./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0621a.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_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0621a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/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 c46c21346fa3a14a7874ed8ff9a4a0a79ae6f208 ............................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0621a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/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 c46c21346fa3a14a7874ed8ff9a4a0a79ae6f208 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:00:54,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:00:54,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:00:54,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:00:54,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:00:54,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:00:54,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:00:54,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:00:54,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:00:54,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:00:54,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:00:54,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:00:54,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:00:54,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:00:54,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:00:54,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:00:54,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:00:54,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:00:54,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:00:54,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:00:54,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:00:54,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:00:54,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:00:54,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:00:54,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:00:54,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:00:54,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:00:54,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:00:54,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:00:54,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:00:54,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:00:54,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:00:54,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:00:54,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:00:54,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:00:54,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:00:54,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:00:54,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:00:54,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:00:54,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:00:54,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:00:54,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 02:00:54,274 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:00:54,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:00:54,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:00:54,276 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:00:54,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:00:54,276 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:00:54,277 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:00:54,277 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:00:54,277 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:00:54,277 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:00:54,278 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:00:54,278 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:00:54,278 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:00:54,279 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:00:54,279 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:00:54,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:00:54,280 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:00:54,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:00:54,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:00:54,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:00:54,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:00:54,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:00:54,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:00:54,282 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:00:54,282 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:00:54,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:00:54,283 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:00:54,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:00:54,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:00:54,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:00:54,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:00:54,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:00:54,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:00:54,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:00:54,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:00:54,286 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:00:54,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:00:54,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:00:54,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:00:54,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:00:54,287 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_5142b7de-ddd9-4efc-b393-aa10fee935e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46c21346fa3a14a7874ed8ff9a4a0a79ae6f208 [2020-11-30 02:00:54,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:00:54,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:00:54,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:00:54,652 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:00:54,653 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:00:54,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0621a.c [2020-11-30 02:00:54,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/data/e09faed8a/51e6b70a3a494519bf6ed7b7b81d3121/FLAGa17e4c15f [2020-11-30 02:00:55,362 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:00:55,363 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/sv-benchmarks/c/float-newlib/float_req_bl_0621a.c [2020-11-30 02:00:55,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/data/e09faed8a/51e6b70a3a494519bf6ed7b7b81d3121/FLAGa17e4c15f [2020-11-30 02:00:55,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/data/e09faed8a/51e6b70a3a494519bf6ed7b7b81d3121 [2020-11-30 02:00:55,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:00:55,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:00:55,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:00:55,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:00:55,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:00:55,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:00:55" (1/1) ... [2020-11-30 02:00:55,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a202e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:55, skipping insertion in model container [2020-11-30 02:00:55,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:00:55" (1/1) ... [2020-11-30 02:00:55,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:00:55,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:00:56,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:00:56,011 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:00:56,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:00:56,074 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:00:56,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:56 WrapperNode [2020-11-30 02:00:56,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:00:56,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:00:56,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:00:56,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:00:56,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:56" (1/1) ... [2020-11-30 02:00:56,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:56" (1/1) ... [2020-11-30 02:00:56,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:00:56,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:00:56,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:00:56,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:00:56,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:56" (1/1) ... [2020-11-30 02:00:56,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:56" (1/1) ... [2020-11-30 02:00:56,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:56" (1/1) ... [2020-11-30 02:00:56,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:56" (1/1) ... [2020-11-30 02:00:56,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:56" (1/1) ... [2020-11-30 02:00:56,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:56" (1/1) ... [2020-11-30 02:00:56,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:56" (1/1) ... [2020-11-30 02:00:56,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:00:56,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:00:56,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:00:56,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:00:56,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/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 