/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:13:54,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:13:54,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:13:54,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:13:54,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:13:54,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:13:54,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:13:54,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:13:54,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:13:54,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:13:54,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:13:54,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:13:54,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:13:54,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:13:54,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:13:54,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:13:54,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:13:54,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:13:54,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:13:54,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:13:54,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:13:54,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:13:54,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:13:54,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:13:54,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:13:54,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:13:54,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:13:54,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:13:54,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:13:54,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:13:54,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:13:54,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:13:54,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:13:54,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:13:54,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:13:54,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:13:54,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:13:54,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:13:54,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:13:54,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:13:54,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:13:54,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 11:13:54,894 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:13:54,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:13:54,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:13:54,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:13:54,896 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:13:54,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:13:54,896 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:13:54,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:13:54,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:13:54,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:13:54,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:13:54,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:13:54,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:13:54,898 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:13:54,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:13:54,898 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:13:54,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:13:54,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:13:54,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:13:54,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:13:54,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:13:54,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:13:54,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:13:54,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:13:54,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:13:54,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:13:54,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:13:54,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:13:54,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:13:54,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 11:13:55,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:13:55,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:13:55,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:13:55,257 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:13:55,258 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:13:55,258 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label31.c [2020-10-12 11:13:55,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff321489e/dee428e6746345848b587ea862755753/FLAG7f5d985f1 [2020-10-12 11:13:55,880 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:13:55,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label31.c [2020-10-12 11:13:55,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff321489e/dee428e6746345848b587ea862755753/FLAG7f5d985f1 [2020-10-12 11:13:56,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff321489e/dee428e6746345848b587ea862755753 [2020-10-12 11:13:56,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:13:56,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:13:56,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:13:56,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:13:56,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:13:56,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:13:56" (1/1) ... [2020-10-12 11:13:56,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc622fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:56, skipping insertion in model container [2020-10-12 11:13:56,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:13:56" (1/1) ... [2020-10-12 11:13:56,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:13:56,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:13:56,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:13:56,790 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:13:56,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:13:56,919 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:13:56,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:56 WrapperNode [2020-10-12 11:13:56,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:13:56,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:13:56,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:13:56,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:13:56,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:56" (1/1) ... [2020-10-12 11:13:56,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:56" (1/1) ... [2020-10-12 11:13:56,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:56" (1/1) ... [2020-10-12 11:13:56,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:56" (1/1) ... [2020-10-12 11:13:56,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:56" (1/1) ... [2020-10-12 11:13:57,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:56" (1/1) ... [2020-10-12 11:13:57,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:56" (1/1) ... [2020-10-12 11:13:57,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:13:57,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:13:57,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:13:57,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:13:57,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:13:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:13:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:13:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:13:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:13:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:13:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:13:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:13:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:13:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:13:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:13:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:13:58,339 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:13:58,339 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:13:58,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:58 BoogieIcfgContainer [2020-10-12 11:13:58,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:13:58,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:13:58,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:13:58,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:13:58,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:13:56" (1/3) ... [2020-10-12 11:13:58,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@106bd02c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:58, skipping insertion in model container [2020-10-12 11:13:58,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:56" (2/3) ... [2020-10-12 11:13:58,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@106bd02c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:58, skipping insertion in model container [2020-10-12 11:13:58,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:58" (3/3) ... [2020-10-12 11:13:58,356 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label31.c [2020-10-12 11:13:58,367 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:13:58,376 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:13:58,390 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:13:58,420 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:13:58,422 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:13:58,422 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:13:58,422 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:13:58,422 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:13:58,422 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:13:58,423 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:13:58,423 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:13:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-12 11:13:58,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-12 11:13:58,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:58,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:58,479 