/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_1131a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:19:33,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:19:33,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:19:33,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:19:33,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:19:33,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:19:33,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:19:33,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:19:33,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:19:33,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:19:33,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:19:33,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:19:33,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:19:33,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:19:33,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:19:33,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:19:33,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:19:33,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:19:33,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:19:33,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:19:33,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:19:33,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:19:33,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:19:33,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:19:33,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:19:33,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:19:33,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:19:33,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:19:33,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:19:33,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:19:33,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:19:33,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:19:33,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:19:33,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:19:33,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:19:33,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:19:33,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:19:33,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:19:33,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:19:33,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:19:33,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:19:33,559 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 23:19:33,601 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:19:33,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:19:33,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:19:33,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:19:33,605 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:19:33,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:19:33,606 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:19:33,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:19:33,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:19:33,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:19:33,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:19:33,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:19:33,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:19:33,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:19:33,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:19:33,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:19:33,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:19:33,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:19:33,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:19:33,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:19:33,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:19:33,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:19:33,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:19:33,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:19:33,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:19:33,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:19:33,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:19:33,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:19:33,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:19:33,612 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 23:19:33,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:19:33,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:19:33,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:19:33,987 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:19:33,988 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:19:33,989 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1131a.c [2020-10-14 23:19:34,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d3f47559/c375a59c6c4149409551c6a56e9eabcc/FLAGa4bfe6bd6 [2020-10-14 23:19:34,523 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:19:34,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_1131a.c [2020-10-14 23:19:34,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d3f47559/c375a59c6c4149409551c6a56e9eabcc/FLAGa4bfe6bd6 [2020-10-14 23:19:34,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d3f47559/c375a59c6c4149409551c6a56e9eabcc [2020-10-14 23:19:34,907 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:19:34,909 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:19:34,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:19:34,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:19:34,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:19:34,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:19:34" (1/1) ... [2020-10-14 23:19:34,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9b7f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:34, skipping insertion in model container [2020-10-14 23:19:34,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:19:34" (1/1) ... [2020-10-14 23:19:34,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:19:34,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:19:35,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:19:35,164 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:19:35,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:19:35,319 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:19:35,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35 WrapperNode [2020-10-14 23:19:35,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:19:35,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:19:35,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:19:35,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:19:35,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (1/1) ... [2020-10-14 23:19:35,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:19:35,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:19:35,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:19:35,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:19:35,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (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 23:19:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:19:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:19:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2020-10-14 23:19:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2020-10-14 23:19:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:19:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:19:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-10-14 23:19:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2020-10-14 23:19:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 23:19:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-14 23:19:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:19:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:19:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-14 23:19:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:19:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2020-10-14 23:19:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:19:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:19:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-14 23:19:35,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:19:35,914 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:19:35,915 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-14 23:19:35,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:19:35 BoogieIcfgContainer [2020-10-14 23:19:35,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:19:35,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:19:35,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:19:35,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:19:35,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:19:34" (1/3) ... [2020-10-14 23:19:35,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547cb20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:19:35, skipping insertion in model container [2020-10-14 23:19:35,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:19:35" (2/3) ... [2020-10-14 23:19:35,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547cb20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:19:35, skipping insertion in model container [2020-10-14 23:19:35,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:19:35" (3/3) ... [2020-10-14 23:19:35,931 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131a.c [2020-10-14 23:19:35,942 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:19:35,953 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 23:19:35,966 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 23:19:35,987 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:19:35,987 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:19:35,988 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:19:35,988 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:19:35,988 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:19:35,988 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:19:35,989 