02:00:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 02:00:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:00:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 02:00:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 02:00:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 02:00:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:00:56,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:00:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 02:00:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-30 02:00:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 02:00:57,015 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:00:57,015 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-30 02:00:57,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:00:57 BoogieIcfgContainer [2020-11-30 02:00:57,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:00:57,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:00:57,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:00:57,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:00:57,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:00:55" (1/3) ... [2020-11-30 02:00:57,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca56882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:00:57, skipping insertion in model container [2020-11-30 02:00:57,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:56" (2/3) ... [2020-11-30 02:00:57,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca56882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:00:57, skipping insertion in model container [2020-11-30 02:00:57,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:00:57" (3/3) ... [2020-11-30 02:00:57,029 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621a.c [2020-11-30 02:00:57,042 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:00:57,047 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:00:57,057 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:00:57,081 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:00:57,082 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:00:57,082 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:00:57,082 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:00:57,083 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:00:57,083 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:00:57,083 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:00:57,083 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:00:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-30 02:00:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 02:00:57,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:00:57,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:00:57,102 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:00:57,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:00:57,108 INFO L82 PathProgramCache]: Analyzing trace with hash 371574944, now seen corresponding path program 1 times [2020-11-30 02:00:57,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:00:57,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416485450] [2020-11-30 02:00:57,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:00:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:00:57,264 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 02:00:57,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416485450] [2020-11-30 02:00:57,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:00:57,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:00:57,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544715275] [2020-11-30 02:00:57,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 02:00:57,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:00:57,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 02:00:57,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:00:57,297 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-11-30 02:00:57,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:00:57,317 INFO L93 Difference]: Finished difference Result 41 states and 61 transitions. [2020-11-30 02:00:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 02:00:57,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-30 02:00:57,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:00:57,338 INFO L225 Difference]: With dead ends: 41 [2020-11-30 02:00:57,348 INFO L226 Difference]: Without dead ends: 19 [2020-11-30 02:00:57,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:00:57,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-30 02:00:57,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-30 02:00:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-30 02:00:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2020-11-30 02:00:57,394 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 7 [2020-11-30 02:00:57,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:00:57,395 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2020-11-30 02:00:57,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 02:00:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2020-11-30 02:00:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 02:00:57,396 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:00:57,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:00:57,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 02:00:57,397 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:00:57,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:00:57,401 INFO L82 PathProgramCache]: Analyzing trace with hash 762721501, now seen corresponding path program 1 times [2020-11-30 02:00:57,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:00:57,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845717900] [2020-11-30 02:00:57,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:00:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 02:00:57,561 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 02:00:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 02:00:57,628 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 02:00:57,671 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-30 02:00:57,672 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 02:00:57,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 02:00:57,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:00:57 BoogieIcfgContainer [2020-11-30 02:00:57,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:00:57,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:00:57,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:00:57,706 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:00:57,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:00:57" (3/4) ... [2020-11-30 02:00:57,710 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 02:00:57,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:00:57,712 INFO L168 Benchmark]: Toolchain (without parser) took 1982.09 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 50.6 MB in the beginning and 70.3 MB in the end (delta: -19.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:00:57,713 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 42.8 MB in the beginning and 42.8 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:00:57,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.71 ms. Allocated memory is still 81.8 MB. Free memory was 50.3 MB in the beginning and 56.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:57,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.67 ms. Allocated memory is still 81.8 MB. Free memory was 56.7 MB in the beginning and 54.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:57,716 INFO L168 Benchmark]: Boogie Preprocessor took 39.92 ms. Allocated memory is still 81.8 MB. Free memory was 54.6 MB in the beginning and 52.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:57,717 INFO L168 Benchmark]: RCFGBuilder took 844.90 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 52.5 MB in the beginning and 66.9 MB in the end (delta: -14.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:57,718 INFO L168 Benchmark]: TraceAbstraction took 683.91 ms. Allocated memory is still 98.6 MB. Free memory was 66.9 MB in the beginning and 71.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:57,718 INFO L168 Benchmark]: Witness Printer took 4.63 ms. Allocated memory is still 98.6 MB. Free memory was 71.0 MB in the beginning and 70.3 MB in the end (delta: 724.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:57,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 42.8 MB in the beginning and 42.8 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 344.71 ms. Allocated memory is still 81.8 MB. Free memory was 50.3 MB in the beginning and 56.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.67 ms. Allocated memory is still 81.8 MB. Free memory was 56.7 MB in the beginning and 54.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.92 ms. Allocated memory is still 81.8 MB. Free memory was 54.6 MB in the beginning and 52.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 844.90 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 52.5 MB in the beginning and 66.9 MB in the end (delta: -14.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 683.91 ms. Allocated memory is still 98.6 MB. Free memory was 66.9 MB in the beginning and 71.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.63 ms. Allocated memory is still 98.6 MB. Free memory was 71.0 MB in the beginning and 70.3 MB in the end (delta: 724.