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:58,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:58,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1634450302, now seen corresponding path program 1 times [2020-10-12 11:13:58,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:58,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999002364] [2020-10-12 11:13:58,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:58,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:59,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:00,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:00,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-12 11:14:00,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:00,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1451 [2020-10-12 11:14:00,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 11:14:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:14:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:14:00,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:14:00,934 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-10-12 11:14:01,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:01,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:01,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:01,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:01,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:01,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:14:01,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:01,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:01,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:01,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:14:01,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:01,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999002364] [2020-10-12 11:14:01,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:14:01,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 11:14:01,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714592479] [2020-10-12 11:14:01,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 11:14:01,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:01,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 11:14:01,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:14:01,541 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 11 states. [2020-10-12 11:14:02,004 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2020-10-12 11:14:02,287 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2020-10-12 11:14:02,578 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2020-10-12 11:14:02,860 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2020-10-12 11:14:03,385 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2020-10-12 11:14:03,896 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 75 [2020-10-12 11:14:05,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:05,234 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-12 11:14:05,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:14:05,237 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 122 [2020-10-12 11:14:05,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:05,252 INFO L225 Difference]: With dead ends: 536 [2020-10-12 11:14:05,253 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:14:05,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:14:05,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:14:05,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:14:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:14:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-12 11:14:05,328 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 122 [2020-10-12 11:14:05,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:05,329 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-12 11:14:05,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 11:14:05,329 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-12 11:14:05,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-12 11:14:05,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:05,334 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:05,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:14:05,334 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:05,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:05,335 INFO L82 PathProgramCache]: Analyzing trace with hash 695812399, now seen corresponding path program 1 times [2020-10-12 11:14:05,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:05,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1802152882] [2020-10-12 11:14:05,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:05,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:05,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:06,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:06,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:06,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 11:14:06,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:06,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1380 [2020-10-12 11:14:06,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:06,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:06,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 11:14:06,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:14:06,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:07,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:07,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:07,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:07,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:07,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:07,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:14:07,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:07,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:07,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:07,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:07,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:07,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:14:07,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:14:07,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:14:07,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:07,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1802152882] [2020-10-12 11:14:07,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:07,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:07,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563521689] [2020-10-12 11:14:07,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:07,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:07,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:07,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:07,527 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-12 11:14:09,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:09,514 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-12 11:14:09,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 11:14:09,515 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 131 [2020-10-12 11:14:09,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:09,518 INFO L225 Difference]: With dead ends: 549 [2020-10-12 11:14:09,519 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:14:09,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:14:09,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:14:09,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:14:09,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:14:09,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-12 11:14:09,540 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 131 [2020-10-12 11:14:09,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:09,540 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-12 11:14:09,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:09,541 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-12 11:14:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-12 11:14:09,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:09,544 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:09,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:14:09,544 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:09,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:09,544 INFO L82 PathProgramCache]: Analyzing trace with hash -421178969, now seen corresponding path program 1 times [2020-10-12 11:14:09,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:09,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1683649310] [2020-10-12 11:14:09,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:09,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:09,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:09,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:10,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:10,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 11:14:10,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:10,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1394 [2020-10-12 11:14:10,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:10,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:10,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 11:14:10,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 11:14:10,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:11,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:11,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:11,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:11,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:11,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:11,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:14:11,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:11,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:11,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:11,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:11,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:11,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:11,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:11,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:11,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:14:11,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:11,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 