/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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/float_req_bl_0260.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:18:20,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:18:20,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:18:20,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:18:20,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:18:20,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:18:20,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:18:20,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:18:20,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:18:20,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:18:20,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:18:20,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:18:20,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:18:20,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:18:20,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:18:20,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:18:20,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:18:20,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:18:20,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:18:20,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:18:20,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:18:20,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:18:20,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:18:20,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:18:20,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:18:20,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:18:20,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:18:20,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:18:20,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:18:20,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:18:20,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:18:20,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:18:20,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:18:20,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:18:20,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:18:20,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:18:20,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:18:20,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:18:20,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:18:20,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:18:20,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:18:20,999 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 [2020-10-14 23:18:21,022 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:18:21,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:18:21,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:18:21,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:18:21,024 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:18:21,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:18:21,024 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:18:21,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:18:21,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:18:21,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:18:21,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:18:21,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:18:21,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:18:21,026 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:18:21,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:18:21,026 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:18:21,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:18:21,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:18:21,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:18:21,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:18:21,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:18:21,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:18:21,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:18:21,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:18:21,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:18:21,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:18:21,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:18:21,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:18:21,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:18:21,029 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 23:18:21,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:18:21,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:18:21,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:18:21,345 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:18:21,346 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:18:21,347 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0260.c [2020-10-14 23:18:21,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9cb2895af/811d9ec1eb9b43dd937bad6b3f4d2229/FLAG8d52d181e [2020-10-14 23:18:21,909 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:18:21,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_0260.c [2020-10-14 23:18:21,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9cb2895af/811d9ec1eb9b43dd937bad6b3f4d2229/FLAG8d52d181e [2020-10-14 23:18:22,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9cb2895af/811d9ec1eb9b43dd937bad6b3f4d2229 [2020-10-14 23:18:22,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:18:22,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:18:22,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:18:22,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:18:22,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:18:22,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:18:22" (1/1) ... [2020-10-14 23:18:22,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6d7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:22, skipping insertion in model container [2020-10-14 23:18:22,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:18:22" (1/1) ... [2020-10-14 23:18:22,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:18:22,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:18:22,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:18:22,651 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:18:22,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:18:22,807 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:18:22,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:22 WrapperNode [2020-10-14 23:18:22,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:18:22,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:18:22,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:18:22,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:18:22,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:22" (1/1) ... [2020-10-14 23:18:22,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:22" (1/1) ... [2020-10-14 23:18:22,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:22" (1/1) ... [2020-10-14 23:18:22,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:22" (1/1) ... [2020-10-14 23:18:22,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:22" (1/1) ... [2020-10-14 23:18:22,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:22" (1/1) ... [2020-10-14 23:18:22,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:22" (1/1) ... [2020-10-14 23:18:22,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:18:22,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:18:22,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:18:22,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:18:22,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:22" (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 [2020-10-14 23:18:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:18:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:18:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-10-14 23:18:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2020-10-14 23:18:22,928 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2020-10-14 23:18:22,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2020-10-14 23:18:22,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:18:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:18:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-10-14 23:18:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-10-14 23:18:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2020-10-14 23:18:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 23:18:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-14 23:18:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:18:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:18:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:18:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-14 23:18:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2020-10-14 23:18:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2020-10-14 23:18:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:18:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:18:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:18:23,445 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:18:23,446 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-14 23:18:23,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:18:23 BoogieIcfgContainer [2020-10-14 23:18:23,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:18:23,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:18:23,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:18:23,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:18:23,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:18:22" (1/3) ... [2020-10-14 23:18:23,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ba6fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:18:23, skipping insertion in model container [2020-10-14 23:18:23,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:22" (2/3) ... [2020-10-14 23:18:23,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ba6fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:18:23, skipping insertion in model container [2020-10-14 23:18:23,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:18:23" (3/3) ... [2020-10-14 