/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:44:01,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:44:01,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:44:01,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:44:01,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:44:01,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:44:01,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:44:01,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:44:01,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:44:01,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:44:01,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:44:01,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:44:01,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:44:01,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:44:01,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:44:01,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:44:01,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:44:01,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:44:01,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:44:01,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:44:01,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:44:01,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:44:01,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:44:01,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:44:01,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:44:01,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:44:01,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:44:01,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:44:01,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:44:01,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:44:01,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:44:01,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:44:01,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:44:01,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:44:01,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:44:01,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:44:01,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:44:01,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:44:01,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:44:01,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:44:01,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:44:01,866 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 [2020-09-25 05:44:01,914 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:44:01,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:44:01,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:44:01,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:44:01,918 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:44:01,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:44:01,919 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:44:01,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:44:01,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:44:01,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:44:01,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:44:01,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:44:01,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:44:01,921 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:44:01,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:44:01,922 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:44:01,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:44:01,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:44:01,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:44:01,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:44:01,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:44:01,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:44:01,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:44:01,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:44:01,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:44:01,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:44:01,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:44:01,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:44:01,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:44:01,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:44:02,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:44:02,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:44:02,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:44:02,447 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:44:02,447 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:44:02,449 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2020-09-25 05:44:02,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb27232f3/e7610f41b3b94de587ae69e501bfa5cb/FLAGc9ba4559c [2020-09-25 05:44:03,153 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:44:03,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2020-09-25 05:44:03,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb27232f3/e7610f41b3b94de587ae69e501bfa5cb/FLAGc9ba4559c [2020-09-25 05:44:03,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb27232f3/e7610f41b3b94de587ae69e501bfa5cb [2020-09-25 05:44:03,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:44:03,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:44:03,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:44:03,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:44:03,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:44:03,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:44:03" (1/1) ... [2020-09-25 05:44:03,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddb90c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:03, skipping insertion in model container [2020-09-25 05:44:03,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:44:03" (1/1) ... [2020-09-25 05:44:03,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:44:03,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:44:03,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:44:03,899 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:44:03,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:44:04,057 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:44:04,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:04 WrapperNode [2020-09-25 05:44:04,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:44:04,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:44:04,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:44:04,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:44:04,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:04" (1/1) ... [2020-09-25 05:44:04,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:04" (1/1) ... [2020-09-25 05:44:04,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:04" (1/1) ... [2020-09-25 05:44:04,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:04" (1/1) ... [2020-09-25 05:44:04,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:04" (1/1) ... [2020-09-25 05:44:04,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:04" (1/1) ... [2020-09-25 05:44:04,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:04" (1/1) ... [2020-09-25 05:44:04,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:44:04,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:44:04,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:44:04,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:44:04,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:04" (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 [2020-09-25 05:44:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:44:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:44:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 05:44:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:44:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:44:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 05:44:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 05:44:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 05:44:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:44:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:44:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:44:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:44:04,738 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:44:04,739 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 05:44:04,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:44:04 BoogieIcfgContainer [2020-09-25 05:44:04,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:44:04,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:44:04,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:44:04,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:44:04,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:44:03" (1/3) ... [2020-09-25 05:44:04,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552ecf3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:44:04, skipping insertion in model container [2020-09-25 05:44:04,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:04" (2/3) ... [2020-09-25 05:44:04,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552ecf3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:44:04, skipping insertion in model container [2020-09-25 05:44:04,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:44:04" (3/3) ... [2020-09-25 05:44:04,761 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+nlh-reducer.c [2020-09-25 05:44:04,773 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:44:04,784 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2020-09-25 05:44:04,808 INFO L251 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2020-09-25 05:44:04,845 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:44:04,845 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:44:04,846 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:44:04,846 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:44:04,846 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:44:04,846 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:44:04,846 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:44:04,847 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:44:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-09-25 05:44:04,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-25 05:44:04,889 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:04,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:44:04,891 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:04,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:04,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1480175740, now seen corresponding path program 1 times [2020-09-25 05:44:04,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:04,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1675440114] [2020-09-25 05:44:04,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:05,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:05,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:05,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 05:44:05,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:05,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-09-25 05:44:05,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:05,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:05,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:44:05,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 05:44:05,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:44:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:44:05,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:05,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:05,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:05,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:05,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:05,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:44:05,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:05,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:05,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:05,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:05,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:05,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:05,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1675440114] [2020-09-25 05:44:05,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:05,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:44:05,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591071083] [2020-09-25 05:44:05,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:44:05,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:05,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:44:05,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:44:05,524 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 6 states. [2020-09-25 05:44:06,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:06,108 INFO L93 Difference]: Finished difference Result 221 states and 247 transitions. [2020-09-25 05:44:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:44:06,110 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-09-25 05:44:06,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:06,126 INFO L225 Difference]: With dead ends: 221 [2020-09-25 05:44:06,126 INFO L226 Difference]: Without dead ends: 181 [2020-09-25 05:44:06,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:44:06,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-09-25 05:44:06,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2020-09-25 05:44:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-09-25 05:44:06,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 185 transitions. [2020-09-25 05:44:06,197 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 185 transitions. Word has length 30 [2020-09-25 05:44:06,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:06,197 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 185 transitions. [2020-09-25 05:44:06,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:44:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 185 transitions. [2020-09-25 05:44:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 