/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:30:30,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:30:30,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:30:30,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:30:30,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:30:30,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:30:30,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:30:30,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:30:30,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:30:30,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:30:30,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:30:30,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:30:30,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:30:30,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:30:30,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:30:30,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:30:30,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:30:30,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:30:30,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:30:30,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:30:30,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:30:30,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:30:30,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:30:30,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:30:30,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:30:30,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:30:30,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:30:30,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:30:30,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:30:30,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:30:30,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:30:30,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:30:30,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:30:30,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:30:30,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:30:30,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:30:30,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:30:30,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:30:30,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:30:30,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:30:30,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:30:30,871 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 [2020-09-21 12:30:30,923 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:30:30,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:30:30,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:30:30,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:30:30,927 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:30:30,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:30:30,927 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:30:30,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:30:30,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:30:30,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:30:30,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:30:30,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:30:30,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:30:30,930 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:30:30,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:30:30,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:30:30,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:30:30,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:30:30,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:30:30,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:30:30,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:30:30,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:30:30,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:30:30,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:30:30,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:30:30,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:30:30,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:30:30,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:30:30,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:30:30,933 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:30:31,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:30:31,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:30:31,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:30:31,409 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:30:31,409 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:30:31,411 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-09-21 12:30:31,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6cc9e71cf/373ddb0e9be24053aec9e4be02136ce7/FLAGb4aac283a [2020-09-21 12:30:32,138 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:30:32,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-09-21 12:30:32,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6cc9e71cf/373ddb0e9be24053aec9e4be02136ce7/FLAGb4aac283a [2020-09-21 12:30:32,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6cc9e71cf/373ddb0e9be24053aec9e4be02136ce7 [2020-09-21 12:30:32,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:30:32,375 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:30:32,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:30:32,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:30:32,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:30:32,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:30:32" (1/1) ... [2020-09-21 12:30:32,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ad3e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:32, skipping insertion in model container [2020-09-21 12:30:32,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:30:32" (1/1) ... [2020-09-21 12:30:32,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:30:32,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:30:32,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:30:32,960 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:30:33,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:30:33,221 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:30:33,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:33 WrapperNode [2020-09-21 12:30:33,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:30:33,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:30:33,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:30:33,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:30:33,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:33" (1/1) ... [2020-09-21 12:30:33,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:33" (1/1) ... [2020-09-21 12:30:33,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:33" (1/1) ... [2020-09-21 12:30:33,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:33" (1/1) ... [2020-09-21 12:30:33,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:33" (1/1) ... [2020-09-21 12:30:33,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:33" (1/1) ... [2020-09-21 12:30:33,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:33" (1/1) ... [2020-09-21 12:30:33,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:30:33,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:30:33,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:30:33,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:30:33,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:30:33,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:30:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:30:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:30:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:30:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:30:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:30:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:30:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:30:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:30:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:30:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:30:34,746 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:30:34,746 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:30:34,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:30:34 BoogieIcfgContainer [2020-09-21 12:30:34,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:30:34,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:30:34,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:30:34,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:30:34,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:30:32" (1/3) ... [2020-09-21 12:30:34,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787b5162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:30:34, skipping insertion in model container [2020-09-21 12:30:34,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:33" (2/3) ... [2020-09-21 12:30:34,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787b5162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:30:34, skipping insertion in model container [2020-09-21 12:30:34,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:30:34" (3/3) ... [2020-09-21 12:30:34,770 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label53.c [2020-09-21 12:30:34,780 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:30:34,791 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:30:34,812 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:30:34,846 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:30:34,847 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:30:34,847 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:30:34,847 