./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0620b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0620b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c57c239736851c67037a19023adceb82e24847c ........................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0620b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c57c239736851c67037a19023adceb82e24847c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:17:42,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:17:42,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:17:42,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:17:42,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:17:42,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:17:42,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:17:42,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:17:42,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:17:42,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:17:42,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:17:42,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:17:42,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:17:42,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:17:42,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:17:42,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:17:42,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:17:42,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:17:42,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:17:42,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:17:42,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:17:42,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:17:42,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:17:42,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:17:42,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:17:42,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:17:42,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:17:42,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:17:42,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:17:42,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:17:42,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:17:42,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:17:42,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:17:42,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:17:42,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:17:42,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:17:42,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:17:42,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:17:42,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:17:42,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:17:42,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:17:42,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:17:42,247 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:17:42,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:17:42,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:17:42,248 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:17:42,249 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:17:42,249 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:17:42,249 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:17:42,249 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:17:42,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:17:42,250 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:17:42,250 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:17:42,250 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:17:42,250 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:17:42,250 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:17:42,251 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:17:42,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:17:42,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:17:42,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:17:42,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:17:42,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:17:42,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:17:42,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:17:42,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:17:42,253 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:17:42,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:17:42,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:17:42,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:17:42,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:17:42,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:17:42,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:17:42,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:17:42,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:17:42,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:17:42,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:17:42,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:17:42,255 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:17:42,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:17:42,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:17:42,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:17:42,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:17:42,255 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c57c239736851c67037a19023adceb82e24847c [2019-12-07 11:17:42,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:17:42,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:17:42,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:17:42,375 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:17:42,376 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:17:42,376 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0620b.c [2019-12-07 11:17:42,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/data/9c51b3afd/b11f3dfd60cc4e738d646f6e5355ce62/FLAG9a3cf5a44 [2019-12-07 11:17:42,784 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:17:42,785 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/sv-benchmarks/c/float-newlib/double_req_bl_0620b.c [2019-12-07 11:17:42,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/data/9c51b3afd/b11f3dfd60cc4e738d646f6e5355ce62/FLAG9a3cf5a44 [2019-12-07 11:17:43,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/data/9c51b3afd/b11f3dfd60cc4e738d646f6e5355ce62 [2019-12-07 11:17:43,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:17:43,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:17:43,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:17:43,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:17:43,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:17:43,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:17:43" (1/1) ... [2019-12-07 11:17:43,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c1d0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43, skipping insertion in model container [2019-12-07 11:17:43,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:17:43" (1/1) ... [2019-12-07 11:17:43,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:17:43,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:17:43,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:17:43,384 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:17:43,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:17:43,426 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:17:43,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43 WrapperNode [2019-12-07 11:17:43,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:17:43,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:17:43,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:17:43,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:17:43,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43" (1/1) ... [2019-12-07 11:17:43,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43" (1/1) ... [2019-12-07 11:17:43,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:17:43,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:17:43,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:17:43,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:17:43,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43" (1/1) ... [2019-12-07 11:17:43,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43" (1/1) ... [2019-12-07 11:17:43,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43" (1/1) ... [2019-12-07 11:17:43,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43" (1/1) ... [2019-12-07 11:17:43,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43" (1/1) ... [2019-12-07 11:17:43,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43" (1/1) ... [2019-12-07 11:17:43,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43" (1/1) ... [2019-12-07 11:17:43,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:17:43,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:17:43,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:17:43,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:17:43,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:17:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:17:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 