/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_0281.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 04:47:32,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 04:47:32,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 04:47:32,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 04:47:32,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 04:47:32,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 04:47:32,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 04:47:32,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 04:47:32,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 04:47:32,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 04:47:32,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 04:47:32,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 04:47:32,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 04:47:32,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 04:47:32,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 04:47:32,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 04:47:32,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 04:47:32,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 04:47:32,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 04:47:32,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 04:47:32,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 04:47:32,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 04:47:32,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 04:47:32,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 04:47:32,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 04:47:32,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 04:47:32,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 04:47:32,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 04:47:32,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 04:47:32,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 04:47:32,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 04:47:32,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 04:47:32,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 04:47:32,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 04:47:32,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 04:47:32,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 04:47:32,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 04:47:32,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 04:47:32,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 04:47:32,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 04:47:32,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 04:47:32,820 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 04:47:32,842 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 04:47:32,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 04:47:32,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 04:47:32,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 04:47:32,844 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 04:47:32,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 04:47:32,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 04:47:32,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 04:47:32,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 04:47:32,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 04:47:32,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 04:47:32,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 04:47:32,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 04:47:32,845 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 04:47:32,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 04:47:32,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 04:47:32,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 04:47:32,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 04:47:32,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 04:47:32,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 04:47:32,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 04:47:32,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 04:47:32,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 04:47:32,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 04:47:32,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 04:47:32,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 04:47:32,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 04:47:32,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 04:47:32,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 04:47:32,848 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 04:47:33,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 04:47:33,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 04:47:33,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 04:47:33,182 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 04:47:33,182 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 04:47:33,183 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0281.c [2020-10-14 04:47:33,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92326fab6/6a571038a0c74419bdf9510f9bee597b/FLAG90397a61e [2020-10-14 04:47:33,722 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 04:47:33,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_0281.c [2020-10-14 04:47:33,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92326fab6/6a571038a0c74419bdf9510f9bee597b/FLAG90397a61e [2020-10-14 04:47:34,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/92326fab6/6a571038a0c74419bdf9510f9bee597b [2020-10-14 04:47:34,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 04:47:34,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 04:47:34,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 04:47:34,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 04:47:34,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 04:47:34,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:47:34" (1/1) ... [2020-10-14 04:47:34,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c49d532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:34, skipping insertion in model container [2020-10-14 04:47:34,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:47:34" (1/1) ... [2020-10-14 04:47:34,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 04:47:34,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 04:47:34,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:47:34,407 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 04:47:34,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:47:34,588 INFO L208 MainTranslator]: Completed translation [2020-10-14 04:47:34,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:34 WrapperNode [2020-10-14 04:47:34,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 04:47:34,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 04:47:34,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 04:47:34,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 04:47:34,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:34" (1/1) ... [2020-10-14 04:47:34,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:34" (1/1) ... [2020-10-14 04:47:34,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:34" (1/1) ... [2020-10-14 04:47:34,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:34" (1/1) ... [2020-10-14 04:47:34,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:34" (1/1) ... [2020-10-14 04:47:34,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:34" (1/1) ... [2020-10-14 04:47:34,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:34" (1/1) ... [2020-10-14 04:47:34,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 04:47:34,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 04:47:34,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 04:47:34,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 04:47:34,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:34" (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 04:47:34,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 04:47:34,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 04:47:34,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-10-14 04:47:34,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2020-10-14 04:47:34,720 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2020-10-14 04:47:34,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2020-10-14 04:47:34,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 04:47:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 04:47:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-10-14 04:47:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-10-14 04:47:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2020-10-14 04:47:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 04:47:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-14 04:47:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 04:47:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 04:47:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 04:47:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-14 04:47:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2020-10-14 04:47:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2020-10-14 04:47:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 04:47:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 04:47:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 04:47:35,277 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 04:47:35,278 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-14 04:47:35,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:47:35 BoogieIcfgContainer [2020-10-14 04:47:35,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 04:47:35,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 04:47:35,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 04:47:35,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 04:47:35,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:47:34" (1/3) ... [2020-10-14 04:47:35,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb37dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:47:35, skipping insertion in model container [2020-10-14 04:47:35,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:47:34" (2/3) ... [2020-10-14 04:47:35,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb37dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:47:35, skipping insertion in