/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/eca-rers2012/Problem10_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 11:58:18,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 11:58:18,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 11:58:18,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 11:58:18,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 11:58:18,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 11:58:18,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 11:58:18,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 11:58:18,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 11:58:18,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 11:58:18,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 11:58:18,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 11:58:18,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 11:58:18,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 11:58:18,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 11:58:18,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 11:58:18,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 11:58:18,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 11:58:18,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 11:58:18,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 11:58:18,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 11:58:18,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 11:58:18,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 11:58:18,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 11:58:18,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 11:58:18,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 11:58:18,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 11:58:18,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 11:58:18,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 11:58:18,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 11:58:18,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 11:58:18,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 11:58:18,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 11:58:18,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 11:58:18,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 11:58:18,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 11:58:18,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 11:58:18,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 11:58:18,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 11:58:18,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 11:58:18,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 11:58:18,755 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 [2020-10-28 11:58:18,811 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 11:58:18,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 11:58:18,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 11:58:18,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 11:58:18,816 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 11:58:18,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 11:58:18,817 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 11:58:18,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 11:58:18,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 11:58:18,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 11:58:18,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 11:58:18,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 11:58:18,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 11:58:18,819 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 11:58:18,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 11:58:18,820 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 11:58:18,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 11:58:18,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 11:58:18,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 11:58:18,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 11:58:18,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 11:58:18,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:58:18,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 11:58:18,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 11:58:18,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 11:58:18,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 11:58:18,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 11:58:18,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 11:58:18,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 11:58:18,822 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 11:58:19,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 11:58:19,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 11:58:19,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 11:58:19,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 11:58:19,220 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 11:58:19,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label13.c [2020-10-28 11:58:19,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca6c4bd31/951d087a252e43139830ec919a6874c4/FLAG85a022026 [2020-10-28 11:58:20,010 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 11:58:20,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label13.c [2020-10-28 11:58:20,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca6c4bd31/951d087a252e43139830ec919a6874c4/FLAG85a022026 [2020-10-28 11:58:20,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca6c4bd31/951d087a252e43139830ec919a6874c4 [2020-10-28 11:58:20,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 11:58:20,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 11:58:20,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 11:58:20,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 11:58:20,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 11:58:20,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:20" (1/1) ... [2020-10-28 11:58:20,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b36651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:20, skipping insertion in model container [2020-10-28 11:58:20,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:20" (1/1) ... [2020-10-28 11:58:20,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 11:58:20,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 11:58:20,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:58:20,743 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 11:58:20,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:58:20,845 INFO L208 MainTranslator]: Completed translation [2020-10-28 11:58:20,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:20 WrapperNode [2020-10-28 11:58:20,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 11:58:20,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 11:58:20,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 11:58:20,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 11:58:20,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:20" (1/1) ... [2020-10-28 11:58:20,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:20" (1/1) ... [2020-10-28 11:58:20,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:20" (1/1) ... [2020-10-28 11:58:20,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:20" (1/1) ... [2020-10-28 11:58:20,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:20" (1/1) ... [2020-10-28 11:58:20,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:20" (1/1) ... [2020-10-28 11:58:20,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:20" (1/1) ... [2020-10-28 11:58:21,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 11:58:21,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 11:58:21,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 11:58:21,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 11:58:21,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:20" (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 [2020-10-28 11:58:21,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 11:58:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 11:58:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 11:58:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 11:58:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 11:58:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 11:58:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 11:58:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 11:58:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 11:58:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 11:58:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 11:58:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 11:58:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 11:58:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 11:58:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 11:58:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 11:58:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 11:58:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 11:58:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 11:58:22,501 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 11:58:22,501 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 11:58:22,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:22 BoogieIcfgContainer [2020-10-28 11:58:22,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 11:58:22,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 11:58:22,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 11:58:22,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 11:58:22,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:58:20" (1/3) ... [2020-10-28 11:58:22,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60dddae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:22, skipping insertion in model container [2020-10-28 11:58:22,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:20" (2/3) ... [2020-10-28 11:58:22,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60dddae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:22, skipping insertion in model container [2020-10-28 11:58:22,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:22" (3/3) ... [2020-10-28 11:58:22,513 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label13.c [2020-10-28 11:58:22,526 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 11:58:22,533 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 11:58:22,560 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 11:58:22,626 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 11:58:22,627 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 11:58:22,627 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 11:58:22,627 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 11:58:22,627 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 11:58:22,627 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 11:58:22,627 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 11:58:22,627 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 11:58:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 11:58:22,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-28 11:58:22,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:22,708 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, 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] [2020-10-28 11:58:22,708 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:22,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:22,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1000492548, now seen corresponding path program 1 times [2020-10-28 11:58:22,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:22,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144905914] [2020-10-28 11:58:22,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:23,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:23,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:23,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-28 