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 132, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 67, overapproximation of someBinaryArithmeticFLOAToperation at line 70. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L54-L56] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L129] float x = 1.0f / 0.0f; [L59] float w, s1, s2, z; [L60] __int32_t ix, hx, id; VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L63] ieee_float_shape_type gf_u; [L64] gf_u.value = (x) [L65] EXPR gf_u.word [L65] (hx) = gf_u.word [L67] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L68] COND TRUE ix >= 0x50800000 [L69] COND FALSE !(((ix) > 0x7f800000L)) [L71] COND FALSE !(hx > 0) [L74] EXPR atanhi_atan[3] [L74] EXPR atanlo_atan[3] [L74] return -atanhi_atan[3] - atanlo_atan[3]; [L130] float res = atan_float(x); [L132] COND TRUE res != pi_o_2 VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L3] __assert_fail("0", "float_req_bl_0621a.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:01:00,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:01:00,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:01:00,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:01:00,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:01:00,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:01:00,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:01:00,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:01:00,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:01:00,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:01:00,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:01:00,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:01:00,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:01:00,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:01:00,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:01:00,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:01:00,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:01:00,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:01:00,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:01:00,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:01:00,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:01:00,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:01:00,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:01:00,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:01:00,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:01:00,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:01:00,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:01:00,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:01:00,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:01:00,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:01:00,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:01:00,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:01:00,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:01:00,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:01:00,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:01:00,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:01:00,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:01:00,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:01:00,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:01:00,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:01:00,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:01:00,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 02:01:00,550 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:01:00,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:01:00,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:01:00,556 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:01:00,556 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:01:00,556 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:01:00,557 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:01:00,557 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:01:00,557 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:01:00,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:01:00,560 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:01:00,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:01:00,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:01:00,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:01:00,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:01:00,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:01:00,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:01:00,562 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 02:01:00,562 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 02:01:00,562 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:01:00,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:01:00,563 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:01:00,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:01:00,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:01:00,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 02:01:00,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:01:00,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:01:00,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:01:00,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:01:00,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:01:00,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:01:00,566 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 02:01:00,566 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 02:01:00,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:01:00,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:01:00,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:01:00,567 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_5142b7de-ddd9-4efc-b393-aa10fee935e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46c21346fa3a14a7874ed8ff9a4a0a79ae6f208 [2020-11-30 02:01:00,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:01:01,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:01:01,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:01:01,027 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:01:01,028 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:01:01,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0621a.c [2020-11-30 02:01:01,116 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/data/6ffd252cb/43010fe2fd784cc4bbffd01e13a6e981/FLAG0e0d103a9 [2020-11-30 02:01:01,758 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:01:01,759 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/sv-benchmarks/c/float-newlib/float_req_bl_0621a.c [2020-11-30 02:01:01,769 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/data/6ffd252cb/43010fe2fd784cc4bbffd01e13a6e981/FLAG0e0d103a9 [2020-11-30 02:01:02,108 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/data/6ffd252cb/43010fe2fd784cc4bbffd01e13a6e981 [2020-11-30 02:01:02,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:01:02,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:01:02,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:01:02,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:01:02,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:01:02,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:01:02" (1/1) ... [2020-11-30 02:01:02,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35630eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02, skipping insertion in model container [2020-11-30 02:01:02,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:01:02" (1/1) ... [2020-11-30 02:01:02,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:01:02,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:01:02,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:01:02,366 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:01:02,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:01:02,473 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:01:02,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02 WrapperNode [2020-11-30 02:01:02,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:01:02,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:01:02,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:01:02,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:01:02,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02" (1/1) ... [2020-11-30 02:01:02,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02" (1/1) ... [2020-11-30 02:01:02,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:01:02,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:01:02,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:01:02,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:01:02,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02" (1/1) ... [2020-11-30 02:01:02,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02" (1/1) ... [2020-11-30 02:01:02,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02" (1/1) ... [2020-11-30 02:01:02,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02" (1/1) ... [2020-11-30 02:01:02,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02" (1/1) ... [2020-11-30 02:01:02,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02" (1/1) ... [2020-11-30 02:01:02,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02" (1/1) ... [2020-11-30 02:01:02,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:01:02,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:01:02,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:01:02,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:01:02,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/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 