/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:25:04,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:25:04,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:25:04,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:25:04,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:25:04,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:25:04,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:25:04,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:25:04,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:25:04,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:25:04,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:25:04,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:25:04,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:25:04,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:25:04,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:25:04,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:25:04,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:25:04,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:25:04,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:25:04,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:25:04,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:25:04,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:25:04,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:25:04,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:25:04,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:25:04,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:25:04,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:25:04,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:25:04,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:25:04,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:25:04,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:25:04,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:25:04,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:25:04,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:25:04,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:25:04,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:25:04,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:25:04,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:25:04,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:25:04,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:25:04,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:25:04,539 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:25:04,566 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:25:04,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:25:04,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:25:04,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:25:04,568 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:25:04,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:25:04,568 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:25:04,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:25:04,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:25:04,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:25:04,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:25:04,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:25:04,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:25:04,570 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:25:04,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:25:04,570 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:25:04,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:25:04,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:25:04,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:25:04,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:25:04,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:25:04,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:25:04,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:25:04,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:25:04,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:25:04,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:25:04,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:25:04,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:25:04,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:25:04,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:25:05,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:25:05,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:25:05,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:25:05,070 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:25:05,071 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:25:05,072 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label42.c [2020-09-21 11:25:05,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c88b002da/f209a468fc344cd9b9fb9bbedcef79b5/FLAGc709209d5 [2020-09-21 11:25:05,844 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:25:05,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label42.c [2020-09-21 11:25:05,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c88b002da/f209a468fc344cd9b9fb9bbedcef79b5/FLAGc709209d5 [2020-09-21 11:25:06,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c88b002da/f209a468fc344cd9b9fb9bbedcef79b5 [2020-09-21 11:25:06,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:25:06,095 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:25:06,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:25:06,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:25:06,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:25:06,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:25:06" (1/1) ... [2020-09-21 11:25:06,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87e4b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:06, skipping insertion in model container [2020-09-21 11:25:06,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:25:06" (1/1) ... [2020-09-21 11:25:06,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:25:06,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:25:06,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:25:06,741 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:25:06,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:25:06,946 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:25:06,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:06 WrapperNode [2020-09-21 11:25:06,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:25:06,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:25:06,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:25:06,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:25:06,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:06" (1/1) ... [2020-09-21 11:25:06,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:06" (1/1) ... [2020-09-21 11:25:07,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:06" (1/1) ... [2020-09-21 11:25:07,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:06" (1/1) ... [2020-09-21 11:25:07,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:06" (1/1) ... [2020-09-21 11:25:07,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:06" (1/1) ... [2020-09-21 11:25:07,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:06" (1/1) ... [2020-09-21 11:25:07,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:25:07,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:25:07,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:25:07,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:25:07,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:25:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:25:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:25:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:25:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:25:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:25:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:25:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:25:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:25:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:25:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:25:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:25:08,362 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:25:08,363 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:25:08,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:25:08 BoogieIcfgContainer [2020-09-21 11:25:08,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:25:08,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:25:08,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:25:08,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:25:08,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:25:06" (1/3) ... [2020-09-21 11:25:08,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36de617f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:25:08, skipping insertion in model container [2020-09-21 11:25:08,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:06" (2/3) ... [2020-09-21 11:25:08,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36de617f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:25:08, skipping insertion in model container [2020-09-21 11:25:08,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:25:08" (3/3) ... [2020-09-21 11:25:08,380 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label42.c [2020-09-21 11:25:08,391 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:25:08,402 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:25:08,423 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:25:08,455 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:25:08,455 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:25:08,455 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:25:08,456 