11:14:11,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:11,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:11,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:11,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 11:14:11,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:12,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1683649310] [2020-10-12 11:14:12,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:12,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:12,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466069389] [2020-10-12 11:14:12,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:12,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:12,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:12,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:12,204 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-12 11:14:12,774 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2020-10-12 11:14:12,999 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2020-10-12 11:14:13,483 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2020-10-12 11:14:13,927 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2020-10-12 11:14:14,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:14,521 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-12 11:14:14,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:14:14,524 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 135 [2020-10-12 11:14:14,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:14,528 INFO L225 Difference]: With dead ends: 554 [2020-10-12 11:14:14,529 INFO L226 Difference]: Without dead ends: 327 [2020-10-12 11:14:14,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:14:14,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-12 11:14:14,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-12 11:14:14,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:14:14,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-12 11:14:14,554 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 135 [2020-10-12 11:14:14,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:14,554 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-12 11:14:14,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:14,555 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-12 11:14:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 11:14:14,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:14,558 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:14,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:14:14,559 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:14,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:14,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1328519679, now seen corresponding path program 1 times [2020-10-12 11:14:14,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:14,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878045682] [2020-10-12 11:14:14,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:14,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:14,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:15,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:15,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 11:14:15,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:15,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-10-12 11:14:15,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:14:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-12 11:14:15,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:15,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:15,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:15,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:15,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:15,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:15,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:15,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:15,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:15,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:15,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:15,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:15,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:14:15,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:15,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:14:15,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:15,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:15,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:15,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:14:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:15,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:15,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:15,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:14:15,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 11:14:15,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:15,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:15,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:15,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:14:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 11:14:15,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878045682] [2020-10-12 11:14:15,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:15,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:14:15,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139790146] [2020-10-12 11:14:15,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:14:15,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:15,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:14:15,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:14:15,427 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-12 11:14:15,748 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-10-12 11:14:16,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:16,856 INFO L93 Difference]: Finished difference Result 724 states and 951 transitions. [2020-10-12 11:14:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:14:16,856 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-12 11:14:16,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:16,861 INFO L225 Difference]: With dead ends: 724 [2020-10-12 11:14:16,861 INFO L226 Difference]: Without dead ends: 323 [2020-10-12 11:14:16,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:14:16,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-12 11:14:16,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 318. [2020-10-12 11:14:16,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:14:16,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 395 transitions. [2020-10-12 11:14:16,900 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 395 transitions. Word has length 157 [2020-10-12 11:14:16,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:16,901 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 395 transitions. [2020-10-12 11:14:16,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:14:16,901 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 395 transitions. [2020-10-12 11:14:16,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-12 11:14:16,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:16,910 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:16,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:14:16,911 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:16,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:16,911 INFO L82 PathProgramCache]: Analyzing trace with hash -674277890, now seen corresponding path program 1 times [2020-10-12 11:14:16,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:16,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605680889] [2020-10-12 11:14:16,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:16,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:17,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:17,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:18,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:18,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-12 11:14:18,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:14:18,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1229 [2020-10-12 11:14:18,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:18,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:14:18,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 11:14:18,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 11:14:18,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:18,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:18,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:18,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:18,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:18,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:18,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:18,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:18,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:18,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:18,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:18,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:18,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:18,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:14:18,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:18,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 11:14:18,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:18,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:18,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:18,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:14:18,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:18,812 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:14:18,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605680889] [2020-10-12 11:14:18,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:18,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:14:18,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046684765] [2020-10-12 11:14:18,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:14:18,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:18,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:14:18,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:14:18,816 INFO L87 Difference]: Start difference. First operand 318 states and 395 transitions. Second operand 12 states. [2020-10-12 11:14:20,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:20,360 INFO L93 