02:01:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-30 02:01:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 02:01:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:01:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-30 02:01:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 02:01:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:01:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:01:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-30 02:01:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 02:01:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 02:01:11,788 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:01:11,788 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-30 02:01:11,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:01:11 BoogieIcfgContainer [2020-11-30 02:01:11,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:01:11,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:01:11,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:01:11,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:01:11,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:01:02" (1/3) ... [2020-11-30 02:01:11,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274d4a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:01:11, skipping insertion in model container [2020-11-30 02:01:11,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:02" (2/3) ... [2020-11-30 02:01:11,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274d4a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:01:11, skipping insertion in model container [2020-11-30 02:01:11,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:01:11" (3/3) ... [2020-11-30 02:01:11,801 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621a.c [2020-11-30 02:01:11,814 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:01:11,819 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:01:11,833 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:01:11,863 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:01:11,863 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:01:11,863 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:01:11,863 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:01:11,864 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:01:11,864 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:01:11,864 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:01:11,865 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:01:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-11-30 02:01:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 02:01:11,886 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:01:11,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:01:11,888 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:01:11,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:01:11,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1906423550, now seen corresponding path program 1 times [2020-11-30 02:01:11,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:01:11,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299141560] [2020-11-30 02:01:11,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 02:01:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:01:13,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 02:01:13,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:01:13,112 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 02:01:13,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:01:13,117 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 02:01:13,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299141560] [2020-11-30 02:01:13,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:01:13,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 02:01:13,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118737142] [2020-11-30 02:01:13,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 02:01:13,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:01:13,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 02:01:13,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:01:13,144 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-11-30 02:01:13,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:01:13,166 INFO L93 Difference]: Finished difference Result 63 states and 97 transitions. [2020-11-30 02:01:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 02:01:13,168 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-30 02:01:13,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:01:13,179 INFO L225 Difference]: With dead ends: 63 [2020-11-30 02:01:13,179 INFO L226 Difference]: Without dead ends: 29 [2020-11-30 02:01:13,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:01:13,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-30 02:01:13,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-30 02:01:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 02:01:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-11-30 02:01:13,221 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 9 [2020-11-30 02:01:13,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:01:13,222 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-11-30 02:01:13,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 02:01:13,222 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-11-30 02:01:13,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 02:01:13,223 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:01:13,224 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:01:13,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 02:01:13,432 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:01:13,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:01:13,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1481927263, now seen corresponding path program 1 times [2020-11-30 02:01:13,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:01:13,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305474147] [2020-11-30 02:01:13,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 02:01:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:01:14,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 02:01:14,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:01:14,804 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 02:01:14,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:01:14,961 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 02:01:14,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305474147] [2020-11-30 02:01:14,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:01:14,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-30 02:01:14,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467406344] [2020-11-30 02:01:14,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 02:01:14,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:01:14,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 02:01:14,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:01:14,965 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 8 states. [2020-11-30 02:01:15,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:01:15,280 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2020-11-30 02:01:15,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 02:01:15,285 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-11-30 02:01:15,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:01:15,285 INFO L225 Difference]: With dead ends: 33 [2020-11-30 02:01:15,285 INFO L226 Difference]: Without dead ends: 12 [2020-11-30 02:01:15,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-30 02:01:15,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-30 02:01:15,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-30 02:01:15,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-30 02:01:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-11-30 02:01:15,290 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2020-11-30 02:01:15,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:01:15,291 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-11-30 02:01:15,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 02:01:15,291 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-11-30 02:01:15,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 02:01:15,292 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:01:15,292 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:01:15,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 02:01:15,496 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:01:15,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:01:15,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1305404355, now seen corresponding path program 1 times [2020-11-30 02:01:15,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:01:15,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683870780] [2020-11-30 02:01:15,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 02:01:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:01:17,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-30 02:01:17,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:01:17,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:17,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:17,728 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2020-11-30 02:01:17,729 INFO L350 Elim1Store]: treesize reduction 339, result has 16.7 percent of original size [2020-11-30 02:01:17,730 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 738 treesize of output 752 [2020-11-30 02:01:17,743 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 1] term [2020-11-30 02:01:17,744 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,752 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 2, 2, 2, 5, 2, 3, 2, 2, 2, 3, 2, 3, 2, 3, 2, 2, 1] term [2020-11-30 02:01:17,753 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,760 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 2, 2, 2, 3, 2, 3, 2, 3, 2, 2, 1] term [2020-11-30 02:01:17,760 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,762 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 2, 2, 3, 2, 3, 2, 3, 2, 2, 1] term [2020-11-30 02:01:17,772 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,774 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 2, 3, 2, 3, 2, 2, 1] term [2020-11-30 02:01:17,775 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,776 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 1] term [2020-11-30 02:01:17,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,778 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-11-30 02:01:17,779 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,780 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-11-30 02:01:17,780 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,785 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 2, 3, 2, 2, 1] term [2020-11-30 02:01:17,788 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,790 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 2, 2, 1] term [2020-11-30 02:01:17,794 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,796 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 2, 1] term [2020-11-30 02:01:17,797 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,798 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-11-30 02:01:17,800 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,803 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-11-30 02:01:17,803 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:17,810 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:18,953 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 156 DAG size of output: 110 [2020-11-30 02:01:18,955 INFO L625 ElimStorePlain]: treesize reduction 2434, result has 8.3 percent of original size [2020-11-30 02:01:18,971 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:18,986 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:18,991 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:18,996 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,005 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,010 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,016 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,020 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,024 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-30 02:01:19,024 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:200, output treesize:219 [2020-11-30 02:01:19,032 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,037 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,040 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,044 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,049 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,052 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,057 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,060 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,258 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-30 02:01:19,281 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,292 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,306 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,311 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,326 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,338 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,343 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,349 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,607 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,612 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,615 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,618 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,623 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,626 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,630 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,632 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,636 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,639 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,643 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,653 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,656 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,659 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,662 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,664 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,669 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,672 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,676 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,678 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,681 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,686 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,688 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,692 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,694 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,701 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,703 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,707 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,711 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,714 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,717 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,720 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,722 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,727 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,729 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,733 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,741 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,746 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,748 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,752 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,757 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,759 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,763 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,766 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,768 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,772 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,775 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,779 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,781 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:19,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:20,262 INFO L244 Elim1Store]: Index analysis took 395 ms [2020-11-30 02:01:20,566 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-30 02:01:20,566 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:20,567 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 43 treesize of output 179 [2020-11-30 02:01:20,570 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:20,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:20,803 INFO L244 Elim1Store]: Index analysis took 174 ms [2020-11-30 02:01:20,930 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 02:01:20,930 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:20,931 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 02:01:20,934 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:20,935 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:20,936 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:20,937 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:20,959 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:21,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:21,270 INFO L244 Elim1Store]: Index analysis took 270 ms [2020-11-30 02:01:21,399 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 02:01:21,400 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:21,400 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 02:01:21,403 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:21,409 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:21,417 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:21,417 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:21,436 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:21,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:21,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:21,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:21,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:21,697 INFO L244 Elim1Store]: Index analysis took 205 ms [2020-11-30 02:01:21,911 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 02:01:21,912 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:21,912 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 02:01:21,914 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:22,297 INFO L244 Elim1Store]: Index analysis took 337 ms [2020-11-30 02:01:22,443 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 02:01:22,443 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:22,443 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 02:01:22,445 