11:17:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 11:17:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 11:17:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:17:43,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:17:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 11:17:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 11:17:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:17:43,814 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:17:43,815 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 11:17:43,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:17:43 BoogieIcfgContainer [2019-12-07 11:17:43,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:17:43,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:17:43,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:17:43,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:17:43,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:17:43" (1/3) ... [2019-12-07 11:17:43,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eeeb757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:17:43, skipping insertion in model container [2019-12-07 11:17:43,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:43" (2/3) ... [2019-12-07 11:17:43,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eeeb757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:17:43, skipping insertion in model container [2019-12-07 11:17:43,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:17:43" (3/3) ... [2019-12-07 11:17:43,820 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620b.c [2019-12-07 11:17:43,827 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:17:43,832 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:17:43,839 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:17:43,855 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:17:43,855 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:17:43,855 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:17:43,855 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:17:43,855 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:17:43,855 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:17:43,856 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:17:43,856 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:17:43,865 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-12-07 11:17:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 11:17:43,869 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:17:43,870 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:17:43,870 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:17:43,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:17:43,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1218409625, now seen corresponding path program 1 times [2019-12-07 11:17:43,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:17:43,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72801106] [2019-12-07 11:17:43,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:17:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:17:43,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:17:43,972 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72801106] [2019-12-07 11:17:43,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:17:43,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:17:43,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957597865] [2019-12-07 11:17:43,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:17:43,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:17:43,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:17:43,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:17:43,986 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2019-12-07 11:17:43,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:17:43,999 INFO L93 Difference]: Finished difference Result 55 states and 85 transitions. [2019-12-07 11:17:43,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:17:44,000 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 11:17:44,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:17:44,005 INFO L225 Difference]: With dead ends: 55 [2019-12-07 11:17:44,005 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 11:17:44,008 INFO L630 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 [2019-12-07 11:17:44,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 11:17:44,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-12-07 11:17:44,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 11:17:44,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-12-07 11:17:44,029 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 10 [2019-12-07 11:17:44,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:17:44,029 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-12-07 11:17:44,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:17:44,030 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-12-07 11:17:44,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 11:17:44,030 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:17:44,030 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:17:44,030 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:17:44,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:17:44,031 INFO L82 PathProgramCache]: Analyzing trace with hash 942524763, now seen corresponding path program 1 times [2019-12-07 11:17:44,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:17:44,031 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273949070] [2019-12-07 11:17:44,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:17:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:17:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:17:44,123 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 11:17:44,123 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:17:44,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:17:44 BoogieIcfgContainer [2019-12-07 11:17:44,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:17:44,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:17:44,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:17:44,149 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:17:44,149 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:17:43" (3/4) ... [2019-12-07 11:17:44,151 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:17:44,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:17:44,153 INFO L168 Benchmark]: Toolchain (without parser) took 958.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.8 MB in the beginning and 1.0 GB in the end (delta: -69.6 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:17:44,153 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:17:44,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:17:44,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.05 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:17:44,154 INFO L168 Benchmark]: Boogie Preprocessor took 25.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:17:44,155 INFO L168 Benchmark]: RCFGBuilder took 329.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:17:44,155 INFO L168 Benchmark]: TraceAbstraction took 331.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:17:44,155 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:17:44,157 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 231.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.05 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 329.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 331.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.05 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 159]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 73, overapproximation of someBinaryArithmeticDOUBLEoperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 158. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L154] double x = 0.0; [L65] double w, s1, s2, z; [L66] __int32_t ix, hx, id; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L69] ieee_double_shape_type gh_u; [L70] gh_u.value = (x) [L71] EXPR gh_u.parts.msw [L71] (hx) = gh_u.parts.msw [L73] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L74] COND TRUE ix >= 0x44100000 [L75] __uint32_t low; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L77] ieee_double_shape_type gl_u; [L78] gl_u.value = (x) [L79] EXPR gl_u.parts.lsw [L79] (low) = gl_u.parts.lsw [L81] COND TRUE ix > 0x7ff00000 || (ix == 0x7ff00000 && (low != 0)) [L82] return x + x; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L155] double res = atan_double(x); [L158] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L158] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L159] __VERIFIER_error() VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 32 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=28occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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, 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 0.1.25-f470102 [2019-12-07 11:17:45,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:17:45,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:17:45,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:17:45,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:17:45,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:17:45,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:17:45,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:17:45,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:17:45,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:17:45,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:17:45,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:17:45,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:17:45,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:17:45,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:17:45,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:17:45,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:17:45,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:17:45,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:17:45,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:17:45,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:17:45,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:17:45,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:17:45,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:17:45,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:17:45,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:17:45,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:17:45,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:17:45,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:17:45,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:17:45,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:17:45,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:17:45,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:17:45,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:17:45,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:17:45,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:17:45,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:17:45,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:17:45,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:17:45,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:17:45,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:17:45,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 11:17:45,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:17:45,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:17:45,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:17:45,541 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:17:45,541 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:17:45,541 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:17:45,541 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:17:45,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:17:45,542 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:17:45,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:17:45,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:17:45,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:17:45,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:17:45,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:17:45,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:17:45,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:17:45,543 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:17:45,543 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:17:45,543 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:17:45,543 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:17:45,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:17:45,544 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:17:45,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:17:45,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:17:45,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:17:45,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:17:45,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:17:45,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:17:45,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:17:45,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:17:45,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:17:45,545 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 11:17:45,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:17:45,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:17:45,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:17:45,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:17:45,545 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c57c239736851c67037a19023adceb82e24847c [2019-12-07 11:17:45,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:17:45,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:17:45,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:17:45,745 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:17:45,746 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:17:45,746 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0620b.c [2019-12-07 11:17:45,787 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/data/46c5105d3/75182579d129430f818566dd189c6a13/FLAG9b0b2d74f [2019-12-07 11:17:46,279 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:17:46,280 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/sv-benchmarks/c/float-newlib/double_req_bl_0620b.c [2019-12-07 11:17:46,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/data/46c5105d3/75182579d129430f818566dd189c6a13/FLAG9b0b2d74f [2019-12-07 11:17:46,296 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/data/46c5105d3/75182579d129430f818566dd189c6a13 [2019-12-07 11:17:46,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:17:46,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:17:46,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:17:46,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:17:46,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:17:46,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:17:46" (1/1) ... [2019-12-07 11:17:46,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b30e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46, skipping insertion in model container [2019-12-07 11:17:46,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:17:46" (1/1) ... [2019-12-07 11:17:46,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:17:46,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:17:46,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:17:46,486 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:17:46,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:17:46,567 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:17:46,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46 WrapperNode [2019-12-07 11:17:46,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:17:46,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:17:46,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:17:46,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:17:46,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46" (1/1) ... [2019-12-07 11:17:46,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46" (1/1) ... [2019-12-07 11:17:46,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:17:46,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:17:46,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:17:46,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:17:46,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46" (1/1) ... [2019-12-07 11:17:46,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46" (1/1) ... [2019-12-07 11:17:46,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46" (1/1) ... [2019-12-07 11:17:46,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46" (1/1) ... [2019-12-07 11:17:46,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46" (1/1) ... [2019-12-07 11:17:46,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46" (1/1) ... [2019-12-07 11:17:46,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46" (1/1) ... [2019-12-07 11:17:46,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:17:46,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:17:46,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:17:46,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:17:46,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:17:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 11:17:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 11:17:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:17:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 11:17:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 11:17:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:17:46,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:17:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 