11:58:23,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:23,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-10-28 11:58:23,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:23,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:23,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:23,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:23,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-28 11:58:23,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 11:58:23,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:23,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:23,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:23,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:23,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:23,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 11:58:23,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:23,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:23,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:23,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144905914] [2020-10-28 11:58:23,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:58:23,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 11:58:23,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784163887] [2020-10-28 11:58:23,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 11:58:23,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:23,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 11:58:23,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 11:58:23,869 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-28 11:58:25,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:25,572 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-28 11:58:25,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:25,574 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2020-10-28 11:58:25,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:25,588 INFO L225 Difference]: With dead ends: 586 [2020-10-28 11:58:25,589 INFO L226 Difference]: Without dead ends: 303 [2020-10-28 11:58:25,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:25,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-28 11:58:25,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-28 11:58:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-28 11:58:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-28 11:58:25,670 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 62 [2020-10-28 11:58:25,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:25,671 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-28 11:58:25,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 11:58:25,671 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-28 11:58:25,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 11:58:25,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:25,679 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:25,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 11:58:25,679 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:25,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:25,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1860246556, now seen corresponding path program 1 times [2020-10-28 11:58:25,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:25,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473990629] [2020-10-28 11:58:25,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:25,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:26,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:26,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:26,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:26,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-28 11:58:26,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:26,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1233 [2020-10-28 11:58:26,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:26,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 11:58:26,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:27,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:27,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:27,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:27,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:27,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 11:58:27,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:27,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:27,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:27,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:27,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:27,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:27,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:27,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:27,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:58:27,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:27,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-28 11:58:27,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:27,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 11:58:27,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:27,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473990629] [2020-10-28 11:58:27,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:58:27,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 11:58:27,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879490265] [2020-10-28 11:58:27,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:27,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:27,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:27,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:27,391 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 7 states. [2020-10-28 11:58:29,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:29,335 INFO L93 Difference]: Finished difference Result 914 states and 1340 transitions. [2020-10-28 11:58:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:58:29,337 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 134 [2020-10-28 11:58:29,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:29,350 INFO L225 Difference]: With dead ends: 914 [2020-10-28 11:58:29,350 INFO L226 Difference]: Without dead ends: 623 [2020-10-28 11:58:29,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:58:29,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-10-28 11:58:29,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 597. [2020-10-28 11:58:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-28 11:58:29,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 767 transitions. [2020-10-28 11:58:29,442 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 767 transitions. Word has length 134 [2020-10-28 11:58:29,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:29,442 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 767 transitions. [2020-10-28 11:58:29,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:29,443 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 767 transitions. [2020-10-28 11:58:29,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-28 11:58:29,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:29,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:29,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 11:58:29,451 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:29,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:29,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1623970216, now seen corresponding path program 1 times [2020-10-28 11:58:29,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:29,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [312148266] [2020-10-28 11:58:29,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:29,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:29,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:29,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:29,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-28 11:58:29,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-28 11:58:29,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:29,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:29,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:29,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:58:29,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 11:58:29,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:30,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:30,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:30,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:30,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:30,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:30,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:58:30,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:30,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:30,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:30,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:30,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:30,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:30,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:30,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:30,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:30,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:58:30,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:30,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-28 11:58:30,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:30,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:30,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:30,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:30,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [312148266] [2020-10-28 11:58:30,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:30,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:58:30,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142610274] [2020-10-28 11:58:30,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:58:30,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:30,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:58:30,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:30,250 INFO L87 Difference]: Start difference. First operand 597 states and 767 transitions. Second operand 5 states. [2020-10-28 11:58:31,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:31,786 INFO L93 Difference]: Finished difference Result 898 states and 1190 transitions. [2020-10-28 11:58:31,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:31,787 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-28 11:58:31,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:31,793 INFO L225 Difference]: With dead ends: 898 [2020-10-28 11:58:31,794 INFO L226 Difference]: Without dead ends: 895 [2020-10-28 11:58:31,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:31,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2020-10-28 11:58:31,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 746. [2020-10-28 11:58:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-28 11:58:31,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1006 transitions. [2020-10-28 11:58:31,845 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1006 transitions. Word has length 141 [2020-10-28 11:58:31,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:31,848 INFO L481 AbstractCegarLoop]: Abstraction has 746 states and 1006 transitions. [2020-10-28 11:58:31,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1006 transitions. [2020-10-28 11:58:31,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-28 11:58:31,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:31,865 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:31,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 11:58:31,865 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:31,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:31,866 INFO L82 PathProgramCache]: Analyzing trace with hash 284554932, now seen corresponding path program 1 times [2020-10-28 11:58:31,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:31,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61977441] [2020-10-28 