/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:13:00,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:13:00,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:13:00,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:13:00,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:13:00,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:13:00,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:13:00,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:13:00,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:13:00,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:13:00,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:13:00,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:13:00,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:13:00,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:13:00,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:13:00,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:13:00,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:13:00,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:13:00,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:13:00,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:13:00,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:13:00,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:13:00,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:13:00,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:13:00,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:13:00,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:13:00,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:13:00,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:13:00,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:13:00,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:13:00,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:13:00,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:13:00,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:13:00,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:13:00,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:13:00,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:13:00,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:13:00,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:13:00,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:13:00,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:13:00,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:13:00,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 11:13:00,137 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:13:00,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:13:00,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:13:00,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:13:00,144 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:13:00,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:13:00,145 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:13:00,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:13:00,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:13:00,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:13:00,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:13:00,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:13:00,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:13:00,146 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:13:00,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:13:00,147 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:13:00,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:13:00,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:13:00,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:13:00,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:13:00,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:13:00,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:13:00,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:13:00,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:13:00,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:13:00,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:13:00,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:13:00,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:13:00,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:13:00,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 11:13:00,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:13:00,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:13:00,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:13:00,462 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:13:00,463 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:13:00,463 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label17.c [2020-10-12 11:13:00,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33fb8c21c/1a26a6446316410f84c77b02891a753f/FLAG6705e7c6e [2020-10-12 11:13:01,078 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:13:01,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label17.c [2020-10-12 11:13:01,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33fb8c21c/1a26a6446316410f84c77b02891a753f/FLAG6705e7c6e [2020-10-12 11:13:01,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33fb8c21c/1a26a6446316410f84c77b02891a753f [2020-10-12 11:13:01,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:13:01,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:13:01,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:13:01,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:13:01,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:13:01,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:13:01" (1/1) ... [2020-10-12 11:13:01,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b81ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:01, skipping insertion in model container [2020-10-12 11:13:01,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:13:01" (1/1) ... [2020-10-12 11:13:01,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:13:01,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:13:01,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:13:01,937 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:13:02,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:13:02,098 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:13:02,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:02 WrapperNode [2020-10-12 11:13:02,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:13:02,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:13:02,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:13:02,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:13:02,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:02" (1/1) ... [2020-10-12 11:13:02,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:02" (1/1) ... [2020-10-12 11:13:02,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:02" (1/1) ... [2020-10-12 11:13:02,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:02" (1/1) ... [2020-10-12 11:13:02,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:02" (1/1) ... [2020-10-12 11:13:02,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:02" (1/1) ... [2020-10-12 11:13:02,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:02" (1/1) ... [2020-10-12 11:13:02,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:13:02,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:13:02,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:13:02,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:13:02,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:13:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:13:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:13:02,288 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:13:02,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:13:02,289 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:13:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:13:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:13:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:13:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:13:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:13:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:13:03,394 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:13:03,395 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:13:03,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:03 BoogieIcfgContainer [2020-10-12 11:13:03,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:13:03,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:13:03,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:13:03,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:13:03,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:13:01" (1/3) ... [2020-10-12 11:13:03,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78dad319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:03, skipping insertion in model container [2020-10-12 11:13:03,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:02" (2/3) ... [2020-10-12 11:13:03,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78dad319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:03, skipping insertion in model container [2020-10-12 11:13:03,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:03" (3/3) ... [2020-10-12 11:13:03,409 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label17.c [2020-10-12 11:13:03,419 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:13:03,427 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:13:03,440 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:13:03,465 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:13:03,465 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:13:03,466 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:13:03,466 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:13:03,466 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:13:03,466 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:13:03,467 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:13:03,467 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:13:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-12 11:13:03,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-12 11:13:03,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:03,504 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] [2020-10-12 11:13:03,504 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:03,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:03,511 INFO L82 PathProgramCache]: Analyzing trace with hash -130625471, now seen corresponding path program 1 times [2020-10-12 11:13:03,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:03,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [131937702] [2020-10-12 11:13:03,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:03,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:04,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:05,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:05,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 11:13:05,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:05,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1542 [2020-10-12 11:13:05,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 11:13:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:05,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 11:13:05,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 11:13:05,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:05,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:05,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:05,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:05,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:05,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 11:13:05,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:05,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:05,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:05,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:05,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:05,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [131937702] [2020-10-12 11:13:05,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:13:05,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 11:13:05,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774076570] [2020-10-12 11:13:05,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 11:13:05,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:05,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 11:13:05,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:13:05,925 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 11 states. [2020-10-12 11:13:06,282 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-12 11:13:06,422 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-12 11:13:06,648 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-10-12 11:13:06,876 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2020-10-12 11:13:07,306 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2020-10-12 11:13:07,695 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-10-12 11:13:08,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:08,536 