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:25:08,456 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:25:08,456 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:25:08,456 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:25:08,456 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:25:08,484 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-21 11:25:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-09-21 11:25:08,498 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:08,500 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] [2020-09-21 11:25:08,500 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:08,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:08,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1328102103, now seen corresponding path program 1 times [2020-09-21 11:25:08,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:08,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603399936] [2020-09-21 11:25:08,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:08,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:08,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:08,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:08,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:08,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:25:08,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:08,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-21 11:25:08,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:08,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:25:08,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:08,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-21 11:25:08,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:09,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:09,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:09,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:09,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:09,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:09,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:09,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:09,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:25:09,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:09,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:09,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603399936] [2020-09-21 11:25:09,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:25:09,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:25:09,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536578181] [2020-09-21 11:25:09,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:09,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:09,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:09,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:09,436 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-09-21 11:25:11,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:11,533 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2020-09-21 11:25:11,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:25:11,535 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-09-21 11:25:11,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:11,555 INFO L225 Difference]: With dead ends: 698 [2020-09-21 11:25:11,556 INFO L226 Difference]: Without dead ends: 423 [2020-09-21 11:25:11,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:11,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-09-21 11:25:11,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-09-21 11:25:11,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-09-21 11:25:11,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 585 transitions. [2020-09-21 11:25:11,662 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 585 transitions. Word has length 121 [2020-09-21 11:25:11,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:11,663 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 585 transitions. [2020-09-21 11:25:11,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 585 transitions. [2020-09-21 11:25:11,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-09-21 11:25:11,669 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:11,669 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:25:11,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:25:11,670 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:11,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:11,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1654189344, now seen corresponding path program 1 times [2020-09-21 11:25:11,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:11,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1925075883] [2020-09-21 11:25:11,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:11,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:11,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:11,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:11,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:11,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-09-21 11:25:11,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:11,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:25:11,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:11,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:25:11,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:11,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:25:11,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:11,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:11,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:11,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:11,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:11,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:11,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:11,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:11,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:11,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:11,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:11,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:11,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:11,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:25:11,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:11,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:11,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:11,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:11,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:11,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:25:11,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:11,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:25:11,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:25:11,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:12,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1925075883] [2020-09-21 11:25:12,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:25:12,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:25:12,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027719262] [2020-09-21 11:25:12,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:25:12,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:12,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:25:12,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:25:12,016 INFO L87 Difference]: Start difference. First operand 417 states and 585 transitions. Second operand 8 states. [2020-09-21 11:25:13,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:13,640 INFO L93 Difference]: Finished difference Result 1130 states and 1658 transitions. [2020-09-21 11:25:13,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:25:13,641 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 131 [2020-09-21 11:25:13,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:13,649 INFO L225 Difference]: With dead ends: 1130 [2020-09-21 11:25:13,649 INFO L226 Difference]: Without dead ends: 719 [2020-09-21 11:25:13,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:25:13,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-09-21 11:25:13,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 697. [2020-09-21 11:25:13,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-09-21 11:25:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 978 transitions. [2020-09-21 11:25:13,709 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 978 transitions. Word has length 131 [2020-09-21 11:25:13,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:13,710 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 978 transitions. [2020-09-21 11:25:13,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:25:13,710 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 978 transitions. [2020-09-21 11:25:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 11:25:13,716 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:13,716 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:13,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:25:13,717 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:13,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:13,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1456847330, now seen corresponding path program 1 times [2020-09-21 11:25:13,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:13,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724501351] [2020-09-21 11:25:13,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:13,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:25:13,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -16 [2020-09-21 11:25:13,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 16 [2020-09-21 11:25:13,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:13,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 