11:58:31,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:31,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:32,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:32,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:33,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:33,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-28 11:58:33,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:33,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1671 [2020-10-28 11:58:33,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:33,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:58:33,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:33,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:33,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:33,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:33,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:33,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:33,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 11:58:33,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:33,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:33,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:33,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:33,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:33,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:33,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:33,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:33,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:33,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:33,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:33,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 11:58:33,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:33,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:33,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:33,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:33,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:33,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:58:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:33,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:34,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:34,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:58:34,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:34,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-28 11:58:34,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:34,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:34,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:34,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:34,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:58:34,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:34,123 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:34,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61977441] [2020-10-28 11:58:34,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:34,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:34,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956639635] [2020-10-28 11:58:34,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:34,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:34,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:34,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:34,127 INFO L87 Difference]: Start difference. First operand 746 states and 1006 transitions. Second operand 7 states. [2020-10-28 11:58:36,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:36,229 INFO L93 Difference]: Finished difference Result 1959 states and 2769 transitions. [2020-10-28 11:58:36,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:58:36,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2020-10-28 11:58:36,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:36,237 INFO L225 Difference]: With dead ends: 1959 [2020-10-28 11:58:36,238 INFO L226 Difference]: Without dead ends: 1219 [2020-10-28 11:58:36,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:58:36,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2020-10-28 11:58:36,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 903. [2020-10-28 11:58:36,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2020-10-28 11:58:36,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1189 transitions. [2020-10-28 11:58:36,280 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1189 transitions. Word has length 214 [2020-10-28 11:58:36,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:36,280 INFO L481 AbstractCegarLoop]: Abstraction has 903 states and 1189 transitions. [2020-10-28 11:58:36,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1189 transitions. [2020-10-28 11:58:36,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-28 11:58:36,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:36,285 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:36,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 11:58:36,286 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:36,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:36,286 INFO L82 PathProgramCache]: Analyzing trace with hash 95154168, now seen corresponding path program 1 times [2020-10-28 11:58:36,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:36,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440395181] [2020-10-28 11:58:36,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:36,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:36,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:36,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:39,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:41,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:41,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-28 11:58:41,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:41,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 11:58:41,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:41,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-28 11:58:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:58:41,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:41,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:41,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:41,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:41,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:41,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:41,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:58:41,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:41,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:41,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:41,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:41,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:41,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:41,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:41,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:41,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:41,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:58:41,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:41,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-28 11:58:41,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:41,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 11:58:41,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:41,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 11:58:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:41,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:41,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:41,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:58:41,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:41,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-28 11:58:41,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:41,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:41,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:41,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:41,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:58:41,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:41,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440395181] [2020-10-28 11:58:41,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:41,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:41,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910701810] [2020-10-28 11:58:41,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:41,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:41,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:41,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:41,863 INFO L87 Difference]: Start difference. First operand 903 states and 1189 transitions. Second operand 7 states. [2020-10-28 11:58:43,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:43,717 INFO L93 Difference]: Finished difference Result 2261 states and 3142 transitions. [2020-10-28 11:58:43,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:43,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 221 [2020-10-28 11:58:43,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:43,729 INFO L225 Difference]: With dead ends: 2261 [2020-10-28 11:58:43,729 INFO L226 Difference]: Without dead ends: 1364 [2020-10-28 11:58:43,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:58:43,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2020-10-28 11:58:43,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1350. [2020-10-28 11:58:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2020-10-28 11:58:43,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1882 transitions. [2020-10-28 11:58:43,785 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1882 transitions. Word has length 221 [2020-10-28 11:58:43,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:43,785 INFO L481 AbstractCegarLoop]: Abstraction has 1350 states and 1882 transitions. [2020-10-28 11:58:43,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1882 transitions. [2020-10-28 11:58:43,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-28 11:58:43,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:43,791 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:43,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 11:58:43,791 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:43,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:43,791 INFO L82 PathProgramCache]: Analyzing trace with hash 2141191140, now seen corresponding path program 1 times [2020-10-28 11:58:43,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:43,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [257671510] [2020-10-28 11:58:43,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:43,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:43,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:44,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:46,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:48,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:48,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-28 11:58:48,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4429 [2020-10-28 11:58:48,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:48,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 11:58:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:48,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:48,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:48,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:48,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:48,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:48,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 11:58:48,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:48,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:48,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:48,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:48,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:48,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:48,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:48,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:48,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:48,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:58:48,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:48,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-28 