/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0684a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 15:31:02,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 15:31:02,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 15:31:02,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 15:31:02,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 15:31:02,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 15:31:02,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 15:31:02,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 15:31:02,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 15:31:02,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 15:31:02,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 15:31:02,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 15:31:02,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 15:31:02,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 15:31:02,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 15:31:02,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 15:31:02,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 15:31:02,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 15:31:02,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 15:31:02,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 15:31:02,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 15:31:02,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 15:31:02,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 15:31:02,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 15:31:03,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 15:31:03,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 15:31:03,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 15:31:03,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 15:31:03,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 15:31:03,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 15:31:03,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 15:31:03,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 15:31:03,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 15:31:03,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 15:31:03,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 15:31:03,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 15:31:03,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 15:31:03,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 15:31:03,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 15:31:03,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 15:31:03,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 15:31:03,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 15:31:03,063 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 15:31:03,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 15:31:03,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 15:31:03,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 15:31:03,065 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 15:31:03,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 15:31:03,066 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 15:31:03,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 15:31:03,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 15:31:03,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 15:31:03,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 15:31:03,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 15:31:03,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 15:31:03,068 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 15:31:03,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 15:31:03,069 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 15:31:03,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 15:31:03,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 15:31:03,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 15:31:03,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 15:31:03,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 15:31:03,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 15:31:03,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 15:31:03,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 15:31:03,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 15:31:03,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 15:31:03,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 15:31:03,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 15:31:03,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 15:31:03,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 15:31:03,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 15:31:03,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 15:31:03,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 15:31:03,402 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 15:31:03,402 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 15:31:03,403 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0684a.c [2020-10-12 15:31:03,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/79be99968/b339b56c555a4eae8bbef7cc3506e82d/FLAG89083a1de [2020-10-12 15:31:03,944 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 15:31:03,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_0684a.c [2020-10-12 15:31:03,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/79be99968/b339b56c555a4eae8bbef7cc3506e82d/FLAG89083a1de [2020-10-12 15:31:04,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/79be99968/b339b56c555a4eae8bbef7cc3506e82d [2020-10-12 15:31:04,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 15:31:04,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 15:31:04,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 15:31:04,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 15:31:04,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 15:31:04,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 03:31:04" (1/1) ... [2020-10-12 15:31:04,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec48d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:31:04, skipping insertion in model container [2020-10-12 15:31:04,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 03:31:04" (1/1) ... [2020-10-12 15:31:04,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 15:31:04,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 15:31:04,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 15:31:04,621 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 15:31:04,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 15:31:04,713 INFO L208 MainTranslator]: Completed translation [2020-10-12 15:31:04,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:31:04 WrapperNode [2020-10-12 15:31:04,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 15:31:04,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 15:31:04,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 15:31:04,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 15:31:04,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:31:04" (1/1) ... [2020-10-12 15:31:04,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:31:04" (1/1) ... [2020-10-12 15:31:04,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:31:04" (1/1) ... [2020-10-12 15:31:04,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:31:04" (1/1) ... [2020-10-12 15:31:04,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:31:04" (1/1) ... [2020-10-12 15:31:04,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:31:04" (1/1) ... [2020-10-12 15:31:04,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:31:04" (1/1) ... [2020-10-12 15:31:04,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 15:31:04,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 15:31:04,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 15:31:04,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 15:31:04,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:31:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 15:31:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 15:31:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 15:31:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2020-10-12 15:31:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2020-10-12 15:31:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2020-10-12 15:31:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-10-12 15:31:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2020-10-12 15:31:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 15:31:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 15:31:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-12 15:31:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2020-10-12 15:31:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 15:31:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-12 15:31:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 15:31:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 15:31:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 15:31:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-12 15:31:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2020-10-12 15:31:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2020-10-12 15:31:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-10-12 15:31:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2020-10-12 15:31:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 15:31:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 15:31:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-12 15:31:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 15:31:05,554 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 15:31:05,554 INFO L295 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-12 15:31:05,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 03:31:05 BoogieIcfgContainer [2020-10-12 15:31:05,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 15:31:05,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 15:31:05,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 15:31:05,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 15:31:05,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 03:31:04" (1/3) ... [2020-10-12 15:31:05,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9ded72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 03:31:05, skipping insertion in model container [2020-10-12 15:31:05,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:31:04" (2/3) ... [2020-10-12 15:31:05,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9ded72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 03:31:05, skipping insertion in model container [2020-10-12 15:31:05,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 03:31:05" (3/3) ... [2020-10-12 15:31:05,568 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684a.c [2020-10-12 15:31:05,578 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 15:31:05,585 