/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1230.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 01:02:37,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 01:02:37,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 01:02:37,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 01:02:37,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 01:02:37,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 01:02:37,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 01:02:37,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 01:02:37,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 01:02:37,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 01:02:37,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 01:02:37,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 01:02:37,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 01:02:37,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 01:02:37,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 01:02:37,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 01:02:37,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 01:02:37,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 01:02:37,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 01:02:37,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 01:02:37,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 01:02:37,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 01:02:37,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 01:02:37,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 01:02:37,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 01:02:37,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 01:02:37,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 01:02:37,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 01:02:37,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 01:02:37,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 01:02:37,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 01:02:37,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 01:02:37,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 01:02:37,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 01:02:37,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 01:02:37,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 01:02:37,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 01:02:37,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 01:02:37,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 01:02:37,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 01:02:37,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 01:02:37,577 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 [2020-10-27 01:02:37,628 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 01:02:37,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 01:02:37,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 01:02:37,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 01:02:37,633 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 01:02:37,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 01:02:37,633 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 01:02:37,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 01:02:37,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 01:02:37,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 01:02:37,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 01:02:37,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 01:02:37,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 01:02:37,635 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 01:02:37,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 01:02:37,636 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 01:02:37,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 01:02:37,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 01:02:37,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 01:02:37,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 01:02:37,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 01:02:37,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 01:02:37,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 01:02:37,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 01:02:37,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 01:02:37,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 01:02:37,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 01:02:37,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 01:02:37,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 01:02:37,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 01:02:38,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 01:02:38,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 01:02:38,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 01:02:38,082 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 01:02:38,083 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 01:02:38,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2020-10-27 01:02:38,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dc3100f46/65c58e3ef4a74ddb805a1776df9371fa/FLAGf27c8d051 [2020-10-27 01:02:38,829 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 01:02:38,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2020-10-27 01:02:38,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dc3100f46/65c58e3ef4a74ddb805a1776df9371fa/FLAGf27c8d051 [2020-10-27 01:02:39,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dc3100f46/65c58e3ef4a74ddb805a1776df9371fa [2020-10-27 01:02:39,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 01:02:39,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 01:02:39,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 01:02:39,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 01:02:39,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 01:02:39,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:02:39" (1/1) ... [2020-10-27 01:02:39,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab50f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:02:39, skipping insertion in model container [2020-10-27 01:02:39,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:02:39" (1/1) ... [2020-10-27 01:02:39,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 01:02:39,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 01:02:39,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:02:39,416 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 01:02:39,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:02:39,461 INFO L208 MainTranslator]: Completed translation [2020-10-27 01:02:39,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:02:39 WrapperNode [2020-10-27 01:02:39,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 01:02:39,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 01:02:39,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 01:02:39,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 01:02:39,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:02:39" (1/1) ... [2020-10-27 01:02:39,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:02:39" (1/1) ... [2020-10-27 01:02:39,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:02:39" (1/1) ... [2020-10-27 01:02:39,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:02:39" (1/1) ... [2020-10-27 01:02:39,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:02:39" (1/1) ... [2020-10-27 01:02:39,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:02:39" (1/1) ... [2020-10-27 01:02:39,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:02:39" (1/1) ... [2020-10-27 01:02:39,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 01:02:39,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 01:02:39,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 01:02:39,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 01:02:39,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:02:39" (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 [2020-10-27 01:02:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 01:02:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 01:02:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 01:02:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-10-27 01:02:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-10-27 01:02:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2020-10-27 01:02:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 01:02:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 01:02:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 01:02:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 01:02:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 01:02:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-27 01:02:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-10-27 01:02:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-10-27 01:02:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-27 01:02:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 01:02:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 01:02:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2020-10-27 01:02:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 01:02:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 01:02:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 01:02:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 01:02:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 01:02:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-27 01:02:40,003 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 01:02:40,004 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 01:02:40,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:02:40 BoogieIcfgContainer [2020-10-27 01:02:40,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 01:02:40,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 01:02:40,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 01:02:40,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 01:02:40,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:02:39" (1/3) ... [2020-10-27 01:02:40,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2136696c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:02:40, skipping insertion in model container [2020-10-27 01:02:40,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:02:39" (2/3) ... [2020-10-27 01:02:40,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2136696c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:02:40, skipping insertion in model container [2020-10-27 01:02:40,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:02:40" (3/3) ... [2020-10-27 01:02:40,016 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1230.c [2020-10-27 01:02:40,028 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 01:02:40,033 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 01:02:40,047 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 01:02:40,082 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 01:02:40,083 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 01:02:40,083 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 01:02:40,083 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 01:02:40,083 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 01:02:40,083 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 01:02:40,084 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 