/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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/Problem01_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:44:30,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:44:30,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:44:30,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:44:30,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:44:30,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:44:30,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:44:30,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:44:30,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:44:30,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:44:30,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:44:30,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:44:30,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:44:30,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:44:30,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:44:30,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:44:30,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:44:30,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:44:30,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:44:30,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:44:30,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:44:30,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:44:30,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:44:30,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:44:30,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:44:30,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:44:30,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:44:30,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:44:30,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:44:30,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:44:30,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:44:30,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:44:30,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:44:30,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:44:30,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:44:30,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:44:30,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:44:30,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:44:30,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:44:30,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:44:30,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:44:30,806 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 [2020-10-29 04:44:30,865 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:44:30,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:44:30,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:44:30,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:44:30,870 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:44:30,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:44:30,870 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:44:30,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:44:30,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:44:30,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:44:30,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:44:30,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:44:30,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:44:30,873 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:44:30,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:44:30,874 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:44:30,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:44:30,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:44:30,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:44:30,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:44:30,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:44:30,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:44:30,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:44:30,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:44:30,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:44:30,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:44:30,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:44:30,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:44:30,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:44:30,876 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:44:31,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:44:31,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:44:31,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:44:31,418 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:44:31,419 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:44:31,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-10-29 04:44:31,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea12f01f9/96b5c9ed5807471d99a28b64729bdf0f/FLAG9d692da21 [2020-10-29 04:44:32,460 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:44:32,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-10-29 04:44:32,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea12f01f9/96b5c9ed5807471d99a28b64729bdf0f/FLAG9d692da21 [2020-10-29 04:44:32,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea12f01f9/96b5c9ed5807471d99a28b64729bdf0f [2020-10-29 04:44:32,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:44:32,636 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:44:32,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:44:32,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:44:32,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:44:32,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:44:32" (1/1) ... [2020-10-29 04:44:32,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c40ebb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:44:32, skipping insertion in model container [2020-10-29 04:44:32,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:44:32" (1/1) ... [2020-10-29 04:44:32,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:44:32,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:44:33,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:44:33,271 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:44:33,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:44:33,436 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:44:33,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:44:33 WrapperNode [2020-10-29 04:44:33,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:44:33,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:44:33,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:44:33,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:44:33,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:44:33" (1/1) ... [2020-10-29 04:44:33,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:44:33" (1/1) ... [2020-10-29 04:44:33,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:44:33" (1/1) ... [2020-10-29 04:44:33,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:44:33" (1/1) ... [2020-10-29 04:44:33,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:44:33" (1/1) ... [2020-10-29 04:44:33,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:44:33" (1/1) ... [2020-10-29 04:44:33,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:44:33" (1/1) ... [2020-10-29 04:44:33,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:44:33,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:44:33,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:44:33,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:44:33,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:44:33" (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 [2020-10-29 04:44:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:44:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:44:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:44:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:44:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:44:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:44:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:44:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:44:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:44:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:44:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:44:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:44:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:44:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:44:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:44:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:44:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:44:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:44:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:44:35,154 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:44:35,154 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:44:35,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:44:35 BoogieIcfgContainer [2020-10-29 04:44:35,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:44:35,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:44:35,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:44:35,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:44:35,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:44:32" (1/3) ... [2020-10-29 04:44:35,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298507ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:44:35, skipping