11:25:13,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:13,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:25:13,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:13,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:13,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:25:13,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-21 11:25:13,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:14,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:14,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:14,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:14,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:14,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:14,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:14,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:14,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:14,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:14,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:14,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:14,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:14,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:14,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:14,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:14,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:25:14,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:14,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:14,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:14,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:14,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:14,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:25:14,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:14,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724501351] [2020-09-21 11:25:14,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:14,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:14,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656088524] [2020-09-21 11:25:14,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:14,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:14,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:14,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:14,236 INFO L87 Difference]: Start difference. First operand 697 states and 978 transitions. Second operand 5 states. [2020-09-21 11:25:15,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:15,454 INFO L93 Difference]: Finished difference Result 1493 states and 2137 transitions. [2020-09-21 11:25:15,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:15,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-09-21 11:25:15,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:15,464 INFO L225 Difference]: With dead ends: 1493 [2020-09-21 11:25:15,464 INFO L226 Difference]: Without dead ends: 701 [2020-09-21 11:25:15,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:15,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2020-09-21 11:25:15,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 695. [2020-09-21 11:25:15,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-09-21 11:25:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 890 transitions. [2020-09-21 11:25:15,499 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 890 transitions. Word has length 132 [2020-09-21 11:25:15,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:15,500 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 890 transitions. [2020-09-21 11:25:15,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 890 transitions. [2020-09-21 11:25:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-09-21 11:25:15,506 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:15,506 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:15,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:25:15,507 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:15,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:15,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1679080988, now seen corresponding path program 1 times [2020-09-21 11:25:15,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:15,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485262695] [2020-09-21 11:25:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:15,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:25:15,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -17 [2020-09-21 11:25:15,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 17 [2020-09-21 11:25:15,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:15,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-21 11:25:15,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:15,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:25:15,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:15,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:25:15,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-21 11:25:15,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:15,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:15,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:15,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:15,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:15,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:15,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:15,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:15,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:15,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:15,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:15,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:15,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:15,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:15,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:15,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:15,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:15,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:15,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:25:15,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:15,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:25:15,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:15,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:15,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:15,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:25:15,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:15,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485262695] [2020-09-21 11:25:15,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:15,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 11:25:15,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657372925] [2020-09-21 11:25:15,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:25:15,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:15,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:25:15,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:15,977 INFO L87 Difference]: Start difference. First operand 695 states and 890 transitions. Second operand 6 states. [2020-09-21 11:25:16,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:16,935 INFO L93 Difference]: Finished difference Result 1472 states and 1929 transitions. [2020-09-21 11:25:16,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:16,937 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2020-09-21 11:25:16,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:16,944 INFO L225 Difference]: With dead ends: 1472 [2020-09-21 11:25:16,944 INFO L226 Difference]: Without dead ends: 701 [2020-09-21 11:25:16,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:16,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2020-09-21 11:25:16,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 695. [2020-09-21 11:25:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-09-21 11:25:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 885 transitions. [2020-09-21 11:25:17,002 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 885 transitions. Word has length 133 [2020-09-21 11:25:17,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:17,003 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 885 transitions. [2020-09-21 11:25:17,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:25:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 885 transitions. [2020-09-21 11:25:17,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 11:25:17,009 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:17,010 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:17,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:25:17,011 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:17,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:17,011 INFO L82 PathProgramCache]: Analyzing trace with hash 982548902, now seen corresponding path program 1 times [2020-09-21 11:25:17,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:17,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65155771] [2020-09-21 11:25:17,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:17,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:17,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:17,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:17,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:17,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-21 11:25:17,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:17,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:25:17,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:17,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:17,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-21 11:25:17,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-21 