INFO L93 Difference]: Finished difference Result 536 states and 892 transitions. [2020-10-12 11:13:08,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:13:08,539 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 125 [2020-10-12 11:13:08,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:08,552 INFO L225 Difference]: With dead ends: 536 [2020-10-12 11:13:08,552 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:13:08,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:13:08,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:13:08,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:13:08,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:13:08,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 323 transitions. [2020-10-12 11:13:08,629 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 323 transitions. Word has length 125 [2020-10-12 11:13:08,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:08,629 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 323 transitions. [2020-10-12 11:13:08,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 11:13:08,630 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 323 transitions. [2020-10-12 11:13:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-12 11:13:08,634 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:08,634 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:08,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:13:08,635 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:08,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:08,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1439670512, now seen corresponding path program 1 times [2020-10-12 11:13:08,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:08,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748635345] [2020-10-12 11:13:08,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:08,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:08,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:09,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:09,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:09,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 11:13:09,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:09,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1240 [2020-10-12 11:13:09,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:09,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:09,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 11:13:09,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:13:09,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:10,280 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-10-12 11:13:10,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:10,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:10,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:10,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:10,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:10,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:13:10,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:10,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:10,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:10,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:10,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:10,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:10,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:10,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 11:13:10,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:10,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:13:10,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:10,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:10,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:10,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 11:13:10,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:10,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:10,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748635345] [2020-10-12 11:13:10,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:10,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:10,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282334984] [2020-10-12 11:13:10,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:10,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:10,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:10,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:10,803 INFO L87 Difference]: Start difference. First operand 233 states and 323 transitions. Second operand 12 states. [2020-10-12 11:13:12,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:12,865 INFO L93 Difference]: Finished difference Result 549 states and 794 transitions. [2020-10-12 11:13:12,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 11:13:12,866 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 134 [2020-10-12 11:13:12,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:12,870 INFO L225 Difference]: With dead ends: 549 [2020-10-12 11:13:12,870 INFO L226 Difference]: Without dead ends: 236 [2020-10-12 11:13:12,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:13:12,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-12 11:13:12,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2020-10-12 11:13:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 11:13:12,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2020-10-12 11:13:12,889 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 308 transitions. Word has length 134 [2020-10-12 11:13:12,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:12,890 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 308 transitions. [2020-10-12 11:13:12,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:12,890 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 308 transitions. [2020-10-12 11:13:12,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-12 11:13:12,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:12,893 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:12,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:13:12,894 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:12,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:12,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1738531464, now seen corresponding path program 1 times [2020-10-12 11:13:12,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:12,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [80833665] [2020-10-12 11:13:12,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:12,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:12,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:13,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:14,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:14,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 11:13:14,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:14,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1303 [2020-10-12 11:13:14,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:14,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:14,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 11:13:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 11:13:14,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:15,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:15,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:15,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:15,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:15,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:15,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:15,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:15,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:15,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:15,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:15,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:15,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:15,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:15,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:15,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:15,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:15,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:13:15,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 11:13:15,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:15,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [80833665] [2020-10-12 11:13:15,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:15,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:15,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987222361] [2020-10-12 11:13:15,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:15,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:15,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:15,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:15,297 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. Second operand 12 states. [2020-10-12 11:13:15,576 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-12 11:13:15,862 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-12 11:13:16,005 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-12 11:13:17,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:17,207 INFO L93 Difference]: Finished difference Result 554 states and 772 transitions. [2020-10-12 11:13:17,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:13:17,209 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 138 [2020-10-12 11:13:17,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:17,217 INFO L225 Difference]: With dead ends: 554 [2020-10-12 11:13:17,217 INFO L226 Difference]: Without dead ends: 327 [2020-10-12 11:13:17,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2020-10-12 11:13:17,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-12 11:13:17,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 318. [2020-10-12 11:13:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-12 11:13:17,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 397 transitions. [2020-10-12 11:13:17,265 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 397 transitions. Word has length 138 [2020-10-12 11:13:17,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:17,266 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 397 transitions. [2020-10-12 11:13:17,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:17,266 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 397 transitions. [2020-10-12 11:13:17,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-12 11:13:17,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:17,270 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:17,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:13:17,270 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:17,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:17,271 INFO L82 PathProgramCache]: Analyzing trace with hash -189213152, now seen corresponding path program 1 times [2020-10-12 11:13:17,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:17,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630238676] [2020-10-12 11:13:17,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:17,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:17,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:17,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:17,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-12 11:13:17,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:17,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-12 11:13:17,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:17,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:13:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 11:13:17,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:17,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:17,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:17,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:17,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:17,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:17,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:17,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:17,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:17,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:17,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:17,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:17,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:17,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:17,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:17,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:17,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:17,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:17,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:13:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:17,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:17,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:17,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:13:17,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:17,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:13:17,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:13:17,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:17,830 