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:30:34,847 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:30:34,847 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:30:34,848 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:30:34,848 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:30:34,878 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 12:30:34,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-21 12:30:34,895 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:34,897 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:34,897 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:34,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:34,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1422395146, now seen corresponding path program 1 times [2020-09-21 12:30:34,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:34,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1295856375] [2020-09-21 12:30:34,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:35,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:35,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:36,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:36,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-21 12:30:36,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:30:36,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1037 [2020-09-21 12:30:36,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:36,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:30:36,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:30:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-21 12:30:36,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:30:36,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:36,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:36,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:36,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:36,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:36,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:30:36,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:36,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:36,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:30:36,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:36,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1295856375] [2020-09-21 12:30:36,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:30:36,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:30:36,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40325449] [2020-09-21 12:30:36,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:30:36,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:36,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:30:36,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:30:36,584 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-09-21 12:30:38,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:38,438 INFO L93 Difference]: Finished difference Result 662 states and 1113 transitions. [2020-09-21 12:30:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:38,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2020-09-21 12:30:38,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:38,463 INFO L225 Difference]: With dead ends: 662 [2020-09-21 12:30:38,463 INFO L226 Difference]: Without dead ends: 341 [2020-09-21 12:30:38,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:38,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-09-21 12:30:38,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337. [2020-09-21 12:30:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-09-21 12:30:38,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 488 transitions. [2020-09-21 12:30:38,570 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 488 transitions. Word has length 144 [2020-09-21 12:30:38,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:38,574 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 488 transitions. [2020-09-21 12:30:38,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:30:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 488 transitions. [2020-09-21 12:30:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-21 12:30:38,589 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:38,589 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:38,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:30:38,590 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:38,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:38,591 INFO L82 PathProgramCache]: Analyzing trace with hash 339587089, now seen corresponding path program 1 times [2020-09-21 12:30:38,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:38,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383166714] [2020-09-21 12:30:38,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:38,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:38,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:39,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:39,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:39,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-21 12:30:39,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:39,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-09-21 12:30:39,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:39,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:39,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:30:39,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 12:30:39,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:39,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:39,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:39,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:39,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:39,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:39,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:30:39,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:39,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:39,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:30:39,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:39,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:39,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:39,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:39,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:39,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:30:39,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:39,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:39,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:39,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:30:39,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:39,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383166714] [2020-09-21 12:30:39,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:39,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:30:39,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005340173] [2020-09-21 12:30:39,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:39,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:39,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:39,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:39,963 INFO L87 Difference]: Start difference. First operand 337 states and 488 transitions. Second operand 5 states. [2020-09-21 12:30:41,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:41,405 INFO L93 Difference]: Finished difference Result 968 states and 1433 transitions. [2020-09-21 12:30:41,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:41,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-21 12:30:41,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:41,413 INFO L225 Difference]: With dead ends: 968 [2020-09-21 12:30:41,414 INFO L226 Difference]: Without dead ends: 637 [2020-09-21 12:30:41,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:30:41,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-09-21 12:30:41,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 633. [2020-09-21 12:30:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-09-21 12:30:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 880 transitions. [2020-09-21 12:30:41,470 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 880 transitions. Word has length 152 [2020-09-21 12:30:41,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:41,471 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 880 transitions. [2020-09-21 12:30:41,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:41,471 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 880 transitions. [2020-09-21 12:30:41,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-21 12:30:41,482 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:41,482 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:41,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:30:41,483 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:41,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:41,483 INFO L82 PathProgramCache]: Analyzing trace with hash 284152846, now seen corresponding path program 1 times [2020-09-21 12:30:41,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:41,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987093703] [2020-09-21 12:30:41,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:41,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:42,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:42,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-21 12:30:42,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:30:42,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:30:42,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:42,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:42,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-21 