insertion in model container [2020-10-29 04:44:35,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:44:33" (2/3) ... [2020-10-29 04:44:35,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298507ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:44:35, skipping insertion in model container [2020-10-29 04:44:35,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:44:35" (3/3) ... [2020-10-29 04:44:35,166 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2020-10-29 04:44:35,180 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:44:35,186 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:44:35,200 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:44:35,232 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:44:35,232 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:44:35,233 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:44:35,233 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:44:35,233 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:44:35,233 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:44:35,233 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:44:35,233 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:44:35,259 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-29 04:44:35,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-29 04:44:35,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:44:35,272 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, 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] [2020-10-29 04:44:35,273 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:44:35,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:44:35,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1723079445, now seen corresponding path program 1 times [2020-10-29 04:44:35,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:44:35,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685572019] [2020-10-29 04:44:35,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:44:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:35,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:36,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:37,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:37,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 04:44:37,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:44:37,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1691 [2020-10-29 04:44:37,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:37,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:37,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:44:37,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:44:37,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-29 04:44:37,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:44:37,536 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:44:37,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:44:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:37,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:37,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:37,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:44:37,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:44:37,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 04:44:37,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:37,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:44:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:44:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:44:37,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:44:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:44:37,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685572019] [2020-10-29 04:44:37,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:44:37,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:44:37,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794269527] [2020-10-29 04:44:37,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:44:37,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:44:37,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:44:37,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:44:37,651 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-29 04:44:37,818 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:44:39,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:44:39,544 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-29 04:44:39,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:44:39,546 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2020-10-29 04:44:39,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:44:39,562 INFO L225 Difference]: With dead ends: 562 [2020-10-29 04:44:39,562 INFO L226 Difference]: Without dead ends: 287 [2020-10-29 04:44:39,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:44:39,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-29 04:44:39,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-29 04:44:39,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-29 04:44:39,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 385 transitions. [2020-10-29 04:44:39,673 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 385 transitions. Word has length 101 [2020-10-29 04:44:39,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:44:39,674 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 385 transitions. [2020-10-29 04:44:39,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:44:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 385 transitions. [2020-10-29 04:44:39,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-29 04:44:39,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:44:39,686 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-29 04:44:39,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:44:39,687 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:44:39,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:44:39,689 INFO L82 PathProgramCache]: Analyzing trace with hash 809338666, now seen corresponding path program 1 times [2020-10-29 04:44:39,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:44:39,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [133905029] [2020-10-29 04:44:39,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:44:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:39,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:39,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:41,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:43,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:43,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-29 04:44:43,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:44:43,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3866 [2020-10-29 04:44:43,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:43,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:44:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 04:44:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 04:44:43,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:44:43,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:44:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:43,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:43,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:43,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:44:43,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:44:43,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 04:44:43,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:43,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:43,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:44:43,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:44:43,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:44:43,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:44:43,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:44:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:43,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:43,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:43,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:44:43,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:44:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 04:44:43,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:43,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:44:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:44:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 04:44:43,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:44:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:44:43,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [133905029] [2020-10-29 04:44:43,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:44:43,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:44:43,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082098075] [2020-10-29 04:44:43,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:44:43,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:44:43,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:44:43,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:44:43,859 INFO L87 Difference]: Start difference. First operand 281 states and 385 transitions. Second operand 5 states. [2020-10-29 04:44:44,118 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:44:45,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:44:45,578 INFO L93 Difference]: Finished difference Result 838 states and 1170 transitions. [2020-10-29 