/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/double_req_bl_1122a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:18:05,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:18:05,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:18:05,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:18:05,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:18:05,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:18:05,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:18:05,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:18:05,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:18:05,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:18:05,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:18:05,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:18:05,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:18:05,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:18:05,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:18:05,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:18:05,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:18:05,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:18:05,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:18:05,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:18:05,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:18:05,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:18:05,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:18:05,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:18:05,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:18:05,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:18:05,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:18:05,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:18:05,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:18:05,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:18:05,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:18:05,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:18:05,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:18:05,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:18:05,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:18:05,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:18:05,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:18:05,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:18:05,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:18:05,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:18:05,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:18:05,239 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 23:18:05,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:18:05,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:18:05,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:18:05,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:18:05,263 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:18:05,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:18:05,263 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:18:05,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:18:05,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:18:05,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:18:05,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:18:05,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:18:05,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:18:05,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:18:05,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:18:05,265 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:18:05,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:18:05,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:18:05,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:18:05,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:18:05,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:18:05,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:18:05,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:18:05,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:18:05,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:18:05,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:18:05,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:18:05,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:18:05,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:18:05,268 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 23:18:05,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:18:05,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:18:05,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:18:05,592 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:18:05,593 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:18:05,593 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1122a.c [2020-10-14 23:18:05,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f17d1f7f/7a1edfee84684850ab79ced08282380c/FLAG693cd48a8 [2020-10-14 23:18:06,154 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:18:06,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_1122a.c [2020-10-14 23:18:06,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f17d1f7f/7a1edfee84684850ab79ced08282380c/FLAG693cd48a8 [2020-10-14 23:18:06,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f17d1f7f/7a1edfee84684850ab79ced08282380c [2020-10-14 23:18:06,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:18:06,465 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:18:06,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:18:06,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:18:06,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:18:06,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:18:06" (1/1) ... [2020-10-14 23:18:06,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310d9643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:06, skipping insertion in model container [2020-10-14 23:18:06,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:18:06" (1/1) ... [2020-10-14 23:18:06,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:18:06,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:18:06,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:18:06,846 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:18:06,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:18:06,931 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:18:06,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:06 WrapperNode [2020-10-14 23:18:06,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:18:06,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:18:06,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:18:06,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:18:06,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:06" (1/1) ... [2020-10-14 23:18:06,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:06" (1/1) ... [2020-10-14 23:18:06,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:06" (1/1) ... [2020-10-14 23:18:06,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:06" (1/1) ... [2020-10-14 23:18:06,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:06" (1/1) ... [2020-10-14 23:18:06,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:06" (1/1) ... [2020-10-14 23:18:06,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:06" (1/1) ... [2020-10-14 23:18:06,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:18:06,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:18:06,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:18:06,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:18:06,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:06" (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 23:18:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:18:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:18:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-10-14 23:18:07,059 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2020-10-14 23:18:07,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:18:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:18:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-14 23:18:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-10-14 23:18:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2020-10-14 23:18:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 23:18:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-14 23:18:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:18:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:18:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-14 23:18:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:18:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:18:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:18:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-14 23:18:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:18:07,588 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:18:07,588 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-14 23:18:07,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:18:07 BoogieIcfgContainer [2020-10-14 23:18:07,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:18:07,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:18:07,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:18:07,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:18:07,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:18:06" (1/3) ... [2020-10-14 23:18:07,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@744a3669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:18:07, skipping insertion in model container [2020-10-14 23:18:07,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:18:06" (2/3) ... [2020-10-14 23:18:07,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@744a3669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:18:07, skipping insertion in model container [2020-10-14 23:18:07,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:18:07" (3/3) ... [2020-10-14 23:18:07,603 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2020-10-14 23:18:07,614 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:18:07,623 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 23:18:07,639 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 23:18:07,666 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:18:07,666 