12:30:42,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-21 12:30:42,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:42,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:42,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:42,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:42,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:42,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:42,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:30:42,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:42,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:42,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:42,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:42,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:42,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:30:42,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:42,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 12:30:42,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:42,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:42,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:42,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:30:42,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:43,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987093703] [2020-09-21 12:30:43,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:43,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:30:43,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458031962] [2020-09-21 12:30:43,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:43,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:43,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:43,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:43,057 INFO L87 Difference]: Start difference. First operand 633 states and 880 transitions. Second operand 5 states. [2020-09-21 12:30:44,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:44,564 INFO L93 Difference]: Finished difference Result 1353 states and 1937 transitions. [2020-09-21 12:30:44,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:44,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2020-09-21 12:30:44,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:44,569 INFO L225 Difference]: With dead ends: 1353 [2020-09-21 12:30:44,570 INFO L226 Difference]: Without dead ends: 637 [2020-09-21 12:30:44,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:30:44,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-09-21 12:30:44,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 633. [2020-09-21 12:30:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-09-21 12:30:44,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 876 transitions. [2020-09-21 12:30:44,597 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 876 transitions. Word has length 166 [2020-09-21 12:30:44,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:44,598 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 876 transitions. [2020-09-21 12:30:44,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:44,598 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 876 transitions. [2020-09-21 12:30:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-21 12:30:44,602 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:44,602 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:44,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:30:44,602 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:44,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:44,603 INFO L82 PathProgramCache]: Analyzing trace with hash 698917826, now seen corresponding path program 1 times [2020-09-21 12:30:44,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:44,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782329023] [2020-09-21 12:30:44,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:44,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:44,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:45,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:45,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-09-21 12:30:45,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:30:45,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-21 12:30:45,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:45,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:45,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 12:30:45,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 12:30:45,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:45,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:46,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:46,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:46,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:46,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:46,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:30:46,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:46,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:46,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:46,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:46,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:46,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:46,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:46,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:46,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 12:30:46,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:46,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 12:30:46,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 12:30:46,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:46,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782329023] [2020-09-21 12:30:46,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:46,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:30:46,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320676809] [2020-09-21 12:30:46,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:46,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:46,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:46,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:46,370 INFO L87 Difference]: Start difference. First operand 633 states and 876 transitions. Second operand 5 states. [2020-09-21 12:30:47,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:47,901 INFO L93 Difference]: Finished difference Result 1347 states and 1922 transitions. [2020-09-21 12:30:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:47,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-09-21 12:30:47,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:47,908 INFO L225 Difference]: With dead ends: 1347 [2020-09-21 12:30:47,908 INFO L226 Difference]: Without dead ends: 637 [2020-09-21 12:30:47,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:30:47,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-09-21 12:30:47,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 633. [2020-09-21 12:30:47,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-09-21 12:30:47,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 872 transitions. [2020-09-21 12:30:47,944 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 872 transitions. Word has length 172 [2020-09-21 12:30:47,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:47,945 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 872 transitions. [2020-09-21 12:30:47,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 872 transitions. [2020-09-21 12:30:47,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-09-21 12:30:47,948 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:47,949 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:47,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:30:47,949 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:47,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:47,950 INFO L82 PathProgramCache]: Analyzing trace with hash -713747083, now seen corresponding path program 1 times [2020-09-21 12:30:47,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:47,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116339901] [2020-09-21 12:30:47,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:48,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:48,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:48,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:48,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:48,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-21 12:30:48,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:48,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-21 12:30:48,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:30:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 12:30:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:49,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:49,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:49,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:49,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:49,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:49,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:30:49,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:49,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:49,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:49,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:49,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:49,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:49,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:49,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:49,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:49,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:30:49,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:30:49,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:49,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:30:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:49,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:49,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:49,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 