/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1252b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:27:33,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:27:33,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:27:33,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:27:33,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:27:33,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:27:33,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:27:33,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:27:33,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:27:33,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:27:33,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:27:33,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:27:33,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:27:33,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:27:33,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:27:33,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:27:33,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:27:33,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:27:33,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:27:33,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:27:33,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:27:33,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:27:33,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:27:33,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:27:33,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:27:33,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:27:33,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:27:33,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:27:33,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:27:33,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-20 16:27:33,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:27:33,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:27:33,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:27:33,855 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:27:33,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:27:33,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:27:33,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:27:33,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:27:33,872 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:27:33,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:27:33,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:27:33,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:27:33,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:27:33,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:27:33,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:27:33,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:27:33,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:27:33,874 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:27:33,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:27:33,874 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:27:33,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:27:33,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:27:33,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:27:33,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:27:33,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:27:33,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:27:33,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:27:33,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:27:33,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:27:33,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:27:33,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:27:33,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:27:33,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:27:33,877 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:27:34,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:27:34,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:27:34,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:27:34,184 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:27:34,184 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:27:34,185 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1252b.c [2020-07-20 16:27:34,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e52a45dc/cb189a2f47554f40906046efbc5a56d9/FLAG27c5ce53b [2020-07-20 16:27:34,759 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:27:34,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1252b.c [2020-07-20 16:27:34,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e52a45dc/cb189a2f47554f40906046efbc5a56d9/FLAG27c5ce53b [2020-07-20 16:27:35,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e52a45dc/cb189a2f47554f40906046efbc5a56d9 [2020-07-20 16:27:35,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:27:35,130 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:27:35,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:27:35,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:27:35,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:27:35,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:27:35" (1/1) ... [2020-07-20 16:27:35,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1aa79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:27:35, skipping insertion in model container [2020-07-20 16:27:35,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:27:35" (1/1) ... [2020-07-20 16:27:35,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:27:35,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:27:35,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:27:35,374 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:27:35,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:27:35,531 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:27:35,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:27:35 WrapperNode [2020-07-20 16:27:35,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:27:35,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:27:35,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:27:35,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:27:35,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:27:35" (1/1) ... [2020-07-20 16:27:35,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:27:35" (1/1) ... [2020-07-20 16:27:35,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:27:35" (1/1) ... [2020-07-20 16:27:35,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:27:35" (1/1) ... [2020-07-20 16:27:35,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:27:35" (1/1) ... [2020-07-20 16:27:35,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:27:35" (1/1) ... [2020-07-20 16:27:35,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:27:35" (1/1) ... [2020-07-20 16:27:35,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:27:35,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:27:35,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:27:35,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:27:35,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:27:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 16:27:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:27:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:27:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-07-20 16:27:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_double [2020-07-20 16:27:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-07-20 16:27:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:27:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:27:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-20 16:27:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-07-20 16:27:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:27:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-20 16:27:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:27:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:27:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_double [2020-07-20 16:27:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-07-20 16:27:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:27:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:27:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:27:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:27:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-20 16:27:35,978 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:27:35,979 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-20 16:27:35,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:27:35 BoogieIcfgContainer [2020-07-20 16:27:35,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:27:35,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:27:35,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:27:35,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:27:35,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:27:35" (1/3) ... [2020-07-20 16:27:35,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2524c77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:27:35, skipping insertion in model container [2020-07-20 16:27:35,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:27:35" (2/3) ... [2020-07-20 16:27:35,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2524c77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:27:35, skipping insertion in model container [2020-07-20 16:27:35,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:27:35" (3/3) ... [2020-07-20 16:27:35,993 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1252b.c [2020-07-20 16:27:36,006 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:27:36,015 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:27:36,031 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:27:36,056 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:27:36,057 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:27:36,057 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:27:36,057 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:27:36,057 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:27:36,057 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:27:36,057 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:27:36,057 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:27:36,077 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-07-20 16:27:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-20 16:27:36,084 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:27:36,085 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] [2020-07-20 