11:58:48,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:48,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:48,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:58:48,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:48,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 11:58:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:48,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:48,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:48,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:58:48,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:48,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 11:58:48,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:48,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:48,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 108 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 11:58:48,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [257671510] [2020-10-28 11:58:48,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:48,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:48,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896091630] [2020-10-28 11:58:48,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:48,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:48,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:48,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:48,728 INFO L87 Difference]: Start difference. First operand 1350 states and 1882 transitions. Second operand 7 states. [2020-10-28 11:58:50,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:50,389 INFO L93 Difference]: Finished difference Result 2865 states and 3993 transitions. [2020-10-28 11:58:50,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 11:58:50,390 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-28 11:58:50,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:50,400 INFO L225 Difference]: With dead ends: 2865 [2020-10-28 11:58:50,400 INFO L226 Difference]: Without dead ends: 1521 [2020-10-28 11:58:50,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 11:58:50,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2020-10-28 11:58:50,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1501. [2020-10-28 11:58:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1501 states. [2020-10-28 11:58:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 2057 transitions. [2020-10-28 11:58:50,459 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 2057 transitions. Word has length 231 [2020-10-28 11:58:50,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:50,460 INFO L481 AbstractCegarLoop]: Abstraction has 1501 states and 2057 transitions. [2020-10-28 11:58:50,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:50,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 2057 transitions. [2020-10-28 11:58:50,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-28 11:58:50,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:50,466 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:50,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 11:58:50,467 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:50,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:50,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1869218100, now seen corresponding path program 1 times [2020-10-28 11:58:50,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:50,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1185294535] [2020-10-28 11:58:50,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:50,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:50,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:50,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:51,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:52,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:52,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-28 11:58:52,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:52,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2105 [2020-10-28 11:58:52,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:52,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:52,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:52,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:58:52,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-28 11:58:52,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:52,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:52,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:52,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:52,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:52,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:52,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:58:52,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:52,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:52,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:52,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:52,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:52,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:52,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:58:52,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:52,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 11:58:52,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:52,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:52,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:52,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:52,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:52,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:52,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 11:58:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:52,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:53,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:53,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:58:53,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:53,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-28 11:58:53,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:53,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:53,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:53,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:53,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 11:58:53,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:53,279 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:53,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1185294535] [2020-10-28 11:58:53,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:53,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:53,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113495354] [2020-10-28 11:58:53,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:53,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:53,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:53,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:53,283 INFO L87 Difference]: Start difference. First operand 1501 states and 2057 transitions. Second operand 7 states. [2020-10-28 11:58:55,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:55,885 INFO L93 Difference]: Finished difference Result 3733 states and 5150 transitions. [2020-10-28 11:58:55,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 11:58:55,891 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 260 [2020-10-28 11:58:55,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:55,901 INFO L225 Difference]: With dead ends: 3733 [2020-10-28 11:58:55,901 INFO L226 Difference]: Without dead ends: 1789 [2020-10-28 11:58:55,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:55,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1789 states. [2020-10-28 11:58:55,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1789 to 1348. [2020-10-28 11:58:55,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1348 states. [2020-10-28 11:58:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1741 transitions. [2020-10-28 11:58:55,956 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1741 transitions. Word has length 260 [2020-10-28 11:58:55,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:55,957 INFO L481 AbstractCegarLoop]: Abstraction has 1348 states and 1741 transitions. [2020-10-28 11:58:55,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1741 transitions. [2020-10-28 11:58:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-10-28 11:58:55,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:55,963 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:55,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 11:58:55,963 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:55,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:55,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1611402364, now seen corresponding path program 1 times [2020-10-28 11:58:55,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:55,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1708168175] [2020-10-28 11:58:55,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:56,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:56,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:57,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:58,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:58,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-28 11:58:58,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:58,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2163 [2020-10-28 11:58:58,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:58,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 11:58:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-28 11:58:58,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:58,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:58,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:58,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:58,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:58,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:58,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:58:58,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:58,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:58,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:58,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:58,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:58,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:58,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:58:58,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:58,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-28 11:58:58,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:58,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:58,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:58,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:58,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 11:58:58,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:58,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:58:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:58,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:58,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:58,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:58:58,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-28 11:58:58,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:58,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 11:58:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:58,978 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 220 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:58,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1708168175] [2020-10-28 