12:30:49,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:49,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-21 12:30:49,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:49,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:49,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:49,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 12:30:49,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:49,335 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:30:49,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116339901] [2020-09-21 12:30:49,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:49,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:49,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864848346] [2020-09-21 12:30:49,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:49,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:49,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:49,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:49,339 INFO L87 Difference]: Start difference. First operand 633 states and 872 transitions. Second operand 7 states. [2020-09-21 12:30:50,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:50,197 INFO L93 Difference]: Finished difference Result 1263 states and 1764 transitions. [2020-09-21 12:30:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:30:50,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 185 [2020-09-21 12:30:50,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:50,204 INFO L225 Difference]: With dead ends: 1263 [2020-09-21 12:30:50,204 INFO L226 Difference]: Without dead ends: 636 [2020-09-21 12:30:50,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:30:50,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-09-21 12:30:50,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 621. [2020-09-21 12:30:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-09-21 12:30:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 823 transitions. [2020-09-21 12:30:50,237 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 823 transitions. Word has length 185 [2020-09-21 12:30:50,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:50,237 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 823 transitions. [2020-09-21 12:30:50,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 823 transitions. [2020-09-21 12:30:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-21 12:30:50,241 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:50,241 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, 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] [2020-09-21 12:30:50,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:30:50,241 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:50,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:50,242 INFO L82 PathProgramCache]: Analyzing trace with hash -2075345331, now seen corresponding path program 1 times [2020-09-21 12:30:50,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:50,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124137059] [2020-09-21 12:30:50,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:50,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:50,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:50,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:51,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:51,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-21 12:30:51,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:51,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1025 [2020-09-21 12:30:51,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:30:51,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 12:30:51,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:51,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:51,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:51,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:51,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:51,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:51,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:30:51,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:51,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:51,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:51,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:51,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:51,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:51,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:51,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:51,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 12:30:51,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:30:51,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:51,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:30:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:51,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:51,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:51,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 12:30:51,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:51,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 12:30:51,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:51,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:51,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:51,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 12:30:51,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:30:51,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124137059] [2020-09-21 12:30:51,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:51,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:51,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274611201] [2020-09-21 12:30:51,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:51,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:51,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:51,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:51,604 INFO L87 Difference]: Start difference. First operand 621 states and 823 transitions. Second operand 7 states. [2020-09-21 12:30:53,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:53,857 INFO L93 Difference]: Finished difference Result 2205 states and 3104 transitions. [2020-09-21 12:30:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:30:53,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 188 [2020-09-21 12:30:53,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:53,869 INFO L225 Difference]: With dead ends: 2205 [2020-09-21 12:30:53,870 INFO L226 Difference]: Without dead ends: 1590 [2020-09-21 12:30:53,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:30:53,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2020-09-21 12:30:53,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1562. [2020-09-21 12:30:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1562 states. [2020-09-21 12:30:53,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 1986 transitions. [2020-09-21 12:30:53,955 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 1986 transitions. Word has length 188 [2020-09-21 12:30:53,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:53,957 INFO L479 AbstractCegarLoop]: Abstraction has 1562 states and 1986 transitions. [2020-09-21 12:30:53,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1986 transitions. [2020-09-21 12:30:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-21 12:30:53,967 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:53,967 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:53,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:30:53,968 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:53,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:53,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1940855425, now seen corresponding path program 1 times [2020-09-21 12:30:53,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:53,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409831966] [2020-09-21 12:30:53,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:54,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:54,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:54,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:55,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:55,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-21 12:30:55,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:55,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:30:55,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:55,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:55,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-21 12:30:55,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:30:55,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:55,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:55,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:55,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:55,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:55,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:55,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:30:55,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:55,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:55,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:55,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:55,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:55,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:55,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 