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 11:13:17,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630238676] [2020-10-12 11:13:17,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:17,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:13:17,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343464237] [2020-10-12 11:13:17,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:13:17,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:17,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:13:17,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:13:17,833 INFO L87 Difference]: Start difference. First operand 318 states and 397 transitions. Second operand 5 states. [2020-10-12 11:13:18,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:18,951 INFO L93 Difference]: Finished difference Result 798 states and 1039 transitions. [2020-10-12 11:13:18,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:13:18,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-10-12 11:13:18,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:18,959 INFO L225 Difference]: With dead ends: 798 [2020-10-12 11:13:18,960 INFO L226 Difference]: Without dead ends: 486 [2020-10-12 11:13:18,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:18,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-10-12 11:13:18,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 476. [2020-10-12 11:13:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-12 11:13:18,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 612 transitions. [2020-10-12 11:13:18,999 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 612 transitions. Word has length 160 [2020-10-12 11:13:19,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:19,001 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 612 transitions. [2020-10-12 11:13:19,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:13:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 612 transitions. [2020-10-12 11:13:19,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 11:13:19,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:19,005 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:19,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:13:19,005 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:19,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:19,006 INFO L82 PathProgramCache]: Analyzing trace with hash 154084801, now seen corresponding path program 1 times [2020-10-12 11:13:19,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:19,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1903163120] [2020-10-12 11:13:19,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:19,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:19,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:19,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:20,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:20,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 11:13:20,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:20,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1425 [2020-10-12 11:13:20,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 11:13:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 11:13:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 11:13:20,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:20,937 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-10-12 11:13:21,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:21,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:21,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:21,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:21,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:21,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:21,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:21,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:21,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:21,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:21,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:21,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:21,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:21,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 11:13:21,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 11:13:21,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 11:13:21,703 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:13:21,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1903163120] [2020-10-12 11:13:21,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:21,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 11:13:21,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826131964] [2020-10-12 11:13:21,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:13:21,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:21,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:13:21,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:21,712 INFO L87 Difference]: Start difference. First operand 476 states and 612 transitions. Second operand 12 states. [2020-10-12 11:13:22,155 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-12 11:13:22,314 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-12 11:13:23,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:23,580 INFO L93 Difference]: Finished difference Result 1039 states and 1387 transitions. [2020-10-12 11:13:23,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 11:13:23,586 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 159 [2020-10-12 11:13:23,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:23,590 INFO L225 Difference]: With dead ends: 1039 [2020-10-12 11:13:23,591 INFO L226 Difference]: Without dead ends: 559 [2020-10-12 11:13:23,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-12 11:13:23,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-10-12 11:13:23,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 552. [2020-10-12 11:13:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-10-12 11:13:23,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 693 transitions. [2020-10-12 11:13:23,612 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 693 transitions. Word has length 159 [2020-10-12 11:13:23,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:23,613 INFO L479 AbstractCegarLoop]: Abstraction has 552 states and 693 transitions. [2020-10-12 11:13:23,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:13:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 693 transitions. [2020-10-12 11:13:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-12 11:13:23,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:23,616 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 11:13:23,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:13:23,617 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:23,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:23,617 INFO L82 PathProgramCache]: Analyzing trace with hash -14891035, now seen corresponding path program 1 times [2020-10-12 11:13:23,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:23,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [802955648] [2020-10-12 11:13:23,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:23,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:23,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:24,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:24,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:24,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-12 11:13:24,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:24,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-10-12 11:13:24,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:24,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:24,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-12 11:13:24,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 11:13:24,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:24,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:24,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:24,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:24,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:24,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:24,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:24,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:24,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:24,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:24,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:24,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:24,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:24,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:24,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:24,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:24,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:24,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:24,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:24,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:24,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:24,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:24,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:24,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:13:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:24,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:24,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:24,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:13:24,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:24,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:13:24,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:24,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:24,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:24,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:24,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:24,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 11:13:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:24,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:24,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:24,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:24,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:24,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:13:24,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:24,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:24,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:24,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:13:24,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-12 11:13:24,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [802955648] [2020-10-12 11:13:24,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:24,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:13:24,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883696682] [2020-10-12 11:13:24,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:13:24,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:24,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:13:24,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:13:24,834 INFO L87 Difference]: Start difference. First operand 552 states and 693 transitions. Second operand 5 states. [2020-10-12 11:13:25,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:25,951 INFO L93 Difference]: Finished difference Result 1396 states and 1822 transitions. [2020-10-12 11:13:25,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:13:25,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2020-10-12 11:13:25,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:25,957 INFO L225 Difference]: With dead ends: 1396 [2020-10-12 11:13:25,958 INFO L226 Difference]: Without dead ends: 850 [2020-10-12 11:13:25,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:25,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2020-10-12 11:13:25,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 701. [2020-10-12 11:13:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-10-12 11:13:25,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 916 transitions. [2020-10-12 11:13:25,992 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 916 transitions. Word has length 168 [2020-10-12 11:13:25,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:25,996 INFO L479 AbstractCegarLoop]: Abstraction has 701 states and 916 transitions. [2020-10-12 11:13:25,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:13:25,996 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 916 transitions. [2020-10-12 11:13:25,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-12 11:13:25,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:26,000 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-10-12 11:13:26,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:13:26,001 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:26,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:26,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1819106301, now seen corresponding path program 1 times [2020-10-12 11:13:26,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:26,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526297443] [2020-10-12 11:13:26,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:26,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:26,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:26,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:26,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:26,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-12 11:13:26,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:13:26,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 936 [2020-10-12 11:13:26,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:26,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:26,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-12 11:13:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 11:13:26,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:27,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:27,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:27,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:27,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:27,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:27,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:13:27,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:27,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:27,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:27,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:27,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:27,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 11:13:27,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:27,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:13:27,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:27,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:27,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:27,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:27,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 11:13:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:27,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:27,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:27,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 11:13:27,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:27,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:13:27,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:27,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:27,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:27,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 11:13:27,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:27,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 11:13:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:27,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:27,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:27,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:13:27,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:27,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:13:27,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:27,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 11:13:27,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:27,152 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 11:13:27,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526297443] [2020-10-12 11:13:27,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:27,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:13:27,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981133515] [2020-10-12 11:13:27,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:13:27,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:27,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:13:27,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:27,155 INFO L87 Difference]: Start difference. First operand 701 states and 916 transitions. Second operand 7 states. [2020-10-12 11:13:28,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:28,929 INFO L93 Difference]: Finished difference Result 1723 states and 2354 transitions. [2020-10-12 11:13:28,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:13:28,930 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 175 [2020-10-12 11:13:28,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:28,935 INFO L225 Difference]: With dead ends: 1723 [2020-10-12 11:13:28,935 INFO L226 Difference]: Without dead ends: 871 [2020-10-12 11:13:28,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:13:28,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2020-10-12 11:13:28,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 846. [2020-10-12 11:13:28,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2020-10-12 11:13:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1004 transitions. [2020-10-12 11:13:28,967 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1004 transitions. Word has length 175 [2020-10-12 11:13:28,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:28,968 INFO L479 AbstractCegarLoop]: Abstraction has 846 states and 1004 transitions. [2020-10-12 11:13:28,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:13:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1004 transitions. [2020-10-12 11:13:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-12 11:13:28,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:28,972 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:28,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:13:28,972 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:28,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:28,972 INFO L82 PathProgramCache]: Analyzing trace with hash 363115223, now seen corresponding path program 1 times [2020-10-12 11:13:28,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:28,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462778317] [2020-10-12 11:13:28,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:29,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:29,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:29,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:29,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:30,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:31,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:31,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:31,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:31,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:31,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-12 11:13:31,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 11:13:31,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2940 [2020-10-12 11:13:31,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:31,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:13:31,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:31,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-12 11:13:31,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:32,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:32,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:32,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:32,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:32,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:32,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:13:32,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:32,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:32,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:32,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:32,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:32,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:32,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:32,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:32,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:32,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:32,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:32,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 11:13:32,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:32,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:13:32,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:32,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:32,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:32,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:32,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:32,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:32,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:32,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:13:32,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:13:32,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:32,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:13:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:32,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:32,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:32,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:32,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:13:32,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:32,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:13:32,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 11:13:32,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 9 proven. 43 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-12 11:13:32,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462778317] [2020-10-12 11:13:32,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:32,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:13:32,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547240539] [2020-10-12 11:13:32,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:13:32,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:32,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:13:32,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:32,216 INFO L87 Difference]: Start difference. First operand 846 states and 1004 transitions. Second operand 7 states. [2020-10-12 11:13:33,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:33,239 INFO L93 Difference]: Finished difference Result 2177 states and 2727 transitions. [2020-10-12 11:13:33,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:13:33,240 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-10-12 11:13:33,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:33,247 INFO L225 Difference]: With dead ends: 2177 [2020-10-12 11:13:33,247 INFO L226 Difference]: Without dead ends: 1181 [2020-10-12 11:13:33,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-10-12 11:13:33,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2020-10-12 11:13:33,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1150. [2020-10-12 11:13:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2020-10-12 11:13:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1384 transitions. [2020-10-12 11:13:33,301 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1384 transitions. Word has length 182 [2020-10-12 11:13:33,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:33,302 INFO L479 AbstractCegarLoop]: Abstraction has 1150 states and 1384 transitions. [2020-10-12 11:13:33,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:13:33,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1384 transitions. [2020-10-12 11:13:33,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-12 11:13:33,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:33,307 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:33,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:13:33,308 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:33,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:33,308 INFO L82 PathProgramCache]: Analyzing trace with hash 336120646, now seen corresponding path program 1 times [2020-10-12 11:13:33,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:33,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258323443] [2020-10-12 11:13:33,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:33,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:33,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:33,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:33,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:34,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:37,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-12 11:13:38,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 11:13:38,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-12 11:13:38,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 11:13:38,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:13:38,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 11:13:38,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:38,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:38,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:38,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:13:38,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:38,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:13:38,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:38,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:38,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:38,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:38,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-12 11:13:38,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:38,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:38,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 11:13:38,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:38,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:38,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:38,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:13:38,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:38,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:38,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:13:38,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:13:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:38,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 11:13:38,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:38,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 11:13:38,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:38,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:38,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 11:13:38,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 11:13:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:38,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:38,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:38,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:13:38,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:38,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:13:38,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-12 11:13:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:38,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 93 proven. 