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 15:31:05,599 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 15:31:05,623 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 15:31:05,623 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 15:31:05,623 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 15:31:05,623 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 15:31:05,623 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 15:31:05,623 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 15:31:05,624 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 15:31:05,624 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 15:31:05,644 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-10-12 15:31:05,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-12 15:31:05,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:31:05,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 15:31:05,652 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:31:05,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:31:05,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1181622730, now seen corresponding path program 1 times [2020-10-12 15:31:05,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:31:05,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776306330] [2020-10-12 15:31:05,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:31:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:31:05,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:31:05,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:31:05,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:31:06,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:31:06,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:31:06,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 15:31:06,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 15:31:06,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 626 [2020-10-12 15:31:06,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:31:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 15:31:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 15:31:06,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 15:31:06,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 15:31:06,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 15:31:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:31:06,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:31:06,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:31:06,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 15:31:06,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:31:06,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 15:31:06,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:31:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:31:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:31:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:31:06,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:31:06,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 15:31:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:31:06,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:31:06,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:31:06,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:31:06,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 15:31:06,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 15:31:06,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 15:31:06,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:31:06,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:31:06,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:31:06,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:31:06,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:31:06,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 15:31:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:31:06,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:31:06,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:31:06,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:31:06,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:31:06,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 15:31:06,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 15:31:06,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 15:31:06,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:31:06,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:31:06,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 15:31:06,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:31:06,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:31:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 15:31:06,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776306330] [2020-10-12 15:31:06,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 15:31:06,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 15:31:06,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564349055] [2020-10-12 15:31:06,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 15:31:06,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 15:31:06,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 15:31:06,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 15:31:06,714 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 5 states. [2020-10-12 15:31:07,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 15:31:07,147 INFO L93 Difference]: Finished difference Result 233 states and 364 transitions. [2020-10-12 15:31:07,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-12 15:31:07,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-12 15:31:07,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 15:31:07,161 INFO L225 Difference]: With dead ends: 233 [2020-10-12 15:31:07,161 INFO L226 Difference]: Without dead ends: 115 [2020-10-12 15:31:07,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 15:31:07,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-12 15:31:07,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-10-12 15:31:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-12 15:31:07,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 154 transitions. [2020-10-12 15:31:07,224 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 154 transitions. Word has length 27 [2020-10-12 15:31:07,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 15:31:07,225 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 154 transitions. [2020-10-12 15:31:07,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 15:31:07,225 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2020-10-12 15:31:07,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-12 15:31:07,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:31:07,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 15:31:07,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 15:31:07,228 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:31:07,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:31:07,229 INFO L82 PathProgramCache]: Analyzing trace with hash -5924694, now seen corresponding path program 1 times [2020-10-12 15:31:07,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:31:07,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304234355] [2020-10-12 15:31:07,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:31:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 15:31:07,334 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 15:31:07,334 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 15:31:07,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 15:31:07,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 03:31:07 BoogieIcfgContainer [2020-10-12 15:31:07,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 15:31:07,362 INFO L168 Benchmark]: Toolchain (without parser) took 3122.08 ms. Allocated memory was 138.9 MB in the beginning and 248.0 MB in the end (delta: 109.1 MB). Free memory was 100.4 MB in the beginning and 195.4 MB in the end (delta: -95.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-10-12 15:31:07,362 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 15:31:07,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.46 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 100.2 MB in the beginning and 173.4 MB in the end (delta: -73.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-10-12 15:31:07,364 INFO L168 Benchmark]: Boogie Preprocessor took 83.56 ms. Allocated memory is still 200.3 MB. Free memory was 173.4 MB in the beginning and 170.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-10-12 15:31:07,365 INFO L168 Benchmark]: RCFGBuilder took 761.22 ms. Allocated memory is still 200.3 MB. Free memory was 170.1 MB in the beginning and 120.6 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2020-10-12 15:31:07,366 INFO L168 Benchmark]: TraceAbstraction took 1798.45 ms. Allocated memory was 200.3 MB in the beginning and 248.0 MB in the end (delta: 47.7 MB). Free memory was 120.0 MB in the beginning and 195.4 MB in the end (delta: -75.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 15:31:07,370 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 474.46 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 100.2 MB in the beginning and 173.4 MB in the end (delta: -73.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.56 ms. Allocated memory is still 200.3 MB. Free memory was 173.4 MB in the beginning and 170.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 761.22 ms. Allocated memory is still 200.3 MB. Free memory was 170.1 MB in the beginning and 120.6 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1798.45 ms. Allocated memory was 200.3 MB in the beginning and 248.0 MB in the end (delta: 47.7 MB). Free memory was 120.0 MB in the beginning and 195.4 MB in the end (delta: -75.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 286]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 285. 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; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L276] double x = __VERIFIER_nondet_double(); [L277] double y = 1.0 / 0.0; [L280] CALL, EXPR isfinite_double(x) [L260] __int32_t hx; [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L280] RET, EXPR isfinite_double(x) [L280] isfinite_double(x) && isinf_double(y) [L280] CALL, EXPR isinf_double(y) [L246] __int32_t hx, lx; [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L280] RET, EXPR isinf_double(y) [L280] isfinite_double(x) && isinf_double(y) [L280] COND TRUE isfinite_double(x) && isinf_double(y) [L282] CALL, EXPR __ieee754_atan2(y, x) [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; [L282] RET, EXPR __ieee754_atan2(y, x) [L282] double res = __ieee754_atan2(y, x); [L285] COND TRUE res != pi_o_2 [L286] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 154 SDtfs, 12 SDslu, 285 SDs, 0 SdLazy, 174 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 2730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...