Difference]: Finished difference Result 723 states and 948 transitions. [2020-10-12 11:14:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:14:20,361 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 156 [2020-10-12 11:14:20,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:20,365 INFO L225 Difference]: With dead ends: 723 [2020-10-12 11:14:20,365 INFO L226 Difference]: Without dead ends: 401 [2020-10-12 11:14:20,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-12 11:14:20,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-12 11:14:20,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 394. [2020-10-12 11:14:20,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-12 11:14:20,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 475 transitions. [2020-10-12 11:14:20,383 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 475 transitions. Word has length 156 [2020-10-12 11:14:20,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:20,384 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 475 transitions. [2020-10-12 11:14:20,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:14:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 475 transitions. [2020-10-12 11:14:20,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-12 11:14:20,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:20,387 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:20,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:14:20,387 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:20,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:20,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1945949017, now seen corresponding path program 1 times [2020-10-12 11:14:20,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:20,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322570923] [2020-10-12 11:14:20,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:20,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:20,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:20,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:20,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:22,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:22,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-12 11:14:22,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:14:22,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1949 [2020-10-12 11:14:22,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:14:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:14:22,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-12 11:14:22,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:22,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:22,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:22,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:22,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:22,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:22,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:14:22,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:22,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:22,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:22,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:14:22,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:22,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:22,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:22,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:22,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:22,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:14:22,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:22,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-12 11:14:22,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:22,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:22,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:22,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:14:22,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:14:22,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:14:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:22,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:22,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:22,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:22,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:14:22,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:22,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 11:14:22,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:14:22,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:22,744 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 11:14:22,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322570923] [2020-10-12 11:14:22,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:22,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:14:22,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773414481] [2020-10-12 11:14:22,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:14:22,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:22,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:14:22,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:14:22,748 INFO L87 Difference]: Start difference. First operand 394 states and 475 transitions. Second operand 7 states. [2020-10-12 11:14:23,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:23,987 INFO L93 Difference]: Finished difference Result 948 states and 1201 transitions. [2020-10-12 11:14:23,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:14:23,988 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2020-10-12 11:14:23,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:23,993 INFO L225 Difference]: With dead ends: 948 [2020-10-12 11:14:23,993 INFO L226 Difference]: Without dead ends: 560 [2020-10-12 11:14:23,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-12 11:14:23,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-12 11:14:24,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 541. [2020-10-12 11:14:24,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-10-12 11:14:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 689 transitions. [2020-10-12 11:14:24,039 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 689 transitions. Word has length 164 [2020-10-12 11:14:24,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:24,040 INFO L479 AbstractCegarLoop]: Abstraction has 541 states and 689 transitions. [2020-10-12 11:14:24,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:14:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 689 transitions. [2020-10-12 11:14:24,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-12 11:14:24,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:24,044 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:24,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:14:24,045 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:24,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:24,048 INFO L82 PathProgramCache]: Analyzing trace with hash 2013057192, now seen corresponding path program 1 times [2020-10-12 11:14:24,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:24,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [937797711] [2020-10-12 11:14:24,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:24,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:24,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:24,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:24,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:25,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:26,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:26,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:26,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:27,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:27,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 11:14:27,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 11:14:27,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3323 [2020-10-12 11:14:27,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:14:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:14:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 11:14:27,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:27,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:27,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:27,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:27,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:27,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:27,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:14:27,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:27,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:27,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:27,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:14:27,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:27,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:27,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:27,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:27,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:27,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:14:27,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:27,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 11:14:27,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:27,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:14:27,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:27,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:14:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:27,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:27,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:27,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:27,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:14:27,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:27,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:14:27,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:27,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:27,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:27,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:14:27,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:27,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:14:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:27,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:27,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:27,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:27,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:14:27,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:27,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:14:27,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 