05:44:06,199 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:06,199 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] [2020-09-25 05:44:06,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:44:06,200 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:06,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:06,201 INFO L82 PathProgramCache]: Analyzing trace with hash 983595193, now seen corresponding path program 1 times [2020-09-25 05:44:06,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:06,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889130238] [2020-09-25 05:44:06,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:06,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:06,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:06,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 05:44:06,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:06,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-25 05:44:06,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:06,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:44:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 05:44:06,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:06,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:06,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:06,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:06,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:06,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:06,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:44:06,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:06,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:06,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:06,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:06,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:06,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:06,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:06,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889130238] [2020-09-25 05:44:06,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:06,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:06,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284317709] [2020-09-25 05:44:06,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:06,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:06,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:06,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:06,572 INFO L87 Difference]: Start difference. First operand 181 states and 185 transitions. Second operand 8 states. [2020-09-25 05:44:07,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:07,310 INFO L93 Difference]: Finished difference Result 287 states and 293 transitions. [2020-09-25 05:44:07,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:07,310 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2020-09-25 05:44:07,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:07,316 INFO L225 Difference]: With dead ends: 287 [2020-09-25 05:44:07,316 INFO L226 Difference]: Without dead ends: 285 [2020-09-25 05:44:07,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:07,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-09-25 05:44:07,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 179. [2020-09-25 05:44:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-09-25 05:44:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 183 transitions. [2020-09-25 05:44:07,349 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 183 transitions. Word has length 33 [2020-09-25 05:44:07,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:07,352 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 183 transitions. [2020-09-25 05:44:07,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:07,353 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 183 transitions. [2020-09-25 05:44:07,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-25 05:44:07,354 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:07,354 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] [2020-09-25 05:44:07,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:44:07,356 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:07,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:07,356 INFO L82 PathProgramCache]: Analyzing trace with hash -378774596, now seen corresponding path program 1 times [2020-09-25 05:44:07,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:07,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1891794676] [2020-09-25 05:44:07,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:07,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:07,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:07,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 05:44:07,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:07,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-09-25 05:44:07,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:07,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:44:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 05:44:07,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:07,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:07,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:07,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:07,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:07,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:07,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:44:07,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:07,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:07,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:07,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:07,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:07,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:07,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1891794676] [2020-09-25 05:44:07,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:07,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:07,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231098180] [2020-09-25 05:44:07,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:07,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:07,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:07,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:07,637 INFO L87 Difference]: Start difference. First operand 179 states and 183 transitions. Second operand 8 states. [2020-09-25 05:44:08,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:08,178 INFO L93 Difference]: Finished difference Result 179 states and 183 transitions. [2020-09-25 05:44:08,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 05:44:08,180 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-09-25 05:44:08,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:08,183 INFO L225 Difference]: With dead ends: 179 [2020-09-25 05:44:08,183 INFO L226 Difference]: Without dead ends: 177 [2020-09-25 05:44:08,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-25 05:44:08,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-09-25 05:44:08,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2020-09-25 05:44:08,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-09-25 05:44:08,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 181 transitions. [2020-09-25 05:44:08,195 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 181 transitions. Word has length 35 [2020-09-25 05:44:08,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:08,195 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 181 transitions. [2020-09-25 05:44:08,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:08,196 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 181 transitions. [2020-09-25 05:44:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-25 05:44:08,197 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:08,198 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] [2020-09-25 05:44:08,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:44:08,198 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:08,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:08,199 INFO L82 PathProgramCache]: Analyzing trace with hash 856839139, now seen corresponding path program 1 times [2020-09-25 05:44:08,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:08,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742623560] [2020-09-25 05:44:08,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:08,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:08,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:08,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:08,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:08,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:09,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:09,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:44:09,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:44:09,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1375 [2020-09-25 05:44:09,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:09,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:09,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:44:09,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:09,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 05:44:09,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:44:09,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:09,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:09,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:09,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:09,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:09,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:09,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:09,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:09,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:09,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:09,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:09,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:09,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742623560] [2020-09-25 05:44:09,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:09,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:09,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737837337] [2020-09-25 05:44:09,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:09,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:09,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:09,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:09,667 INFO L87 Difference]: Start difference. First operand 177 states and 181 transitions. Second operand 8 states. [2020-09-25 05:44:10,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:10,133 INFO L93 Difference]: Finished difference Result 177 states and 181 transitions. [2020-09-25 05:44:10,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:44:10,133 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-09-25 05:44:10,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:10,135 INFO L225 Difference]: With dead ends: 177 [2020-09-25 05:44:10,135 INFO L226 Difference]: Without dead ends: 175 [2020-09-25 05:44:10,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-25 05:44:10,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-25 05:44:10,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2020-09-25 05:44:10,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-09-25 05:44:10,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions. [2020-09-25 05:44:10,146 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 43 [2020-09-25 05:44:10,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:10,146 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions. [2020-09-25 05:44:10,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:10,147 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2020-09-25 05:44:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-09-25 05:44:10,148 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:10,149 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] [2020-09-25 05:44:10,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:44:10,149 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:10,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:10,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1814856032, now seen corresponding path program 1 times [2020-09-25 05:44:10,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:10,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583696876] [2020-09-25 05:44:10,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:10,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:10,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:10,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:10,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:10,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:11,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:11,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:44:11,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:44:11,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1327 [2020-09-25 05:44:11,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:11,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:11,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:44:11,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:11,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 05:44:11,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:11,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:11,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:11,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:11,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:11,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:11,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:44:11,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:11,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:11,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:11,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583696876] [2020-09-25 05:44:11,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:11,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:11,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232266371] [2020-09-25 