11:17:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:18:02,825 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:18:02,825 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 11:18:02,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:18:02 BoogieIcfgContainer [2019-12-07 11:18:02,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:18:02,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:18:02,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:18:02,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:18:02,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:17:46" (1/3) ... [2019-12-07 11:18:02,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3464b3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:18:02, skipping insertion in model container [2019-12-07 11:18:02,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:17:46" (2/3) ... [2019-12-07 11:18:02,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3464b3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:18:02, skipping insertion in model container [2019-12-07 11:18:02,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:18:02" (3/3) ... [2019-12-07 11:18:02,832 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620b.c [2019-12-07 11:18:02,838 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:18:02,843 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:18:02,851 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:18:02,867 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:18:02,867 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:18:02,867 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:18:02,867 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:18:02,867 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:18:02,868 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:18:02,868 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:18:02,868 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:18:02,878 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2019-12-07 11:18:02,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 11:18:02,882 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:18:02,883 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:18:02,883 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:18:02,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:18:02,887 INFO L82 PathProgramCache]: Analyzing trace with hash 2040843078, now seen corresponding path program 1 times [2019-12-07 11:18:02,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:18:02,896 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947460360] [2019-12-07 11:18:02,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/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 [2019-12-07 11:18:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:18:03,169 INFO L264 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 11:18:03,173 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:18:03,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:18:03,182 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:18:03,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:18:03,185 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947460360] [2019-12-07 11:18:03,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:18:03,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 11:18:03,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317934217] [2019-12-07 11:18:03,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:18:03,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:18:03,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:18:03,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:18:03,199 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2019-12-07 11:18:03,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:18:03,213 INFO L93 Difference]: Finished difference Result 76 states and 120 transitions. [2019-12-07 11:18:03,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:18:03,214 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 11:18:03,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:18:03,221 INFO L225 Difference]: With dead ends: 76 [2019-12-07 11:18:03,221 INFO L226 Difference]: Without dead ends: 36 [2019-12-07 11:18:03,223 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:18:03,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-07 11:18:03,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-07 11:18:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-07 11:18:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2019-12-07 11:18:03,246 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 11 [2019-12-07 11:18:03,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:18:03,246 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2019-12-07 11:18:03,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:18:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2019-12-07 11:18:03,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 11:18:03,247 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:18:03,248 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:18:03,448 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:18:03,449 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:18:03,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:18:03,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1316832376, now seen corresponding path program 1 times [2019-12-07 11:18:03,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:18:03,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609449707] [2019-12-07 11:18:03,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/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 [2019-12-07 11:18:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:18:03,780 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 11:18:03,783 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:18:03,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:18:03,850 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:18:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:18:03,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609449707] [2019-12-07 11:18:03,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:18:03,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 11:18:03,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002930608] [2019-12-07 11:18:03,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 11:18:03,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:18:03,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 11:18:03,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:18:03,904 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. Second operand 8 states. [2019-12-07 11:18:11,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:18:11,799 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2019-12-07 11:18:11,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:18:11,800 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-12-07 11:18:11,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:18:11,801 INFO L225 Difference]: With dead ends: 59 [2019-12-07 11:18:11,801 INFO L226 Difference]: Without dead ends: 32 [2019-12-07 11:18:11,802 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 11:18:11,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-12-07 11:18:11,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2019-12-07 11:18:11,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-07 11:18:11,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2019-12-07 11:18:11,806 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 13 [2019-12-07 11:18:11,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:18:11,806 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2019-12-07 11:18:11,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 11:18:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2019-12-07 11:18:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 11:18:11,807 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:18:11,807 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:18:12,008 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:18:12,009 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:18:12,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:18:12,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1440122883, now seen corresponding path program 1 times [2019-12-07 11:18:12,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:18:12,012 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [48047311] [2019-12-07 11:18:12,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/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 [2019-12-07 11:18:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:18:12,345 INFO L264 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:18:12,347 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:18:12,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:18:12,372 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:18:12,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:18:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:18:12,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [48047311] [2019-12-07 