23:18:23,460 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260.c [2020-10-14 23:18:23,471 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:18:23,479 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 23:18:23,493 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 23:18:23,518 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:18:23,518 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:18:23,518 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:18:23,518 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:18:23,519 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:18:23,519 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:18:23,519 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:18:23,519 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:18:23,537 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-10-14 23:18:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-14 23:18:23,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:18:23,543 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] [2020-10-14 23:18:23,544 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:18:23,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:18:23,549 INFO L82 PathProgramCache]: Analyzing trace with hash 257035693, now seen corresponding path program 1 times [2020-10-14 23:18:23,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:18:23,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [128338399] [2020-10-14 23:18:23,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:18:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:18:23,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:18:23,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:18:23,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 23:18:23,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:18:23,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-14 23:18:23,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:18:23,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:18:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:18:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 23:18:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:18:23,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 23:18:23,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:18:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:18:23,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:18:24,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:18:24,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:18:24,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:18:24,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 23:18:24,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:18:24,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:18:24,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:18:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:18:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:18:24,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:18:24,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:18:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:18:24,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:18:24,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:18:24,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 23:18:24,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:18:24,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:18:24,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:18:24,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:18:24,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:18:24,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 23:18:24,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:18:24,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:18:24,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 23:18:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:18:24,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:18:24,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:18:24,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:18:24,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:18:24,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 23:18:24,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:18:24,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:18:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:18:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:18:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:18:24,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:18:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:18:24,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [128338399] [2020-10-14 23:18:24,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:18:24,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 23:18:24,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778696942] [2020-10-14 23:18:24,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 23:18:24,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:18:24,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 23:18:24,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 23:18:24,118 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 4 states. [2020-10-14 23:18:24,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:18:24,604 INFO L93 Difference]: Finished difference Result 144 states and 214 transitions. [2020-10-14 23:18:24,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 23:18:24,606 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-10-14 23:18:24,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:18:24,617 INFO L225 Difference]: With dead ends: 144 [2020-10-14 23:18:24,618 INFO L226 Difference]: Without dead ends: 72 [2020-10-14 23:18:24,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 23:18:24,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-14 23:18:24,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-14 23:18:24,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-14 23:18:24,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2020-10-14 23:18:24,676 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 21 [2020-10-14 23:18:24,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:18:24,677 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2020-10-14 23:18:24,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 23:18:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2020-10-14 23:18:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-14 23:18:24,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:18:24,680 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] [2020-10-14 23:18:24,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:18:24,681 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:18:24,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:18:24,682 INFO L82 PathProgramCache]: Analyzing trace with hash -225488588, now seen corresponding path program 1 times [2020-10-14 23:18:24,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:18:24,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641639688] [2020-10-14 23:18:24,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:18:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 23:18:24,763 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 23:18:24,764 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 23:18:24,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:18:24,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:18:24 BoogieIcfgContainer [2020-10-14 23:18:24,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:18:24,790 INFO L168 Benchmark]: Toolchain (without parser) took 2454.50 ms. Allocated memory was 147.3 MB in the beginning and 234.9 MB in the end (delta: 87.6 MB). Free memory was 103.4 MB in the beginning and 147.1 MB in the end (delta: -43.7 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:18:24,791 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 23:18:24,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.26 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 103.0 MB in the beginning and 178.7 MB in the end (delta: -75.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-10-14 23:18:24,793 INFO L168 Benchmark]: Boogie Preprocessor took 57.52 ms. Allocated memory is still 203.4 MB. Free memory was 178.7 MB in the beginning and 175.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:18:24,793 INFO L168 Benchmark]: RCFGBuilder took 584.96 ms. Allocated memory is still 203.4 MB. Free memory was 175.8 MB in the beginning and 143.8 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2020-10-14 23:18:24,795 INFO L168 Benchmark]: TraceAbstraction took 1334.22 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 142.9 MB in the beginning and 147.1 MB in the end (delta: -4.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-10-14 23:18:24,799 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 473.26 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 103.0 MB in the beginning and 178.7 MB in the end (delta: -75.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.52 ms. Allocated memory is still 203.4 MB. Free memory was 178.7 MB in the beginning and 175.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 584.96 ms. Allocated memory is still 203.4 MB. Free memory was 175.8 MB in the beginning and 143.8 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1334.22 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 142.9 MB in the beginning and 147.1 MB in the end (delta: -4.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L183] float x = 0.0f / 0.0f; [L184] CALL, EXPR __ieee754_asinf(x) [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; [L184] RET, EXPR __ieee754_asinf(x) [L184] float res = __ieee754_asinf(x); [L187] CALL, EXPR isnan_float(res) [L13] return x != x; [L187] RET, EXPR isnan_float(res) [L187] COND TRUE !isnan_float(res) [L188] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 81 SDtfs, 77 SDslu, 5 SDs, 0 SdLazy, 93 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred 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, 0.3s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 1840 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...