05:44:11,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:11,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:11,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:11,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:11,579 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand 8 states. [2020-09-25 05:44:11,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:11,995 INFO L93 Difference]: Finished difference Result 175 states and 179 transitions. [2020-09-25 05:44:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:44:11,996 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-09-25 05:44:11,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:11,998 INFO L225 Difference]: With dead ends: 175 [2020-09-25 05:44:11,998 INFO L226 Difference]: Without dead ends: 173 [2020-09-25 05:44:11,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-25 05:44:11,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-09-25 05:44:12,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-09-25 05:44:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-09-25 05:44:12,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 177 transitions. [2020-09-25 05:44:12,006 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 177 transitions. Word has length 43 [2020-09-25 05:44:12,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:12,007 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 177 transitions. [2020-09-25 05:44:12,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:12,007 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 177 transitions. [2020-09-25 05:44:12,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 05:44:12,009 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:12,009 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] [2020-09-25 05:44:12,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:44:12,010 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:12,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:12,010 INFO L82 PathProgramCache]: Analyzing trace with hash -321095215, now seen corresponding path program 1 times [2020-09-25 05:44:12,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:12,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [863072802] [2020-09-25 05:44:12,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:12,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:12,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:12,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:12,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:12,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 05:44:12,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:44:12,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 912 [2020-09-25 05:44:12,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:12,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:12,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:44:12,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 05:44:12,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 05:44:12,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:12,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:12,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:12,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:12,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:12,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:12,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:44:12,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:12,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:12,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:12,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:12,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:12,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:12,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [863072802] [2020-09-25 05:44:12,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:12,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:44:12,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836806854] [2020-09-25 05:44:12,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:44:12,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:12,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:44:12,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:44:12,995 INFO L87 Difference]: Start difference. First operand 173 states and 177 transitions. Second operand 6 states. [2020-09-25 05:44:13,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:13,288 INFO L93 Difference]: Finished difference Result 173 states and 177 transitions. [2020-09-25 05:44:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 05:44:13,289 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-25 05:44:13,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:13,290 INFO L225 Difference]: With dead ends: 173 [2020-09-25 05:44:13,291 INFO L226 Difference]: Without dead ends: 161 [2020-09-25 05:44:13,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:13,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-25 05:44:13,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2020-09-25 05:44:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-09-25 05:44:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 165 transitions. [2020-09-25 05:44:13,299 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 165 transitions. Word has length 48 [2020-09-25 05:44:13,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:13,299 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 165 transitions. [2020-09-25 05:44:13,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:44:13,300 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 165 transitions. [2020-09-25 05:44:13,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 05:44:13,301 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:13,301 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] [2020-09-25 05:44:13,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 05:44:13,302 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:13,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:13,302 INFO L82 PathProgramCache]: Analyzing trace with hash -153858296, now seen corresponding path program 1 times [2020-09-25 05:44:13,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:13,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056872927] [2020-09-25 05:44:13,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:13,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:13,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:13,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:13,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 05:44:13,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:13,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-09-25 05:44:13,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:13,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:44:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 05:44:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 05:44:13,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:13,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:13,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:13,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:13,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:44:13,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:13,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:13,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:13,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:13,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056872927] [2020-09-25 05:44:13,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:13,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:44:13,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002308784] [2020-09-25 05:44:13,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:44:13,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:13,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:44:13,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:44:13,642 INFO L87 Difference]: Start difference. First operand 161 states and 165 transitions. Second operand 7 states. [2020-09-25 05:44:14,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:14,245 INFO L93 Difference]: Finished difference Result 289 states and 296 transitions. [2020-09-25 05:44:14,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:44:14,246 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-09-25 05:44:14,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:14,249 INFO L225 Difference]: With dead ends: 289 [2020-09-25 05:44:14,249 INFO L226 Difference]: Without dead ends: 287 [2020-09-25 05:44:14,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:44:14,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-25 05:44:14,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 159. [2020-09-25 05:44:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-25 05:44:14,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2020-09-25 05:44:14,259 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 48 [2020-09-25 05:44:14,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:14,259 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2020-09-25 05:44:14,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:44:14,260 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2020-09-25 05:44:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-25 05:44:14,265 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:14,265 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] [2020-09-25 05:44:14,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 05:44:14,265 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:14,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:14,266 INFO L82 PathProgramCache]: Analyzing trace with hash -720035671, now seen corresponding path program 1 times [2020-09-25 05:44:14,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:14,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [540860399] [2020-09-25 05:44:14,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:14,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:14,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:14,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:15,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:15,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 05:44:15,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:44:15,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 854 [2020-09-25 05:44:15,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:15,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:15,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:44:15,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 05:44:15,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 05:44:15,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:15,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:15,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:15,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:15,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:15,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:15,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:44:15,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:15,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:15,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:15,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:15,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [540860399] [2020-09-25 05:44:15,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:15,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:44:15,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198721250] [2020-09-25 05:44:15,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:44:15,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:15,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:44:15,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:44:15,192 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 6 states. [2020-09-25 05:44:15,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:15,471 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2020-09-25 05:44:15,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 05:44:15,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-09-25 05:44:15,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:15,473 INFO L225 Difference]: With dead ends: 159 [2020-09-25 05:44:15,474 INFO L226 Difference]: Without dead ends: 147 [2020-09-25 05:44:15,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:15,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-09-25 05:44:15,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-09-25 05:44:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-09-25 05:44:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 151 transitions. [2020-09-25 05:44:15,480 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 151 transitions. Word has length 48 [2020-09-25 05:44:15,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:15,480 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 151 transitions. [2020-09-25 05:44:15,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:44:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions. [2020-09-25 05:44:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 05:44:15,482 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:15,482 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] [2020-09-25 05:44:15,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 05:44:15,482 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:15,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:15,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1338866642, now seen corresponding path program 1 times [2020-09-25 05:44:15,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:15,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123207380] [2020-09-25 