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:18:07,666 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:18:07,666 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:18:07,667 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:18:07,667 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:18:07,667 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:18:07,667 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:18:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2020-10-14 23:18:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-14 23:18:07,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:18:07,697 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 23:18:07,698 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:18:07,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:18:07,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1778081115, now seen corresponding path program 1 times [2020-10-14 23:18:07,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:18:07,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740649486] [2020-10-14 23:18:07,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:18:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:18:07,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:18:07,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:18:08,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:18:08,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 23:18:08,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:18:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-14 23:18:08,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:18:08,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:18:08,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:18:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 23:18:08,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:18:08,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 23:18:08,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:18:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:18:08,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:18:08,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:18:08,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:18:08,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:18:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:18:08,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:18:08,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:18:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:18:08,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:18:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:18:08,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:18:08,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:18:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:18:08,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:18:08,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:18:08,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:18:08,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 23:18:08,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:18:08,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 23:18:08,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:18:08,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:18:08,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:18:08,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 23:18:08,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:18:08,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:18:08,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 23:18:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:18:08,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:18:08,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:18:08,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:18:08,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:18:08,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 23:18:08,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:18:08,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:18:08,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:18:08,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 23:18:08,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:18:08,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:18:08,287 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 23:18:08,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [740649486] [2020-10-14 23:18:08,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:18:08,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 23:18:08,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586992476] [2020-10-14 23:18:08,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 23:18:08,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:18:08,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 23:18:08,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 23:18:08,317 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 4 states. [2020-10-14 23:18:08,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:18:08,608 INFO L93 Difference]: Finished difference Result 128 states and 210 transitions. [2020-10-14 23:18:08,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 23:18:08,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-14 23:18:08,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:18:08,624 INFO L225 Difference]: With dead ends: 128 [2020-10-14 23:18:08,624 INFO L226 Difference]: Without dead ends: 64 [2020-10-14 23:18:08,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 23:18:08,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-14 23:18:08,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-14 23:18:08,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-14 23:18:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 90 transitions. [2020-10-14 23:18:08,679 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 90 transitions. Word has length 22 [2020-10-14 23:18:08,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:18:08,679 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 90 transitions. [2020-10-14 23:18:08,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 23:18:08,680 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2020-10-14 23:18:08,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-14 23:18:08,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:18:08,681 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] [2020-10-14 23:18:08,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:18:08,682 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:18:08,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:18:08,682 INFO L82 PathProgramCache]: Analyzing trace with hash -943917416, now seen corresponding path program 1 times [2020-10-14 23:18:08,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:18:08,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007202062] [2020-10-14 23:18:08,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:18:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 23:18:08,724 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 23:18:08,724 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 23:18:08,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:18:08,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:18:08 BoogieIcfgContainer [2020-10-14 23:18:08,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:18:08,754 INFO L168 Benchmark]: Toolchain (without parser) took 2288.59 ms. Allocated memory was 146.8 MB in the beginning and 233.8 MB in the end (delta: 87.0 MB). Free memory was 101.7 MB in the beginning and 177.7 MB in the end (delta: -76.1 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:18:08,756 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.7 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 23:18:08,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.30 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 101.2 MB in the beginning and 177.4 MB in the end (delta: -76.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:18:08,757 INFO L168 Benchmark]: Boogie Preprocessor took 60.76 ms. Allocated memory is still 202.9 MB. Free memory was 177.4 MB in the beginning and 174.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-14 23:18:08,758 INFO L168 Benchmark]: RCFGBuilder took 600.16 ms. Allocated memory is still 202.9 MB. Free memory was 174.6 MB in the beginning and 140.7 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:18:08,759 INFO L168 Benchmark]: TraceAbstraction took 1156.86 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 140.7 MB in the beginning and 177.7 MB in the end (delta: -37.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 23:18:08,763 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 146.8 MB. Free memory was 120.1 MB in the beginning and 119.7 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 465.30 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 101.2 MB in the beginning and 177.4 MB in the end (delta: -76.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.76 ms. Allocated memory is still 202.9 MB. Free memory was 177.4 MB in the beginning and 174.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 600.16 ms. Allocated memory is still 202.9 MB. Free memory was 174.6 MB in the beginning and 140.7 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1156.86 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 140.7 MB in the beginning and 177.7 MB in the end (delta: -37.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 176]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L170] double x = 1.0 / 0.0; [L171] double y = __VERIFIER_nondet_double(); [L172] CALL, EXPR fmod_double(x, y) [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); [L172] RET, EXPR fmod_double(x, y) [L172] double res = fmod_double(x, y); [L175] CALL, EXPR isnan_double(res) [L16] return x != x; [L175] RET, EXPR isnan_double(res) [L175] COND TRUE !isnan_double(res) [L176] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 8 SDslu, 79 SDs, 0 SdLazy, 95 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred 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, 0.4s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1134 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...