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:22,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:22,708 INFO L244 Elim1Store]: Index analysis took 204 ms [2020-11-30 02:01:22,887 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 02:01:22,887 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:22,888 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 02:01:22,890 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:22,891 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:22,892 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:22,893 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:22,910 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:22,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:23,235 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 02:01:23,236 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:23,236 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 02:01:23,238 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:27,238 WARN L193 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 140 DAG size of output: 124 [2020-11-30 02:01:27,239 INFO L625 ElimStorePlain]: treesize reduction 470, result has 68.0 percent of original size [2020-11-30 02:01:27,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:27,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:27,422 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 02:01:27,430 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:27,430 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-11-30 02:01:27,432 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:27,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:27,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:27,582 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 02:01:27,590 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:27,591 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-11-30 02:01:27,592 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:27,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:27,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:27,796 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 02:01:27,803 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:27,803 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-11-30 02:01:27,805 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:27,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:27,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:27,940 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 02:01:27,948 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:27,949 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 16 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-11-30 02:01:27,950 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:28,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:28,028 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 02:01:28,035 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:28,036 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-11-30 02:01:28,037 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:30,302 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 130 DAG size of output: 122 [2020-11-30 02:01:30,304 INFO L625 ElimStorePlain]: treesize reduction 90, result has 91.6 percent of original size [2020-11-30 02:01:30,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683870780] [2020-11-30 02:01:30,310 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Unsupported sort (_ BitVec 32) [2020-11-30 02:01:30,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2008861379] [2020-11-30 02:01:30,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 02:01:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:01:37,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-30 02:01:37,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:01:37,594 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 39 [2020-11-30 02:01:37,595 INFO L350 Elim1Store]: treesize reduction 355, result has 16.1 percent of original size [2020-11-30 02:01:37,595 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 982 treesize of output 964 [2020-11-30 02:01:37,597 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 1] term [2020-11-30 02:01:37,597 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:37,598 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 2, 2, 5, 1] term [2020-11-30 02:01:37,598 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:37,599 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 5, 1] term [2020-11-30 02:01:37,599 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:37,599 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 5, 1] term [2020-11-30 02:01:37,600 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:37,600 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-11-30 02:01:37,600 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:37,601 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 1] term [2020-11-30 02:01:37,602 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:37,602 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 1] term [2020-11-30 02:01:37,603 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:37,604 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 1] term [2020-11-30 02:01:37,604 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:37,613 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 2, 2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 1] term [2020-11-30 02:01:37,613 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:37,619 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:38,442 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 86 [2020-11-30 02:01:38,442 INFO L625 ElimStorePlain]: treesize reduction 1710, result has 8.7 percent of original size [2020-11-30 02:01:38,446 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,449 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,450 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,452 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,455 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,457 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,460 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,461 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,463 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-30 02:01:38,464 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:140, output treesize:163 [2020-11-30 02:01:38,467 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,484 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,485 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,487 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,490 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,495 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,497 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,498 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,695 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-30 02:01:38,704 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,707 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,709 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,711 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,714 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,715 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,718 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,720 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,954 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,956 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,958 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,965 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,968 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,970 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,972 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,974 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,977 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,979 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,981 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,985 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,986 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,989 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,990 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,992 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,995 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,997 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:38,999 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:39,001 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-11-30 02:01:39,219 INFO L244 Elim1Store]: Index analysis took 163 ms [2020-11-30 02:01:39,411 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 02:01:39,411 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:39,412 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 02:01:39,413 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:39,538 INFO L244 Elim1Store]: Index analysis took 101 ms [2020-11-30 02:01:39,673 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 02:01:39,673 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:39,673 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 02:01:39,674 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:39,874 INFO L244 Elim1Store]: Index analysis took 137 ms [2020-11-30 02:01:40,028 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 02:01:40,028 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:40,029 