01:02:40,084 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 01:02:40,111 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-10-27 01:02:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 01:02:40,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:02:40,124 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] [2020-10-27 01:02:40,124 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:02:40,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:02:40,140 INFO L82 PathProgramCache]: Analyzing trace with hash -313398800, now seen corresponding path program 1 times [2020-10-27 01:02:40,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:02:40,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687742092] [2020-10-27 01:02:40,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:02:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:40,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:40,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:40,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:40,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 01:02:40,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:02:40,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-27 01:02:40,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:02:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 01:02:40,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:02:40,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 01:02:40,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:02:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:40,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:40,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:40,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:02:40,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:40,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 01:02:40,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:40,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:02:40,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:02:40,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:02:40,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:02:41,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:02:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:41,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:41,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:41,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:41,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 01:02:41,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:02:41,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 01:02:41,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:41,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:02:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:02:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:02:41,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:02:41,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:02:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:41,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:41,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:41,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:02:41,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:41,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 01:02:41,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:02:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 01:02:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:02:41,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:02:41,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 01:02:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:41,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:41,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:41,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:02:41,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:41,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:02:41,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:41,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:02:41,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 01:02:41,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:02:41,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 01:02:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:02:41,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687742092] [2020-10-27 01:02:41,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:02:41,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 01:02:41,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362804436] [2020-10-27 01:02:41,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 01:02:41,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:02:41,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 01:02:41,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 01:02:41,229 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 4 states. [2020-10-27 01:02:41,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:02:41,457 INFO L93 Difference]: Finished difference Result 76 states and 98 transitions. [2020-10-27 01:02:41,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 01:02:41,459 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-27 01:02:41,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:02:41,469 INFO L225 Difference]: With dead ends: 76 [2020-10-27 01:02:41,470 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 01:02:41,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 01:02:41,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 01:02:41,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-27 01:02:41,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 01:02:41,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2020-10-27 01:02:41,524 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 27 [2020-10-27 01:02:41,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:02:41,525 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2020-10-27 01:02:41,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 01:02:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2020-10-27 01:02:41,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 01:02:41,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:02:41,528 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] [2020-10-27 01:02:41,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 01:02:41,528 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:02:41,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:02:41,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1555425548, now seen corresponding path program 1 times [2020-10-27 01:02:41,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:02:41,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [307814605] [2020-10-27 01:02:41,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:02:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:41,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:41,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:41,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 01:02:41,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:41,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-27 01:02:41,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:02:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 01:02:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 01:02:41,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:02:41,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:02:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:41,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:41,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:41,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:02:41,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:41,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:02:41,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:41,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:02:41,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:02:41,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:02:41,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:02:41,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:02:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:41,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:41,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:41,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 01:02:41,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:41,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 01:02:41,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:02:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 01:02:41,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 01:02:41,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:02:41,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:02:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:41,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:41,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:41,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:02:41,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:41,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 01:02:41,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:41,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:02:41,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:02:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:02:41,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:02:41,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 01:02:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:41,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:41,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:41,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:02:41,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:41,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:02:41,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:41,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:02:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 01:02:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:02:41,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:02:41,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:02:41,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [307814605] [2020-10-27 01:02:41,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:02:41,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 01:02:41,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932605216] [2020-10-27 01:02:41,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 01:02:41,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:02:41,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 01:02:41,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 01:02:41,986 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand 6 states. [2020-10-27 01:02:42,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:02:42,142 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2020-10-27 01:02:42,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 01:02:42,142 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-27 01:02:42,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:02:42,145 INFO L225 Difference]: With dead ends: 53 [2020-10-27 01:02:42,145 INFO L226 Difference]: Without dead ends: 41 [2020-10-27 01:02:42,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-27 01:02:42,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-27 01:02:42,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-27 01:02:42,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-27 01:02:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-10-27 01:02:42,159 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 28 [2020-10-27 01:02:42,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:02:42,160 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-10-27 01:02:42,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 01:02:42,160 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-10-27 01:02:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-27 01:02:42,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:02:42,162 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, 1, 1, 1] [2020-10-27 01:02:42,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 01:02:42,162 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:02:42,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:02:42,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1462218921, now seen corresponding path program 1 times [2020-10-27 01:02:42,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:02:42,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942644514] [2020-10-27 01:02:42,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:02:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:42,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:42,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:42,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 01:02:42,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:42,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 01:02:42,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:42,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:02:42,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 01:02:42,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 01:02:42,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:02:42,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:02:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:42,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:42,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:42,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:02:42,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:42,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:02:42,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:42,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:02:42,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:02:42,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:02:42,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:02:42,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:02:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:42,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:42,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:42,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 01:02:42,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:42,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 01:02:42,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:42,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:02:42,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 01:02:42,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 01:02:42,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:02:42,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:02:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:42,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:42,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:42,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 01:02:42,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:42,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 01:02:42,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:42,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:02:42,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:02:42,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:02:42,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:02:42,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 01:02:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:02:42,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:02:42,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:02:42,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:02:42,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:02:42,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:02:42,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:02:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:02:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 01:02:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:02:42,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:02:42,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:02:42,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942644514] [2020-10-27 01:02:42,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:02:42,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 01:02:42,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377794851] [2020-10-27 01:02:42,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 01:02:42,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:02:42,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 01:02:42,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 01:02:42,477 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 6 states. [2020-10-27 01:02:42,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:02:42,623 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2020-10-27 01:02:42,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 01:02:42,623 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-10-27 01:02:42,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:02:42,625 INFO L225 Difference]: With dead ends: 57 [2020-10-27 01:02:42,625 INFO L226 Difference]: Without dead ends: 45 [2020-10-27 01:02:42,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-27 01:02:42,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-27 01:02:42,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2020-10-27 01:02:42,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-27 01:02:42,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-10-27 01:02:42,636 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 31 [2020-10-27 01:02:42,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:02:42,636 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-10-27 01:02:42,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 01:02:42,636 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-10-27 01:02:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-27 01:02:42,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:02:42,638 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, 1, 1, 1] [2020-10-27 01:02:42,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 01:02:42,638 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:02:42,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:02:42,639 INFO L82 PathProgramCache]: Analyzing trace with hash 951684744, now seen corresponding path program 1 times [2020-10-27 01:02:42,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:02:42,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345935184] [2020-10-27 01:02:42,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:02:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 01:02:42,657 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 01:02:42,657 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 01:02:42,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 01:02:42,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 01:02:42 BoogieIcfgContainer [2020-10-27 01:02:42,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 01:02:42,681 INFO L168 Benchmark]: Toolchain (without parser) took 3505.49 ms. Allocated memory was 168.8 MB in the beginning and 203.4 MB in the end (delta: 34.6 MB). Free memory was 145.4 MB in the beginning and 108.0 MB in the end (delta: 37.3 MB). Peak memory consumption was 72.4 MB. Max. memory is 8.0 GB. [2020-10-27 01:02:42,682 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 125.8 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 01:02:42,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.39 ms. Allocated memory is still 168.8 MB. Free memory was 144.8 MB in the beginning and 134.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-27 01:02:42,684 INFO L168 Benchmark]: Boogie Preprocessor took 44.17 ms. Allocated memory is still 168.8 MB. Free memory was 134.6 MB in the beginning and 132.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 01:02:42,685 INFO L168 Benchmark]: RCFGBuilder took 498.20 ms. Allocated memory is still 168.8 MB. Free memory was 132.8 MB in the beginning and 144.2 MB in the end (delta: -11.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 8.0 GB. [2020-10-27 01:02:42,685 INFO L168 Benchmark]: TraceAbstraction took 2670.50 ms. Allocated memory was 168.8 MB in the beginning and 203.4 MB in the end (delta: 34.6 MB). Free memory was 143.7 MB in the beginning and 108.0 MB in the end (delta: 35.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 8.0 GB. [2020-10-27 01:02:42,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 125.8 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 266.39 ms. Allocated memory is still 168.8 MB. Free memory was 144.8 MB in the beginning and 134.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 44.17 ms. Allocated memory is still 168.8 MB. Free memory was 134.6 MB in the beginning and 132.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 498.20 ms. Allocated memory is still 168.8 MB. Free memory was 132.8 MB in the beginning and 144.2 MB in the end (delta: -11.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2670.50 ms. Allocated memory was 168.8 MB in the beginning and 203.4 MB in the end (delta: 34.6 MB). Free memory was 143.7 MB in the beginning and 108.0 MB in the end (delta: 35.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 63. Possible FailurePath: [L63] double x = 0.0 / 0.0; [L64] double y = 0.0 / 0.0; [L65] CALL, EXPR fmin_double(x, y) [L47] CALL, EXPR __fpclassify_double(x) [L20] __uint32_t msw, lsw; [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L29-L30] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L32-L33] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L35-L36] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L39-L40] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L43] return 0; [L47] RET, EXPR __fpclassify_double(x) [L47] COND TRUE __fpclassify_double(x) == 0 [L48] return y; [L65] RET, EXPR fmin_double(x, y) [L65] double res = fmin_double(x, y); [L67] CALL, EXPR isnan_double(res) [L18] return x != x; [L67] RET, EXPR isnan_double(res) [L67] COND TRUE !isnan_double(res) [L68] CALL reach_error() [L3] __assert_fail("0", "double_req_bl_1230.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 36 SDslu, 210 SDs, 0 SdLazy, 163 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 7243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...