11:58:58,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:58,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:58,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775735401] [2020-10-28 11:58:58,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:58,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:58,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:58,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:58,980 INFO L87 Difference]: Start difference. First operand 1348 states and 1741 transitions. Second operand 7 states. [2020-10-28 11:59:00,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:00,687 INFO L93 Difference]: Finished difference Result 2859 states and 3813 transitions. [2020-10-28 11:59:00,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:59:00,688 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 296 [2020-10-28 11:59:00,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:00,697 INFO L225 Difference]: With dead ends: 2859 [2020-10-28 11:59:00,697 INFO L226 Difference]: Without dead ends: 1660 [2020-10-28 11:59:00,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:59:00,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2020-10-28 11:59:00,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1646. [2020-10-28 11:59:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2020-10-28 11:59:00,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2112 transitions. [2020-10-28 11:59:00,758 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2112 transitions. Word has length 296 [2020-10-28 11:59:00,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:00,759 INFO L481 AbstractCegarLoop]: Abstraction has 1646 states and 2112 transitions. [2020-10-28 11:59:00,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:00,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2112 transitions. [2020-10-28 11:59:00,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-10-28 11:59:00,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:00,768 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:00,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 11:59:00,769 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:00,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:00,769 INFO L82 PathProgramCache]: Analyzing trace with hash 945810188, now seen corresponding path program 1 times [2020-10-28 11:59:00,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:00,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1810613783] [2020-10-28 11:59:00,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:00,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:00,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:01,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:02,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:05,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:05,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 389 [2020-10-28 11:59:05,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:59:05,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-28 11:59:05,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:05,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-28 11:59:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-28 11:59:05,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:06,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:06,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:06,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:06,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:06,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:06,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:59:06,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:06,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:06,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:06,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:06,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:06,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:06,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:59:06,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:06,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 11:59:06,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:06,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:06,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:06,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:06,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:06,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:06,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:59:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:06,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:06,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:06,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:59:06,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:06,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 11:59:06,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:06,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:06,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:06,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:06,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 11:59:06,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:06,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-28 11:59:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:06,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:06,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:06,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:59:06,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:06,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-28 11:59:06,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:06,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:06,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:06,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:06,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 11:59:06,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 353 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-28 11:59:06,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1810613783] [2020-10-28 11:59:06,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:06,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:06,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915786410] [2020-10-28 11:59:06,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:06,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:06,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:06,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:06,573 INFO L87 Difference]: Start difference. First operand 1646 states and 2112 transitions. Second operand 7 states. [2020-10-28 11:59:08,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:08,716 INFO L93 Difference]: Finished difference Result 3888 states and 5052 transitions. [2020-10-28 11:59:08,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:59:08,717 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 373 [2020-10-28 11:59:08,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:08,730 INFO L225 Difference]: With dead ends: 3888 [2020-10-28 11:59:08,730 INFO L226 Difference]: Without dead ends: 2391 [2020-10-28 11:59:08,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:59:08,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2020-10-28 11:59:08,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 2236. [2020-10-28 11:59:08,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2236 states. [2020-10-28 11:59:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2869 transitions. [2020-10-28 11:59:08,823 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2869 transitions. Word has length 373 [2020-10-28 11:59:08,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:08,823 INFO L481 AbstractCegarLoop]: Abstraction has 2236 states and 2869 transitions. [2020-10-28 11:59:08,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:08,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2869 transitions. [2020-10-28 11:59:08,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2020-10-28 11:59:08,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:08,834 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:08,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 11:59:08,834 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:08,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:08,835 INFO L82 PathProgramCache]: Analyzing trace with hash -8987504, now seen corresponding path program 1 times [2020-10-28 11:59:08,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:08,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85171258] [2020-10-28 11:59:08,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:08,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:08,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:09,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:10,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:12,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:12,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 390 [2020-10-28 11:59:12,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:59:12,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3146 [2020-10-28 11:59:12,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:12,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 11:59:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-28 11:59:12,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:12,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:12,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:12,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:12,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:12,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:12,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:59:12,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:12,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:12,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:12,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:12,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:12,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:12,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:59:12,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:12,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 11:59:12,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:12,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 11:59:12,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:12,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:59:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:12,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:12,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:12,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:59:12,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:12,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 11:59:12,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:12,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 11:59:12,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:12,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-28 11:59:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:12,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:12,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:12,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 11:59:12,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:12,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-28 11:59:12,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:12,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:12,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:12,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:12,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-28 11:59:12,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 343 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 11:59:12,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85171258] [2020-10-28 