11:25:17,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:17,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:17,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:17,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:17,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:17,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:17,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:17,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:17,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:17,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:17,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:17,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:17,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:17,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:17,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:17,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:17,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:17,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:17,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:25:17,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:17,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:25:17,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:17,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:17,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:25:17,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:17,376 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:17,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65155771] [2020-09-21 11:25:17,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:17,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:17,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749614150] [2020-09-21 11:25:17,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:17,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:17,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:17,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:17,389 INFO L87 Difference]: Start difference. First operand 695 states and 885 transitions. Second operand 5 states. [2020-09-21 11:25:18,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:18,372 INFO L93 Difference]: Finished difference Result 1664 states and 2172 transitions. [2020-09-21 11:25:18,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:18,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-09-21 11:25:18,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:18,381 INFO L225 Difference]: With dead ends: 1664 [2020-09-21 11:25:18,382 INFO L226 Difference]: Without dead ends: 975 [2020-09-21 11:25:18,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:18,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2020-09-21 11:25:18,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 971. [2020-09-21 11:25:18,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2020-09-21 11:25:18,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1230 transitions. [2020-09-21 11:25:18,418 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1230 transitions. Word has length 136 [2020-09-21 11:25:18,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:18,418 INFO L479 AbstractCegarLoop]: Abstraction has 971 states and 1230 transitions. [2020-09-21 11:25:18,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:18,419 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1230 transitions. [2020-09-21 11:25:18,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-21 11:25:18,422 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:18,423 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:18,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:25:18,423 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:18,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:18,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1645328590, now seen corresponding path program 1 times [2020-09-21 11:25:18,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:18,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499307150] [2020-09-21 11:25:18,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:18,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:18,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:18,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:18,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:18,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-09-21 11:25:18,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:18,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:25:18,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-21 11:25:18,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-21 11:25:18,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:18,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:18,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:18,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:18,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:18,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:18,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:18,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:18,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:18,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:18,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:18,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:18,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:18,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:18,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:18,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:18,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:18,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:18,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:18,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:25:18,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:18,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:18,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:18,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:18,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:18,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:25:18,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:18,752 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:18,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499307150] [2020-09-21 11:25:18,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:18,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:18,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127178510] [2020-09-21 11:25:18,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:18,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:18,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:18,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:18,755 INFO L87 Difference]: Start difference. First operand 971 states and 1230 transitions. Second operand 5 states. [2020-09-21 11:25:19,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:19,984 INFO L93 Difference]: Finished difference Result 2353 states and 3007 transitions. [2020-09-21 11:25:19,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:19,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 174 [2020-09-21 11:25:19,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:19,995 INFO L225 Difference]: With dead ends: 2353 [2020-09-21 11:25:19,995 INFO L226 Difference]: Without dead ends: 1388 [2020-09-21 11:25:19,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:20,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2020-09-21 11:25:20,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1249. [2020-09-21 11:25:20,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1249 states. [2020-09-21 11:25:20,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1546 transitions. [2020-09-21 11:25:20,067 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1546 transitions. Word has length 174 [2020-09-21 11:25:20,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:20,069 INFO L479 AbstractCegarLoop]: Abstraction has 1249 states and 1546 transitions. [2020-09-21 11:25:20,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:20,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1546 transitions. [2020-09-21 11:25:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-09-21 11:25:20,079 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:20,080 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:20,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:25:20,080 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:20,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1711453691, now seen corresponding path program 1 times [2020-09-21 11:25:20,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:20,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76956101] [2020-09-21 11:25:20,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:20,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:20,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:20,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:20,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:20,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-21 11:25:20,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:20,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:25:20,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-21 