04:44:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:44:45,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-10-29 04:44:45,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:44:45,587 INFO L225 Difference]: With dead ends: 838 [2020-10-29 04:44:45,587 INFO L226 Difference]: Without dead ends: 563 [2020-10-29 04:44:45,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:44:45,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-10-29 04:44:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2020-10-29 04:44:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-10-29 04:44:45,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 733 transitions. [2020-10-29 04:44:45,637 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 733 transitions. Word has length 110 [2020-10-29 04:44:45,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:44:45,638 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 733 transitions. [2020-10-29 04:44:45,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:44:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 733 transitions. [2020-10-29 04:44:45,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-29 04:44:45,642 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:44:45,642 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-29 04:44:45,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:44:45,643 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:44:45,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:44:45,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1426351886, now seen corresponding path program 1 times [2020-10-29 04:44:45,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:44:45,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281888565] [2020-10-29 04:44:45,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:44:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:45,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:45,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:46,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:46,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-29 04:44:46,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:44:46,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 684 [2020-10-29 04:44:46,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:46,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:44:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 04:44:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 04:44:46,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:44:46,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:44:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:46,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:46,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:46,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:44:46,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:44:46,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 04:44:46,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:46,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:46,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:44:46,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:44:46,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:44:46,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:44:46,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:44:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:46,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:46,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:46,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:44:46,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:44:46,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 04:44:46,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:46,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:46,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:44:46,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:44:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:44:46,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:44:46,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:44:46,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1281888565] [2020-10-29 04:44:46,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:44:46,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:44:46,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415746459] [2020-10-29 04:44:46,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:44:46,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:44:46,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:44:46,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:44:46,700 INFO L87 Difference]: Start difference. First operand 557 states and 733 transitions. Second operand 5 states. [2020-10-29 04:44:48,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:44:48,423 INFO L93 Difference]: Finished difference Result 1662 states and 2231 transitions. [2020-10-29 04:44:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:44:48,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-10-29 04:44:48,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:44:48,439 INFO L225 Difference]: With dead ends: 1662 [2020-10-29 04:44:48,439 INFO L226 Difference]: Without dead ends: 1111 [2020-10-29 04:44:48,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:44:48,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2020-10-29 04:44:48,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 1107. [2020-10-29 04:44:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1107 states. [2020-10-29 04:44:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1460 transitions. [2020-10-29 04:44:48,543 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1460 transitions. Word has length 112 [2020-10-29 04:44:48,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:44:48,544 INFO L481 AbstractCegarLoop]: Abstraction has 1107 states and 1460 transitions. [2020-10-29 04:44:48,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:44:48,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1460 transitions. [2020-10-29 04:44:48,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-29 04:44:48,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:44:48,557 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 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] [2020-10-29 04:44:48,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:44:48,557 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:44:48,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:44:48,558 INFO L82 PathProgramCache]: Analyzing trace with hash 155225492, now seen corresponding path program 1 times [2020-10-29 04:44:48,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:44:48,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273045371] [2020-10-29 04:44:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:44:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:48,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:48,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:49,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:50,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:50,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-29 04:44:50,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:44:50,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1609 [2020-10-29 04:44:50,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:50,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:50,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:44:50,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-29 04:44:50,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 04:44:50,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:44:50,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:44:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:50,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:50,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:50,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:44:50,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:44:50,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:44:50,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:50,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:50,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:44:50,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:44:50,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:44:50,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:44:50,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:44:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:50,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:50,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:50,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:44:50,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:44:50,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 04:44:50,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:50,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:44:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:44:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:44:50,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:44:50,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 04:44:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:50,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:50,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:50,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 