cse9) (<= (+ .cse10 4294967297) ULTIMATE.start_main_~main__index1~0) (< ULTIMATE.start_main_~main__index1~0 (+ .cse10 1)) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse9) (+ ULTIMATE.start_main_~main__index2~0 .cse10 2)) (<= (+ .cse9 4294967295) ULTIMATE.start_main_~main__index2~0)))) .cse11) .cse12 (<= ULTIMATE.start_main_~main__index2~0 (+ .cse7 99999))))) (and .cse11 (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0)) .cse12))) [2020-11-30 02:41:59,340 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-11-30 02:41:59,341 INFO L274 CegarLoopResult]: For program point L4-2(line 4) no Hoare annotation was computed. [2020-11-30 02:41:59,341 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 02:41:59,341 INFO L274 CegarLoopResult]: For program point L4-4(line 4) no Hoare annotation was computed. [2020-11-30 02:41:59,341 INFO L274 CegarLoopResult]: For program point L62(lines 62 88) no Hoare annotation was computed. [2020-11-30 02:41:59,341 INFO L274 CegarLoopResult]: For program point L29(lines 29 152) no Hoare annotation was computed. [2020-11-30 02:41:59,342 INFO L270 CegarLoopResult]: At program point L87(lines 62 88) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (and (<= (+ ULTIMATE.start_main_~main__index1~0 .cse0 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (not (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~1 0)) (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse0 99999)))) [2020-11-30 02:41:59,343 INFO L274 CegarLoopResult]: For program point L21(lines 21 167) no Hoare annotation was computed. [2020-11-30 02:41:59,343 INFO L274 CegarLoopResult]: For program point L50(lines 50 138) no Hoare annotation was computed. [2020-11-30 02:41:59,344 INFO L270 CegarLoopResult]: At program point L79(lines 46 139) the Hoare annotation is: (let ((.cse3 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (let ((.cse0 (<= (+ ULTIMATE.start_main_~main__index1~0 .cse3 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296))))) (.cse1 (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1)) (.cse2 (<= ULTIMATE.start_main_~main__index2~0 (+ .cse3 99999)))) (or (and (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~0 1) .cse0 .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~1 0)) .cse1 (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~1 0)) .cse2)))) [2020-11-30 02:41:59,344 INFO L274 CegarLoopResult]: For program point L108(lines 108 120) no Hoare annotation was computed. [2020-11-30 02:41:59,344 INFO L274 CegarLoopResult]: For program point L71(lines 71 80) no Hoare annotation was computed. [2020-11-30 02:41:59,344 INFO L277 CegarLoopResult]: At program point L166(lines 14 168) the Hoare annotation is: true [2020-11-30 02:41:59,345 INFO L270 CegarLoopResult]: At program point L92(lines 60 93) the Hoare annotation is: false [2020-11-30 02:41:59,345 INFO L274 CegarLoopResult]: For program point L26(lines 26 157) no Hoare annotation was computed. [2020-11-30 02:41:59,345 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-30 02:41:59,345 INFO L270 CegarLoopResult]: At program point L146(lines 31 147) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (and (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~0 1) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse0 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (= ULTIMATE.start_main_~main__loop_entered~0 0) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse0 99999)))) [2020-11-30 02:41:59,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,396 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,397 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,397 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,397 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,398 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,398 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,401 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,401 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,403 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,403 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:41:59 BoogieIcfgContainer [2020-11-30 02:41:59,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:41:59,413 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:41:59,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:41:59,413 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:41:59,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:40:09" (3/4) ... [2020-11-30 02:41:59,417 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 02:41:59,430 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-30 02:41:59,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 02:41:59,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:41:59,432 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:41:59,535 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8747550b-f42f-41cb-9607-467d13ef7d06/bin/utaipan/witness.graphml [2020-11-30 02:41:59,535 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:41:59,536 INFO L168 Benchmark]: Toolchain (without parser) took 110936.31 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 100.1 MB in the beginning and 67.6 MB in the end (delta: 32.5 MB). Peak memory consumption was 59.0 MB. Max. memory is 16.1 GB. [2020-11-30 02:41:59,537 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 83.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:41:59,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.05 ms. Allocated memory is still 127.9 MB. Free memory was 99.8 MB in the beginning and 103.6 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:41:59,541 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.51 ms. Allocated memory is still 127.9 MB. Free memory was 103.6 MB in the beginning and 102.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:41:59,541 INFO L168 Benchmark]: Boogie Preprocessor took 55.96 ms. Allocated memory is still 127.9 MB. Free memory was 102.0 MB in the beginning and 100.