/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_FUNCTIONS --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_1210.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:05:57,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:05:57,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:05:57,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:05:57,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:05:57,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:05:57,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:05:57,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:05:57,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:05:57,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:05:57,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:05:57,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:05:57,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:05:57,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:05:57,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:05:57,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:05:57,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:05:57,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:05:57,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:05:57,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:05:57,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:05:57,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:05:57,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:05:57,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:05:57,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 13:05:57,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:05:57,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:05:57,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:05:57,767 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 13:05:57,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:05:57,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:05:57,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:05:57,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:05:57,788 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:05:57,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:05:57,788 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:05:57,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:05:57,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:05:57,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:05:57,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:05:57,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:05:57,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:05:57,790 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:05:57,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:05:57,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:05:57,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:05:57,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:05:57,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:05:57,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:05:57,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:05:57,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:05:57,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:05:57,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:05:57,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:05:57,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:05:57,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:57,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:05:57,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:05:57,795 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_FUNCTIONS 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 13:05:58,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:05:58,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:05:58,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:05:58,120 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:05:58,121 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:05:58,122 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210.c [2020-07-20 13:05:58,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/310bead71/9eeb8e23c0f04e489bf80b2a00d9ffa0/FLAGe980631cd [2020-07-20 13:05:58,629 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:05:58,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210.c [2020-07-20 13:05:58,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/310bead71/9eeb8e23c0f04e489bf80b2a00d9ffa0/FLAGe980631cd [2020-07-20 13:05:58,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/310bead71/9eeb8e23c0f04e489bf80b2a00d9ffa0 [2020-07-20 13:05:58,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:05:58,989 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:05:58,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:05:58,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:05:58,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:05:58,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:58" (1/1) ... [2020-07-20 13:05:58,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3feaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:58, skipping insertion in model container [2020-07-20 13:05:58,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:58" (1/1) ... [2020-07-20 13:05:59,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:05:59,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:05:59,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:05:59,261 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:05:59,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:05:59,420 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:05:59,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:59 WrapperNode [2020-07-20 13:05:59,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:05:59,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:05:59,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:05:59,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:05:59,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:59" (1/1) ... [2020-07-20 13:05:59,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:59" (1/1) ... [2020-07-20 13:05:59,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:59" (1/1) ... [2020-07-20 13:05:59,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:59" (1/1) ... [2020-07-20 13:05:59,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:59" (1/1) ... [2020-07-20 13:05:59,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:59" (1/1) ... [2020-07-20 13:05:59,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:59" (1/1) ... [2020-07-20 13:05:59,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:05:59,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:05:59,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:05:59,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:05:59,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:59" (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 13:05:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:05:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:05:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-20 13:05:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_double [2020-07-20 13:05:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:05:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:05:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-20 13:05:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure modf_double [2020-07-20 13:05:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:05:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-20 13:05:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:05:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:05:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:05:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-20 13:05:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:05:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:05:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:06:00,095 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:06:00,096 INFO L295 CfgBuilder]: Removed 20 assume(true) statements. [2020-07-20 13:06:00,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:06:00 BoogieIcfgContainer [2020-07-20 13:06:00,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:06:00,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:06:00,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:06:00,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:06:00,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:05:58" (1/3) ... [2020-07-20 13:06:00,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adee11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:06:00, skipping insertion in model container [2020-07-20 13:06:00,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:59" (2/3) ... [2020-07-20 13:06:00,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adee11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:06:00, skipping insertion in model container [2020-07-20 13:06:00,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:06:00" (3/3) ... [2020-07-20 13:06:00,109 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2020-07-20 13:06:00,120 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:06:00,128 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:06:00,142 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:06:00,163 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:06:00,164 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:06:00,164 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:06:00,164 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:06:00,164 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:06:00,164 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:06:00,165 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:06:00,165 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:06:00,182 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2020-07-20 13:06:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-20 13:06:00,189 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:06:00,190 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] [2020-07-20 13:06:00,191 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:06:00,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:06:00,196 INFO L82 PathProgramCache]: Analyzing trace with hash 204549601, now seen corresponding path program 1 times [2020-07-20 13:06:00,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:06:00,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870626179] [2020-07-20 13:06:00,204 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 13:06:00,324 