11:59:12,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:12,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:12,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796251715] [2020-10-28 11:59:12,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:12,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:12,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:12,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:12,859 INFO L87 Difference]: Start difference. First operand 2236 states and 2869 transitions. Second operand 7 states. [2020-10-28 11:59:14,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:14,918 INFO L93 Difference]: Finished difference Result 4927 states and 6387 transitions. [2020-10-28 11:59:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 11:59:14,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 374 [2020-10-28 11:59:14,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:14,935 INFO L225 Difference]: With dead ends: 4927 [2020-10-28 11:59:14,935 INFO L226 Difference]: Without dead ends: 2840 [2020-10-28 11:59:14,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:59:14,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2840 states. [2020-10-28 11:59:15,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2840 to 2689. [2020-10-28 11:59:15,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2689 states. [2020-10-28 11:59:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3359 transitions. [2020-10-28 11:59:15,020 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3359 transitions. Word has length 374 [2020-10-28 11:59:15,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:15,020 INFO L481 AbstractCegarLoop]: Abstraction has 2689 states and 3359 transitions. [2020-10-28 11:59:15,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:15,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3359 transitions. [2020-10-28 11:59:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-10-28 11:59:15,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:15,029 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:15,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 11:59:15,029 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:15,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:15,030 INFO L82 PathProgramCache]: Analyzing trace with hash -773742688, now seen corresponding path program 1 times [2020-10-28 11:59:15,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:15,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1903514575] [2020-10-28 11:59:15,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:15,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:15,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:15,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:17,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:17,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 399 [2020-10-28 11:59:17,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:59:17,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2468 [2020-10-28 11:59:17,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:17,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:17,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:17,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 11:59:17,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 11:59:17,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:17,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:17,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:17,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:17,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:17,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:17,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:59:17,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:17,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:17,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:17,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:17,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:17,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:17,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:17,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:17,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:17,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:59:17,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:17,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-28 11:59:17,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:17,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 11:59:17,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:17,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:59:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:17,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:18,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:18,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:59:18,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:18,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-28 11:59:18,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:18,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:18,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:18,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:59:18,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:18,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-28 11:59:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:18,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:18,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:18,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:59:18,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:18,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 11:59:18,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:18,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:18,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:18,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-28 11:59:18,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:18,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 250 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-28 11:59:18,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1903514575] [2020-10-28 11:59:18,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:18,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:18,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484565456] [2020-10-28 11:59:18,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:18,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:18,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:18,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:18,331 INFO L87 Difference]: Start difference. First operand 2689 states and 3359 transitions. Second operand 7 states. [2020-10-28 11:59:20,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:20,399 INFO L93 Difference]: Finished difference Result 5245 states and 6599 transitions. [2020-10-28 11:59:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:59:20,405 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 383 [2020-10-28 11:59:20,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:20,419 INFO L225 Difference]: With dead ends: 5245 [2020-10-28 11:59:20,419 INFO L226 Difference]: Without dead ends: 2705 [2020-10-28 11:59:20,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:59:20,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2020-10-28 11:59:20,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 2689. [2020-10-28 11:59:20,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2689 states. [2020-10-28 11:59:20,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3335 transitions. [2020-10-28 11:59:20,506 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3335 transitions. Word has length 383 [2020-10-28 11:59:20,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:20,507 INFO L481 AbstractCegarLoop]: Abstraction has 2689 states and 3335 transitions. [2020-10-28 11:59:20,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3335 transitions. [2020-10-28 11:59:20,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2020-10-28 11:59:20,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:20,514 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:20,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 11:59:20,515 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:20,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:20,515 INFO L82 PathProgramCache]: Analyzing trace with hash -2025792752, now seen corresponding path program 1 times [2020-10-28 11:59:20,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:20,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108179974] [2020-10-28 11:59:20,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:20,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:20,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:21,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:21,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-10-28 11:59:21,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:21,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 796 [2020-10-28 11:59:21,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:21,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-28 11:59:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 11:59:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:21,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:21,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:21,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:21,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:21,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:21,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:59:21,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:21,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:21,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:21,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:21,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:21,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:21,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:59:21,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 11:59:21,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:21,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:21,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:21,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:59:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:21,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:21,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:21,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 11:59:21,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:21,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 11:59:21,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:21,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:21,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:21,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:21,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:21,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:21,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-28 11:59:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:21,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:21,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:21,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 11:59:21,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:21,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-28 11:59:21,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:21,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:21,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:21,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:21,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 11:59:21,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 165 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-28 11:59:21,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108179974] [2020-10-28 