11:25:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:25:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:20,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:20,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:20,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:20,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:20,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:20,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:20,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:20,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:20,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:20,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:20,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:20,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:20,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:20,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:20,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:20,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:20,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:25:20,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:20,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:20,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:20,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:20,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:25:20,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:20,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:25:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:20,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:20,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:20,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:20,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:20,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:25:20,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:20,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:25:20,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:25:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:25:20,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [76956101] [2020-09-21 11:25:20,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:20,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:25:20,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732309501] [2020-09-21 11:25:20,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:25:20,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:20,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:25:20,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:20,532 INFO L87 Difference]: Start difference. First operand 1249 states and 1546 transitions. Second operand 7 states. [2020-09-21 11:25:21,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:21,624 INFO L93 Difference]: Finished difference Result 3334 states and 4166 transitions. [2020-09-21 11:25:21,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:25:21,626 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 197 [2020-09-21 11:25:21,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:21,636 INFO L225 Difference]: With dead ends: 3334 [2020-09-21 11:25:21,636 INFO L226 Difference]: Without dead ends: 2091 [2020-09-21 11:25:21,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:25:21,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2020-09-21 11:25:21,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1950. [2020-09-21 11:25:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2020-09-21 11:25:21,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2414 transitions. [2020-09-21 11:25:21,699 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2414 transitions. Word has length 197 [2020-09-21 11:25:21,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:21,699 INFO L479 AbstractCegarLoop]: Abstraction has 1950 states and 2414 transitions. [2020-09-21 11:25:21,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:25:21,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2414 transitions. [2020-09-21 11:25:21,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-21 11:25:21,706 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:21,706 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-09-21 11:25:21,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:25:21,706 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:21,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:21,707 INFO L82 PathProgramCache]: Analyzing trace with hash -432054101, now seen corresponding path program 1 times [2020-09-21 11:25:21,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:21,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906647417] [2020-09-21 11:25:21,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:21,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:21,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:21,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:21,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:21,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-21 11:25:21,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:21,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:25:21,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:21,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:25:21,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-21 11:25:21,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-09-21 11:25:21,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:21,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:21,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:21,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:21,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:21,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:21,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:21,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:21,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:21,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:21,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:21,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:21,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:21,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:21,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:21,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:21,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:25:21,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:21,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:21,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:25:21,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:21,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:25:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:22,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:22,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:22,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:22,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:22,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:25:22,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:22,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:22,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:22,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:22,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:25:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-21 11:25:22,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906647417] [2020-09-21 11:25:22,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:22,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:22,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819247280] [2020-09-21 11:25:22,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:22,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:22,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:22,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:22,111 INFO L87 Difference]: Start difference. First operand 1950 states and 2414 transitions. Second operand 5 states. [2020-09-21 11:25:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:23,124 INFO L93 Difference]: Finished difference Result 4994 states and 6254 transitions. [2020-09-21 11:25:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:23,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 208 [2020-09-21 11:25:23,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:23,140 INFO L225 Difference]: With dead ends: 4994 [2020-09-21 11:25:23,141 INFO L226 Difference]: Without dead ends: 3050 [2020-09-21 11:25:23,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:23,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2020-09-21 11:25:23,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 2774. [2020-09-21 11:25:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2774 states. [2020-09-21 11:25:23,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3365 transitions. [2020-09-21 11:25:23,237 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3365 transitions. Word has length 208 [2020-09-21 11:25:23,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:23,238 INFO L479 AbstractCegarLoop]: Abstraction has 2774 states and 3365 transitions. [2020-09-21 11:25:23,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:23,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3365 transitions. [2020-09-21 11:25:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-09-21 11:25:23,248 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:23,249 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:23,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:25:23,249 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:23,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:23,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1212365932, now seen corresponding path program 1 times [2020-09-21 11:25:23,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:23,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936202857] [2020-09-21 11:25:23,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:23,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:23,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:23,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:23,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:23,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-21 