04:44:50,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:44:50,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 04:44:50,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:50,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:44:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:44:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 04:44:50,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:44:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 04:44:50,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273045371] [2020-10-29 04:44:50,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:44:50,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:44:50,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598511497] [2020-10-29 04:44:50,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:44:50,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:44:50,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:44:50,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:44:50,493 INFO L87 Difference]: Start difference. First operand 1107 states and 1460 transitions. Second operand 5 states. [2020-10-29 04:44:50,646 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:44:52,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:44:52,076 INFO L93 Difference]: Finished difference Result 3308 states and 4455 transitions. [2020-10-29 04:44:52,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:44:52,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-29 04:44:52,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:44:52,095 INFO L225 Difference]: With dead ends: 3308 [2020-10-29 04:44:52,095 INFO L226 Difference]: Without dead ends: 2207 [2020-10-29 04:44:52,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:44:52,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2020-10-29 04:44:52,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2203. [2020-10-29 04:44:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2203 states. [2020-10-29 04:44:52,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 2203 states and 2846 transitions. [2020-10-29 04:44:52,244 INFO L78 Accepts]: Start accepts. Automaton has 2203 states and 2846 transitions. Word has length 122 [2020-10-29 04:44:52,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:44:52,245 INFO L481 AbstractCegarLoop]: Abstraction has 2203 states and 2846 transitions. [2020-10-29 04:44:52,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:44:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 2846 transitions. [2020-10-29 04:44:52,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-29 04:44:52,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:44:52,259 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:44:52,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:44:52,259 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:44:52,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:44:52,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1177781912, now seen corresponding path program 1 times [2020-10-29 04:44:52,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:44:52,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [656021925] [2020-10-29 04:44:52,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:44:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:52,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:52,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:52,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:56,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:57,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:57,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-29 04:44:57,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:44:57,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-29 04:44:57,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:57,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:44:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-29 04:44:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 04:44:57,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:44:57,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:44:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:57,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:57,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:57,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:44:57,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:44:57,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:44:57,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:57,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:57,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:44:57,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:44:57,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:44:57,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:44:57,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:44:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:57,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:57,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:57,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:44:57,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:44:57,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:44:57,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:57,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:57,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:44:57,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:44:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:44:57,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 04:44:57,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:44:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:57,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:57,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:44:57,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 04:44:57,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:44:57,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 04:44:57,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:44:57,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:44:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:44:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:44:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 04:44:57,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:44:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-29 04:44:57,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [656021925] [2020-10-29 04:44:57,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:44:57,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:44:57,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836899382] [2020-10-29 04:44:57,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:44:57,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:44:57,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:44:57,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:44:57,683 INFO L87 Difference]: Start difference. First operand 2203 states and 2846 transitions. Second operand 5 states. [2020-10-29 04:44:59,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:44:59,259 INFO L93 Difference]: Finished difference Result 6048 states and 7965 transitions. [2020-10-29 04:44:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:44:59,260 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-10-29 04:44:59,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:44:59,285 INFO L225 Difference]: With dead ends: 6048 [2020-10-29 04:44:59,285 INFO L226 Difference]: Without dead ends: 3851 [2020-10-29 04:44:59,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:44:59,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2020-10-29 04:44:59,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 3307. [2020-10-29 04:44:59,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3307 states. [2020-10-29 04:44:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 4233 transitions. [2020-10-29 04:44:59,440 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 4233 transitions. Word has length 140 [2020-10-29 04:44:59,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:44:59,440 INFO L481 AbstractCegarLoop]: Abstraction has 3307 states and 4233 transitions. [2020-10-29 04:44:59,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:44:59,441 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 4233 transitions. [2020-10-29 04:44:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-29 04:44:59,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:44:59,497 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-29 04:44:59,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:44:59,497 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:44:59,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:44:59,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1377368205, now seen corresponding path program 1 times [2020-10-29 04:44:59,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:44:59,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99306620] [2020-10-29 04:44:59,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:44:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:44:59,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:59,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:44:59,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:04,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:04,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:04,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-29 