/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1250.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 10:20:24,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:20:24,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:20:24,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:20:24,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:20:24,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:20:24,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:20:24,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:20:24,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:20:24,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:20:24,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:20:24,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:20:24,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:20:24,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:20:24,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:20:24,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:20:24,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:20:24,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:20:24,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:20:24,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:20:24,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:20:24,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:20:24,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:20:24,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:20:24,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:20:24,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:20:24,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:20:24,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:20:24,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:20:24,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:20:24,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:20:24,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:20:24,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:20:24,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:20:24,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:20:24,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:20:24,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:20:24,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:20:24,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:20:24,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:20:24,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:20:24,593 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 [2020-10-13 10:20:24,637 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:20:24,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:20:24,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:20:24,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:20:24,639 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:20:24,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:20:24,640 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:20:24,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:20:24,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:20:24,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:20:24,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:20:24,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:20:24,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:20:24,642 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:20:24,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:20:24,643 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:20:24,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:20:24,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:20:24,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:20:24,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:20:24,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:20:24,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:20:24,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:20:24,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:20:24,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:20:24,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:20:24,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:20:24,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:20:24,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:20:24,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 10:20:24,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:20:24,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:20:24,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:20:24,968 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:20:24,968 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:20:24,969 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1250.c [2020-10-13 10:20:25,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58b4c5ff0/326c021dcc2240c9a6703618d969892f/FLAG04dd782a3 [2020-10-13 10:20:25,440 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:20:25,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_1250.c [2020-10-13 10:20:25,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58b4c5ff0/326c021dcc2240c9a6703618d969892f/FLAG04dd782a3 [2020-10-13 10:20:25,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/58b4c5ff0/326c021dcc2240c9a6703618d969892f [2020-10-13 10:20:25,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:20:25,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:20:25,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:20:25,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:20:25,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:20:25,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:20:25" (1/1) ... [2020-10-13 10:20:25,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ce1d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:25, skipping insertion in model container [2020-10-13 10:20:25,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:20:25" (1/1) ... [2020-10-13 10:20:25,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:20:25,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:20:26,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:20:26,059 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:20:26,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:20:26,104 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:20:26,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:26 WrapperNode [2020-10-13 10:20:26,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:20:26,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:20:26,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:20:26,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:20:26,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:26" (1/1) ... [2020-10-13 10:20:26,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:26" (1/1) ... [2020-10-13 10:20:26,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:26" (1/1) ... [2020-10-13 10:20:26,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:26" (1/1) ... [2020-10-13 10:20:26,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:26" (1/1) ... [2020-10-13 10:20:26,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:26" (1/1) ... [2020-10-13 10:20:26,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:26" (1/1) ... [2020-10-13 10:20:26,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:20:26,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:20:26,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:20:26,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:20:26,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:26" (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 [2020-10-13 10:20:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:20:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:20:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2020-10-13 10:20:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_float [2020-10-13 10:20:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-10-13 10:20:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:20:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:20:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2020-10-13 10:20:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 10:20:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-13 10:20:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 10:20:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 10:20:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_float [2020-10-13 10:20:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-10-13 10:20:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:20:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:20:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:20:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 10:20:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-13 10:20:26,583 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:20:26,584 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-13 10:20:26,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:20:26 BoogieIcfgContainer [2020-10-13 10:20:26,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:20:26,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:20:26,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:20:26,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:20:26,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:20:25" (1/3) ... [2020-10-13 10:20:26,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e680694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:20:26, skipping insertion in model container [2020-10-13 10:20:26,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:20:26" (2/3) ... [2020-10-13 10:20:26,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e680694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:20:26, skipping insertion in model container [2020-10-13 10:20:26,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:20:26" (3/3) ... [2020-10-13 10:20:26,598 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1250.c [2020-10-13 10:20:26,613 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:20:26,621 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 10:20:26,637 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 10:20:26,679 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:20:26,680 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:20:26,680 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:20:26,680 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:20:26,680 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:20:26,680 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:20:26,680 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:20:26,681 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:20:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-10-13 10:20:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-13 10:20:26,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:20:26,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:20:26,719 