69 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-12 11:13:38,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258323443] [2020-10-12 11:13:38,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:38,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 11:13:38,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442637892] [2020-10-12 11:13:38,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:13:38,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:38,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:13:38,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:13:38,739 INFO L87 Difference]: Start difference. First operand 1150 states and 1384 transitions. Second operand 8 states. [2020-10-12 11:13:39,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:39,356 INFO L93 Difference]: Finished difference Result 2132 states and 2588 transitions. [2020-10-12 11:13:39,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:13:39,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 220 [2020-10-12 11:13:39,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:39,367 INFO L225 Difference]: With dead ends: 2132 [2020-10-12 11:13:39,367 INFO L226 Difference]: Without dead ends: 988 [2020-10-12 11:13:39,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:13:39,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2020-10-12 11:13:39,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 984. [2020-10-12 11:13:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2020-10-12 11:13:39,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1139 transitions. [2020-10-12 11:13:39,397 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1139 transitions. Word has length 220 [2020-10-12 11:13:39,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:39,397 INFO L479 AbstractCegarLoop]: Abstraction has 984 states and 1139 transitions. [2020-10-12 11:13:39,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:13:39,397 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1139 transitions. [2020-10-12 11:13:39,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-12 11:13:39,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:39,402 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:39,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:13:39,402 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:39,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:39,403 INFO L82 PathProgramCache]: Analyzing trace with hash -563465998, now seen corresponding path program 1 times [2020-10-12 11:13:39,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:39,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [133043436] [2020-10-12 11:13:39,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:39,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:39,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:39,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:39,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:41,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:42,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-12 11:13:42,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 11:13:42,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3279 [2020-10-12 11:13:42,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:13:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-12 11:13:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-12 11:13:42,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:42,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:42,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:42,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:42,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:42,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:42,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:42,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:42,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:42,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:42,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:13:42,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:42,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:42,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:42,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:42,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:13:42,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:42,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:42,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:42,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:42,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:42,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:42,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:42,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:42,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:42,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:13:42,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:42,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:42,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:42,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:42,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:42,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:13:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:42,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:42,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 11:13:42,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:42,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 11:13:42,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:42,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:42,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:42,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 11:13:42,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:42,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 11:13:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:42,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:42,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:42,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:13:42,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:42,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 11:13:42,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:42,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:42,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:42,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:13:42,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 124 proven. 29 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-12 11:13:43,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [133043436] [2020-10-12 11:13:43,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:43,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:13:43,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999430347] [2020-10-12 11:13:43,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:13:43,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:43,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:13:43,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:43,026 INFO L87 Difference]: Start difference. First operand 984 states and 1139 transitions. Second operand 7 states. [2020-10-12 11:13:44,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:44,122 INFO L93 Difference]: Finished difference Result 2373 states and 2830 transitions. [2020-10-12 11:13:44,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 11:13:44,125 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 225 [2020-10-12 11:13:44,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:44,131 INFO L225 Difference]: With dead ends: 2373 [2020-10-12 11:13:44,131 INFO L226 Difference]: Without dead ends: 1449 [2020-10-12 11:13:44,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:44,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2020-10-12 11:13:44,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1433. [2020-10-12 11:13:44,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1433 states. [2020-10-12 11:13:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 1632 transitions. [2020-10-12 11:13:44,168 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 1632 transitions. Word has length 225 [2020-10-12 11:13:44,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:44,169 INFO L479 AbstractCegarLoop]: Abstraction has 1433 states and 1632 transitions. [2020-10-12 11:13:44,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:13:44,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1632 transitions. [2020-10-12 11:13:44,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-12 11:13:44,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:44,175 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2020-10-12 11:13:44,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:13:44,176 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:44,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:44,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1085910782, now seen corresponding path program 1 times [2020-10-12 11:13:44,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:44,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872087920] [2020-10-12 11:13:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:44,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:44,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:44,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:45,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:45,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:46,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-12 11:13:46,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 11:13:46,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2482 [2020-10-12 11:13:46,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:46,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:13:46,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-12 11:13:46,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 11:13:46,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:46,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:46,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:46,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:46,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:46,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:13:46,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:46,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:46,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:46,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:46,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:46,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:46,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:46,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:46,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:46,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:13:46,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:46,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:46,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:46,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:13:46,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:46,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:13:46,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:46,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:46,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:46,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:13:46,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:46,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 11:13:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:46,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:46,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 11:13:46,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:46,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 11:13:46,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:46,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 11:13:46,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:46,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 11:13:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:46,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:46,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:46,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:13:46,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 11:13:46,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:46,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:13:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 171 proven. 