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 02:01:40,030 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:40,300 INFO L244 Elim1Store]: Index analysis took 220 ms [2020-11-30 02:01:40,551 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-30 02:01:40,552 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:40,552 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 43 treesize of output 179 [2020-11-30 02:01:40,554 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:40,722 INFO L244 Elim1Store]: Index analysis took 138 ms [2020-11-30 02:01:40,964 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 02:01:40,965 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:40,965 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 02:01:40,967 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:41,170 INFO L244 Elim1Store]: Index analysis took 170 ms [2020-11-30 02:01:41,292 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 02:01:41,292 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:41,293 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 02:01:41,294 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:41,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:41,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:41,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:41,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:41,501 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 02:01:41,502 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:41,502 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-11-30 02:01:41,504 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:41,514 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:41,522 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:41,523 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:41,542 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:44,830 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-11-30 02:01:44,831 INFO L625 ElimStorePlain]: treesize reduction 318, result has 69.4 percent of original size [2020-11-30 02:01:44,886 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 52 [2020-11-30 02:01:44,887 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:44,950 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 52 [2020-11-30 02:01:44,951 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:45,035 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 52 [2020-11-30 02:01:45,036 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:45,098 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 52 [2020-11-30 02:01:45,099 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:45,148 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 52 [2020-11-30 02:01:45,149 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:46,115 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-30 02:01:46,116 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:46,119 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Unsupported sort (_ BitVec 32) [2020-11-30 02:01:46,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760496041] [2020-11-30 02:01:46,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5142b7de-ddd9-4efc-b393-aa10fee935e1/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 02:01:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:01:46,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-30 02:01:46,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:01:46,775 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 33 [2020-11-30 02:01:46,775 INFO L350 Elim1Store]: treesize reduction 355, result has 14.5 percent of original size [2020-11-30 02:01:46,775 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 400 treesize of output 424 [2020-11-30 02:01:46,778 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:47,255 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2020-11-30 02:01:47,255 INFO L625 ElimStorePlain]: treesize reduction 325, result has 31.1 percent of original size [2020-11-30 02:01:47,257 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,258 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,260 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,261 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,263 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,264 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,266 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,267 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,268 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-30 02:01:47,269 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:120, output treesize:147 [2020-11-30 02:01:47,271 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,272 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,273 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,274 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,276 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,277 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,278 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,280 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,468 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,470 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,471 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,472 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,474 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,475 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,477 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,478 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,751 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,753 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,754 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,756 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,758 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,760 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,761 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,762 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,764 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,770 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,771 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,773 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,774 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,776 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,777 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,778 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,780 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,781 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,783 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,784 INFO L603 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-11-30 02:01:47,986 INFO L244 Elim1Store]: Index analysis took 160 ms [2020-11-30 02:01:48,191 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-30 02:01:48,191 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:48,192 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 38 treesize of output 152 [2020-11-30 02:01:48,193 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 02:01:48,194 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:48,197 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:48,198 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:48,199 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:48,201 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:48,428 INFO L244 Elim1Store]: Index analysis took 199 ms [2020-11-30 02:01:48,730 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-11-30 02:01:48,732 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:48,733 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 43 treesize of output 211 [2020-11-30 02:01:48,735 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-30 02:01:48,736 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 02:01:48,736 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:48,737 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:48,737 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:48,754 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:48,758 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:48,898 INFO L244 Elim1Store]: Index analysis took 117 ms [2020-11-30 02:01:49,059 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-30 02:01:49,060 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:49,060 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 38 treesize of output 152 [2020-11-30 02:01:49,061 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:49,199 INFO L244 Elim1Store]: Index analysis took 117 ms [2020-11-30 02:01:49,351 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-30 02:01:49,353 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:49,354 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 40 treesize of output 154 [2020-11-30 02:01:49,356 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 02:01:49,357 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:49,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:49,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:49,364 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:49,367 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 02:01:49,367 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:49,368 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:49,368 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-30 02:01:49,369 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 