11:14:27,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:27,752 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-12 11:14:27,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [937797711] [2020-10-12 11:14:27,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:27,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:14:27,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117718409] [2020-10-12 11:14:27,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:14:27,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:27,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:14:27,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:14:27,756 INFO L87 Difference]: Start difference. First operand 541 states and 689 transitions. Second operand 7 states. [2020-10-12 11:14:28,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:28,939 INFO L93 Difference]: Finished difference Result 1385 states and 1847 transitions. [2020-10-12 11:14:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:14:28,939 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2020-10-12 11:14:28,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:28,945 INFO L225 Difference]: With dead ends: 1385 [2020-10-12 11:14:28,946 INFO L226 Difference]: Without dead ends: 850 [2020-10-12 11:14:28,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:14:28,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2020-10-12 11:14:28,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 839. [2020-10-12 11:14:28,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 839 states. [2020-10-12 11:14:28,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1084 transitions. [2020-10-12 11:14:28,991 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1084 transitions. Word has length 179 [2020-10-12 11:14:28,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:28,992 INFO L479 AbstractCegarLoop]: Abstraction has 839 states and 1084 transitions. [2020-10-12 11:14:28,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:14:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1084 transitions. [2020-10-12 11:14:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 11:14:28,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:28,999 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:28,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:14:28,999 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:28,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:29,000 INFO L82 PathProgramCache]: Analyzing trace with hash 428484249, now seen corresponding path program 1 times [2020-10-12 11:14:29,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:29,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280976254] [2020-10-12 11:14:29,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:29,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:29,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:29,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:29,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:30,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:33,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:33,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:34,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:34,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-12 11:14:34,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 11:14:34,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 11:14:34,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:34,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:14:34,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:14:34,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 11:14:34,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:34,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:34,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:34,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:34,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:34,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:34,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:14:34,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:34,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:34,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:34,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:14:34,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:34,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:34,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:34,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:34,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:34,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:14:34,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:34,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 11:14:34,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:34,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:14:34,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:34,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:14:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:34,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:34,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:34,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:34,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:14:34,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:34,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:14:34,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:34,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:34,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:34,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:14:34,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:34,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:14:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:34,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:34,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:34,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 11:14:34,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:34,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 11:14:34,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:34,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:34,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:34,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 11:14:34,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:34,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 11:14:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:34,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:34,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:34,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:14:34,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:34,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:14:34,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:34,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:34,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 11:14:34,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:34,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 93 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-12 11:14:34,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280976254] [2020-10-12 11:14:34,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:34,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 11:14:34,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902529313] [2020-10-12 11:14:34,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:14:34,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:34,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:14:34,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:14:34,331 INFO L87 Difference]: Start difference. First operand 839 states and 1084 transitions. Second operand 8 states. [2020-10-12 11:14:35,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:35,050 INFO L93 Difference]: Finished difference Result 1678 states and 2228 transitions. [2020-10-12 11:14:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 11:14:35,052 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-10-12 11:14:35,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:35,057 INFO L225 Difference]: With dead ends: 1678 [2020-10-12 11:14:35,057 INFO L226 Difference]: Without dead ends: 845 [2020-10-12 11:14:35,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-12 11:14:35,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2020-10-12 11:14:35,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 825. [2020-10-12 11:14:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2020-10-12 11:14:35,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1004 transitions. [2020-10-12 11:14:35,098 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1004 transitions. Word has length 217 [2020-10-12 11:14:35,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:35,098 INFO L479 AbstractCegarLoop]: Abstraction has 825 states and 1004 transitions. [2020-10-12 11:14:35,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:14:35,099 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1004 transitions. [2020-10-12 11:14:35,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-12 11:14:35,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:35,103 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:35,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:14:35,104 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:35,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:35,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1015119763, now seen corresponding path program 1 times [2020-10-12 11:14:35,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:35,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060196167] [2020-10-12 11:14:35,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:35,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:35,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:35,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:35,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:36,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:37,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-12 