29 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 11:13:46,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872087920] [2020-10-12 11:13:46,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:46,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 11:13:46,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094309322] [2020-10-12 11:13:46,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 11:13:46,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:46,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 11:13:46,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-12 11:13:46,964 INFO L87 Difference]: Start difference. First operand 1433 states and 1632 transitions. Second operand 8 states. [2020-10-12 11:13:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:48,143 INFO L93 Difference]: Finished difference Result 3537 states and 4032 transitions. [2020-10-12 11:13:48,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 11:13:48,143 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 233 [2020-10-12 11:13:48,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:48,148 INFO L225 Difference]: With dead ends: 3537 [2020-10-12 11:13:48,148 INFO L226 Difference]: Without dead ends: 1336 [2020-10-12 11:13:48,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:48,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2020-10-12 11:13:48,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1333. [2020-10-12 11:13:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1333 states. [2020-10-12 11:13:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1461 transitions. [2020-10-12 11:13:48,183 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1461 transitions. Word has length 233 [2020-10-12 11:13:48,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:48,183 INFO L479 AbstractCegarLoop]: Abstraction has 1333 states and 1461 transitions. [2020-10-12 11:13:48,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 11:13:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1461 transitions. [2020-10-12 11:13:48,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 11:13:48,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:48,189 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:48,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 11:13:48,189 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:48,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:48,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1803382313, now seen corresponding path program 1 times [2020-10-12 11:13:48,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:48,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [174048259] [2020-10-12 11:13:48,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:48,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:48,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 11:13:48,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:48,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-10-12 11:13:48,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:48,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:48,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-12 11:13:48,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 11:13:48,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:48,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:48,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:48,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:48,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:48,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:13:48,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:48,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:48,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:48,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:48,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:48,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 11:13:48,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:48,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:13:48,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:48,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:48,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 11:13:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:48,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:48,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:48,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 11:13:48,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:48,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 11:13:48,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:48,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:48,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:48,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-12 11:13:48,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 11:13:48,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [174048259] [2020-10-12 11:13:48,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:48,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:13:48,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865601099] [2020-10-12 11:13:48,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:13:48,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:48,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:13:48,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:13:48,860 INFO L87 Difference]: Start difference. First operand 1333 states and 1461 transitions. Second operand 5 states. [2020-10-12 11:13:49,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:49,560 INFO L93 Difference]: Finished difference Result 1567 states and 1696 transitions. [2020-10-12 11:13:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:13:49,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2020-10-12 11:13:49,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:49,569 INFO L225 Difference]: With dead ends: 1567 [2020-10-12 11:13:49,569 INFO L226 Difference]: Without dead ends: 1257 [2020-10-12 11:13:49,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:13:49,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2020-10-12 11:13:49,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1255. [2020-10-12 11:13:49,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-12 11:13:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1359 transitions. [2020-10-12 11:13:49,598 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1359 transitions. Word has length 231 [2020-10-12 11:13:49,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:49,598 INFO L479 AbstractCegarLoop]: Abstraction has 1255 states and 1359 transitions. [2020-10-12 11:13:49,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:13:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1359 transitions. [2020-10-12 11:13:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-12 11:13:49,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:49,602 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:49,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 11:13:49,603 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:49,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:49,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1450635603, now seen corresponding path program 1 times [2020-10-12 11:13:49,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:49,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145903611] [2020-10-12 11:13:49,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:49,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:49,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:49,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:50,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:51,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-12 11:13:51,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:13:51,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1596 [2020-10-12 11:13:51,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:51,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:13:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-12 11:13:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 11:13:51,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:51,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:51,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:51,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:51,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:51,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:13:51,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:51,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:51,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:51,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:51,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 11:13:51,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:51,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 11:13:51,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:51,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:51,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:51,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 11:13:51,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:51,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 11:13:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:51,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:51,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 11:13:51,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:51,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 11:13:51,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:51,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:51,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:51,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 11:13:51,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:51,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 11:13:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:51,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:51,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:51,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:13:51,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:51,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 11:13:51,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:51,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:51,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:51,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:13:51,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 174 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-12 11:13:51,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145903611] [2020-10-12 11:13:51,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:51,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:13:51,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693362493] [2020-10-12 11:13:51,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:13:51,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:51,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:13:51,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:51,529 INFO L87 Difference]: Start difference. First operand 1255 states and 1359 transitions. Second operand 7 states. [2020-10-12 11:13:52,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:52,718 INFO L93 Difference]: Finished difference Result 2764 states and 2995 transitions. [2020-10-12 11:13:52,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:13:52,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 248 [2020-10-12 11:13:52,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:52,722 INFO L225 Difference]: With dead ends: 2764 [2020-10-12 11:13:52,723 INFO L226 Difference]: Without