12:30:55,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:55,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 12:30:55,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:55,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:55,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:55,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 12:30:55,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:55,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:30:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:55,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:55,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:55,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:30:55,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:55,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 12:30:55,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:55,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:55,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:55,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 12:30:55,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:30:55,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409831966] [2020-09-21 12:30:55,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:55,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:55,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014059121] [2020-09-21 12:30:55,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:55,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:55,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:55,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:55,311 INFO L87 Difference]: Start difference. First operand 1562 states and 1986 transitions. Second operand 7 states. [2020-09-21 12:30:57,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:57,733 INFO L93 Difference]: Finished difference Result 4014 states and 5653 transitions. [2020-09-21 12:30:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:30:57,734 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 194 [2020-09-21 12:30:57,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:57,754 INFO L225 Difference]: With dead ends: 4014 [2020-09-21 12:30:57,754 INFO L226 Difference]: Without dead ends: 2462 [2020-09-21 12:30:57,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:30:57,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2020-09-21 12:30:57,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 2348. [2020-09-21 12:30:57,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2348 states. [2020-09-21 12:30:57,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2348 states and 2990 transitions. [2020-09-21 12:30:57,877 INFO L78 Accepts]: Start accepts. Automaton has 2348 states and 2990 transitions. Word has length 194 [2020-09-21 12:30:57,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:57,877 INFO L479 AbstractCegarLoop]: Abstraction has 2348 states and 2990 transitions. [2020-09-21 12:30:57,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:57,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2990 transitions. [2020-09-21 12:30:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-21 12:30:57,890 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:57,890 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, 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, 1, 1] [2020-09-21 12:30:57,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:30:57,891 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:57,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:57,892 INFO L82 PathProgramCache]: Analyzing trace with hash -470313287, now seen corresponding path program 1 times [2020-09-21 12:30:57,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:57,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083879671] [2020-09-21 12:30:57,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:57,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:58,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:58,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:58,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:58,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-21 12:30:58,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:58,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1020 [2020-09-21 12:30:58,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:58,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:58,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-09-21 12:30:58,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:30:58,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:59,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:59,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:59,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:59,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:59,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:59,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:59,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:59,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:59,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:59,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:59,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:59,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:59,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:59,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:59,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:59,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:59,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:59,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:59,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:30:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:59,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:59,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:59,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 12:30:59,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 12:30:59,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-21 12:30:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:30:59,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 12:30:59,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083879671] [2020-09-21 12:30:59,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:30:59,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:30:59,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629652219] [2020-09-21 12:30:59,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:59,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:59,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:59,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:59,170 INFO L87 Difference]: Start difference. First operand 2348 states and 2990 transitions. Second operand 5 states. [2020-09-21 12:31:00,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:00,386 INFO L93 Difference]: Finished difference Result 4219 states and 5527 transitions. [2020-09-21 12:31:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:00,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 198 [2020-09-21 12:31:00,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:00,406 INFO L225 Difference]: With dead ends: 4219 [2020-09-21 12:31:00,406 INFO L226 Difference]: Without dead ends: 3110 [2020-09-21 12:31:00,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:00,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2020-09-21 12:31:00,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 2946. [2020-09-21 12:31:00,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2946 states. [2020-09-21 12:31:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 3809 transitions. [2020-09-21 12:31:00,526 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 3809 transitions. Word has length 198 [2020-09-21 12:31:00,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:00,526 INFO L479 AbstractCegarLoop]: Abstraction has 2946 states and 3809 transitions. [2020-09-21 12:31:00,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:00,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 3809 transitions. [2020-09-21 12:31:00,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-21 12:31:00,543 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:00,544 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:31:00,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:31:00,544 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:00,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:00,545 INFO L82 PathProgramCache]: Analyzing trace with hash -328579186, now seen corresponding path program 1 times [2020-09-21 12:31:00,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:00,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376965303] [2020-09-21 12:31:00,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:00,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:01,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:01,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:01,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-09-21 12:31:01,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:31:01,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:31:01,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:01,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:01,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-21 12:31:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-21 