11:25:23,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:23,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:25:23,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 11:25:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-21 11:25:23,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:23,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:23,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:23,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:23,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:23,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:23,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:23,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:23,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:23,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:23,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:23,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:23,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:23,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:23,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:23,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:23,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:23,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:25:23,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:23,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:23,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:25:23,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:23,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:25:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:23,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:23,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:23,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:23,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:23,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:25:23,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:23,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:25:23,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:23,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-21 11:25:23,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:23,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:25:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:23,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:23,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:23,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:23,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:23,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:25:23,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:23,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:23,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:25:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:23,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 141 proven. 22 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-21 11:25:23,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936202857] [2020-09-21 11:25:23,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:23,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:25:23,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895708970] [2020-09-21 11:25:23,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:25:23,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:23,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:25:23,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:23,700 INFO L87 Difference]: Start difference. First operand 2774 states and 3365 transitions. Second operand 7 states. [2020-09-21 11:25:25,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:25,415 INFO L93 Difference]: Finished difference Result 6245 states and 7588 transitions. [2020-09-21 11:25:25,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:25:25,415 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 236 [2020-09-21 11:25:25,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:25,428 INFO L225 Difference]: With dead ends: 6245 [2020-09-21 11:25:25,428 INFO L226 Difference]: Without dead ends: 2651 [2020-09-21 11:25:25,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:25:25,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2651 states. [2020-09-21 11:25:25,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2651 to 2357. [2020-09-21 11:25:25,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2357 states. [2020-09-21 11:25:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 2357 states and 2732 transitions. [2020-09-21 11:25:25,506 INFO L78 Accepts]: Start accepts. Automaton has 2357 states and 2732 transitions. Word has length 236 [2020-09-21 11:25:25,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:25,507 INFO L479 AbstractCegarLoop]: Abstraction has 2357 states and 2732 transitions. [2020-09-21 11:25:25,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:25:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 2732 transitions. [2020-09-21 11:25:25,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-21 11:25:25,514 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:25,515 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:25,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:25:25,515 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:25,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:25,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1673910556, now seen corresponding path program 1 times [2020-09-21 11:25:25,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:25,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123405758] [2020-09-21 11:25:25,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:25,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:25,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:25,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:25,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:25,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-21 11:25:25,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:25,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:25:25,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:25:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:25:25,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:25,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:25,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:25,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:25,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:25,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:25,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:25,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:25,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:25,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:25,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:25,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:25,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:25,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:25,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:25,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:25,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:25,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:25,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:25,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:25:25,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:25,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:25,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:25,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:25,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:25,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:25,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:25,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:25:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:25,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:25,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:25,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:25,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:25,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:25:25,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:25,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:25,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:25,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:25,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:25,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:25:25,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:25,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:25:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:25,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:25,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:25,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:25,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:25,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:25:25,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:25,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:25:25,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:25:25,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:25,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:25:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:25,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:25,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:25,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:25,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:25,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:25:25,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:25,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:25,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-21 11:25:25,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:25,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:25,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-09-21 11:25:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:25,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:25,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:25,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:25,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:25,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:25:25,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:25,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:25,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:25:25,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:25,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 140 proven. 