16:27:36,086 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:27:36,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:27:36,093 INFO L82 PathProgramCache]: Analyzing trace with hash -592398611, now seen corresponding path program 1 times [2020-07-20 16:27:36,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:27:36,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1413865021] [2020-07-20 16:27:36,103 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:27:36,211 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:27:36,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:27:36,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:27:36,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:27:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:27:36,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:27:36,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1413865021] [2020-07-20 16:27:36,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:27:36,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 16:27:36,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044648104] [2020-07-20 16:27:36,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 16:27:36,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:27:36,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 16:27:36,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 16:27:36,335 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 4 states. [2020-07-20 16:27:36,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:27:36,415 INFO L93 Difference]: Finished difference Result 83 states and 113 transitions. [2020-07-20 16:27:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 16:27:36,417 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-07-20 16:27:36,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:27:36,429 INFO L225 Difference]: With dead ends: 83 [2020-07-20 16:27:36,429 INFO L226 Difference]: Without dead ends: 44 [2020-07-20 16:27:36,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 16:27:36,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-20 16:27:36,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-07-20 16:27:36,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-20 16:27:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2020-07-20 16:27:36,484 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 22 [2020-07-20 16:27:36,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:27:36,485 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2020-07-20 16:27:36,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 16:27:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-07-20 16:27:36,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-20 16:27:36,488 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:27:36,488 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] [2020-07-20 16:27:36,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:27:36,702 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:27:36,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:27:36,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1003466516, now seen corresponding path program 1 times [2020-07-20 16:27:36,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:27:36,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596761056] [2020-07-20 16:27:36,706 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:27:36,773 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:27:36,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:27:36,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:27:36,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:27:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:27:36,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:27:36,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596761056] [2020-07-20 16:27:36,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:27:36,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 16:27:36,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485616184] [2020-07-20 16:27:36,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 16:27:36,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:27:36,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 16:27:36,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 16:27:36,805 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 4 states. [2020-07-20 16:27:36,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:27:36,831 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2020-07-20 16:27:36,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 16:27:36,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-07-20 16:27:36,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:27:36,834 INFO L225 Difference]: With dead ends: 63 [2020-07-20 16:27:36,834 INFO L226 Difference]: Without dead ends: 48 [2020-07-20 16:27:36,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 16:27:36,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-07-20 16:27:36,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2020-07-20 16:27:36,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-20 16:27:36,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2020-07-20 16:27:36,846 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 26 [2020-07-20 16:27:36,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:27:36,846 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2020-07-20 16:27:36,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 16:27:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-07-20 16:27:36,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-20 16:27:36,848 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:27:36,848 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] [2020-07-20 16:27:37,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:27:37,064 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:27:37,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:27:37,065 INFO L82 PathProgramCache]: Analyzing trace with hash -793484843, now seen corresponding path program 1 times [2020-07-20 16:27:37,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:27:37,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038260148] [2020-07-20 16:27:37,065 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:27:37,132 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:27:37,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-20 16:27:37,133 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 16:27:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 16:27:37,154 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 16:27:37,179 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-20 16:27:37,180 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 16:27:37,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:27:37,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:27:37 BoogieIcfgContainer [2020-07-20 16:27:37,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:27:37,426 INFO L168 Benchmark]: Toolchain (without parser) took 2295.91 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 103.8 MB in the beginning and 95.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:27:37,427 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:27:37,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.93 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 103.4 MB in the beginning and 182.6 MB in the end (delta: -79.2 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:27:37,429 INFO L168 Benchmark]: Boogie Preprocessor took 48.35 ms. Allocated memory is still 204.5 MB. Free memory was 182.6 MB in the beginning and 180.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:27:37,431 INFO L168 Benchmark]: RCFGBuilder took 402.72 ms. Allocated memory is still 204.5 MB. Free memory was 180.7 MB in the beginning and 159.8 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:27:37,431 INFO L168 Benchmark]: TraceAbstraction took 1437.14 ms. Allocated memory is still 204.5 MB. Free memory was 159.1 MB in the beginning and 95.9 MB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:27:37,436 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 400.93 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 103.4 MB in the beginning and 182.6 MB in the end (delta: -79.2 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.35 ms. Allocated memory is still 204.5 MB. Free memory was 182.6 MB in the beginning and 180.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 402.72 ms. Allocated memory is still 204.5 MB. Free memory was 180.7 MB in the beginning and 159.8 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1437.14 ms. Allocated memory is still 204.5 MB. Free memory was 159.1 MB in the beginning and 95.9 MB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 85]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someUnaryDOUBLEoperation at line 80. Possible FailurePath: [L79] double x = 0.0; [L80] double y = -0.0; VAL [x=0] [L81] CALL, EXPR fmax_double(x, y) VAL [\old(x)=0, \old(y)=4] [L52] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=0] [L24] __uint32_t msw, lsw; VAL [\old(x)=0, x=0] [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (msw) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lsw) = ew_u.parts.lsw [L33-L34] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) VAL [\old(x)=0, lsw=8365, msw=-2148532223, x=0] [L36-L37] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) VAL [\old(x)=0, lsw=8365, msw=-2148532223, x=0] [L39-L40] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) VAL [\old(x)=0, lsw=8365, msw=-2148532223, x=0] [L43-L44] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L47] return 0; VAL [\old(x)=0, \result=0, lsw=8365, msw=-2148532223, x=0] [L52] RET, EXPR __fpclassify_double(x) VAL [\old(x)=0, \old(y)=4, __fpclassify_double(x)=0, x=0, y=4] [L52] COND TRUE __fpclassify_double(x) == 0 [L53] return y; VAL [\old(x)=0, \old(y)=4, \result=4, x=0, y=4] [L81] RET, EXPR fmax_double(x, y) VAL [fmax_double(x, y)=4, x=0, y=4] [L81] double res = fmax_double(x, y); [L84] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [res=4, res == 0.0 && __signbit_double(res) == 0=0, x=0, y=4] [L84] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L85] __VERIFIER_error() VAL [res=4, x=0, y=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 96 SDtfs, 0 SDslu, 180 SDs, 0 SdLazy, 17 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 74 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 1434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 138 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...