11:14:38,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 11:14:38,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2972 [2020-10-12 11:14:38,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:14:38,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-12 11:14:38,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:14:38,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:38,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:38,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:38,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:38,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:38,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:38,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:38,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:38,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:38,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:38,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:14:38,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:38,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:14:38,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:38,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:38,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:14:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:38,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:14:38,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:38,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:14:38,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:14:38,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:38,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:14:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:38,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 11:14:38,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:38,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 11:14:38,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:14:38,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:38,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 11:14:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:38,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:38,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:38,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:14:38,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:38,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 11:14:38,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:38,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:38,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:14:38,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:14:38,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 157 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 11:14:38,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060196167] [2020-10-12 11:14:38,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:38,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 11:14:38,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044166376] [2020-10-12 11:14:38,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:14:38,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:38,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:14:38,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:14:38,392 INFO L87 Difference]: Start difference. First operand 825 states and 1004 transitions. Second operand 8 states. [2020-10-12 11:14:39,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:39,875 INFO L93 Difference]: Finished difference Result 2370 states and 2987 transitions. [2020-10-12 11:14:39,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:14:39,875 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 222 [2020-10-12 11:14:39,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:39,885 INFO L225 Difference]: With dead ends: 2370 [2020-10-12 11:14:39,886 INFO L226 Difference]: Without dead ends: 1605 [2020-10-12 11:14:39,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:14:39,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2020-10-12 11:14:39,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1456. [2020-10-12 11:14:39,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1456 states. [2020-10-12 11:14:39,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1740 transitions. [2020-10-12 11:14:39,937 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1740 transitions. Word has length 222 [2020-10-12 11:14:39,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:39,938 INFO L479 AbstractCegarLoop]: Abstraction has 1456 states and 1740 transitions. [2020-10-12 11:14:39,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:14:39,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1740 transitions. [2020-10-12 11:14:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-12 11:14:39,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:14:39,945 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:14:39,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:14:39,945 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:14:39,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:14:39,946 INFO L82 PathProgramCache]: Analyzing trace with hash -439081322, now seen corresponding path program 1 times [2020-10-12 11:14:39,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:14:39,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659899649] [2020-10-12 11:14:39,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:14:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:40,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:40,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:40,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:40,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-12 11:14:40,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:14:40,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-12 11:14:40,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:40,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:14:40,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-12 11:14:40,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-12 11:14:40,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:40,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:14:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:40,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:40,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:40,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:14:40,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:40,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:14:40,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:40,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:40,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:14:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:40,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:40,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:40,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:14:40,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:40,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:14:40,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:40,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:14:40,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:40,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:14:40,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:40,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:14:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:14:40,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:14:40,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:14:40,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 11:14:40,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:14:40,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 11:14:40,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:14:40,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:14:40,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:14:40,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 11:14:40,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:14:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 11:14:40,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659899649] [2020-10-12 11:14:40,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:14:40,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:14:40,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806857065] [2020-10-12 11:14:40,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:14:40,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:14:40,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:14:40,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:14:40,580 INFO L87 Difference]: Start difference. First operand 1456 states and 1740 transitions. Second operand 5 states. [2020-10-12 11:14:41,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:14:41,605 INFO L93 Difference]: Finished difference Result 3583 states and 4377 transitions. [2020-10-12 11:14:41,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:14:41,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2020-10-12 11:14:41,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:14:41,607 INFO L225 Difference]: With dead ends: 3583 [2020-10-12 11:14:41,607 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:14:41,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:14:41,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:14:41,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:14:41,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:14:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:14:41,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2020-10-12 11:14:41,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:14:41,616 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:14:41,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:14:41,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:14:41,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:14:41,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:14:41,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:14:42,037 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 