11:59:21,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:21,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:59:21,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818733245] [2020-10-28 11:59:21,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:59:21,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:21,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:59:21,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:59:21,814 INFO L87 Difference]: Start difference. First operand 2689 states and 3335 transitions. Second operand 5 states. [2020-10-28 11:59:23,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:23,376 INFO L93 Difference]: Finished difference Result 5233 states and 6518 transitions. [2020-10-28 11:59:23,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:59:23,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 387 [2020-10-28 11:59:23,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:23,393 INFO L225 Difference]: With dead ends: 5233 [2020-10-28 11:59:23,393 INFO L226 Difference]: Without dead ends: 2693 [2020-10-28 11:59:23,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:59:23,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2020-10-28 11:59:23,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2542. [2020-10-28 11:59:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2542 states. [2020-10-28 11:59:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3023 transitions. [2020-10-28 11:59:23,476 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3023 transitions. Word has length 387 [2020-10-28 11:59:23,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:23,477 INFO L481 AbstractCegarLoop]: Abstraction has 2542 states and 3023 transitions. [2020-10-28 11:59:23,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:59:23,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3023 transitions. [2020-10-28 11:59:23,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-10-28 11:59:23,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:23,487 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:23,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 11:59:23,488 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:23,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:23,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1542542888, now seen corresponding path program 1 times [2020-10-28 11:59:23,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:23,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600875708] [2020-10-28 11:59:23,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:23,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:23,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:25,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:25,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 418 [2020-10-28 11:59:25,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:25,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1566 [2020-10-28 11:59:25,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:25,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:25,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:25,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-28 11:59:25,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 11:59:25,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:25,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:25,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:25,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:25,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:25,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:25,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 11:59:25,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:25,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:25,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:25,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:25,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:25,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:25,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:25,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:25,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:25,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 11:59:25,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:25,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 11:59:25,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:25,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:25,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:25,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:25,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 11:59:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:25,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:25,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:25,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:59:25,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 11:59:25,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:25,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:25,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:25,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 11:59:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:25,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:25,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:25,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:59:25,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:25,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-28 11:59:25,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:25,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:25,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:25,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-28 11:59:25,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:25,760 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 165 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-28 11:59:25,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600875708] [2020-10-28 11:59:25,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:25,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:59:25,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563711669] [2020-10-28 11:59:25,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:59:25,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:25,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:59:25,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:59:25,764 INFO L87 Difference]: Start difference. First operand 2542 states and 3023 transitions. Second operand 5 states. [2020-10-28 11:59:27,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:27,335 INFO L93 Difference]: Finished difference Result 5516 states and 6610 transitions. [2020-10-28 11:59:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:59:27,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 402 [2020-10-28 11:59:27,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:27,338 INFO L225 Difference]: With dead ends: 5516 [2020-10-28 11:59:27,338 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 11:59:27,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:59:27,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 11:59:27,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 11:59:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 11:59:27,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 11:59:27,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 402 [2020-10-28 11:59:27,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:27,350 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 11:59:27,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:59:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 11:59:27,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 11:59:27,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 11:59:27,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 11:59:27,732 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 119 [2020-10-28 11:59:28,446 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 119 [2020-10-28 11:59:28,767 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 31 [2020-10-28 11:59:29,404 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 38 [2020-10-28 11:59:29,641 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 27 [2020-10-28 11:59:29,888 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 31 [2020-10-28 11:59:29,892 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 11:59:29,892 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 11:59:29,892 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 11:59:29,892 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 11:59:29,892 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 11:59:29,893 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-28 11:59:29,893 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 11:59:29,893 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-28 11:59:29,893 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-28 11:59:29,893 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-28 11:59:29,893 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 11:59:29,893 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 11:59:29,893 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 11:59:29,893 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 11:59:29,893 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 11:59:29,894 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 11:59:29,894 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-28 11:59:29,894 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-28 11:59:29,894 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-28 11:59:29,894 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-28 11:59:29,894 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,894 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,894 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,894 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,894 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,894 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,894 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-28 11:59:29,895 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-28 11:59:29,895 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 11:59:29,898 INFO L270 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a10~0)| 3)))) (and (or (not (<= |old(~a1~0)| 33)) .cse0) (or (not (= 9 |old(~a19~0)|)) .cse0) (not (= 2 |old(~a10~0)|)) (not (= 8 |old(~a19~0)|)) (not (= 4 |old(~a10~0)|)) (not (<= |old(~a10~0)| 1)))) [2020-10-28 11:59:29,898 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 11:59:29,898 INFO L274 CegarLoopResult]: For program point L171-1(line 171) no Hoare annotation was computed. [2020-10-28 11:59:29,898 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 11:59:29,898 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 11:59:29,898 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 11:59:29,898 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-28 11:59:29,898 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-28 11:59:29,898 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-28 11:59:29,899 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,899 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,899 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,899 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,899 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,899 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-28 11:59:29,899 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-28 11:59:29,899 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-28 11:59:29,900 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-28 11:59:29,900 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 11:59:29,900 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-28 11:59:29,900 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-28 11:59:29,900 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 11:59:29,900 