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:20:26,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:20:26,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1130060244, now seen corresponding path program 1 times [2020-10-13 10:20:26,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:20:26,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795744017] [2020-10-13 10:20:26,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:20:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:26,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:26,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:27,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:27,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 10:20:27,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:20:27,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-13 10:20:27,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:27,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:27,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 10:20:27,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:27,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 10:20:27,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:20:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:27,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:27,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:27,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:20:27,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:27,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:20:27,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:27,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:27,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:20:27,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:27,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:20:27,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:20:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:27,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:27,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:27,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:27,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 10:20:27,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 10:20:27,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 10:20:27,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:27,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 10:20:27,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:27,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:20:27,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:20:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:27,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:27,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:27,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 10:20:27,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:27,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:20:27,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:20:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:27,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:20:27,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:20:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:27,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:27,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:27,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:20:27,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:27,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:20:27,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:27,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:27,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:20:27,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:27,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:20:27,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795744017] [2020-10-13 10:20:27,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:20:27,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 10:20:27,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426028390] [2020-10-13 10:20:27,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 10:20:27,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:20:27,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 10:20:27,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 10:20:27,515 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2020-10-13 10:20:27,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:20:27,704 INFO L93 Difference]: Finished difference Result 71 states and 92 transitions. [2020-10-13 10:20:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 10:20:27,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-13 10:20:27,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:20:27,717 INFO L225 Difference]: With dead ends: 71 [2020-10-13 10:20:27,717 INFO L226 Difference]: Without dead ends: 36 [2020-10-13 10:20:27,721 INFO L675 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 [2020-10-13 10:20:27,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-13 10:20:27,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-10-13 10:20:27,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-13 10:20:27,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2020-10-13 10:20:27,772 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 26 [2020-10-13 10:20:27,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:20:27,772 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2020-10-13 10:20:27,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 10:20:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2020-10-13 10:20:27,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-13 10:20:27,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:20:27,775 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] [2020-10-13 10:20:27,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:20:27,776 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:20:27,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:20:27,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1283143896, now seen corresponding path program 1 times [2020-10-13 10:20:27,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:20:27,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463058679] [2020-10-13 10:20:27,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:20:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:27,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:27,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:27,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 10:20:27,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:27,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 10:20:27,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:20:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 10:20:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:20:27,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:27,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:20:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:27,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:27,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:27,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:20:27,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:20:27,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:20:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:27,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:27,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:20:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:27,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:27,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:27,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 10:20:27,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:27,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 10:20:27,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:20:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 10:20:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:20:27,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:20:28,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:20:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:28,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:28,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:28,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 10:20:28,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:28,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 10:20:28,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:20:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:20:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 10:20:28,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:28,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:20:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:28,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:28,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:28,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:20:28,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:20:28,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:28,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:28,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:20:28,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:28,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:20:28,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1463058679] [2020-10-13 10:20:28,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:20:28,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 10:20:28,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472064774] [2020-10-13 10:20:28,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 10:20:28,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:20:28,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 10:20:28,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 10:20:28,088 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. Second operand 6 states. [2020-10-13 10:20:28,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:20:28,287 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2020-10-13 10:20:28,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 10:20:28,287 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-10-13 10:20:28,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:20:28,290 INFO L225 Difference]: With dead ends: 51 [2020-10-13 10:20:28,291 INFO L226 Difference]: Without dead ends: 40 [2020-10-13 10:20:28,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:20:28,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-13 10:20:28,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-13 10:20:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-13 10:20:28,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2020-10-13 10:20:28,303 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 27 [2020-10-13 