02:01:49,369 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:49,369 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:49,370 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:49,372 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:49,374 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:49,377 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:49,378 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:49,380 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:49,381 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:49,383 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:49,399 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:49,410 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:49,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:49,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:49,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:49,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 02:01:49,630 INFO L244 Elim1Store]: Index analysis took 168 ms [2020-11-30 02:01:49,823 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-30 02:01:49,823 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:49,824 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 40 treesize of output 154 [2020-11-30 02:01:49,825 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:49,827 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 02:01:49,828 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:49,829 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:49,829 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:49,830 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:49,833 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:49,966 INFO L244 Elim1Store]: Index analysis took 112 ms [2020-11-30 02:01:50,154 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-30 02:01:50,154 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:50,154 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 38 treesize of output 152 [2020-11-30 02:01:50,156 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 02:01:50,157 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:50,157 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:50,174 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:50,175 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:50,184 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:50,351 INFO L244 Elim1Store]: Index analysis took 123 ms [2020-11-30 02:01:50,551 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-30 02:01:50,552 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:50,552 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 40 treesize of output 154 [2020-11-30 02:01:50,553 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-30 02:01:50,554 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-30 02:01:50,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 02:01:50,561 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 02:01:50,561 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:01:50,564 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:52,810 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 136 DAG size of output: 91 [2020-11-30 02:01:52,811 INFO L625 ElimStorePlain]: treesize reduction 500, result has 56.3 percent of original size [2020-11-30 02:01:52,938 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:52,938 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 68 [2020-11-30 02:01:52,939 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:53,049 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:53,049 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 68 [2020-11-30 02:01:53,050 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:53,152 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:53,152 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 68 [2020-11-30 02:01:53,153 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:53,223 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:53,223 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 68 [2020-11-30 02:01:53,224 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:53,291 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 02:01:53,291 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 68 [2020-11-30 02:01:53,292 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-11-30 02:01:54,690 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2020-11-30 02:01:54,691 INFO L625 ElimStorePlain]: treesize reduction 140, result has 81.7 percent of original size [2020-11-30 02:01:54,692 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Unsupported sort (_ BitVec 32) [2020-11-30 02:01:54,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:01:54,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-11-30 02:01:54,693 ERROR L205 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2020-11-30 02:01:54,693 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 02:01:55,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 02:01:55,322 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-11-30 02:01:55,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:01:55 BoogieIcfgContainer [2020-11-30 02:01:55,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:01:55,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:01:55,324 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:01:55,324 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:01:55,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:01:11" (3/4) ... [2020-11-30 02:01:55,328 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 02:01:55,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:01:55,330 INFO L168 Benchmark]: Toolchain (without parser) took 53216.96 ms. Allocated memory was 48.2 MB in the beginning and 73.4 MB in the end (delta: 25.2 MB). Free memory was 24.2 MB in the beginning and 45.1 MB in the end (delta: -21.0 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:01:55,330 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 48.2 MB. Free memory was 30.4 MB in the beginning and 30.4 MB in the end (delta: 31.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:01:55,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.49 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 23.9 MB in the beginning and 44.5 MB in the end (delta: -20.6 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-11-30 02:01:55,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.38 ms. Allocated memory is still 60.8 MB. Free memory was 44.5 MB in the beginning and 42.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:01:55,332 INFO L168 Benchmark]: Boogie Preprocessor took 61.72 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 39.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:01:55,332 INFO L168 Benchmark]: RCFGBuilder took 9136.53 ms. Allocated memory is still 60.8 MB. Free memory was 39.9 MB in the beginning and 42.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:01:55,333 INFO L168 Benchmark]: TraceAbstraction took 43530.84 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 41.8 MB in the beginning and 45.7 MB in the end (delta: -4.0 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:01:55,333 INFO L168 Benchmark]: Witness Printer took 4.47 ms. Allocated memory is still 73.4 MB. Free memory was 45.7 MB in the beginning and 45.1 MB in the end (delta: 601.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:01:55,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 48.2 MB. Free memory was 30.4 MB in the beginning and 30.4 MB in the end (delta: 31.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 360.49 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 23.9 MB in the beginning and 44.5 MB in the end (delta: -20.6 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.38 ms. Allocated memory is still 60.8 MB. Free memory was 44.5 MB in the beginning and 42.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.72 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 39.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9136.53 ms. Allocated memory is still 60.8 MB. Free memory was 39.9 MB in the beginning and 42.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 43530.84 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 41.8 MB in the beginning and 45.7 MB in the end (delta: -4.0 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.47 ms. Allocated memory is still 73.4 MB. Free memory was 45.7 MB in the beginning and 45.1 MB in the end (delta: 601.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L54-L56] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L129] float x = 1.0f / 0.0f; [L59] float w, s1, s2, z; [L60] __int32_t ix, hx, id; [L63] ieee_float_shape_type gf_u; [L64] gf_u.value = (x) [L65] EXPR gf_u.word [L65] (hx) = gf_u.word [L67] ix = hx & 0x7fffffff [L68] COND TRUE ix >= 0x50800000 [L69] COND FALSE !(((ix) > 0x7f800000L)) [L71] COND TRUE hx > 0 [L72] EXPR atanhi_atan[3] [L72] EXPR atanlo_atan[3] [L72] return atanhi_atan[3] + atanlo_atan[3]; [L130] float res = atan_float(x); [L132] COND TRUE res != pi_o_2 [L3] __assert_fail("0", "float_req_bl_0621a.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 43.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 48 SDtfs, 28 SDslu, 7 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 34 ConstructedInterpolants, 6 QuantifiedInterpolants, 1271 SizeOfPredicates, 8 NumberOfNonLiveVariables, 188 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...