dead ends: 1412 [2020-10-12 11:13:52,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:13:52,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2020-10-12 11:13:52,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1403. [2020-10-12 11:13:52,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1403 states. [2020-10-12 11:13:52,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1482 transitions. [2020-10-12 11:13:52,754 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1482 transitions. Word has length 248 [2020-10-12 11:13:52,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:52,754 INFO L479 AbstractCegarLoop]: Abstraction has 1403 states and 1482 transitions. [2020-10-12 11:13:52,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:13:52,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1482 transitions. [2020-10-12 11:13:52,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-12 11:13:52,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:13:52,759 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:13:52,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 11:13:52,759 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:13:52,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:13:52,760 INFO L82 PathProgramCache]: Analyzing trace with hash -72304284, now seen corresponding path program 1 times [2020-10-12 11:13:52,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:13:52,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52019953] [2020-10-12 11:13:52,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:13:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:52,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:52,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:52,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:53,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:54,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:55,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:55,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:55,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 11:13:55,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 11:13:55,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2941 [2020-10-12 11:13:55,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:13:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-12 11:13:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-12 11:13:55,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:55,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:13:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:55,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:55,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:55,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:13:55,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:55,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:13:55,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:55,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:55,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:55,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:55,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:55,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:13:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:55,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:55,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:55,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 11:13:55,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:55,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:13:55,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:55,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:55,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:55,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:55,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:55,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 11:13:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:55,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:55,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:55,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 11:13:55,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:55,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:13:55,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:55,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:13:55,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:55,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:13:55,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:55,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 11:13:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:55,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:55,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:55,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 11:13:55,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:13:55,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:13:55,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:13:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:13:55,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 11:13:55,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:55,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 11:13:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:13:55,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:55,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:13:55,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:13:55,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 11:13:55,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:13:55,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 11:13:55,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:13:55,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:13:55,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:13:55,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:13:55,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:13:56,002 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 179 proven. 29 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-12 11:13:56,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52019953] [2020-10-12 11:13:56,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:13:56,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:13:56,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830972714] [2020-10-12 11:13:56,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:13:56,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:13:56,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:13:56,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:13:56,005 INFO L87 Difference]: Start difference. First operand 1403 states and 1482 transitions. Second operand 7 states. [2020-10-12 11:13:56,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:13:56,814 INFO L93 Difference]: Finished difference Result 2596 states and 2764 transitions. [2020-10-12 11:13:56,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 11:13:56,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 269 [2020-10-12 11:13:56,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:13:56,815 INFO L225 Difference]: With dead ends: 2596 [2020-10-12 11:13:56,815 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:13:56,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-12 11:13:56,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:13:56,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:13:56,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:13:56,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:13:56,821 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 269 [2020-10-12 11:13:56,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:13:56,821 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:13:56,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:13:56,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:13:56,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:13:56,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 11:13:56,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:13:57,283 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 132 [2020-10-12 11:13:57,462 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2020-10-12 11:13:58,977 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 198 DAG size of output: 135 [2020-10-12 11:13:59,455 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 69 [2020-10-12 11:14:00,163 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 96 [2020-10-12 11:14:00,167 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:14:00,168 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-12 11:14:00,168 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:14:00,168 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,168 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,168 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,169 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,169 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,169 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-12 11:14:00,169 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-12 11:14:00,169 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-12 11:14:00,169 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-12 11:14:00,169 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-12 11:14:00,170 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-12 11:14:00,170 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-12 11:14:00,170 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-12 11:14:00,170 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-12 11:14:00,170 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-12 11:14:00,170 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:14:00,170 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-12 11:14:00,171 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-12 11:14:00,171 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,171 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,171 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,171 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,171 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-12 11:14:00,171 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,171 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-12 11:14:00,172 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-12 11:14:00,172 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-12 11:14:00,172 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-12 11:14:00,172 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-12 11:14:00,172 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-12 11:14:00,172 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-12 11:14:00,172 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:14:00,172 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-12 11:14:00,172 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-12 11:14:00,172 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-12 11:14:00,173 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-12 11:14:00,173 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:14:00,173 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-12 11:14:00,173 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-12 11:14:00,173 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,173 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,173 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,173 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,174 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,174 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 529) no Hoare annotation was computed. [2020-10-12 11:14:00,174 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:14:00,174 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-12 11:14:00,174 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-12 11:14:00,174 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-12 11:14:00,174 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-12 11:14:00,175 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-12 11:14:00,175 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-12 11:14:00,175 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-12 11:14:00,175 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-12 11:14:00,175 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-12 11:14:00,175 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-12 11:14:00,175 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,175 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,176 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,176 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,176 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,176 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-12 11:14:00,176 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-12 11:14:00,176 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-12 11:14:00,176 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-12 11:14:00,176 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-12 11:14:00,176 