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:41:59,542 INFO L168 Benchmark]: RCFGBuilder took 819.76 ms. Allocated memory is still 127.9 MB. Free memory was 100.5 MB in the beginning and 80.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 02:41:59,546 INFO L168 Benchmark]: TraceAbstraction took 109455.11 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 80.0 MB in the beginning and 71.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:41:59,547 INFO L168 Benchmark]: Witness Printer took 122.59 ms. Allocated memory is still 155.2 MB. Free memory was 71.8 MB in the beginning and 67.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:41:59,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 83.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 384.05 ms. Allocated memory is still 127.9 MB. Free memory was 99.8 MB in the beginning and 103.6 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.51 ms. Allocated memory is still 127.9 MB. Free memory was 103.6 MB in the beginning and 102.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.96 ms. Allocated memory is still 127.9 MB. Free memory was 102.0 MB in the beginning and 100.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 819.76 ms. Allocated memory is still 127.9 MB. Free memory was 100.5 MB in the beginning and 80.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 109455.11 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 80.0 MB in the beginning and 71.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. * Witness Printer took 122.59 ms. Allocated memory is still 155.2 MB. Free memory was 71.8 MB in the beginning and 67.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 3 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((main____CPAchecker_TMP_0 == 1 && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) || ((((main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && !(main____CPAchecker_TMP_0 == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant [2020-11-30 02:41:59,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,584 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,585 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: main__loop_entered == 0 || ((((((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296)) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && main__index1 <= 4294967296 * (main__index1 / 4294967296) + 99999) && ((forall aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 : int, aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57 : int :: (((main__index2 + 1 < 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57 || 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 + 4294967297 <= main__index1) || main__index1 < 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 + 1) || main__index1 + 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57 <= main__index2 + 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 + 2) || 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57 + 4294967295 <= main__index2) || main__index1 % 4294967296 <= main__index2 % 4294967296)) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant [2020-11-30 02:41:59,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,589 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,590 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,593 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,593 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,593 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,594 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,594 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,594 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57,QUANTIFIED] [2020-11-30 02:41:59,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 02:41:59,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296)) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && main__index1 <= 4294967296 * (main__index1 / 4294967296) + 99999) && ((forall aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 : int, aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57 : int :: (((main__index2 + 1 < 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57 || 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 + 4294967297 <= main__index1) || main__index1 < 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 + 1) || main__index1 + 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57 <= main__index2 + 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index1~0_33_57 + 2) || 4294967296 * aux_div_v_ULTIMATE.start_main_~main__index2~0_33_57 + 4294967295 <= main__index2) || main__index1 % 4294967296 <= main__index2 % 4294967296)) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) || ((main__index1 % 4294967296 <= main__index2 % 4294967296 && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && !(main____CPAchecker_TMP_0 == 0)) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((main____CPAchecker_TMP_0 == 1 && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && main__loop_entered == 0) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 99.6s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 175 SDtfs, 192 SDslu, 197 SDs, 0 SdLazy, 191 SolverSat, 26 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 82 SyntacticMatches, 7 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 83.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 46 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 24 NumberOfFragments, 605 HoareAnnotationTreeSize, 9 FomulaSimplifications, 832 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 677 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 45.3s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 178 ConstructedInterpolants, 14 QuantifiedInterpolants, 72188 SizeOfPredicates, 7 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 16/21 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...