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:19:35,989 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:19:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-10-14 23:19:36,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-14 23:19:36,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:19:36,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:19:36,018 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:19:36,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:19:36,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1081724134, now seen corresponding path program 1 times [2020-10-14 23:19:36,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:19:36,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373725662] [2020-10-14 23:19:36,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:19:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:19:36,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:36,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:36,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:36,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:19:36,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 23:19:36,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:19:36,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-14 23:19:36,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:19:36,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:19:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:19:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 23:19:36,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:19:36,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 23:19:36,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:19:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:19:36,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:36,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:19:36,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:19:36,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:19:36,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:19:36,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:19:36,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:19:36,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:19:36,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:19:36,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:19:36,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:19:36,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:19:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:19:36,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:36,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:19:36,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:19:36,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:19:36,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:19:36,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:19:36,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:19:36,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:19:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 23:19:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:19:36,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:19:36,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 23:19:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:19:36,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:36,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:36,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:19:36,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:19:36,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 23:19:36,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:19:36,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 23:19:36,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:19:36,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:19:36,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:19:36,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 23:19:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:19:36,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:19:36,629 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 23:19:36,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373725662] [2020-10-14 23:19:36,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:19:36,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 23:19:36,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130180907] [2020-10-14 23:19:36,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 23:19:36,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:19:36,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 23:19:36,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 23:19:36,657 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 4 states. [2020-10-14 23:19:36,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:19:36,914 INFO L93 Difference]: Finished difference Result 112 states and 175 transitions. [2020-10-14 23:19:36,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 23:19:36,916 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-10-14 23:19:36,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:19:36,927 INFO L225 Difference]: With dead ends: 112 [2020-10-14 23:19:36,927 INFO L226 Difference]: Without dead ends: 55 [2020-10-14 23:19:36,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 23:19:36,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-14 23:19:36,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-14 23:19:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-14 23:19:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2020-10-14 23:19:36,979 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 25 [2020-10-14 23:19:36,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:19:36,980 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2020-10-14 23:19:36,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 23:19:36,980 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-10-14 23:19:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-14 23:19:36,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:19:36,981 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:19:36,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:19:36,982 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:19:36,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:19:36,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1695884658, now seen corresponding path program 1 times [2020-10-14 23:19:36,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:19:36,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666043557] [2020-10-14 23:19:36,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:19:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 23:19:37,044 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 23:19:37,044 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 23:19:37,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:19:37,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:19:37 BoogieIcfgContainer [2020-10-14 23:19:37,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:19:37,071 INFO L168 Benchmark]: Toolchain (without parser) took 2161.79 ms. Allocated memory was 147.8 MB in the beginning and 233.3 MB in the end (delta: 85.5 MB). Free memory was 104.0 MB in the beginning and 182.9 MB in the end (delta: -78.9 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2020-10-14 23:19:37,072 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 23:19:37,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.79 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 103.6 MB in the beginning and 179.9 MB in the end (delta: -76.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2020-10-14 23:19:37,074 INFO L168 Benchmark]: Boogie Preprocessor took 53.11 ms. Allocated memory is still 203.4 MB. Free memory was 179.9 MB in the beginning and 177.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-14 23:19:37,075 INFO L168 Benchmark]: RCFGBuilder took 545.60 ms. Allocated memory is still 203.4 MB. Free memory was 177.1 MB in the beginning and 149.2 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-10-14 23:19:37,076 INFO L168 Benchmark]: TraceAbstraction took 1146.75 ms. Allocated memory was 203.4 MB in the beginning and 233.3 MB in the end (delta: 29.9 MB). Free memory was 149.2 MB in the beginning and 182.9 MB in the end (delta: -33.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 23:19:37,080 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 410.79 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 103.6 MB in the beginning and 179.9 MB in the end (delta: -76.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.11 ms. Allocated memory is still 203.4 MB. Free memory was 179.9 MB in the beginning and 177.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 545.60 ms. Allocated memory is still 203.4 MB. Free memory was 177.1 MB in the beginning and 149.2 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1146.75 ms. Allocated memory was 203.4 MB in the beginning and 233.3 MB in the end (delta: 29.9 MB). Free memory was 149.2 MB in the beginning and 182.9 MB in the end (delta: -33.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseXor at line 31. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L126] float x = __VERIFIER_nondet_float(); [L127] float y = 1.0f / 0.0f; [L129] CALL isfinite_float(x) [L109] __int32_t ix; [L111] ieee_float_shape_type gf_u; [L112] gf_u.value = (x) [L113] EXPR gf_u.word [L113] (ix) = gf_u.word [L115] ix &= 0x7fffffff [L116] return (((ix) < 0x7f800000L)); [L129] RET isfinite_float(x) [L129] COND TRUE isfinite_float(x) [L131] CALL, EXPR fmod_float(x, y) [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); [L131] RET, EXPR fmod_float(x, y) [L131] float res = fmod_float(x, y); [L134] COND TRUE res != x [L135] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 73 SDtfs, 6 SDslu, 63 SDs, 0 SdLazy, 78 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 1656 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...