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:06:00,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:06:00,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:06:00,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:06:00,363 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 13:06:00,363 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:06:00,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870626179] [2020-07-20 13:06:00,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:06:00,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:06:00,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69161512] [2020-07-20 13:06:00,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:06:00,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:06:00,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:06:00,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:06:00,397 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2020-07-20 13:06:00,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:06:00,447 INFO L93 Difference]: Finished difference Result 108 states and 162 transitions. [2020-07-20 13:06:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:06:00,448 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2020-07-20 13:06:00,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:06:00,457 INFO L225 Difference]: With dead ends: 108 [2020-07-20 13:06:00,457 INFO L226 Difference]: Without dead ends: 54 [2020-07-20 13:06:00,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:06:00,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-07-20 13:06:00,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-07-20 13:06:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-20 13:06:00,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2020-07-20 13:06:00,508 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 25 [2020-07-20 13:06:00,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:06:00,509 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2020-07-20 13:06:00,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:06:00,509 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2020-07-20 13:06:00,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-20 13:06:00,512 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:06:00,512 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] [2020-07-20 13:06:00,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:06:00,718 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:06:00,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:06:00,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1987482264, now seen corresponding path program 1 times [2020-07-20 13:06:00,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:06:00,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244435806] [2020-07-20 13:06:00,721 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 13:06:00,833 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:06:00,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:06:00,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:06:00,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:06:00,864 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 13:06:00,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:06:00,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244435806] [2020-07-20 13:06:00,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:06:00,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:06:00,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444809260] [2020-07-20 13:06:00,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:06:00,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:06:00,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:06:00,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:06:00,869 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand 3 states. [2020-07-20 13:06:00,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:06:00,887 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2020-07-20 13:06:00,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:06:00,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-20 13:06:00,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:06:00,890 INFO L225 Difference]: With dead ends: 57 [2020-07-20 13:06:00,890 INFO L226 Difference]: Without dead ends: 54 [2020-07-20 13:06:00,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:06:00,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-07-20 13:06:00,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-07-20 13:06:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-20 13:06:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2020-07-20 13:06:00,901 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 27 [2020-07-20 13:06:00,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:06:00,903 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2020-07-20 13:06:00,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:06:00,904 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2020-07-20 13:06:00,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-20 13:06:00,905 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:06:00,906 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2020-07-20 13:06:01,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:06:01,121 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:06:01,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:06:01,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1590755806, now seen corresponding path program 1 times [2020-07-20 13:06:01,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:06:01,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531274207] [2020-07-20 13:06:01,122 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 13:06:01,226 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:06:01,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-20 13:06:01,226 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 13:06:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 13:06:01,250 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 13:06:01,281 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-20 13:06:01,281 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 13:06:01,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:06:01,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:06:01 BoogieIcfgContainer [2020-07-20 13:06:01,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:06:01,539 INFO L168 Benchmark]: Toolchain (without parser) took 2550.62 ms. Allocated memory was 137.9 MB in the beginning and 234.9 MB in the end (delta: 97.0 MB). Free memory was 102.6 MB in the beginning and 191.2 MB in the end (delta: -88.7 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:06:01,540 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 13:06:01,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.52 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 102.1 MB in the beginning and 180.1 MB in the end (delta: -78.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:06:01,542 INFO L168 Benchmark]: Boogie Preprocessor took 73.50 ms. Allocated memory is still 203.4 MB. Free memory was 180.1 MB in the beginning and 177.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:06:01,542 INFO L168 Benchmark]: RCFGBuilder took 605.30 ms. Allocated memory is still 203.4 MB. Free memory was 177.4 MB in the beginning and 145.9 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:06:01,543 INFO L168 Benchmark]: TraceAbstraction took 1434.22 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 145.2 MB in the beginning and 191.2 MB in the end (delta: -46.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 13:06:01,547 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 431.52 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 102.1 MB in the beginning and 180.1 MB in the end (delta: -78.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.50 ms. Allocated memory is still 203.4 MB. Free memory was 180.1 MB in the beginning and 177.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 605.30 ms. Allocated memory is still 203.4 MB. Free memory was 177.4 MB in the beginning and 145.9 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1434.22 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 145.2 MB in the beginning and 191.2 MB in the end (delta: -46.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 116, overapproximation of bitwiseAnd at line 33. Possible FailurePath: [L17] static const double one_modf = 1.0; VAL [\old(one_modf)=0, one_modf=1] [L116] double x = 0.0 / 0.0; [L117] double iptr; VAL [iptr={2:0}, one_modf=1] [L118] CALL, EXPR modf_double(x, &iptr) VAL [\old(x)=2, iptr={2:0}, one_modf=1] [L20] __int32_t i0, i1, j0; [L21] __uint32_t i; VAL [\old(x)=2, iptr={2:0}, iptr={2:0}, one_modf=1, x=2] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=2, i0=0, i1=0, iptr={2:0}, iptr={2:0}, one_modf=1, x=2] [L29] COND TRUE j0 < 20 VAL [\old(x)=2, i0=0, i1=0, iptr={2:0}, iptr={2:0}, j0=-1, one_modf=1, x=2] [L30] COND TRUE j0 < 0 VAL [\old(x)=2, i0=0, i1=0, iptr={2:0}, iptr={2:0}, j0=-1, one_modf=1, x=2] [L32] ieee_double_shape_type iw_u; [L33] iw_u.parts.msw = (i0 & 0x80000000) [L34] iw_u.parts.lsw = (0) [L35] EXPR iw_u.value [L35] (*iptr) = iw_u.value [L37] return x; VAL [\old(x)=2, \result=2, i0=0, i1=0, iptr={2:0}, iptr={2:0}, j0=-1, one_modf=1, x=2] [L118] RET, EXPR modf_double(x, &iptr) VAL [iptr={2:0}, modf_double(x, &iptr)=2, one_modf=1, x=2] [L118] double res = modf_double(x, &iptr); [L121] EXPR \read(iptr) VAL [\read(iptr)=5, iptr={2:0}, one_modf=1, res=2, x=2] [L121] CALL, EXPR isnan_double(iptr) VAL [\old(x)=5, one_modf=1] [L15] return x != x; VAL [\old(x)=5, \result=1, one_modf=1, x=5] [L121] RET, EXPR isnan_double(iptr) VAL [\read(iptr)=5, iptr={2:0}, isnan_double(iptr)=1, one_modf=1, res=2, x=2] [L121] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=5, iptr={2:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, one_modf=1, res=2, x=2] [L121] CALL, EXPR isnan_double(res) VAL [\old(x)=2, one_modf=1] [L15] return x != x; VAL [\old(x)=2, \result=0, one_modf=1, x=2] [L121] RET, EXPR isnan_double(res) VAL [\read(iptr)=5, iptr={2:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1, res=2, x=2] [L121] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=5, iptr={2:0}, isnan_double(iptr)=1, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(res)=0, one_modf=1, res=2, x=2] [L121] COND TRUE isnan_double(iptr) && !isnan_double(res) [L122] __VERIFIER_error() VAL [iptr={2:0}, one_modf=1, res=2, x=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 124 SDtfs, 0 SDslu, 55 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 1278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 3 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...