model container [2020-10-14 04:47:35,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:47:35" (3/3) ... [2020-10-14 04:47:35,292 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2020-10-14 04:47:35,303 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 04:47:35,311 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 04:47:35,326 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 04:47:35,351 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 04:47:35,351 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 04:47:35,351 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 04:47:35,351 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 04:47:35,352 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 04:47:35,352 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 04:47:35,352 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 04:47:35,352 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 04:47:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-10-14 04:47:35,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-14 04:47:35,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:47:35,381 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 04:47:35,382 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:47:35,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:47:35,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1961299150, now seen corresponding path program 1 times [2020-10-14 04:47:35,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:47:35,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546080062] [2020-10-14 04:47:35,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:47:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:47:35,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:47:35,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:47:35,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 04:47:35,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:47:35,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-14 04:47:35,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:47:35,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:47:35,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:47:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 04:47:35,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:47:35,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 04:47:35,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:47:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:47:35,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:47:35,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:47:35,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:47:35,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:47:35,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 04:47:35,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:47:35,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:47:35,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:47:35,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:47:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:47:35,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:47:35,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 04:47:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:47:35,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:47:35,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:47:35,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:47:35,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:47:35,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 04:47:35,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:47:35,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:47:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:47:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 04:47:35,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:47:35,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:47:35,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 04:47:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:47:35,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:47:35,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:47:35,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:47:35,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:47:35,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:47:35,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:47:35,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:47:35,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:47:35,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:47:35,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:47:35,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:47:35,923 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 04:47:35,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546080062] [2020-10-14 04:47:35,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:47:35,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 04:47:35,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282430363] [2020-10-14 04:47:35,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 04:47:35,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:47:35,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 04:47:35,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 04:47:35,956 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 4 states. [2020-10-14 04:47:36,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:47:36,380 INFO L93 Difference]: Finished difference Result 150 states and 221 transitions. [2020-10-14 04:47:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 04:47:36,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-14 04:47:36,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:47:36,392 INFO L225 Difference]: With dead ends: 150 [2020-10-14 04:47:36,393 INFO L226 Difference]: Without dead ends: 73 [2020-10-14 04:47:36,397 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 04:47:36,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-14 04:47:36,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-10-14 04:47:36,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-14 04:47:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2020-10-14 04:47:36,450 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 22 [2020-10-14 04:47:36,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:47:36,450 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2020-10-14 04:47:36,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 04:47:36,451 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2020-10-14 04:47:36,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-14 04:47:36,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:47:36,452 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] [2020-10-14 04:47:36,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 04:47:36,453 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:47:36,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:47:36,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1590430122, now seen corresponding path program 1 times [2020-10-14 04:47:36,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:47:36,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692635819] [2020-10-14 04:47:36,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:47:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 04:47:36,526 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 04:47:36,526 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 04:47:36,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 04:47:36,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:47:36 BoogieIcfgContainer [2020-10-14 04:47:36,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 04:47:36,572 INFO L168 Benchmark]: Toolchain (without parser) took 2481.63 ms. Allocated memory was 145.8 MB in the beginning and 235.4 MB in the end (delta: 89.7 MB). Free memory was 100.9 MB in the beginning and 150.6 MB in the end (delta: -49.7 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2020-10-14 04:47:36,575 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 04:47:36,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.91 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 100.7 MB in the beginning and 177.7 MB in the end (delta: -77.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-10-14 04:47:36,577 INFO L168 Benchmark]: Boogie Preprocessor took 65.84 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 175.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-14 04:47:36,578 INFO L168 Benchmark]: RCFGBuilder took 626.70 ms. Allocated memory is still 201.9 MB. Free memory was 175.1 MB in the beginning and 142.2 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2020-10-14 04:47:36,580 INFO L168 Benchmark]: TraceAbstraction took 1284.23 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 141.6 MB in the beginning and 150.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-10-14 04:47:36,589 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 499.91 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 100.7 MB in the beginning and 177.7 MB in the end (delta: -77.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.84 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 175.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 626.70 ms. Allocated memory is still 201.9 MB. Free memory was 175.1 MB in the beginning and 142.2 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1284.23 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 141.6 MB in the beginning and 150.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 192]: 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; [L184] float x = __VERIFIER_nondet_float(); [L186] COND TRUE x < -1.0f || x > 1.0f [L188] 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; [L188] RET, EXPR __ieee754_asinf(x) [L188] float res = __ieee754_asinf(x); [L191] CALL, EXPR isnan_float(res) [L13] return x != x; [L191] RET, EXPR isnan_float(res) [L191] COND TRUE !isnan_float(res) [L192] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 86 SDslu, 5 SDs, 0 SdLazy, 94 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=78occurred 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, 0.3s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1953 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...