12 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-09-21 11:25:25,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123405758] [2020-09-21 11:25:25,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:25,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:25:25,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709875152] [2020-09-21 11:25:25,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:25:25,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:25,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:25:25,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:25,890 INFO L87 Difference]: Start difference. First operand 2357 states and 2732 transitions. Second operand 7 states. [2020-09-21 11:25:27,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:27,820 INFO L93 Difference]: Finished difference Result 7622 states and 9283 transitions. [2020-09-21 11:25:27,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:25:27,821 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2020-09-21 11:25:27,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:27,822 INFO L225 Difference]: With dead ends: 7622 [2020-09-21 11:25:27,822 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:25:27,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:25:27,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:25:27,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:25:27,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:25:27,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:25:27,845 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2020-09-21 11:25:27,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:27,845 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:25:27,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:25:27,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:25:27,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:25:27,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:25:27,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:25:31,736 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 147 [2020-09-21 11:25:32,523 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 147 [2020-09-21 11:25:33,361 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 58 [2020-09-21 11:25:33,844 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 36 [2020-09-21 11:25:34,277 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 36 [2020-09-21 11:25:34,281 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:25:34,282 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-09-21 11:25:34,282 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:25:34,282 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-21 11:25:34,283 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-21 11:25:34,283 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,283 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,283 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,283 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,283 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,283 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,283 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-21 11:25:34,284 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-21 11:25:34,284 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-21 11:25:34,284 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-21 11:25:34,284 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-21 11:25:34,284 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 11:25:34,284 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-21 11:25:34,284 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-21 11:25:34,284 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-21 11:25:34,284 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-21 11:25:34,284 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,284 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,285 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,285 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,285 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,285 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,285 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-21 11:25:34,285 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-21 11:25:34,285 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-21 11:25:34,285 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-21 11:25:34,286 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-21 11:25:34,286 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 11:25:34,286 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-21 11:25:34,286 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-21 11:25:34,286 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-21 11:25:34,286 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-21 11:25:34,286 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-21 11:25:34,286 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2020-09-21 11:25:34,286 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-21 11:25:34,287 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-21 11:25:34,287 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-21 11:25:34,287 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-21 11:25:34,287 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,287 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,287 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,287 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,287 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,287 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-21 11:25:34,287 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-21 11:25:34,288 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 11:25:34,288 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-21 11:25:34,288 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-21 11:25:34,288 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-21 11:25:34,288 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-21 11:25:34,288 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-21 11:25:34,288 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-21 11:25:34,288 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,288 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,288 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,289 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,289 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,289 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-21 11:25:34,289 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-21 11:25:34,289 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-21 11:25:34,289 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-21 11:25:34,289 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 11:25:34,289 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-21 11:25:34,290 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-21 11:25:34,290 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-21 11:25:34,290 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-21 11:25:34,290 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-21 11:25:34,290 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-21 11:25:34,290 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-21 11:25:34,290 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-21 11:25:34,290 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,291 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,291 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,291 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,291 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,291 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-21 11:25:34,291 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-21 11:25:34,291 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-21 11:25:34,291 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-21 11:25:34,292 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-21 11:25:34,293 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-21 11:25:34,294 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,294 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,294 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,294 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,294 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,294 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-21 11:25:34,294 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-21 11:25:34,294 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-21 11:25:34,294 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 11:25:34,294 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-21 11:25:34,295 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-21 11:25:34,296 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 11:25:34,296 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 