91 [2020-10-12 11:14:42,228 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 106 [2020-10-12 11:14:42,838 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 61 [2020-10-12 11:14:42,976 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 44 [2020-10-12 11:14:43,094 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2020-10-12 11:14:43,097 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:14:43,098 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-12 11:14:43,098 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:14:43,098 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,098 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,099 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,099 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,099 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,099 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-12 11:14:43,099 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-12 11:14:43,099 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-12 11:14:43,099 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-12 11:14:43,099 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-12 11:14:43,100 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-12 11:14:43,100 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-12 11:14:43,100 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-12 11:14:43,101 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-12 11:14:43,101 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-12 11:14:43,102 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:14:43,102 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:14:43,102 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-12 11:14:43,102 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,102 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,102 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,102 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,102 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-12 11:14:43,102 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,103 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-12 11:14:43,103 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-12 11:14:43,103 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-12 11:14:43,103 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-12 11:14:43,103 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-12 11:14:43,104 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-12 11:14:43,104 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-12 11:14:43,104 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:14:43,104 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:14:43,104 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-12 11:14:43,104 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-12 11:14:43,104 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-12 11:14:43,105 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:14:43,105 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:14:43,105 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-12 11:14:43,105 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,106 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,106 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,107 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,107 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,107 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2020-10-12 11:14:43,107 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:14:43,107 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-12 11:14:43,107 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:14:43,107 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-12 11:14:43,107 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-12 11:14:43,107 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-12 11:14:43,108 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-12 11:14:43,108 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-12 11:14:43,108 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-12 11:14:43,108 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-12 11:14:43,108 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-12 11:14:43,108 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,108 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,108 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,109 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,109 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,109 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-12 11:14:43,109 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-12 11:14:43,109 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-12 11:14:43,109 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-12 11:14:43,109 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-12 11:14:43,109 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-12 11:14:43,109 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-12 11:14:43,109 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-12 11:14:43,110 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-12 11:14:43,110 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-12 11:14:43,110 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-12 11:14:43,110 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-12 11:14:43,111 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-12 11:14:43,111 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,111 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,112 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,112 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,112 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,112 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-12 11:14:43,112 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-12 11:14:43,112 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-12 11:14:43,112 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-12 11:14:43,112 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-12 11:14:43,112 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-12 11:14:43,113 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-12 11:14:43,113 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-12 11:14:43,113 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-12 11:14:43,113 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-12 11:14:43,113 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-12 11:14:43,113 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-12 11:14:43,113 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-12 11:14:43,113 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:14:43,113 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-12 11:14:43,113 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:14:43,114 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,114 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,114 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,114 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,114 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-12 11:14:43,114 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,114 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:14:43,114 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,114 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:14:43,115 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:14:43,115 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:14:43,115 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,116 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,116 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-12 11:14:43,116 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-12 11:14:43,116 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-12 11:14:43,116 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-12 11:14:43,116 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-12 11:14:43,116 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-12 11:14:43,116 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-12 11:14:43,116 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-12 11:14:43,116 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-12 11:14:43,117 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-12 11:14:43,117 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-12 11:14:43,117 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,117 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,117 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,117 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,117 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,117 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,117 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-12 11:14:43,118 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-12 11:14:43,118 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-12 11:14:43,118 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-12 11:14:43,118 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-12 11:14:43,118 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-12 11:14:43,118 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-12 11:14:43,118 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-12 11:14:43,118 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-12 11:14:43,118 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-12 11:14:43,118 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-12 11:14:43,119 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,119 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,119 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,119 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,119 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,119 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,119 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-12 11:14:43,119 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-12 11:14:43,119 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-12 11:14:43,119 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-12 11:14:43,120 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-12 11:14:43,120 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-12 11:14:43,120 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-12 