04:45:04,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:45:04,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 04:45:04,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:04,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:04,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:04,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-29 04:45:04,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 04:45:04,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:04,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:04,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:04,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:04,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:04,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:04,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:45:04,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:04,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:04,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:04,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:04,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:04,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:04,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:04,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:04,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:45:04,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:04,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:45:04,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:04,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:04,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:04,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:04,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:04,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:04,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:45:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:04,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:04,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:04,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 04:45:04,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:04,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 04:45:04,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:04,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:04,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:04,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:04,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 04:45:04,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:04,845 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-29 04:45:04,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99306620] [2020-10-29 04:45:04,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:04,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:04,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363510546] [2020-10-29 04:45:04,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:04,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:04,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:04,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:04,849 INFO L87 Difference]: Start difference. First operand 3307 states and 4233 transitions. Second operand 5 states. [2020-10-29 04:45:06,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:06,431 INFO L93 Difference]: Finished difference Result 7023 states and 9109 transitions. [2020-10-29 04:45:06,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:06,439 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-10-29 04:45:06,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:06,462 INFO L225 Difference]: With dead ends: 7023 [2020-10-29 04:45:06,462 INFO L226 Difference]: Without dead ends: 3722 [2020-10-29 04:45:06,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:06,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3722 states. [2020-10-29 04:45:06,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3722 to 3583. [2020-10-29 04:45:06,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3583 states. [2020-10-29 04:45:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3583 states and 4556 transitions. [2020-10-29 04:45:06,606 INFO L78 Accepts]: Start accepts. Automaton has 3583 states and 4556 transitions. Word has length 143 [2020-10-29 04:45:06,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:06,606 INFO L481 AbstractCegarLoop]: Abstraction has 3583 states and 4556 transitions. [2020-10-29 04:45:06,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:06,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 4556 transitions. [2020-10-29 04:45:06,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-29 04:45:06,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:06,619 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:06,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:45:06,619 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:06,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:06,620 INFO L82 PathProgramCache]: Analyzing trace with hash -805710338, now seen corresponding path program 1 times [2020-10-29 04:45:06,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:06,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117429869] [2020-10-29 04:45:06,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:06,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:06,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:06,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:06,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:09,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:11,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:11,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-29 04:45:11,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:45:11,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-29 04:45:11,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:11,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:45:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 04:45:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 04:45:11,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:11,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:11,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:11,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:11,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:11,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:11,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 04:45:11,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:11,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:11,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:11,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:11,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:11,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:11,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:11,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:11,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:11,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:45:11,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:11,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:45:11,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:11,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:45:11,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:11,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:45:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:11,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:11,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:12,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:12,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 04:45:12,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:45:12,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 04:45:12,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:12,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:12,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:12,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:45:12,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 04:45:12,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:12,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 04:45:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:12,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:12,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:12,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 04:45:12,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:12,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-29 04:45:12,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:12,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:12,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:12,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:45:12,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 04:45:12,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:12,439 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 104 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-29 04:45:12,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1117429869] [2020-10-29 04:45:12,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:12,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 04:45:12,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067192624] [2020-10-29 04:45:12,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 