12:31:01,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:01,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:01,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:01,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:01,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:01,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:01,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:31:01,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:01,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:01,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:01,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:01,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:01,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:01,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:01,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:01,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 12:31:01,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:01,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 12:31:01,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:01,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:01,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:01,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 12:31:01,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:31:02,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376965303] [2020-09-21 12:31:02,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:02,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:31:02,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447292850] [2020-09-21 12:31:02,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:31:02,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:02,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:31:02,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:02,081 INFO L87 Difference]: Start difference. First operand 2946 states and 3809 transitions. Second operand 6 states. [2020-09-21 12:31:03,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:03,719 INFO L93 Difference]: Finished difference Result 4701 states and 6157 transitions. [2020-09-21 12:31:03,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:31:03,720 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2020-09-21 12:31:03,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:03,734 INFO L225 Difference]: With dead ends: 4701 [2020-09-21 12:31:03,735 INFO L226 Difference]: Without dead ends: 2804 [2020-09-21 12:31:03,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:31:03,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2020-09-21 12:31:03,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2790. [2020-09-21 12:31:03,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2790 states. [2020-09-21 12:31:03,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3565 transitions. [2020-09-21 12:31:03,820 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3565 transitions. Word has length 216 [2020-09-21 12:31:03,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:03,821 INFO L479 AbstractCegarLoop]: Abstraction has 2790 states and 3565 transitions. [2020-09-21 12:31:03,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:31:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3565 transitions. [2020-09-21 12:31:03,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-21 12:31:03,836 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:03,836 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:31:03,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:31:03,837 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:03,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:03,837 INFO L82 PathProgramCache]: Analyzing trace with hash 482060907, now seen corresponding path program 1 times [2020-09-21 12:31:03,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:03,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804736584] [2020-09-21 12:31:03,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:03,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:03,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:04,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:05,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:05,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-09-21 12:31:05,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:31:05,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1224 [2020-09-21 12:31:05,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:05,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:05,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-09-21 12:31:05,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 12:31:05,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:05,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:05,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:05,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:05,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:05,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:05,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:31:05,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:05,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:05,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:05,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:05,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 12:31:05,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:05,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 12:31:05,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:05,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:05,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:05,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:05,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:31:05,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 12:31:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:05,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:05,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:05,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:31:05,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:05,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 12:31:05,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:05,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:05,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:05,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 12:31:05,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:05,873 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-21 12:31:05,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804736584] [2020-09-21 12:31:05,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:05,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:31:05,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313296718] [2020-09-21 12:31:05,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:31:05,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:05,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:31:05,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:31:05,876 INFO L87 Difference]: Start difference. First operand 2790 states and 3565 transitions. Second operand 5 states. [2020-09-21 12:31:07,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:07,035 INFO L93 Difference]: Finished difference Result 4292 states and 5543 transitions. [2020-09-21 12:31:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:31:07,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2020-09-21 12:31:07,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:07,037 INFO L225 Difference]: With dead ends: 4292 [2020-09-21 12:31:07,037 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:31:07,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:31:07,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:31:07,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:31:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:31:07,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:31:07,052 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 235 [2020-09-21 12:31:07,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:07,052 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:31:07,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:31:07,053 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:31:07,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:31:07,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:31:07,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:31:08,701 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 46 [2020-09-21 12:31:09,186 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 46 [2020-09-21 12:31:10,371 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 168 DAG size of output: 82 [2020-09-21 12:31:10,642 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-09-21 12:31:10,853 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-09-21 12:31:10,858 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:31:10,859 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)|)) [2020-09-21 12:31:10,859 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:31:10,859 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,859 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,859 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,860 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,860 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,860 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 12:31:10,860 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 12:31:10,860 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 12:31:10,860 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 12:31:10,860 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 12:31:10,861 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 12:31:10,861 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 12:31:10,861 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 12:31:10,861 