11:14:43,120 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-12 11:14:43,120 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-12 11:14:43,120 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-12 11:14:43,120 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-12 11:14:43,120 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-12 11:14:43,120 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-12 11:14:43,120 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-12 11:14:43,121 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,121 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,121 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,122 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse5 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (and (or .cse0 (not (<= 8 |old(~a17~0)|)) (and .cse1 .cse2 .cse3 (<= 8 ~a17~0) (<= ~a17~0 8) .cse4)) (or (not (= 10 |old(~a28~0)|)) (not (= 7 |old(~a17~0)|)) (not (= |old(~a19~0)| |old(~a25~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (and (= 7 ~a17~0) .cse2 (= ~a25~0 ~a19~0) .cse4 (= ~a28~0 10)) (not (= |old(~a11~0)| 1))) (or .cse0 (not (= |old(~a19~0)| 1)) (and .cse1 .cse5 .cse2 .cse3 .cse4)) (or (not (= |old(~a25~0)| 1)) .cse0 (and .cse5 .cse2 (= ~a25~0 1) (= ~a28~0 9) .cse4) (not (= 9 |old(~a28~0)|))))) [2020-10-12 11:14:43,122 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,122 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,122 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,122 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-12 11:14:43,122 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-12 11:14:43,122 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-12 11:14:43,123 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-12 11:14:43,123 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-12 11:14:43,123 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-12 11:14:43,123 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-12 11:14:43,123 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-12 11:14:43,123 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-12 11:14:43,123 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-12 11:14:43,123 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-12 11:14:43,123 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-12 11:14:43,124 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-12 11:14:43,124 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,124 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,124 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,124 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,124 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,124 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,124 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-12 11:14:43,124 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-12 11:14:43,125 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-12 11:14:43,125 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-12 11:14:43,125 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-12 11:14:43,125 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-12 11:14:43,125 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-12 11:14:43,125 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-12 11:14:43,125 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-12 11:14:43,125 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-12 11:14:43,125 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-12 11:14:43,126 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:14:43,126 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:14:43,126 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-12 11:14:43,126 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-12 11:14:43,126 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-12 11:14:43,126 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,126 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,126 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,126 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,127 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:43,127 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-12 11:14:43,127 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-12 11:14:43,127 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-12 11:14:43,127 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-12 11:14:43,127 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-12 11:14:43,127 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-12 11:14:43,127 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-12 11:14:43,127 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-12 11:14:43,128 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-12 11:14:43,128 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-12 11:14:43,128 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-12 11:14:43,128 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:14:43,128 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-12 11:14:43,128 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:14:43,128 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-12 11:14:43,128 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:14:43,128 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:14:43,129 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-12 11:14:43,129 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-12 11:14:43,129 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:14:43,129 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (<= 8 ~a17~0) (= 7 ~a28~0) (<= ~a17~0 8)) [2020-10-12 11:14:43,129 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:14:43,129 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:14:43,129 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-12 11:14:43,130 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= |old(~a19~0)| 1)) (and (<= 8 ~a17~0) .cse0) (and (= 7 ~a17~0) (= ~a25~0 0) (= ~a11~0 1) (= ~a25~0 ~a19~0) (= ~a28~0 10)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and (= ~a19~0 1) .cse0) (and (= ~a25~0 1) (= ~a28~0 9) .cse0) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-12 11:14:43,130 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:14:43,130 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:14:43,130 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= |old(~a19~0)| 1)) (and (<= 8 ~a17~0) .cse0) (and (= 7 ~a17~0) (= ~a25~0 0) (= ~a11~0 1) (= ~a25~0 ~a19~0) (= ~a28~0 10)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and (= ~a19~0 1) .cse0) (and (= ~a25~0 1) (= ~a28~0 9) .cse0) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-12 11:14:43,130 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-12 11:14:43,130 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-12 11:14:43,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:14:43 BoogieIcfgContainer [2020-10-12 11:14:43,161 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:14:43,163 INFO L168 Benchmark]: Toolchain (without parser) took 46950.27 ms. Allocated memory was 140.5 MB in the beginning and 806.4 MB in the end (delta: 665.8 MB). Free memory was 102.3 MB in the beginning and 201.8 MB in the end (delta: -99.5 MB). Peak memory consumption was 566.4 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:43,167 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 11:14:43,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.14 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 102.1 MB in the beginning and 171.8 MB in the end (delta: -69.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:43,171 INFO L168 Benchmark]: Boogie Preprocessor took 104.72 ms. Allocated memory is still 205.5 MB. Free memory was 171.8 MB in the beginning and 166.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:43,176 INFO L168 Benchmark]: RCFGBuilder took 1320.13 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 179.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:43,177 INFO L168 Benchmark]: TraceAbstraction took 44813.11 ms. Allocated memory was 238.0 MB in the beginning and 806.4 MB in the end (delta: 568.3 MB). Free memory was 179.7 MB in the beginning and 201.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 546.2 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:43,183 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.14 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 102.1 MB in the beginning and 171.8 MB in the end (delta: -69.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.72 ms. Allocated memory is still 205.5 MB. Free memory was 171.8 MB in the beginning and 166.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1320.13 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 179.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44813.11 ms. Allocated memory was 238.0 MB in the beginning and 806.4 MB in the end (delta: 568.3 MB). Free memory was 179.7 MB in the beginning and 201.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 546.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 520]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(\old(a19) == 1) || (8 <= a17 && a17 <= 8)) || ((((7 == a17 && a25 == 0) && a11 == 1) && a25 == a19) && a28 == 10)) || !(8 == \old(a17))) || !(0 == \old(a25))) || !(a21 == 1)) || !(7 == \old(a28))) || (a19 == 1 && a17 <= 8)) || ((a25 == 1 && a28 == 9) && a17 <= 8)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.1s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 347 SDtfs, 5220 SDslu, 485 SDs, 0 SdLazy, 8089 SolverSat, 1094 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 196 GetRequests, 80 SyntacticMatches, 4 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1456occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 226 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 67 PreInvPairs, 104 NumberOfFragments, 370 HoareAnnotationTreeSize, 67 FomulaSimplifications, 23009 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2115 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 24.2s InterpolantComputationTime, 1711 NumberOfCodeBlocks, 1711 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1701 ConstructedInterpolants, 0 QuantifiedInterpolants, 2285810 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 612/727 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...