04:45:12,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:12,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 04:45:12,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:45:12,444 INFO L87 Difference]: Start difference. First operand 3583 states and 4556 transitions. Second operand 8 states. [2020-10-29 04:45:13,381 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 04:45:16,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:16,162 INFO L93 Difference]: Finished difference Result 8268 states and 10630 transitions. [2020-10-29 04:45:16,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 04:45:16,163 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 198 [2020-10-29 04:45:16,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:16,189 INFO L225 Difference]: With dead ends: 8268 [2020-10-29 04:45:16,189 INFO L226 Difference]: Without dead ends: 4554 [2020-10-29 04:45:16,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-29 04:45:16,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2020-10-29 04:45:16,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 3192. [2020-10-29 04:45:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3192 states. [2020-10-29 04:45:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 3908 transitions. [2020-10-29 04:45:16,336 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 3908 transitions. Word has length 198 [2020-10-29 04:45:16,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:16,336 INFO L481 AbstractCegarLoop]: Abstraction has 3192 states and 3908 transitions. [2020-10-29 04:45:16,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 04:45:16,336 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 3908 transitions. [2020-10-29 04:45:16,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-29 04:45:16,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:16,346 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-10-29 04:45:16,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 04:45:16,347 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:16,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:16,347 INFO L82 PathProgramCache]: Analyzing trace with hash 149362655, now seen corresponding path program 1 times [2020-10-29 04:45:16,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:16,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751570587] [2020-10-29 04:45:16,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:16,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:16,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:16,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:17,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:17,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:21,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:21,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-29 04:45:21,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:45:21,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 04:45:21,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:21,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-29 04:45:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 04:45:21,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:21,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:21,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:21,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:21,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:21,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:21,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:45:21,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:21,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:21,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:21,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:21,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:21,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:21,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:21,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:21,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:21,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:45:21,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:21,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:45:21,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:21,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:21,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:21,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:45:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:21,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:21,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:21,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 04:45:21,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:21,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 04:45:21,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:21,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:21,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:21,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:21,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:21,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:21,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 04:45:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:21,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:21,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:21,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 04:45:21,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:21,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 04:45:21,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:21,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:21,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:21,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:21,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 04:45:21,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:21,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 04:45:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:21,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:21,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:21,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 04:45:21,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:21,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-29 04:45:21,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:21,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:45:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 04:45:21,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-29 04:45:22,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751570587] [2020-10-29 04:45:22,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:22,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:45:22,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477203413] [2020-10-29 04:45:22,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:45:22,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:22,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:45:22,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:45:22,034 INFO L87 Difference]: Start difference. First operand 3192 states and 3908 transitions. Second operand 7 states. [2020-10-29 04:45:22,204 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:45:23,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:23,842 INFO L93 Difference]: Finished difference Result 6320 states and 7828 transitions. [2020-10-29 04:45:23,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 04:45:23,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-10-29 04:45:23,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:23,847 INFO L225 Difference]: With dead ends: 6320 [2020-10-29 04:45:23,848 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:45:23,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 04:45:23,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:45:23,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:45:23,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:45:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:45:23,863 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2020-10-29 04:45:23,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:23,864 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:45:23,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:45:23,864 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:45:23,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:45:23,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 04:45:23,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:45:24,072 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2020-10-29 04:45:24,888 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 136 [2020-10-29 04:45:25,118 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 136 [2020-10-29 04:45:25,300 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 32 [2020-10-29 04:45:26,132 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 47 [2020-10-29 04:45:26,460 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 50 [2020-10-29 04:45:26,913 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 50 [2020-10-29 04:45:27,139 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 29 [2020-10-29 04:45:27,145 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:45:27,145 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:45:27,145 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:45:27,145 