05:44:15,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:15,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:15,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:15,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:15,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:44:15,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:15,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-09-25 05:44:15,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:15,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:44:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 05:44:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:44:15,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:15,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:15,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:15,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:15,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:15,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:15,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:15,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:15,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:15,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:15,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:15,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:15,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:15,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123207380] [2020-09-25 05:44:15,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:15,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:44:15,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118306849] [2020-09-25 05:44:15,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:44:15,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:15,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:44:15,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:44:15,844 INFO L87 Difference]: Start difference. First operand 147 states and 151 transitions. Second operand 7 states. [2020-09-25 05:44:16,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:16,256 INFO L93 Difference]: Finished difference Result 227 states and 233 transitions. [2020-09-25 05:44:16,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:44:16,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-25 05:44:16,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:16,258 INFO L225 Difference]: With dead ends: 227 [2020-09-25 05:44:16,258 INFO L226 Difference]: Without dead ends: 225 [2020-09-25 05:44:16,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:44:16,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-09-25 05:44:16,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 145. [2020-09-25 05:44:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-25 05:44:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 149 transitions. [2020-09-25 05:44:16,265 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 149 transitions. Word has length 53 [2020-09-25 05:44:16,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:16,266 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 149 transitions. [2020-09-25 05:44:16,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:44:16,266 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 149 transitions. [2020-09-25 05:44:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 05:44:16,267 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:16,267 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] [2020-09-25 05:44:16,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 05:44:16,267 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:16,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:16,268 INFO L82 PathProgramCache]: Analyzing trace with hash -705283452, now seen corresponding path program 1 times [2020-09-25 05:44:16,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:16,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826666539] [2020-09-25 05:44:16,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:16,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:16,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:16,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:16,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:44:16,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:16,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-25 05:44:16,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:16,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:16,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:44:16,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 05:44:16,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:44:16,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:16,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:16,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:16,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:16,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:16,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:16,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:16,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:16,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:16,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:16,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:16,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:16,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:16,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:16,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1826666539] [2020-09-25 05:44:16,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:16,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:44:16,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503645623] [2020-09-25 05:44:16,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:44:16,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:16,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:44:16,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:44:16,644 INFO L87 Difference]: Start difference. First operand 145 states and 149 transitions. Second operand 7 states. [2020-09-25 05:44:17,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:17,082 INFO L93 Difference]: Finished difference Result 208 states and 214 transitions. [2020-09-25 05:44:17,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:44:17,083 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-25 05:44:17,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:17,085 INFO L225 Difference]: With dead ends: 208 [2020-09-25 05:44:17,085 INFO L226 Difference]: Without dead ends: 206 [2020-09-25 05:44:17,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:44:17,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-09-25 05:44:17,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 143. [2020-09-25 05:44:17,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-09-25 05:44:17,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 147 transitions. [2020-09-25 05:44:17,091 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 147 transitions. Word has length 53 [2020-09-25 05:44:17,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:17,091 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 147 transitions. [2020-09-25 05:44:17,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:44:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2020-09-25 05:44:17,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 05:44:17,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:17,092 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] [2020-09-25 05:44:17,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-25 05:44:17,093 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:17,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:17,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1450324932, now seen corresponding path program 1 times [2020-09-25 05:44:17,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:17,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951333799] [2020-09-25 05:44:17,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:17,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:17,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:17,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:17,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:44:17,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:17,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-25 05:44:17,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:17,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:17,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:44:17,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 05:44:17,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:44:17,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:17,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:17,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:17,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:17,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:17,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:17,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:17,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:17,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:17,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:17,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:44:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:17,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951333799] [2020-09-25 05:44:17,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:17,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:44:17,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089280021] [2020-09-25 05:44:17,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:44:17,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:17,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:44:17,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:44:17,467 INFO L87 Difference]: Start difference. First operand 143 states and 147 transitions. Second operand 7 states. [2020-09-25 05:44:17,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:17,861 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2020-09-25 05:44:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 05:44:17,862 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-25 05:44:17,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:17,864 INFO L225 Difference]: With dead ends: 159 [2020-09-25 05:44:17,864 INFO L226 Difference]: Without dead ends: 157 [2020-09-25 05:44:17,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:44:17,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-25 05:44:17,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 141. [2020-09-25 05:44:17,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-09-25 05:44:17,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 145 transitions. [2020-09-25 05:44:17,873 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 145 transitions. Word has length 53 [2020-09-25 05:44:17,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:17,874 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 145 transitions. [2020-09-25 05:44:17,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:44:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 145 transitions. [2020-09-25 05:44:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 05:44:17,876 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:17,876 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] [2020-09-25 05:44:17,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-25 05:44:17,876 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:17,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:17,877 INFO L82 PathProgramCache]: Analyzing trace with hash -176330525, now seen corresponding path program 1 times [2020-09-25 05:44:17,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:17,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [198413641] [2020-09-25 05:44:17,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:17,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:17,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:18,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:18,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:44:18,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:18,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 702 [2020-09-25 05:44:18,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:18,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:18,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:44:18,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:18,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 05:44:18,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:18,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:18,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:18,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:18,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:18,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:18,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:18,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:18,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:18,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:18,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [198413641] [2020-09-25 05:44:18,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:18,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:18,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241332461] [2020-09-25 05:44:18,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:18,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:18,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:18,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:18,736 INFO L87 Difference]: Start difference. First operand 141 states and 145 transitions. Second operand 8 states. [2020-09-25 05:44:19,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:19,339 INFO L93 Difference]: Finished difference Result 243 states and 250 transitions. [2020-09-25 05:44:19,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:19,340 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-09-25 05:44:19,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:19,341 INFO L225 Difference]: With dead ends: 243 [2020-09-25 05:44:19,342 INFO L226 Difference]: Without dead ends: 241 [2020-09-25 05:44:19,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:19,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-09-25 05:44:19,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 139. [2020-09-25 05:44:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-09-25 05:44:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 143 transitions. [2020-09-25 05:44:19,348 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 143 transitions. Word has length 53 [2020-09-25 05:44:19,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:19,348 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 143 transitions. [2020-09-25 05:44:19,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 143 transitions. [2020-09-25 05:44:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 05:44:19,349 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:19,349 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] [2020-09-25 05:44:19,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-25 05:44:19,350 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:19,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:19,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1223452514, now seen corresponding path program 1 times [2020-09-25 05:44:19,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:19,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549811614] [2020-09-25 05:44:19,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:19,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:19,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:20,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:20,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 05:44:20,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:20,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 986 [2020-09-25 05:44:20,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:20,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:20,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:44:20,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:20,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 05:44:20,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:20,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:20,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:20,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:20,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:20,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:20,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:44:20,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:20,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:20,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:20,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:20,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549811614] [2020-09-25 05:44:20,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:20,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:44:20,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080243150] [2020-09-25 05:44:20,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:44:20,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:20,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:44:20,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:44:20,551 INFO L87 Difference]: Start difference. First operand 139 states and 143 transitions. Second operand 9 states. [2020-09-25 05:44:21,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:21,265 INFO L93 Difference]: Finished difference Result 373 states and 384 transitions. [2020-09-25 05:44:21,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:21,266 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-25 05:44:21,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:21,269 INFO L225 Difference]: With dead ends: 373 [2020-09-25 05:44:21,269 INFO L226 Difference]: Without dead ends: 371 [2020-09-25 05:44:21,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:21,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-09-25 05:44:21,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 178. [2020-09-25 05:44:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-09-25 05:44:21,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 185 transitions. [2020-09-25 05:44:21,292 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 185 transitions. Word has length 58 [2020-09-25 05:44:21,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:21,292 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 185 transitions. [2020-09-25 05:44:21,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:44:21,292 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 185 transitions. [2020-09-25 05:44:21,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 05:44:21,293 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:21,293 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] [2020-09-25 05:44:21,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-25 05:44:21,294 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:21,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:21,295 INFO L82 PathProgramCache]: Analyzing trace with hash 796591608, now seen corresponding path program 1 times [2020-09-25 05:44:21,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:21,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731763901] [2020-09-25 05:44:21,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:21,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:21,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:22,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:22,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 05:44:22,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:22,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 919 [2020-09-25 05:44:22,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:22,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:22,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:44:22,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:22,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 05:44:22,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:22,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:22,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:22,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:22,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:22,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:22,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:22,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:22,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:22,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:22,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:22,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:22,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:22,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:22,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731763901] [2020-09-25 05:44:22,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:22,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:44:22,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361379644] [2020-09-25 05:44:22,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:44:22,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:22,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:44:22,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:44:22,399 INFO L87 Difference]: Start difference. First operand 178 states and 185 transitions. Second operand 9 states. [2020-09-25 05:44:22,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:22,943 INFO L93 Difference]: Finished difference Result 356 states and 367 transitions. [2020-09-25 05:44:22,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:22,944 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-25 05:44:22,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:22,948 INFO L225 Difference]: With dead ends: 356 [2020-09-25 05:44:22,948 INFO L226 Difference]: Without dead ends: 354 [2020-09-25 05:44:22,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:22,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-09-25 05:44:22,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 188. [2020-09-25 05:44:22,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-25 05:44:22,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 195 transitions. [2020-09-25 05:44:22,958 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 195 transitions. Word has length 58 [2020-09-25 05:44:22,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:22,959 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 195 transitions. [2020-09-25 05:44:22,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:44:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 195 transitions. [2020-09-25 05:44:22,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 05:44:22,960 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:22,960 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] [2020-09-25 05:44:22,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-25 05:44:22,960 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:22,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:22,961 INFO L82 PathProgramCache]: Analyzing trace with hash 482062159, now seen corresponding path program 1 times [2020-09-25 05:44:22,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:22,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236944210] [2020-09-25 05:44:22,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:22,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:23,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:23,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:23,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 05:44:23,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:44:23,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 877 [2020-09-25 05:44:23,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:23,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:44:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 05:44:23,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:24,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:24,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:24,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:24,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:24,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:24,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:24,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:24,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:24,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:24,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236944210] [2020-09-25 05:44:24,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:24,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:44:24,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833972465] [2020-09-25 05:44:24,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:44:24,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:24,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:44:24,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:44:24,022 INFO L87 Difference]: Start difference. First operand 188 states and 195 transitions. Second operand 9 states. [2020-09-25 05:44:24,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:24,447 INFO L93 Difference]: Finished difference Result 241 states and 248 transitions. [2020-09-25 05:44:24,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:44:24,447 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-25 05:44:24,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:24,449 INFO L225 Difference]: With dead ends: 241 [2020-09-25 05:44:24,449 INFO L226 Difference]: Without dead ends: 229 [2020-09-25 05:44:24,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-09-25 05:44:24,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-09-25 05:44:24,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 188. [2020-09-25 05:44:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-25 05:44:24,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 194 transitions. [2020-09-25 05:44:24,460 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 194 transitions. Word has length 58 [2020-09-25 05:44:24,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:24,460 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 194 transitions. [2020-09-25 05:44:24,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:44:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 194 transitions. [2020-09-25 05:44:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-25 05:44:24,461 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:24,461 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] [2020-09-25 05:44:24,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-25 05:44:24,462 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:24,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:24,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1558790018, now seen corresponding path program 1 times [2020-09-25 05:44:24,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:24,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674200306] [2020-09-25 05:44:24,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:24,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:24,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:24,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:24,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:26,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:26,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:26,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:27,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:27,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:27,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:29,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:29,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 05:44:29,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-25 05:44:29,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 