10:20:28,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:20:28,304 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-10-13 10:20:28,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 10:20:28,304 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2020-10-13 10:20:28,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-13 10:20:28,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:20:28,306 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] [2020-10-13 10:20:28,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:20:28,306 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:20:28,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:20:28,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1612228015, now seen corresponding path program 1 times [2020-10-13 10:20:28,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:20:28,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101796607] [2020-10-13 10:20:28,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:20:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:28,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:28,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:28,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 10:20:28,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:28,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 10:20:28,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:20:28,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 10:20:28,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:20:28,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:28,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:20:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:28,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:28,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:28,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:20:28,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:28,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:20:28,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:28,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:28,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:20:28,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:28,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:28,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:20:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:28,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:28,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:28,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:20:28,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:28,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 10:20:28,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:20:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:20:28,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:20:28,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:20:28,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:20:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:28,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:28,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:28,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:20:28,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:28,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 10:20:28,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:20:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:20:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 10:20:28,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:20:28,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 10:20:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:28,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:28,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:28,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:20:28,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:28,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:20:28,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:28,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:20:28,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:28,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:20:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:20:28,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101796607] [2020-10-13 10:20:28,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:20:28,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 10:20:28,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20805038] [2020-10-13 10:20:28,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 10:20:28,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:20:28,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 10:20:28,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 10:20:28,559 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 6 states. [2020-10-13 10:20:28,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:20:28,779 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2020-10-13 10:20:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 10:20:28,780 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-10-13 10:20:28,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:20:28,782 INFO L225 Difference]: With dead ends: 55 [2020-10-13 10:20:28,782 INFO L226 Difference]: Without dead ends: 44 [2020-10-13 10:20:28,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:20:28,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-13 10:20:28,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2020-10-13 10:20:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-13 10:20:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2020-10-13 10:20:28,792 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 28 [2020-10-13 10:20:28,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:20:28,792 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-10-13 10:20:28,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 10:20:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2020-10-13 10:20:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-13 10:20:28,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:20:28,794 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] [2020-10-13 10:20:28,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 10:20:28,794 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:20:28,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:20:28,795 INFO L82 PathProgramCache]: Analyzing trace with hash 664173756, now seen corresponding path program 1 times [2020-10-13 10:20:28,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:20:28,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664907536] [2020-10-13 10:20:28,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:20:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:28,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:28,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:28,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 10:20:28,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:28,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 10:20:28,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:28,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:20:28,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-13 10:20:28,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:20:28,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:28,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:20:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:28,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:28,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:28,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:20:28,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:28,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:20:28,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:20:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:28,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:28,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:20:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:28,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:28,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:28,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 10:20:28,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:28,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 10:20:28,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:20:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 10:20:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:20:28,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:29,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:20:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:29,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:29,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:29,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 10:20:29,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:29,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 10:20:29,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:20:29,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:20:29,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 10:20:29,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:29,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 10:20:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:29,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:29,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:29,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:20:29,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:29,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:20:29,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:20:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:29,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:29,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:20:29,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664907536] [2020-10-13 10:20:29,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:20:29,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 10:20:29,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007499208] [2020-10-13 10:20:29,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 10:20:29,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:20:29,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 10:20:29,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 10:20:29,096 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 6 states. [2020-10-13 10:20:29,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:20:29,300 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2020-10-13 10:20:29,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 10:20:29,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-10-13 10:20:29,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:20:29,302 INFO L225 Difference]: With dead ends: 59 [2020-10-13 10:20:29,302 INFO L226 Difference]: Without