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:45:27,145 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:45:27,146 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|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-29 04:45:27,146 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:45:27,146 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,146 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,146 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,146 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,146 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,146 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,147 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-29 04:45:27,147 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-29 04:45:27,147 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-29 04:45:27,147 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-29 04:45:27,147 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-29 04:45:27,147 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-29 04:45:27,147 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-29 04:45:27,147 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-29 04:45:27,147 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-29 04:45:27,148 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-29 04:45:27,148 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-29 04:45:27,148 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-29 04:45:27,148 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,148 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,148 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,148 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,148 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,148 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,148 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,149 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,150 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,150 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-29 04:45:27,150 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-29 04:45:27,150 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-29 04:45:27,150 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-29 04:45:27,150 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-29 04:45:27,150 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-29 04:45:27,150 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-29 04:45:27,150 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-29 04:45:27,150 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-29 04:45:27,150 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-29 04:45:27,150 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-29 04:45:27,151 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-29 04:45:27,151 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-29 04:45:27,151 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-29 04:45:27,151 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-29 04:45:27,151 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,151 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,151 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,151 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,151 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,152 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-29 04:45:27,152 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-29 04:45:27,152 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-29 04:45:27,152 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-29 04:45:27,152 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-29 04:45:27,152 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-29 04:45:27,152 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-29 04:45:27,152 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-29 04:45:27,152 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-29 04:45:27,152 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,152 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,153 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,153 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,153 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,153 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-29 04:45:27,153 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-29 04:45:27,153 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-29 04:45:27,153 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-29 04:45:27,153 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-29 04:45:27,153 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-29 04:45:27,153 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-29 04:45:27,154 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-29 04:45:27,154 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-29 04:45:27,154 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-29 04:45:27,154 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-29 04:45:27,154 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-29 04:45:27,154 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-29 04:45:27,154 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,154 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,154 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,154 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,155 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,155 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-29 04:45:27,155 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-29 04:45:27,155 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-29 04:45:27,155 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,155 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,155 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-29 04:45:27,155 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-29 04:45:27,155 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-29 04:45:27,155 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-29 04:45:27,156 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-29 04:45:27,156 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-29 04:45:27,156 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,156 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,156 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,156 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,156 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-29 04:45:27,156 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,156 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-29 04:45:27,156 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-29 04:45:27,157 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-29 04:45:27,157 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-29 04:45:27,157 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-29 04:45:27,157 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-29 04:45:27,157 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-29 04:45:27,157 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-29 04:45:27,157 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-29 04:45:27,157 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-29 04:45:27,157 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-29 04:45:27,157 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-29 04:45:27,157 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-29 04:45:27,158 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,158 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,158 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,158 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,158 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,158 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-29 04:45:27,158 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-29 04:45:27,158 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-29 04:45:27,158 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-29 04:45:27,158 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-29 04:45:27,158 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-29 04:45:27,159 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-29 04:45:27,159 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-29 04:45:27,159 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,159 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,159 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse5 (= ~a7~0 |old(~a7~0)|)) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a20~0 |old(~a20~0)|)) (.cse8 (= ~a16~0 |old(~a16~0)|)) (.cse9 (= ~a8~0 |old(~a8~0)|))) (let ((.cse2 (= 15 |old(~a8~0)|)) (.cse0 (and .cse5 .cse4 .cse6 .cse7 .cse8 .cse9)) (.cse1 (not (= |old(~a17~0)| 1)))) (and (or .cse0 (not (= 0 |old(~a17~0)|))) (or .cse1 .cse0 (not .cse2)) (or (not (<= |old(~a7~0)| 0)) .cse2 .cse0) (or .cse1 (let ((.cse3 (not (<= |old(~a8~0)| 13)))) (and (or .cse3 (not (= |old(~a7~0)| |old(~a20~0)|))) (or .cse3 (= |old(~a21~0)| 1)))) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))))) [2020-10-29 04:45:27,159 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,159 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,159 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,160 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-29 04:45:27,160 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-29 04:45:27,160 