11:18:12,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:18:12,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-12-07 11:18:12,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151260122] [2019-12-07 11:18:12,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 11:18:12,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:18:12,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 11:18:12,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:18:12,403 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 7 states. [2019-12-07 11:18:19,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:18:19,805 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-12-07 11:18:19,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:18:19,806 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-12-07 11:18:19,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:18:19,807 INFO L225 Difference]: With dead ends: 35 [2019-12-07 11:18:19,807 INFO L226 Difference]: Without dead ends: 32 [2019-12-07 11:18:19,808 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:18:19,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-12-07 11:18:19,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2019-12-07 11:18:19,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 11:18:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2019-12-07 11:18:19,813 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 13 [2019-12-07 11:18:19,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:18:19,813 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-12-07 11:18:19,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 11:18:19,813 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2019-12-07 11:18:19,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 11:18:19,814 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:18:19,814 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:18:20,015 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 11:18:20,016 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:18:20,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:18:20,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1041172097, now seen corresponding path program 1 times [2019-12-07 11:18:20,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:18:20,019 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281177246] [2019-12-07 11:18:20,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 11:18:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:18:23,930 INFO L264 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:18:23,932 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:18:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:18:23,999 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:18:24,687 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-12-07 11:18:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:18:24,886 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281177246] [2019-12-07 11:18:24,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:18:24,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 11:18:24,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994818730] [2019-12-07 11:18:24,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:18:24,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:18:24,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:18:24,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:18:24,887 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 6 states. [2019-12-07 11:18:25,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:18:25,114 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2019-12-07 11:18:25,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:18:25,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-12-07 11:18:25,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:18:25,123 INFO L225 Difference]: With dead ends: 32 [2019-12-07 11:18:25,123 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 11:18:25,124 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:18:25,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 11:18:25,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 11:18:25,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 11:18:25,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2019-12-07 11:18:25,126 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2019-12-07 11:18:25,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:18:25,126 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2019-12-07 11:18:25,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:18:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2019-12-07 11:18:25,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 11:18:25,127 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:18:25,127 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:18:25,327 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 11:18:25,328 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:18:25,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:18:25,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1453962584, now seen corresponding path program 1 times [2019-12-07 11:18:25,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:18:25,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695809938] [2019-12-07 11:18:25,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 11:18:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:18:25,669 INFO L264 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 11:18:25,671 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:18:25,717 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:18:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:18:25,742 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:18:25,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:18:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:18:25,896 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695809938] [2019-12-07 11:18:25,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:18:25,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-12-07 11:18:25,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813735310] [2019-12-07 11:18:25,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 11:18:25,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:18:25,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 11:18:25,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-12-07 11:18:25,898 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 14 states. [2019-12-07 11:18:26,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:18:26,214 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-12-07 11:18:26,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 11:18:26,215 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2019-12-07 11:18:26,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:18:26,215 INFO L225 Difference]: With dead ends: 18 [2019-12-07 11:18:26,215 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:18:26,215 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2019-12-07 11:18:26,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:18:26,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:18:26,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:18:26,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:18:26,216 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-12-07 11:18:26,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:18:26,216 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:18:26,216 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 11:18:26,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:18:26,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:18:26,417 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 11:18:26,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:18:26,624 INFO L246 CegarLoopResult]: For program point L68-3(lines 68 72) no Hoare annotation was computed. [2019-12-07 11:18:26,624 INFO L246 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2019-12-07 11:18:26,624 INFO L246 CegarLoopResult]: For program point L126(lines 126 131) no Hoare annotation was computed. [2019-12-07 11:18:26,624 INFO L246 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2019-12-07 11:18:26,625 INFO L242 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2019-12-07 11:18:26,625 INFO L242 CegarLoopResult]: At program point L143(lines 134 144) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= (_ +zero 11 53) |ULTIMATE.start_atan_double_#res|) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) |ULTIMATE.start_main_#t~short31| (= ULTIMATE.start_main_~res~0 (_ +zero 11 53)) (= ULTIMATE.start_atan_double_~x (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (_ +zero 11 53))))) [2019-12-07 11:18:26,625 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:18:26,625 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:18:26,625 INFO L246 CegarLoopResult]: For program point L137-1(lines 137 141) no Hoare annotation was computed. [2019-12-07 