05:44:29,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:29,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:44:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:29,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 05:44:29,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:29,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:29,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:29,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:29,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:29,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:29,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:29,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:29,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:29,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:29,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674200306] [2020-09-25 05:44:29,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:29,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:29,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785203768] [2020-09-25 05:44:29,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:29,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:29,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:29,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:29,545 INFO L87 Difference]: Start difference. First operand 188 states and 194 transitions. Second operand 8 states. [2020-09-25 05:44:29,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:29,917 INFO L93 Difference]: Finished difference Result 188 states and 194 transitions. [2020-09-25 05:44:29,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 05:44:29,918 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-09-25 05:44:29,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:29,919 INFO L225 Difference]: With dead ends: 188 [2020-09-25 05:44:29,920 INFO L226 Difference]: Without dead ends: 186 [2020-09-25 05:44:29,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-25 05:44:29,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-09-25 05:44:29,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2020-09-25 05:44:29,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-09-25 05:44:29,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 192 transitions. [2020-09-25 05:44:29,927 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 192 transitions. Word has length 66 [2020-09-25 05:44:29,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:29,928 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 192 transitions. [2020-09-25 05:44:29,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:29,928 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 192 transitions. [2020-09-25 05:44:29,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 05:44:29,929 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:29,929 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] [2020-09-25 05:44:29,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-25 05:44:29,930 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:29,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:29,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1265666810, now seen corresponding path program 1 times [2020-09-25 05:44:29,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:29,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24847371] [2020-09-25 05:44:29,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:29,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:30,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:30,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:33,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:33,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-25 05:44:33,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:44:33,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3723 [2020-09-25 05:44:33,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:33,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 05:44:33,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:33,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 05:44:33,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:33,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:33,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:33,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:33,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:33,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:33,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:33,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:33,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:33,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:33,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:33,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:33,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:33,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24847371] [2020-09-25 05:44:33,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:33,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:33,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280970571] [2020-09-25 05:44:33,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:33,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:33,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:33,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:33,819 INFO L87 Difference]: Start difference. First operand 186 states and 192 transitions. Second operand 8 states. [2020-09-25 05:44:34,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:34,395 INFO L93 Difference]: Finished difference Result 249 states and 257 transitions. [2020-09-25 05:44:34,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:34,396 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2020-09-25 05:44:34,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:34,398 INFO L225 Difference]: With dead ends: 249 [2020-09-25 05:44:34,398 INFO L226 Difference]: Without dead ends: 247 [2020-09-25 05:44:34,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:34,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-09-25 05:44:34,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 174. [2020-09-25 05:44:34,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-09-25 05:44:34,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 180 transitions. [2020-09-25 05:44:34,408 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 180 transitions. Word has length 71 [2020-09-25 05:44:34,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:34,408 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 180 transitions. [2020-09-25 05:44:34,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 180 transitions. [2020-09-25 05:44:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 05:44:34,409 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:34,409 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] [2020-09-25 05:44:34,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-25 05:44:34,410 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:34,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:34,410 INFO L82 PathProgramCache]: Analyzing trace with hash 923424153, now seen corresponding path program 1 times [2020-09-25 05:44:34,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:34,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813283716] [2020-09-25 05:44:34,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:34,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:34,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:34,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:34,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:37,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:37,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-25 05:44:37,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:44:37,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2791 [2020-09-25 05:44:37,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:37,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:44:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-25 05:44:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 05:44:37,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:37,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:37,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:37,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:37,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:37,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:37,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:37,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:37,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:37,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:37,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:37,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:37,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:44:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:37,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813283716] [2020-09-25 05:44:37,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:37,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:44:37,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475413616] [2020-09-25 05:44:37,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:44:37,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:37,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:44:37,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:44:37,281 INFO L87 Difference]: Start difference. First operand 174 states and 180 transitions. Second operand 6 states. [2020-09-25 05:44:37,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:37,629 INFO L93 Difference]: Finished difference Result 174 states and 180 transitions. [2020-09-25 05:44:37,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 05:44:37,630 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2020-09-25 05:44:37,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:37,632 INFO L225 Difference]: With dead ends: 174 [2020-09-25 05:44:37,632 INFO L226 Difference]: Without dead ends: 162 [2020-09-25 05:44:37,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:37,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-09-25 05:44:37,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-09-25 05:44:37,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-25 05:44:37,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 168 transitions. [2020-09-25 05:44:37,643 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 168 transitions. Word has length 71 [2020-09-25 05:44:37,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:37,643 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 168 transitions. [2020-09-25 05:44:37,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:44:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 168 transitions. [2020-09-25 05:44:37,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-25 05:44:37,644 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:37,645 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] [2020-09-25 05:44:37,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-25 05:44:37,645 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:37,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:37,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1365165616, now seen corresponding path program 1 times [2020-09-25 05:44:37,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:37,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080521484] [2020-09-25 05:44:37,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:37,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:37,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:37,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:41,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:41,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:44:41,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:44:41,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3750 [2020-09-25 05:44:41,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:41,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:41,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 05:44:41,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:41,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 05:44:41,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:41,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:41,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:41,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:41,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:41,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:41,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:44:41,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:41,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:41,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:41,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080521484] [2020-09-25 05:44:41,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:41,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:41,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231796441] [2020-09-25 05:44:41,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:41,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:41,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:41,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:41,567 INFO L87 Difference]: Start difference. First operand 162 states and 168 transitions. Second operand 8 states. [2020-09-25 05:44:42,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:42,007 INFO L93 Difference]: Finished difference Result 210 states and 218 transitions. [2020-09-25 05:44:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 05:44:42,008 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-09-25 05:44:42,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:42,009 INFO L225 Difference]: With dead ends: 210 [2020-09-25 05:44:42,010 INFO L226 Difference]: Without dead ends: 208 [2020-09-25 05:44:42,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:44:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-25 05:44:42,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 145. [2020-09-25 05:44:42,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-25 