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-29 04:45:27,160 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-29 04:45:27,160 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-29 04:45:27,160 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-29 04:45:27,160 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-29 04:45:27,160 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-29 04:45:27,160 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-29 04:45:27,160 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-29 04:45:27,160 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-29 04:45:27,160 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,161 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,161 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,161 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,161 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-29 04:45:27,161 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,161 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,161 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-29 04:45:27,161 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-29 04:45:27,161 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-29 04:45:27,161 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-29 04:45:27,161 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-29 04:45:27,162 INFO L270 CegarLoopResult]: At program point L460(line 460) the Hoare annotation is: (let ((.cse0 (not (= |old(~a17~0)| 1))) (.cse2 (= 15 |old(~a8~0)|))) (and (or .cse0 (let ((.cse1 (not (<= |old(~a8~0)| 13)))) (and (or .cse1 (not (= |old(~a7~0)| |old(~a20~0)|))) (or .cse1 (= |old(~a21~0)| 1))))) (or .cse0 (not .cse2)) (or (not (<= |old(~a7~0)| 0)) .cse2) (not (= 0 |old(~a17~0)|)))) [2020-10-29 04:45:27,162 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-29 04:45:27,162 INFO L274 CegarLoopResult]: For program point L460-1(line 460) no Hoare annotation was computed. [2020-10-29 04:45:27,162 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-29 04:45:27,162 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-29 04:45:27,162 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-29 04:45:27,162 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-29 04:45:27,162 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-29 04:45:27,162 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,162 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,163 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,163 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,163 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,163 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-29 04:45:27,163 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:27,163 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-29 04:45:27,163 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-29 04:45:27,163 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-29 04:45:27,163 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-29 04:45:27,163 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-29 04:45:27,163 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-29 04:45:27,164 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-29 04:45:27,164 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-29 04:45:27,164 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-29 04:45:27,164 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-29 04:45:27,164 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-29 04:45:27,164 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-29 04:45:27,164 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-29 04:45:27,164 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-29 04:45:27,164 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:45:27,164 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-10-29 04:45:27,164 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:45:27,165 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:45:27,165 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= |old(~a7~0)| 0)) (not (<= 15 |old(~a8~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|))) [2020-10-29 04:45:27,165 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:45:27,165 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse2 (= ~a17~0 1)) (.cse3 (= ~a8~0 |old(~a8~0)|)) (.cse0 (= 15 |old(~a8~0)|))) (or (and (let ((.cse1 (<= ~a8~0 13))) (or (and .cse0 (not (= ~a21~0 1)) .cse1) (and .cse0 (= ~a20~0 ~a7~0) .cse1))) .cse2) (not (= |old(~a17~0)| 1)) (not (<= |old(~a7~0)| 0)) (and .cse0 (= ~a17~0 0)) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse3 .cse2) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) .cse3) (and (not (= ~a8~0 15)) .cse0 (<= ~a7~0 0)) (not (= 5 |old(~a16~0)|)))) [2020-10-29 04:45:27,165 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-29 04:45:27,165 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-29 04:45:27,165 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse2 (= ~a17~0 1)) (.cse3 (= ~a8~0 |old(~a8~0)|)) (.cse0 (= 15 |old(~a8~0)|))) (or (and (let ((.cse1 (<= ~a8~0 13))) (or (and .cse0 (not (= ~a21~0 1)) .cse1) (and .cse0 (= ~a20~0 ~a7~0) .cse1))) .cse2) (not (= |old(~a17~0)| 1)) (not (<= |old(~a7~0)| 0)) (and .cse0 (= ~a17~0 0)) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse3 .cse2) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) .cse3) (and (not (= ~a8~0 15)) .cse0 (<= ~a7~0 0)) (not (= 5 |old(~a16~0)|)))) [2020-10-29 04:45:27,166 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:45:27,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:45:27 BoogieIcfgContainer [2020-10-29 04:45:27,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:45:27,192 INFO L168 Benchmark]: Toolchain (without parser) took 54561.13 ms. Allocated memory was 165.7 MB in the beginning and 896.5 MB in the end (delta: 730.9 MB). Free memory was 138.4 MB in the beginning and 492.5 MB in the end (delta: -354.0 MB). Peak memory consumption was 534.1 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:27,193 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 125.8 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:45:27,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.06 ms. Allocated memory is still 165.7 MB. Free memory was 138.0 MB in the beginning and 111.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:27,194 INFO L168 Benchmark]: Boogie Preprocessor took 141.58 ms. Allocated memory is still 165.7 MB. Free memory was 111.2 MB in the beginning and 106.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:27,195 INFO L168 Benchmark]: RCFGBuilder took 1575.25 ms. Allocated memory is still 165.7 MB. Free memory was 106.1 MB in the beginning and 142.4 MB in the end (delta: -36.3 MB). Peak memory consumption was 55.7 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:27,196 INFO L168 Benchmark]: TraceAbstraction took 52031.46 ms. Allocated memory was 165.7 MB in the beginning and 896.5 MB in the end (delta: 730.9 MB). Free memory was 142.0 MB in the beginning and 492.5 MB in the end (delta: -350.5 MB). Peak memory consumption was 537.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:27,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 125.8 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 799.06 ms. Allocated memory is still 165.7 MB. Free memory was 138.0 MB in the beginning and 111.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 141.58 ms. Allocated memory is still 165.7 MB. Free memory was 111.2 MB in the beginning and 106.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1575.25 ms. Allocated memory is still 165.7 MB. Free memory was 106.1 MB in the beginning and 142.4 MB in the end (delta: -36.3 MB). Peak memory consumption was 55.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 52031.46 ms. Allocated memory was 165.7 MB in the beginning and 896.5 MB in the end (delta: 730.9 MB). Free memory was 142.0 MB in the beginning and 492.5 MB in the end (delta: -350.5 MB). Peak memory consumption was 537.2 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: 585]: Loop Invariant Derived loop invariant: (((((((((((15 == \old(a8) && !(a21 == 1)) && a8 <= 13) || ((15 == \old(a8) && a20 == a7) && a8 <= 13)) && a17 == 1) || !(\old(a17) == 1)) || !(\old(a7) <= 0)) || (15 == \old(a8) && a17 == 0)) || !(15 <= \old(a8))) || ((15 == \old(a8) && a8 == \old(a8)) && a17 == 1)) || (((((a7 == \old(a7) && a17 == \old(a17)) && a21 == \old(a21)) && a20 == \old(a20)) && a16 == \old(a16)) && a8 == \old(a8))) || ((!(a8 == 15) && 15 == \old(a8)) && a7 <= 0)) || !(5 == \old(a16)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 48.6s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 210 SDtfs, 2676 SDslu, 185 SDs, 0 SdLazy, 6420 SolverSat, 844 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 71 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3583occurred in iteration=6, 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, 8 MinimizatonAttempts, 2065 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 284 PreInvPairs, 348 NumberOfFragments, 486 HoareAnnotationTreeSize, 284 FomulaSimplifications, 96048 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5795 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 30.8s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1129 ConstructedInterpolants, 0 QuantifiedInterpolants, 526766 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 441/455 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...