dead ends: 48 [2020-10-13 10:20:29,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:20:29,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-13 10:20:29,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 40. [2020-10-13 10:20:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-13 10:20:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2020-10-13 10:20:29,311 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 29 [2020-10-13 10:20:29,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:20:29,312 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-10-13 10:20:29,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 10:20:29,312 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2020-10-13 10:20:29,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-13 10:20:29,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:20:29,313 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] [2020-10-13 10:20:29,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 10:20:29,314 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:20:29,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:20:29,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1220464557, now seen corresponding path program 1 times [2020-10-13 10:20:29,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:20:29,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519444922] [2020-10-13 10:20:29,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:20:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:29,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:29,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:29,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 10:20:29,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:29,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 10:20:29,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:20:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 10:20:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:20:29,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:29,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:20:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:29,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:29,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:29,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:20:29,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:29,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:20:29,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:29,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:29,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:20:29,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:29,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:29,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:20:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:29,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:29,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:29,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 10:20:29,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:29,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 10:20:29,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:29,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:20:29,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 10:20:29,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 10:20:29,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:29,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 10:20:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:29,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:29,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:29,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 10:20:29,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:29,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 10:20:29,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 10:20:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:20:29,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:20:29,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:29,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:20:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:20:29,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:20:29,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:20:29,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:20:29,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:20:29,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:20:29,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:20:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:20:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:20:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:20:29,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:20:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:20:29,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519444922] [2020-10-13 10:20:29,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:20:29,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 10:20:29,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565304883] [2020-10-13 10:20:29,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 10:20:29,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:20:29,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 10:20:29,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 10:20:29,534 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 6 states. [2020-10-13 10:20:29,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:20:29,746 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2020-10-13 10:20:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 10:20:29,747 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-10-13 10:20:29,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:20:29,749 INFO L225 Difference]: With dead ends: 55 [2020-10-13 10:20:29,749 INFO L226 Difference]: Without dead ends: 44 [2020-10-13 10:20:29,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:20:29,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-13 10:20:29,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2020-10-13 10:20:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-13 10:20:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2020-10-13 10:20:29,757 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 30 [2020-10-13 10:20:29,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:20:29,757 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-10-13 10:20:29,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 10:20:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2020-10-13 10:20:29,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-13 10:20:29,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:20:29,759 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] [2020-10-13 10:20:29,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 10:20:29,760 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:20:29,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:20:29,760 INFO L82 PathProgramCache]: Analyzing trace with hash 287087252, now seen corresponding path program 1 times [2020-10-13 10:20:29,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:20:29,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579362592] [2020-10-13 10:20:29,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:20:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 10:20:29,774 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 10:20:29,774 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 10:20:29,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 10:20:29,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:20:29 BoogieIcfgContainer [2020-10-13 10:20:29,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 10:20:29,802 INFO L168 Benchmark]: Toolchain (without parser) took 3986.64 ms. Allocated memory was 141.0 MB in the beginning and 243.3 MB in the end (delta: 102.2 MB). Free memory was 104.3 MB in the beginning and 167.8 MB in the end (delta: -63.5 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2020-10-13 10:20:29,803 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 10:20:29,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.62 ms. Allocated memory is still 141.0 MB. Free memory was 103.9 MB in the beginning and 93.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-10-13 10:20:29,805 INFO L168 Benchmark]: Boogie Preprocessor took 130.33 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 93.2 MB in the beginning and 181.3 MB in the end (delta: -88.1 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-10-13 10:20:29,809 INFO L168 Benchmark]: RCFGBuilder took 353.46 ms. Allocated memory is still 203.9 MB. Free memory was 181.3 MB in the beginning and 162.5 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2020-10-13 10:20:29,810 INFO L168 Benchmark]: TraceAbstraction took 3207.37 ms. Allocated memory was 203.9 MB in the beginning and 243.3 MB in the end (delta: 39.3 MB). Free memory was 162.5 MB in the beginning and 167.8 MB in the end (delta: -5.3 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2020-10-13 10:20:29,814 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.62 ms. Allocated memory is still 141.0 MB. Free memory was 103.9 MB in the beginning and 93.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.33 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 93.2 MB in the beginning and 181.3 MB in the end (delta: -88.1 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 353.46 ms. Allocated memory is still 203.9 MB. Free memory was 181.3 MB in the beginning and 162.5 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3207.37 ms. Allocated memory was 203.9 MB in the beginning and 243.3 MB in the end (delta: 39.3 MB). Free memory was 162.5 MB in the beginning and 167.8 MB in the end (delta: -5.3 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 65]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryArithmeticFLOAToperation at line 60. Possible FailurePath: [L60] float x = 0.0f / 0.0f; [L61] float y = 0.0f / 0.0f; [L62] CALL, EXPR fmax_float(x, y) [L43] CALL, EXPR __fpclassify_float(x) [L20] __uint32_t w; [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (w) = gf_u.word [L28] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L30-L31] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L33-L34] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L36] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L39] return 0; [L43] RET, EXPR __fpclassify_float(x) [L43] COND TRUE __fpclassify_float(x) == 0 [L44] return y; [L62] RET, EXPR fmax_float(x, y) [L62] float res = fmax_float(x, y); [L64] CALL, EXPR isnan_float(res) [L54] return x != x; [L64] RET, EXPR isnan_float(res) [L64] COND TRUE !isnan_float(res) [L65] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 190 SDtfs, 174 SDslu, 81 SDs, 0 SdLazy, 519 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 9198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...