05:44:42,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 150 transitions. [2020-09-25 05:44:42,018 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 150 transitions. Word has length 78 [2020-09-25 05:44:42,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:42,018 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 150 transitions. [2020-09-25 05:44:42,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions. [2020-09-25 05:44:42,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-25 05:44:42,019 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:44:42,020 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] [2020-09-25 05:44:42,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-25 05:44:42,022 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:44:42,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:44:42,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1050636167, now seen corresponding path program 1 times [2020-09-25 05:44:42,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:44:42,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1230041617] [2020-09-25 05:44:42,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:44:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:42,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:42,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:42,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:45,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:45,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:44:45,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:44:45,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3950 [2020-09-25 05:44:45,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:45,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:45,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 05:44:45,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:44:45,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 05:44:45,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:46,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:44:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:44:46,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:44:46,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:44:46,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:44:46,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:44:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:44:46,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:44:46,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:44:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:44:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:44:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:44:46,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:44:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:44:46,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1230041617] [2020-09-25 05:44:46,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:44:46,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:44:46,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052041361] [2020-09-25 05:44:46,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:44:46,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:44:46,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:44:46,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:44:46,114 INFO L87 Difference]: Start difference. First operand 145 states and 150 transitions. Second operand 8 states. [2020-09-25 05:44:46,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:44:46,452 INFO L93 Difference]: Finished difference Result 145 states and 150 transitions. [2020-09-25 05:44:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:44:46,452 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-09-25 05:44:46,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:44:46,453 INFO L225 Difference]: With dead ends: 145 [2020-09-25 05:44:46,453 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:44:46,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-09-25 05:44:46,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:44:46,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:44:46,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:44:46,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:44:46,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-09-25 05:44:46,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:44:46,456 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:44:46,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:44:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:44:46,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:44:46,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-25 05:44:46,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:44:46,574 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 21 [2020-09-25 05:44:46,726 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 53 [2020-09-25 05:44:46,866 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 58 [2020-09-25 05:44:47,094 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 17 [2020-09-25 05:44:47,243 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 16 [2020-09-25 05:44:47,321 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 05:44:47,321 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-09-25 05:44:47,321 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-25 05:44:47,322 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-09-25 05:44:47,323 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_383_0~0 |old(~__tmp_383_0~0)|) (= ~__tmp_247_0~0 |old(~__tmp_247_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_305~0 |old(~__return_305~0)|)) [2020-09-25 05:44:47,323 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 05:44:47,323 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 05:44:47,323 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 05:44:47,323 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 05:44:47,323 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 05:44:47,324 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-09-25 05:44:47,324 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-09-25 05:44:47,324 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed. [2020-09-25 05:44:47,324 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed. [2020-09-25 05:44:47,324 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-09-25 05:44:47,324 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-09-25 05:44:47,324 INFO L268 CegarLoopResult]: For program point L349(line 349) no Hoare annotation was computed. [2020-09-25 05:44:47,325 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-09-25 05:44:47,325 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 373) no Hoare annotation was computed. [2020-09-25 05:44:47,326 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-25 05:44:47,326 INFO L268 CegarLoopResult]: For program point L151(lines 151 159) no Hoare annotation was computed. [2020-09-25 05:44:47,326 INFO L268 CegarLoopResult]: For program point L52(lines 52 252) no Hoare annotation was computed. [2020-09-25 05:44:47,327 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-09-25 05:44:47,327 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-25 05:44:47,327 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-09-25 05:44:47,327 INFO L268 CegarLoopResult]: For program point L69(lines 69 93) no Hoare annotation was computed. [2020-09-25 05:44:47,327 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-09-25 05:44:47,328 INFO L268 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed. [2020-09-25 05:44:47,328 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-25 05:44:47,328 INFO L268 CegarLoopResult]: For program point L185(lines 185 195) no Hoare annotation was computed. [2020-09-25 05:44:47,328 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-09-25 05:44:47,328 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-25 05:44:47,328 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-09-25 05:44:47,328 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 308) no Hoare annotation was computed. [2020-09-25 05:44:47,329 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-25 05:44:47,330 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-25 05:44:47,330 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-25 05:44:47,331 INFO L268 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed. [2020-09-25 05:44:47,331 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-25 05:44:47,332 INFO L268 CegarLoopResult]: For program point L103-2(line 103) no Hoare annotation was computed. [2020-09-25 05:44:47,332 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-25 05:44:47,332 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-25 05:44:47,332 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-09-25 05:44:47,332 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-09-25 05:44:47,332 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-09-25 05:44:47,332 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-25 05:44:47,332 INFO L268 CegarLoopResult]: For program point L335(lines 335 358) no Hoare annotation was computed. [2020-09-25 05:44:47,332 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-09-25 05:44:47,333 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 373) no Hoare annotation was computed. [2020-09-25 05:44:47,333 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-09-25 05:44:47,333 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 296) no Hoare annotation was computed. [2020-09-25 05:44:47,333 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-25 05:44:47,333 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-25 05:44:47,333 INFO L268 CegarLoopResult]: For program point L104(lines 104 208) no Hoare annotation was computed. [2020-09-25 05:44:47,333 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-25 05:44:47,333 INFO L268 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-09-25 05:44:47,333 INFO L268 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-09-25 05:44:47,334 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-09-25 05:44:47,334 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-25 05:44:47,334 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-25 05:44:47,335 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-25 05:44:47,335 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-25 05:44:47,335 INFO L268 CegarLoopResult]: For program point L22(lines 22 367) no Hoare annotation was computed. [2020-09-25 05:44:47,335 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-25 05:44:47,335 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-25 05:44:47,335 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-09-25 05:44:47,335 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-25 05:44:47,335 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-09-25 05:44:47,336 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-25 05:44:47,336 INFO L268 CegarLoopResult]: For program point L287(lines 287 361) no Hoare annotation was computed. [2020-09-25 05:44:47,336 INFO L268 CegarLoopResult]: For program point L221(lines 221 243) no Hoare annotation was computed. [2020-09-25 05:44:47,336 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-09-25 05:44:47,336 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-09-25 05:44:47,336 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-09-25 05:44:47,336 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-09-25 05:44:47,336 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-25 05:44:47,336 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 337) no Hoare annotation was computed. [2020-09-25 05:44:47,337 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-25 05:44:47,337 INFO L268 CegarLoopResult]: For program point L139(lines 139 161) no Hoare annotation was computed. [2020-09-25 05:44:47,337 INFO L268 CegarLoopResult]: For program point L40(lines 40 254) no Hoare annotation was computed. [2020-09-25 05:44:47,337 INFO L268 CegarLoopResult]: For program point L354(line 354) no Hoare annotation was computed. [2020-09-25 05:44:47,337 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-25 05:44:47,337 INFO L268 CegarLoopResult]: For program point L123(lines 123 200) no Hoare annotation was computed. [2020-09-25 05:44:47,337 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-25 05:44:47,337 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-09-25 05:44:47,338 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-25 05:44:47,338 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-09-25 05:44:47,338 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-09-25 05:44:47,338 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-09-25 05:44:47,338 INFO L268 CegarLoopResult]: For program point L173(lines 173 197) no Hoare annotation was computed. [2020-09-25 05:44:47,338 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-09-25 05:44:47,338 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-09-25 05:44:47,338 INFO L264 CegarLoopResult]: At program point L355(lines 281 362) the Hoare annotation is: (and (not (= main_~__tmp_14~0 0)) (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= 0 main_~main__t~0)) [2020-09-25 05:44:47,339 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-09-25 05:44:47,339 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-09-25 05:44:47,339 INFO L268 CegarLoopResult]: For program point L322-2(line 322) no Hoare annotation was computed. [2020-09-25 05:44:47,339 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-09-25 05:44:47,339 INFO L268 CegarLoopResult]: For program point L306(lines 306 314) no Hoare annotation was computed. [2020-09-25 05:44:47,339 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-09-25 05:44:47,339 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-09-25 05:44:47,339 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-09-25 05:44:47,340 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-09-25 05:44:47,340 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-09-25 05:44:47,340 INFO L268 CegarLoopResult]: For program point