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-12 11:14:00,176 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-12 11:14:00,176 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-12 11:14:00,176 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-12 11:14:00,177 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-12 11:14:00,177 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-12 11:14:00,177 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-12 11:14:00,177 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-12 11:14:00,177 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,177 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,177 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,177 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,178 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,178 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-12 11:14:00,178 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-12 11:14:00,178 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-12 11:14:00,178 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-12 11:14:00,178 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-12 11:14:00,178 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-12 11:14:00,178 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-12 11:14:00,178 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-12 11:14:00,179 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-12 11:14:00,179 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-12 11:14:00,179 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-12 11:14:00,179 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-12 11:14:00,179 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-12 11:14:00,179 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:14:00,179 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-12 11:14:00,179 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-12 11:14:00,179 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,179 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,179 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,179 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,180 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-12 11:14:00,180 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,180 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:14:00,180 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,180 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:14:00,180 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-12 11:14:00,180 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-12 11:14:00,180 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,180 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,180 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-12 11:14:00,180 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-12 11:14:00,180 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-12 11:14:00,181 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,182 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,183 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,184 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse16 (= |old(~a11~0)| 1)) (.cse23 (= 7 ~a17~0)) (.cse13 (= ~a28~0 |old(~a28~0)|)) (.cse19 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a25~0 |old(~a25~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|))) (let ((.cse5 (= ~a17~0 8)) (.cse1 (not (= 8 |old(~a17~0)|))) (.cse7 (= 11 |old(~a28~0)|)) (.cse10 (and .cse13 .cse19 .cse3 .cse4 .cse6)) (.cse20 (= 7 ~a28~0)) (.cse21 (not (= 7 |old(~a28~0)|))) (.cse18 (and .cse13 .cse23 .cse3 .cse4 .cse6)) (.cse11 (not (= 0 |old(~a25~0)|))) (.cse17 (not (= 7 |old(~a17~0)|))) (.cse8 (= ~a25~0 1)) (.cse2 (not (= ~a21~0 1))) (.cse9 (not (<= |old(~a17~0)| 8))) (.cse0 (not (= |old(~a19~0)| 1))) (.cse12 (not (<= 8 |old(~a17~0)|))) (.cse14 (<= 8 ~a17~0)) (.cse15 (<= ~a17~0 8)) (.cse22 (not .cse16))) (and (or (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6))) (not (= 10 |old(~a28~0)|)) .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 (= ~a28~0 10))) (or .cse0 (not .cse7) (not (= |old(~a19~0)| |old(~a25~0)|)) (and .cse3 (= ~a19~0 1) .cse5 .cse8 (= ~a28~0 11)) .cse1 .cse2 (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1))))) (or .cse9 .cse0 .cse10 .cse7 .cse11) (or (not (<= |old(~a25~0)| 1)) .cse9 .cse12 .cse7 (and .cse13 .cse3 (<= 1 ~a25~0) .cse14 .cse15 (<= ~a25~0 1) .cse6) .cse16 (not (<= 1 |old(~a25~0)|))) (or .cse17 .cse18 .cse0) (or .cse9 .cse10 (not (<= |old(~a28~0)| 8)) .cse11 .cse16) (or .cse9 .cse11 (and .cse19 .cse3 .cse4 .cse20 .cse6) .cse21) (or .cse9 .cse0 .cse10 .cse11 .cse22) (or .cse9 .cse12 (and .cse3 .cse4 .cse14 .cse20 .cse15 .cse6) .cse21 .cse22) (or .cse18 .cse17 .cse11) (or (not (= |old(~a25~0)| 1)) .cse17 (and .cse23 .cse3 .cse8 (= ~a28~0 9) .cse6) (not (= 0 |old(~a19~0)|)) (not (= 9 |old(~a28~0)|)) .cse2 .cse22) (or .cse9 .cse0 .cse12 (and .cse13 .cse3 .cse4 .cse14 .cse15 .cse6) .cse22)))) [2020-10-12 11:14:00,184 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,184 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,184 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,184 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-12 11:14:00,184 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-12 11:14:00,184 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-12 11:14:00,184 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-12 11:14:00,184 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-12 11:14:00,184 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-12 11:14:00,185 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,186 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-12 11:14:00,187 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-12 11:14:00,188 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:14:00,188 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-12 11:14:00,188 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-12 11:14:00,188 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-12 11:14:00,188 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:14:00,188 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (<= 8 ~a17~0) (= 7 ~a28~0) (<= ~a17~0 8)) [2020-10-12 11:14:00,188 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:14:00,188 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:14:00,188 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-12 11:14:00,189 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse9 (= ~a25~0 0)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse7 (<= 8 ~a17~0)) (.cse11 (= 9 |old(~a17~0)|))) (let ((.cse2 (= ~a11~0 1)) (.cse4 (or (and .cse10 .cse7) (and .cse7 .cse11))) (.cse1 (= ~a25~0 1)) (.cse6 (not (= ~a28~0 11))) (.cse3 (= ~a19~0 1)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse8 (or (and .cse10 .cse9) (and .cse9 .cse11))) (.cse0 (= 7 ~a17~0))) (or (and (= ~a19~0 0) .cse0 .cse1 (= ~a28~0 9) .cse2) (and .cse3 .cse2 .cse4) (and .cse5 (<= 1 ~a25~0) (<= ~a25~0 1) .cse4 .cse6) (and (= 7 ~a28~0) .cse2 .cse4) (not (= |old(~a19~0)| 1)) (and .cse0 .cse3) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse5 .cse7 .cse1 (<= ~a17~0 8) (= ~a25~0 ~a19~0)) (and .cse5 .cse3 .cse8 .cse6) (and .cse3 (= ~a17~0 8) (= ~a28~0 10)) (and .cse5 (<= ~a28~0 8) .cse8) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse9) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-10-12 11:14:00,189 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:14:00,189 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-12 11:14:00,189 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse9 (= ~a25~0 0)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= 9 |old(~a17~0)|))) (let ((.cse2 (= ~a11~0 1)) (.cse4 (let ((.cse12 (<= 8 ~a17~0))) (or (and .cse10 .cse12) (and .cse12 .cse11)))) (.cse7 (= ~a17~0 8)) (.cse1 (= ~a25~0 1)) (.cse3 (= ~a19~0 1)) (.cse6 (not (= ~a28~0 11))) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse8 (or (and .cse10 .cse9) (and .cse9 .cse11))) (.cse0 (= 7 ~a17~0))) (or (and (= ~a19~0 0) .cse0 .cse1 (= ~a28~0 9) .cse2) (and .cse3 .cse2 .cse4) (and .cse5 (<= 1 ~a25~0) (<= ~a25~0 1) .cse4 .cse6) (and (= 7 ~a28~0) .cse2 .cse4) (not (= |old(~a19~0)| 1)) (and .cse0 .cse3) (and (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1)) .cse3 .cse7 (= ~a28~0 10)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse5 .cse7 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) .cse1 (= ~a25~0 ~a19~0)) (and .cse5 .cse3 .cse8 .cse6) (and .cse5 (<= ~a28~0 8) .cse8) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse9) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-10-12 11:14:00,189 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-12 11:14:00,189 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-12 11:14:00,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:14:00 BoogieIcfgContainer [2020-10-12 11:14:00,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:14:00,215 INFO L168 Benchmark]: Toolchain (without parser) took 58868.63 ms. Allocated memory was 141.0 MB in the beginning and 944.8 MB in the end (delta: 803.7 MB). Free memory was 102.6 MB in the beginning and 92.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 813.8 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:00,215 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 11:14:00,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.64 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.4 MB in the beginning and 170.6 MB in the end (delta: -68.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:00,219 INFO L168 Benchmark]: Boogie Preprocessor took 116.97 ms. Allocated memory is still 203.9 MB. Free memory was 170.6 MB in the beginning and 165.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:00,220 INFO L168 Benchmark]: RCFGBuilder took 1182.17 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 165.2 MB in the beginning and 177.0 MB in the end (delta: -11.8 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:00,221 INFO L168 Benchmark]: TraceAbstraction took 56811.22 ms. Allocated memory was 235.9 MB in the beginning and 944.8 MB in the end (delta: 708.8 MB). Free memory was 175.6 MB in the beginning and 92.6 MB in the end (delta: 83.0 MB). Peak memory consumption was 791.9 MB. Max. memory is 7.1 GB. [2020-10-12 11:14:00,224 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.64 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.4 MB in the beginning and 170.6 MB in the end (delta: -68.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.97 ms. Allocated memory is still 203.9 MB. Free memory was 170.6 MB in the beginning and 165.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1182.17 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 165.2 MB in the beginning and 177.0 MB in the end (delta: -11.8 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56811.22 ms. Allocated memory was 235.9 MB in the beginning and 944.8 MB in the end (delta: 708.8 MB). Free memory was 175.6 MB in the beginning and 92.6 MB in the end (delta: 83.0 MB). Peak memory consumption was 791.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 529]: 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: ((((((((((((((((((a19 == 0 && 7 == a17) && a25 == 1) && a28 == 9) && a11 == 1) || ((a19 == 1 && a11 == 1) && ((a17 == \old(a17) && 8 <= a17) || (8 <= a17 && 9 == \old(a17))))) || ((((a11 == \old(a11) && 1 <= a25) && a25 <= 1) && ((a17 == \old(a17) && 8 <= a17) || (8 <= a17 && 9 == \old(a17)))) && !(a28 == 11))) || ((7 == a28 && a11 == 1) && ((a17 == \old(a17) && 8 <= a17) || (8 <= a17 && 9 == \old(a17))))) || !(\old(a19) == 1)) || (7 == a17 && a19 == 1)) || !(8 == \old(a17))) || !(0 == \old(a25))) || ((((a11 == \old(a11) && 8 <= a17) && a25 == 1) && a17 <= 8) && a25 == a19)) || (((a11 == \old(a11) && a19 == 1) && ((a17 == \old(a17) && a25 == 0) || (a25 == 0 && 9 == \old(a17)))) && !(a28 == 11))) || ((a19 == 1 && a17 == 8) && a28 == 10)) || ((a11 == \old(a11) && a28 <= 8) && ((a17 == \old(a17) && a25 == 0) || (a25 == 0 && 9 == \old(a17))))) || !(a21 == 1)) || !(7 == \old(a28))) || (7 == a17 && a25 == 0)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 53.3s, OverallIterations: 14, TraceHistogramMax: 5, AutomataDifference: 19.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 487 SDtfs, 6334 SDslu, 644 SDs, 0 SdLazy, 11189 SolverSat, 1268 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 138 SyntacticMatches, 5 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1433occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 271 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 103 PreInvPairs, 150 NumberOfFragments, 1041 HoareAnnotationTreeSize, 103 FomulaSimplifications, 63292 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3473 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 31.7s InterpolantComputationTime, 2667 NumberOfCodeBlocks, 2667 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2653 ConstructedInterpolants, 0 QuantifiedInterpolants, 3015588 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 1318/1535 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...