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 12:31:10,861 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:31:10,861 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:31:10,861 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:31:10,861 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 12:31:10,862 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,862 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,862 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,862 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,862 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 12:31:10,862 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,862 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 12:31:10,863 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 12:31:10,863 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 12:31:10,863 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 12:31:10,863 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 12:31:10,863 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 12:31:10,863 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 12:31:10,863 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:31:10,863 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:31:10,864 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 12:31:10,864 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 12:31:10,864 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 12:31:10,864 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:31:10,864 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:31:10,864 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 12:31:10,864 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,865 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,865 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,865 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,865 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,865 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 586) no Hoare annotation was computed. [2020-09-21 12:31:10,865 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:31:10,866 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 12:31:10,866 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:31:10,866 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 12:31:10,866 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 12:31:10,866 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 12:31:10,866 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 12:31:10,866 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 12:31:10,867 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 12:31:10,867 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 12:31:10,867 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 12:31:10,867 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,867 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,867 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,867 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,867 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,868 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 12:31:10,868 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 12:31:10,868 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 12:31:10,868 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 12:31:10,868 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 12:31:10,868 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 12:31:10,868 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 12:31:10,869 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 12:31:10,869 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 12:31:10,869 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 12:31:10,869 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 12:31:10,869 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 12:31:10,869 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 12:31:10,869 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,870 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,870 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,870 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,870 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,870 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 12:31:10,870 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 12:31:10,870 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 12:31:10,870 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 12:31:10,871 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 12:31:10,871 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 12:31:10,871 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 12:31:10,871 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 12:31:10,871 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 12:31:10,871 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 12:31:10,871 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 12:31:10,871 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 12:31:10,872 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 12:31:10,872 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:31:10,872 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 12:31:10,872 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:31:10,872 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,872 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,872 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,873 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,873 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 12:31:10,873 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,873 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:31:10,873 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,873 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:31:10,873 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:31:10,873 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:31:10,873 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 12:31:10,874 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,875 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,875 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,875 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,875 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,875 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,875 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 12:31:10,875 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 12:31:10,875 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 12:31:10,876 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 12:31:10,876 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 12:31:10,876 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 12:31:10,876 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 12:31:10,876 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 12:31:10,876 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 12:31:10,876 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 12:31:10,876 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 12:31:10,877 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,877 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,877 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,877 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,877 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,877 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,877 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 12:31:10,877 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 12:31:10,877 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 12:31:10,877 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 12:31:10,878 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 12:31:10,878 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 12:31:10,878 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 12:31:10,878 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 12:31:10,878 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 12:31:10,878 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 12:31:10,878 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 12:31:10,878 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 12:31:10,878 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 12:31:10,879 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 12:31:10,879 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,879 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,879 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,879 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse11 (<= 1 ~a11~0)) (.cse13 (<= ~a11~0 1)) (.cse16 (= ~a17~0 |old(~a17~0)|)) (.cse15 (= ~a11~0 |old(~a11~0)|)) (.cse12 (= ~a25~0 |old(~a25~0)|)) (.cse14 (= ~a19~0 |old(~a19~0)|))) (let ((.cse7 (not (<= |old(~a19~0)| 0))) (.cse9 (and (= ~a28~0 |old(~a28~0)|) .cse16 .cse15 .cse12 .cse14)) (.cse0 (not (<= |old(~a28~0)| 7))) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse2 (not (<= |old(~a11~0)| 1))) (.cse3 (not (<= 8 |old(~a17~0)|))) (.cse4 (not (<= 7 |old(~a28~0)|))) (.cse10 (not (<= |old(~a25~0)| 0))) (.cse6 (not (<= 1 |old(~a11~0)|))) (.cse8 (and .cse16 .cse11 (<= 7 ~a28~0) .cse12 .cse13 (<= ~a28~0 7) .cse14)) (.cse5 (not (= ~a21~0 1)))) (and (or (not (< 1 |old(~a25~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse1 .cse9 (= |old(~a11~0)| 1)) (or .cse2 (not (<= |old(~a28~0)| 10)) (not (<= 7 |old(~a17~0)|)) (not (<= |old(~a17~0)| 7)) .cse10 (not (<= 10 |old(~a28~0)|)) .cse5 .cse6 (and .cse11 (<= 7 ~a17~0) (<= 10 ~a28~0) .cse12 .cse13 (<= ~a28~0 10) (<= ~a17~0 7) .cse14) .cse7) (or .cse1 (not (= |old(~a19~0)| 1)) .cse9) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse6 .cse8) (or (not (= |old(~a25~0)| 1)) (not (= 7 |old(~a17~0)|)) (and (= 7 ~a17~0) .cse15 (= ~a25~0 1) (= ~a28~0 9) .cse14) (not (= 9 |old(~a28~0)|)) .cse5)))) [2020-09-21 12:31:10,879 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,880 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,880 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,880 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 12:31:10,880 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 12:31:10,880 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 12:31:10,880 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 12:31:10,880 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 12:31:10,880 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 12:31:10,880 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 12:31:10,881 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 12:31:10,881 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 12:31:10,881 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 12:31:10,881 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 12:31:10,881 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 12:31:10,881 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 12:31:10,881 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,881 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,881 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,881 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,882 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,882 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,882 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 12:31:10,882 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 12:31:10,882 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 12:31:10,882 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 12:31:10,882 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 12:31:10,882 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 12:31:10,883 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 12:31:10,883 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 12:31:10,883 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 12:31:10,883 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 12:31:10,883 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 12:31:10,883 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:31:10,883 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:31:10,883 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 12:31:10,884 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 12:31:10,884 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 12:31:10,884 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,884 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,884 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,884 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,884 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:10,884 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 12:31:10,884 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 12:31:10,885 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 12:31:10,885 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 12:31:10,885 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 12:31:10,885 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 12:31:10,885 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 12:31:10,885 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 12:31:10,885 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 12:31:10,885 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 12:31:10,886 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 12:31:10,886 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:31:10,886 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 12:31:10,886 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:31:10,886 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 12:31:10,886 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:31:10,886 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:31:10,886 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 12:31:10,887 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 12:31:10,887 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:31:10,887 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a11~0 0) (<= ~a17~0 8)) [2020-09-21 12:31:10,887 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:31:10,887 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:31:10,887 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|))) [2020-09-21 12:31:10,887 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (<= 7 ~a28~0)) (.cse3 (<= 8 ~a17~0)) (.cse4 (<= ~a28~0 7)) (.cse0 (<= ~a19~0 0)) (.cse6 (<= ~a25~0 0)) (.cse5 (<= ~a17~0 8)) (.cse1 (= ~a21~0 1))) (or (not (<= |old(~a17~0)| 8)) (and .cse0 (< 1 ~a25~0) .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~a19~0)| 1)) (and (not (= ~a11~0 1)) .cse5) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (<= 7 ~a17~0) (<= 10 ~a28~0) .cse1 (<= ~a17~0 7) .cse6 (<= ~a28~0 10)) (and (= ~a19~0 1) .cse5) (and (= 7 ~a17~0) .cse1 (= ~a25~0 1) (= ~a28~0 9)))) [2020-09-21 12:31:10,888 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:31:10,888 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:31:10,888 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (<= 7 ~a28~0)) (.cse3 (<= 8 ~a17~0)) (.cse4 (<= ~a28~0 7)) (.cse0 (<= ~a19~0 0)) (.cse6 (<= ~a25~0 0)) (.cse5 (<= ~a17~0 8)) (.cse1 (= ~a21~0 1))) (or (not (<= |old(~a17~0)| 8)) (and .cse0 (< 1 ~a25~0) .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~a19~0)| 1)) (and (not (= ~a11~0 1)) .cse5) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (<= 7 ~a17~0) (<= 10 ~a28~0) .cse1 (<= ~a17~0 7) .cse6 (<= ~a28~0 10)) (and (= ~a19~0 1) .cse5) (and (= 7 ~a17~0) .cse1 (= ~a25~0 1) (= ~a28~0 9)))) [2020-09-21 12:31:10,888 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 12:31:10,888 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 12:31:10,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:31:10 BoogieIcfgContainer [2020-09-21 12:31:10,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:31:10,916 INFO L168 Benchmark]: Toolchain (without parser) took 38545.79 ms. Allocated memory was 141.0 MB in the beginning and 675.8 MB in the end (delta: 534.8 MB). Free memory was 101.4 MB in the beginning and 425.4 MB in the end (delta: -324.0 MB). Peak memory consumption was 503.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:10,917 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-09-21 12:31:10,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.27 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 100.9 MB in the beginning and 173.1 MB in the end (delta: -72.1 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:10,919 INFO L168 Benchmark]: Boogie Preprocessor took 109.50 ms. Allocated memory is still 206.6 MB. Free memory was 173.1 MB in the beginning and 168.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:10,920 INFO L168 Benchmark]: RCFGBuilder took 1422.59 ms. Allocated memory was 206.6 MB in the beginning and 235.9 MB in the end (delta: 29.4 MB). Free memory was 168.1 MB in the beginning and 178.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:10,921 INFO L168 Benchmark]: TraceAbstraction took 36157.77 ms. Allocated memory was 235.9 MB in the beginning and 675.8 MB in the end (delta: 439.9 MB). Free memory was 176.9 MB in the beginning and 425.4 MB in the end (delta: -248.4 MB). Peak memory consumption was 483.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:10,926 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 846.27 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 100.9 MB in the beginning and 173.1 MB in the end (delta: -72.1 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.50 ms. Allocated memory is still 206.6 MB. Free memory was 173.1 MB in the beginning and 168.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1422.59 ms. Allocated memory was 206.6 MB in the beginning and 235.9 MB in the end (delta: 29.4 MB). Free memory was 168.1 MB in the beginning and 178.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36157.77 ms. Allocated memory was 235.9 MB in the beginning and 675.8 MB in the end (delta: 439.9 MB). Free memory was 176.9 MB in the beginning and 425.4 MB in the end (delta: -248.4 MB). Peak memory consumption was 483.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 586]: 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(a17) <= 8) || ((((((a19 <= 0 && 1 < a25) && a21 == 1) && 7 <= a28) && 8 <= a17) && a28 <= 7) && a17 <= 8)) || !(\old(a19) == 1)) || (!(a11 == 1) && a17 <= 8)) || !(0 == \old(a11))) || (((((a21 == 1 && 7 <= a28) && 8 <= a17) && a28 <= 7) && a17 <= 8) && a25 <= 0)) || ((((((a19 <= 0 && 7 <= a17) && 10 <= a28) && a21 == 1) && a17 <= 7) && a25 <= 0) && a28 <= 10)) || (a19 == 1 && a17 <= 8)) || (((7 == a17 && a21 == 1) && a25 == 1) && a28 == 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 375 SDtfs, 3364 SDslu, 447 SDs, 0 SdLazy, 8477 SolverSat, 984 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 73 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2946occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 351 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 138 PreInvPairs, 222 NumberOfFragments, 559 HoareAnnotationTreeSize, 138 FomulaSimplifications, 609500 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1843 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 1850 NumberOfCodeBlocks, 1850 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1840 ConstructedInterpolants, 0 QuantifiedInterpolants, 2392747 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 406/418 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...