11:18:26,625 INFO L242 CegarLoopResult]: At program point L137-2(lines 137 141) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= (_ +zero 11 53) |ULTIMATE.start_atan_double_#res|) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) |ULTIMATE.start_main_#t~short31| (= ULTIMATE.start_main_~res~0 (_ +zero 11 53)) (= ULTIMATE.start_atan_double_~x (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 11:18:26,625 INFO L246 CegarLoopResult]: For program point L137-3(lines 137 141) no Hoare annotation was computed. [2019-12-07 11:18:26,625 INFO L246 CegarLoopResult]: For program point L96(lines 96 112) no Hoare annotation was computed. [2019-12-07 11:18:26,625 INFO L242 CegarLoopResult]: At program point L30(lines 17 31) the Hoare annotation is: false [2019-12-07 11:18:26,625 INFO L246 CegarLoopResult]: For program point L88(lines 88 113) no Hoare annotation was computed. [2019-12-07 11:18:26,625 INFO L246 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2019-12-07 11:18:26,625 INFO L246 CegarLoopResult]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2019-12-07 11:18:26,626 INFO L249 CegarLoopResult]: At program point L163(lines 146 164) the Hoare annotation is: true [2019-12-07 11:18:26,626 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-12-07 11:18:26,626 INFO L246 CegarLoopResult]: For program point L97(lines 97 103) no Hoare annotation was computed. [2019-12-07 11:18:26,626 INFO L246 CegarLoopResult]: For program point L130-2(line 130) no Hoare annotation was computed. [2019-12-07 11:18:26,626 INFO L242 CegarLoopResult]: At program point L130-3(lines 64 132) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= (_ +zero 11 53) |ULTIMATE.start_atan_double_#res|) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= ULTIMATE.start_atan_double_~x (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 11:18:26,626 INFO L246 CegarLoopResult]: For program point L89(lines 89 92) no Hoare annotation was computed. [2019-12-07 11:18:26,626 INFO L246 CegarLoopResult]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2019-12-07 11:18:26,626 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:18:26,626 INFO L246 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-12-07 11:18:26,626 INFO L246 CegarLoopResult]: For program point L24(lines 24 29) no Hoare annotation was computed. [2019-12-07 11:18:26,626 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 159) no Hoare annotation was computed. [2019-12-07 11:18:26,626 INFO L246 CegarLoopResult]: For program point L24-1(lines 17 31) no Hoare annotation was computed. [2019-12-07 11:18:26,626 INFO L246 CegarLoopResult]: For program point L24-2(lines 24 29) no Hoare annotation was computed. [2019-12-07 11:18:26,626 INFO L246 CegarLoopResult]: For program point L74(lines 74 87) no Hoare annotation was computed. [2019-12-07 11:18:26,627 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:18:26,627 INFO L246 CegarLoopResult]: For program point L83(lines 83 86) no Hoare annotation was computed. [2019-12-07 11:18:26,627 INFO L246 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2019-12-07 11:18:26,627 INFO L246 CegarLoopResult]: For program point L158-2(lines 158 161) no Hoare annotation was computed. [2019-12-07 11:18:26,627 INFO L246 CegarLoopResult]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-12-07 11:18:26,627 INFO L242 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-12-07 11:18:26,627 INFO L246 CegarLoopResult]: For program point L76-3(lines 74 87) no Hoare annotation was computed. [2019-12-07 11:18:26,627 INFO L246 CegarLoopResult]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2019-12-07 11:18:26,627 INFO L242 CegarLoopResult]: At program point L68-2(lines 68 72) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= ULTIMATE.start_atan_double_~x (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 11:18:26,633 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,639 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,639 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,639 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,639 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,639 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,643 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:18:26 BoogieIcfgContainer [2019-12-07 11:18:26,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:18:26,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:18:26,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:18:26,646 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:18:26,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:18:02" (3/4) ... [2019-12-07 11:18:26,648 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:18:26,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-12-07 11:18:26,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-07 11:18:26,658 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:18:26,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan && ~Pluszero~LONGDOUBLE() == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 11:18:26,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan && ~Pluszero~LONGDOUBLE() == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 11:18:26,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 0bv32 && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan) && ~Pluszero~LONGDOUBLE() == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: msw == v_skolemized_q#valueAsBitvector_13[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~Pluszero~LONGDOUBLE()) [2019-12-07 11:18:26,704 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8ff32be3-6840-4049-8d9f-f4eda7919715/bin/utaipan/witness.graphml [2019-12-07 11:18:26,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:18:26,706 INFO L168 Benchmark]: Toolchain (without parser) took 40407.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.4 MB in the beginning and 847.9 MB in the end (delta: 104.5 MB). Peak memory consumption was 242.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:18:26,706 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:18:26,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:18:26,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:18:26,706 INFO L168 Benchmark]: Boogie Preprocessor took 29.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:18:26,707 INFO L168 Benchmark]: RCFGBuilder took 16191.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:18:26,707 INFO L168 Benchmark]: TraceAbstraction took 23818.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 854.5 MB in the end (delta: 216.3 MB). Peak memory consumption was 216.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:18:26,707 INFO L168 Benchmark]: Witness Printer took 58.90 ms. Allocated memory is still 1.2 GB. Free memory was 854.5 MB in the beginning and 847.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:18:26,709 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 16191.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23818.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 854.5 MB in the end (delta: 216.3 MB). Peak memory consumption was 216.3 MB. Max. memory is 11.5 GB. * Witness Printer took 58.90 ms. Allocated memory is still 1.2 GB. Free memory was 854.5 MB in the beginning and 847.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 159]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 64]: Loop Invariant [2019-12-07 11:18:26,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan && ~Pluszero~LONGDOUBLE() == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 134]: Loop Invariant [2019-12-07 11:18:26,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,715 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2019-12-07 11:18:26,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((\result == 0bv32 && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan) && ~Pluszero~LONGDOUBLE() == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: msw == v_skolemized_q#valueAsBitvector_13[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant [2019-12-07 11:18:26,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,717 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan && ~Pluszero~LONGDOUBLE() == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 68]: Loop Invariant [2019-12-07 11:18:26,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 11:18:26,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 11:18:26,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_atan && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan) && x == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 1 error locations. Result: SAFE, OverallTime: 23.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 113 SDtfs, 176 SDslu, 186 SDs, 0 SdLazy, 79 SolverSat, 13 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 113 HoareAnnotationTreeSize, 8 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 130 ConstructedInterpolants, 16 QuantifiedInterpolants, 9201 SizeOfPredicates, 28 NumberOfNonLiveVariables, 555 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...