11:25:34,296 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-21 11:25:34,296 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-21 11:25:34,296 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse5 (not (<= |old(~a16~0)| 5))) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse8 (not (= |old(~a17~0)| |old(~a20~0)|))) (.cse6 (= ~a20~0 ~a17~0)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse7 (= ~a8~0 |old(~a8~0)|))) (and (or (and .cse0 .cse1 .cse2 .cse3 (= 14 ~a8~0) .cse4) (not (= 14 |old(~a8~0)|)) .cse5) (or (and .cse1 .cse6 .cse3 .cse4 .cse7 (= ~a21~0 0)) (not (= 0 |old(~a21~0)|)) .cse5 .cse8) (or (and .cse0 .cse1 .cse2 .cse3 .cse7 (= ~a16~0 4)) (not (= 4 |old(~a16~0)|))) (or (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse7)) (or .cse8 (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse7) (not (= |old(~a7~0)| 0))) (or (and .cse1 .cse2 .cse3 .cse4 .cse7 (= ~a17~0 0)) (not (= 0 |old(~a17~0)|))))) [2020-09-21 11:25:34,296 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-21 11:25:34,296 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,296 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,296 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,297 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,297 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-21 11:25:34,297 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,297 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,297 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-21 11:25:34,297 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-21 11:25:34,297 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-21 11:25:34,297 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-21 11:25:34,297 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-21 11:25:34,297 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 11:25:34,298 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 11:25:34,298 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-21 11:25:34,298 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-21 11:25:34,298 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-21 11:25:34,298 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-21 11:25:34,298 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-21 11:25:34,298 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,298 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,298 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,299 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,299 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,299 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-21 11:25:34,299 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,299 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-21 11:25:34,299 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-21 11:25:34,299 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 11:25:34,299 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-21 11:25:34,299 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-21 11:25:34,300 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 11:25:34,300 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-21 11:25:34,300 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-21 11:25:34,300 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-21 11:25:34,300 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-21 11:25:34,300 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-21 11:25:34,300 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-21 11:25:34,300 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-21 11:25:34,300 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-21 11:25:34,301 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,301 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,301 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,301 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,301 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,301 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:34,301 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-21 11:25:34,301 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-21 11:25:34,301 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-21 11:25:34,302 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 11:25:34,302 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 11:25:34,302 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-21 11:25:34,302 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 11:25:34,302 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-21 11:25:34,302 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-21 11:25:34,302 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-21 11:25:34,302 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:25:34,303 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a20~0 ~a17~0) (<= ~a16~0 5) (= ~a7~0 0) (<= 15 ~a8~0)) [2020-09-21 11:25:34,303 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:25:34,303 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:25:34,303 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= |old(~a16~0)| 5)) (not (= |old(~a17~0)| |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a20~0 ~a17~0) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a7~0)| 0))) [2020-09-21 11:25:34,303 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-21 11:25:34,303 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (= ~a20~0 ~a17~0)) (.cse0 (<= ~a16~0 5))) (or (and .cse0 (= 14 ~a8~0)) (and .cse1 (= ~a7~0 0)) (not (<= |old(~a16~0)| 5)) (not (= |old(~a17~0)| |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse1 .cse0 (= ~a21~0 0)) (= ~a16~0 4) (<= 15 ~a8~0) (not (= |old(~a7~0)| 0)) (= ~a17~0 0))) [2020-09-21 11:25:34,304 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-21 11:25:34,304 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-21 11:25:34,304 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (= ~a20~0 ~a17~0)) (.cse0 (<= ~a16~0 5))) (or (and .cse0 (= 14 ~a8~0)) (and .cse1 (= ~a7~0 0)) (not (<= |old(~a16~0)| 5)) (not (= |old(~a17~0)| |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse1 .cse0 (= ~a21~0 0)) (= ~a16~0 4) (<= 15 ~a8~0) (not (= |old(~a7~0)| 0)) (= ~a17~0 0))) [2020-09-21 11:25:34,304 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-21 11:25:34,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:25:34 BoogieIcfgContainer [2020-09-21 11:25:34,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:25:34,337 INFO L168 Benchmark]: Toolchain (without parser) took 28246.32 ms. Allocated memory was 138.9 MB in the beginning and 595.1 MB in the end (delta: 456.1 MB). Free memory was 100.0 MB in the beginning and 359.9 MB in the end (delta: -259.8 MB). Peak memory consumption was 434.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:34,338 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:25:34,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 850.33 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 99.4 MB in the beginning and 170.3 MB in the end (delta: -70.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:34,342 INFO L168 Benchmark]: Boogie Preprocessor took 134.22 ms. Allocated memory is still 204.5 MB. Free memory was 170.3 MB in the beginning and 165.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:34,346 INFO L168 Benchmark]: RCFGBuilder took 1286.06 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 165.3 MB in the beginning and 178.7 MB in the end (delta: -13.4 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:34,347 INFO L168 Benchmark]: TraceAbstraction took 25963.45 ms. Allocated memory was 236.5 MB in the beginning and 595.1 MB in the end (delta: 358.6 MB). Free memory was 178.7 MB in the beginning and 359.9 MB in the end (delta: -181.2 MB). Peak memory consumption was 415.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:34,357 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 850.33 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 99.4 MB in the beginning and 170.3 MB in the end (delta: -70.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.22 ms. Allocated memory is still 204.5 MB. Free memory was 170.3 MB in the beginning and 165.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1286.06 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 165.3 MB in the beginning and 178.7 MB in the end (delta: -13.4 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25963.45 ms. Allocated memory was 236.5 MB in the beginning and 595.1 MB in the end (delta: 358.6 MB). Free memory was 178.7 MB in the beginning and 359.9 MB in the end (delta: -181.2 MB). Peak memory consumption was 415.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((a16 <= 5 && 14 == a8) || (a20 == a17 && a7 == 0)) || !(\old(a16) <= 5)) || !(\old(a17) == \old(a20))) || !(15 <= \old(a8))) || ((a20 == a17 && a16 <= 5) && a21 == 0)) || a16 == 4) || 15 <= a8) || !(\old(a7) == 0)) || a17 == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.3s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 3252 SDslu, 298 SDs, 0 SdLazy, 7735 SolverSat, 1037 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 75 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2774occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 894 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 168 PreInvPairs, 320 NumberOfFragments, 369 HoareAnnotationTreeSize, 168 FomulaSimplifications, 1108303 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 21378 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1713 NumberOfCodeBlocks, 1713 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1703 ConstructedInterpolants, 0 QuantifiedInterpolants, 1251005 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 668/710 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...