L323(lines 323 360) no Hoare annotation was computed. [2020-09-25 05:44:47,341 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-09-25 05:44:47,341 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-09-25 05:44:47,341 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2020-09-25 05:44:47,341 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-09-25 05:44:47,341 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-09-25 05:44:47,341 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-25 05:44:47,341 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-25 05:44:47,341 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-25 05:44:47,341 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-25 05:44:47,342 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-25 05:44:47,342 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-25 05:44:47,342 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-09-25 05:44:47,342 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-09-25 05:44:47,342 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-09-25 05:44:47,342 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-09-25 05:44:47,342 INFO L268 CegarLoopResult]: For program point L275(lines 275 362) no Hoare annotation was computed. [2020-09-25 05:44:47,342 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-09-25 05:44:47,342 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-25 05:44:47,343 INFO L268 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-09-25 05:44:47,343 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2020-09-25 05:44:47,343 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-25 05:44:47,343 INFO L268 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-09-25 05:44:47,343 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-25 05:44:47,343 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-25 05:44:47,343 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 141) no Hoare annotation was computed. [2020-09-25 05:44:47,343 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-09-25 05:44:47,343 INFO L268 CegarLoopResult]: For program point L111(lines 111 202) no Hoare annotation was computed. [2020-09-25 05:44:47,344 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-09-25 05:44:47,344 INFO L264 CegarLoopResult]: At program point L326(lines 30 366) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2020-09-25 05:44:47,344 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-09-25 05:44:47,344 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-25 05:44:47,345 INFO L264 CegarLoopResult]: At program point L194(lines 58 252) the Hoare annotation is: (and (<= 1 main_~main__t~0) (<= 1 main_~__tmp_2~0) (<= 1 main_~__tmp_1~0) (< main_~main__t~0 (+ main_~main__tagbuf_len~0 1)) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__VERIFIER_assert__cond~1)) [2020-09-25 05:44:47,345 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-25 05:44:47,346 INFO L268 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-09-25 05:44:47,346 INFO L268 CegarLoopResult]: For program point L29-2(line 29) no Hoare annotation was computed. [2020-09-25 05:44:47,346 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2020-09-25 05:44:47,346 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-09-25 05:44:47,346 INFO L268 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-09-25 05:44:47,346 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-25 05:44:47,346 INFO L268 CegarLoopResult]: For program point L294(lines 294 316) no Hoare annotation was computed. [2020-09-25 05:44:47,346 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-09-25 05:44:47,347 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2020-09-25 05:44:47,347 INFO L268 CegarLoopResult]: For program point L30(lines 30 366) no Hoare annotation was computed. [2020-09-25 05:44:47,347 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 373) the Hoare annotation is: (and (= |old(~__tmp_247_0~0)| ~__tmp_247_0~0) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0)) [2020-09-25 05:44:47,347 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-25 05:44:47,347 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed. [2020-09-25 05:44:47,347 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-09-25 05:44:47,347 INFO L268 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-09-25 05:44:47,347 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-25 05:44:47,348 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 349) no Hoare annotation was computed. [2020-09-25 05:44:47,348 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-09-25 05:44:47,348 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-25 05:44:47,348 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-25 05:44:47,348 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-09-25 05:44:47,348 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 153) no Hoare annotation was computed. [2020-09-25 05:44:47,348 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-25 05:44:47,348 INFO L268 CegarLoopResult]: For program point L213-1(line 213) no Hoare annotation was computed. [2020-09-25 05:44:47,348 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-09-25 05:44:47,348 INFO L268 CegarLoopResult]: For program point L213-2(line 213) no Hoare annotation was computed. [2020-09-25 05:44:47,349 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-09-25 05:44:47,349 INFO L268 CegarLoopResult]: For program point L81(lines 81 91) no Hoare annotation was computed. [2020-09-25 05:44:47,349 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-09-25 05:44:47,349 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-09-25 05:44:47,349 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-09-25 05:44:47,349 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-25 05:44:47,349 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-25 05:44:47,349 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-09-25 05:44:47,349 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-09-25 05:44:47,349 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-09-25 05:44:47,350 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2020-09-25 05:44:47,350 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-09-25 05:44:47,350 INFO L264 CegarLoopResult]: At program point L313(lines 30 366) the Hoare annotation is: (<= 0 main_~main__t~0) [2020-09-25 05:44:47,350 INFO L268 CegarLoopResult]: For program point L214(lines 214 249) no Hoare annotation was computed. [2020-09-25 05:44:47,350 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-25 05:44:47,350 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-25 05:44:47,350 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-25 05:44:47,350 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-25 05:44:47,350 INFO L268 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-09-25 05:44:47,351 INFO L268 CegarLoopResult]: For program point L264(lines 264 364) no Hoare annotation was computed. [2020-09-25 05:44:47,351 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-25 05:44:47,351 INFO L268 CegarLoopResult]: For program point L132(lines 132 199) no Hoare annotation was computed. [2020-09-25 05:44:47,351 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-09-25 05:44:47,351 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-25 05:44:47,351 INFO L268 CegarLoopResult]: For program point L99-1(line 99) no Hoare annotation was computed. [2020-09-25 05:44:47,351 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2020-09-25 05:44:47,351 INFO L268 CegarLoopResult]: For program point L99-2(line 99) no Hoare annotation was computed. [2020-09-25 05:44:47,352 INFO L268 CegarLoopResult]: For program point L347(lines 347 356) no Hoare annotation was computed. [2020-09-25 05:44:47,352 INFO L264 CegarLoopResult]: At program point L248(lines 100 250) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (<= 1 main_~main__t~0) (<= 1 main_~__tmp_2~0) (<= 1 main_~__tmp_1~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__VERIFIER_assert__cond~1)) [2020-09-25 05:44:47,352 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-09-25 05:44:47,352 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-25 05:44:47,352 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-25 05:44:47,352 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-09-25 05:44:47,352 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-25 05:44:47,352 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-25 05:44:47,352 INFO L268 CegarLoopResult]: For program point L17-2(line 17) no Hoare annotation was computed. [2020-09-25 05:44:47,353 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-09-25 05:44:47,353 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-25 05:44:47,353 INFO L268 CegarLoopResult]: For program point L100(lines 100 250) no Hoare annotation was computed. [2020-09-25 05:44:47,353 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-25 05:44:47,353 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-09-25 05:44:47,353 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-09-25 05:44:47,353 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-09-25 05:44:47,353 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-25 05:44:47,353 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-09-25 05:44:47,354 INFO L268 CegarLoopResult]: For program point L18(lines 18 372) no Hoare annotation was computed. [2020-09-25 05:44:47,354 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed. [2020-09-25 05:44:47,354 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-09-25 05:44:47,354 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-09-25 05:44:47,354 INFO L268 CegarLoopResult]: For program point L233(lines 233 241) no Hoare annotation was computed. [2020-09-25 05:44:47,354 INFO L268 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-09-25 05:44:47,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 05:44:47 BoogieIcfgContainer [2020-09-25 05:44:47,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 05:44:47,395 INFO L168 Benchmark]: Toolchain (without parser) took 43909.64 ms. Allocated memory was 137.4 MB in the beginning and 478.2 MB in the end (delta: 340.8 MB). Free memory was 100.1 MB in the beginning and 154.7 MB in the end (delta: -54.6 MB). Peak memory consumption was 286.2 MB. Max. memory is 7.1 GB. [2020-09-25 05:44:47,395 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 05:44:47,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.21 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 99.4 MB in the beginning and 178.5 MB in the end (delta: -79.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-09-25 05:44:47,397 INFO L168 Benchmark]: Boogie Preprocessor took 46.68 ms. Allocated memory is still 199.8 MB. Free memory was 177.8 MB in the beginning and 176.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-09-25 05:44:47,399 INFO L168 Benchmark]: RCFGBuilder took 641.73 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 140.5 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2020-09-25 05:44:47,399 INFO L168 Benchmark]: TraceAbstraction took 42638.26 ms. Allocated memory was 199.8 MB in the beginning and 478.2 MB in the end (delta: 278.4 MB). Free memory was 139.8 MB in the beginning and 154.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 263.5 MB. Max. memory is 7.1 GB. [2020-09-25 05:44:47,409 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 565.21 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 99.4 MB in the beginning and 178.5 MB in the end (delta: -79.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.68 ms. Allocated memory is still 199.8 MB. Free memory was 177.8 MB in the beginning and 176.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 641.73 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 140.5 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 42638.26 ms. Allocated memory was 199.8 MB in the beginning and 478.2 MB in the end (delta: 278.4 MB). Free memory was 139.8 MB in the beginning and 154.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 263.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 337]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 349]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 153]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 296]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 223]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 308]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 277]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 113]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 235]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 141]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 125]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 54]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: main__t + 1 <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((((1 <= main__t && 1 <= __tmp_2) && 1 <= __tmp_1) && main__t < main__tagbuf_len + 1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((main__t + 1 <= main__tagbuf_len && 1 <= main__t) && 1 <= __tmp_2) && 1 <= __tmp_1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((!(__tmp_14 == 0) && main__t + 1 <= main__tagbuf_len) && !(__VERIFIER_assert__cond == 0)) && 0 <= main__t - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 214 locations, 17 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.6s, OverallIterations: 20, TraceHistogramMax: 1, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3147 SDtfs, 6226 SDslu, 6662 SDs, 0 SdLazy, 7200 SolverSat, 224 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 294 GetRequests, 61 SyntacticMatches, 16 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 1031 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 96 HoareAnnotationTreeSize, 9 FomulaSimplifications, 123133 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5065 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 31.0s InterpolantComputationTime, 1078 NumberOfCodeBlocks, 1078 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1058 ConstructedInterpolants, 0 QuantifiedInterpolants, 208339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...