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 11:59:29,900 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-28 11:59:29,900 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-28 11:59:29,901 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-28 11:59:29,901 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-28 11:59:29,901 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-28 11:59:29,901 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,902 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,902 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,903 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,903 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,903 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-28 11:59:29,903 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 11:59:29,903 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 11:59:29,903 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 11:59:29,903 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 11:59:29,903 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 11:59:29,903 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-28 11:59:29,903 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-28 11:59:29,903 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-28 11:59:29,903 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-28 11:59:29,904 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,904 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,904 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,904 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,904 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,904 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-28 11:59:29,904 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-28 11:59:29,904 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-28 11:59:29,904 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 11:59:29,904 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 11:59:29,904 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 11:59:29,906 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 11:59:29,906 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 11:59:29,906 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-28 11:59:29,906 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-28 11:59:29,906 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-28 11:59:29,906 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-28 11:59:29,906 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-28 11:59:29,906 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,906 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,906 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,906 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,907 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,907 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 11:59:29,907 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 11:59:29,907 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 11:59:29,908 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 11:59:29,908 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 11:59:29,908 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,908 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,908 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-28 11:59:29,908 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-28 11:59:29,908 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-28 11:59:29,909 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-28 11:59:29,909 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,909 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,909 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,909 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,909 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,909 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-28 11:59:29,909 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-28 11:59:29,909 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-28 11:59:29,909 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-28 11:59:29,909 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 11:59:29,909 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 11:59:29,910 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 11:59:29,910 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 11:59:29,910 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 11:59:29,910 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-28 11:59:29,910 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-28 11:59:29,910 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-28 11:59:29,911 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-28 11:59:29,911 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,911 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,911 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,911 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,911 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-28 11:59:29,911 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,911 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,911 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-28 11:59:29,911 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-28 11:59:29,911 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-28 11:59:29,911 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 11:59:29,912 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 11:59:29,912 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 11:59:29,912 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 11:59:29,912 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 11:59:29,912 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-28 11:59:29,912 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-28 11:59:29,913 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-28 11:59:29,913 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-28 11:59:29,914 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-28 11:59:29,914 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,914 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,914 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,914 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,914 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,914 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,914 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-28 11:59:29,914 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse1 (not (<= |old(~a10~0)| 3)))) (and (or .cse0 (not (= 4 |old(~a10~0)|))) (or .cse0 (not (<= |old(~a1~0)| 33)) .cse1) (or .cse0 (not (= 8 |old(~a19~0)|))) (or .cse0 (not (<= |old(~a10~0)| 1))) (or .cse0 (not (= 2 |old(~a10~0)|))) (or (not (= 9 |old(~a19~0)|)) .cse0 .cse1))) [2020-10-28 11:59:29,914 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,915 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-28 11:59:29,916 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-28 11:59:29,917 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,918 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,919 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:29,919 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 11:59:29,919 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-28 11:59:29,919 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 11:59:29,919 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 11:59:29,919 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-28 11:59:29,919 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-28 11:59:29,919 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 3))) (or (= ~a19~0 8) (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (and (= ~a19~0 9) .cse0) (not (= 0 |old(~a10~0)|)) (<= ~a10~0 1) (and (<= ~a1~0 33) .cse0) (= ~a10~0 4) (not (= 23 |old(~a1~0)|)))) [2020-10-28 11:59:29,919 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-28 11:59:29,919 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-28 11:59:29,920 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 3))) (or (= ~a19~0 8) (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (and (= ~a19~0 9) .cse0) (not (= 0 |old(~a10~0)|)) (<= ~a10~0 1) (and (<= ~a1~0 33) .cse0) (= ~a10~0 4) (not (= 23 |old(~a1~0)|)))) [2020-10-28 11:59:29,920 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-28 11:59:29,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:59:29 BoogieIcfgContainer [2020-10-28 11:59:29,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 11:59:29,953 INFO L168 Benchmark]: Toolchain (without parser) took 69739.71 ms. Allocated memory was 151.0 MB in the beginning and 1.1 GB in the end (delta: 921.7 MB). Free memory was 125.7 MB in the beginning and 449.0 MB in the end (delta: -323.2 MB). Peak memory consumption was 600.1 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:29,953 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 128.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 11:59:29,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.63 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 98.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:29,955 INFO L168 Benchmark]: Boogie Preprocessor took 159.09 ms. Allocated memory is still 151.0 MB. Free memory was 98.5 MB in the beginning and 131.0 MB in the end (delta: -32.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:29,962 INFO L168 Benchmark]: RCFGBuilder took 1495.43 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 130.5 MB in the beginning and 134.0 MB in the end (delta: -3.5 MB). Peak memory consumption was 74.6 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:29,966 INFO L168 Benchmark]: TraceAbstraction took 67444.40 ms. Allocated memory was 186.6 MB in the beginning and 1.1 GB in the end (delta: 886.0 MB). Free memory was 133.5 MB in the beginning and 449.0 MB in the end (delta: -315.5 MB). Peak memory consumption was 570.5 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:29,973 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 128.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 627.63 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 98.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 159.09 ms. Allocated memory is still 151.0 MB. Free memory was 98.5 MB in the beginning and 131.0 MB in the end (delta: -32.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1495.43 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 130.5 MB in the beginning and 134.0 MB in the end (delta: -3.5 MB). Peak memory consumption was 74.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 67444.40 ms. Allocated memory was 186.6 MB in the beginning and 1.1 GB in the end (delta: 886.0 MB). Free memory was 133.5 MB in the beginning and 449.0 MB in the end (delta: -315.5 MB). Peak memory consumption was 570.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((a19 == 8 || a10 == 2) || !(9 == \old(a19))) || (a19 == 9 && a10 <= 3)) || !(0 == \old(a10))) || a10 <= 1) || (a1 <= 33 && a10 <= 3)) || a10 == 4) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 64.7s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 24.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 361 SDtfs, 4812 SDslu, 446 SDs, 0 SdLazy, 11987 SolverSat, 1561 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2689occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 1459 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 297 PreInvPairs, 347 NumberOfFragments, 308 HoareAnnotationTreeSize, 297 FomulaSimplifications, 87697 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 9742 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 36.9s InterpolantComputationTime, 3478 NumberOfCodeBlocks, 3478 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3465 ConstructedInterpolants, 0 QuantifiedInterpolants, 2357962 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 3090/3276 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 proved your program to be correct! Received shutdown request...