/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:30:23,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:30:23,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:30:23,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:30:23,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:30:23,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:30:23,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:30:23,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:30:23,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:30:23,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:30:23,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:30:23,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:30:23,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:30:23,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:30:23,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:30:23,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:30:23,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:30:23,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:30:23,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:30:23,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:30:23,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:30:23,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:30:23,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:30:23,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:30:23,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:30:23,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:30:23,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:30:23,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:30:23,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:30:23,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-09-21 12:30:23,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:30:23,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:30:23,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:30:23,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:30:23,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:30:23,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:30:23,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:30:23,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:30:23,609 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:30:23,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:30:23,610 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:30:23,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:30:23,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:30:23,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:30:23,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:30:23,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:30:23,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:30:23,612 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:30:23,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:30:23,613 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:30:23,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:30:23,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:30:23,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:30:23,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:30:23,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:30:23,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:30:23,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:30:23,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:30:23,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:30:23,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:30:23,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:30:23,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:30:23,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:30:23,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:30:24,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:30:24,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:30:24,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:30:24,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:30:24,076 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:30:24,078 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-09-21 12:30:24,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f266b5898/c14bb1a5c36b49cbb8d9cf87567b248b/FLAGe57984fcf [2020-09-21 12:30:24,817 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:30:24,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-09-21 12:30:24,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f266b5898/c14bb1a5c36b49cbb8d9cf87567b248b/FLAGe57984fcf [2020-09-21 12:30:25,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f266b5898/c14bb1a5c36b49cbb8d9cf87567b248b [2020-09-21 12:30:25,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:30:25,092 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:30:25,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:30:25,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:30:25,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:30:25,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:30:25" (1/1) ... [2020-09-21 12:30:25,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790fb128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:25, skipping insertion in model container [2020-09-21 12:30:25,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:30:25" (1/1) ... [2020-09-21 12:30:25,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:30:25,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:30:25,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:30:25,722 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:30:25,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:30:25,958 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:30:25,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:25 WrapperNode [2020-09-21 12:30:25,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:30:25,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:30:25,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:30:25,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:30:25,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:25" (1/1) ... [2020-09-21 12:30:25,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:25" (1/1) ... [2020-09-21 12:30:25,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:25" (1/1) ... [2020-09-21 12:30:25,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:25" (1/1) ... [2020-09-21 12:30:26,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:25" (1/1) ... [2020-09-21 12:30:26,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:25" (1/1) ... [2020-09-21 12:30:26,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:25" (1/1) ... [2020-09-21 12:30:26,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:30:26,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:30:26,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:30:26,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:30:26,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:30:26,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:30:26,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:30:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:30:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:30:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:30:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:30:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:30:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:30:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:30:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:30:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:30:27,442 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:30:27,443 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:30:27,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:30:27 BoogieIcfgContainer [2020-09-21 12:30:27,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:30:27,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:30:27,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:30:27,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:30:27,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:30:25" (1/3) ... [2020-09-21 12:30:27,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608ae25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:30:27, skipping insertion in model container [2020-09-21 12:30:27,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:25" (2/3) ... [2020-09-21 12:30:27,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608ae25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:30:27, skipping insertion in model container [2020-09-21 12:30:27,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:30:27" (3/3) ... [2020-09-21 12:30:27,461 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label48.c [2020-09-21 12:30:27,473 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:30:27,487 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:30:27,510 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:30:27,544 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:30:27,544 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:30:27,544 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:30:27,544 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:30:27,544 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:30:27,545 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:30:27,545 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:30:27,545 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:30:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 12:30:27,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-21 12:30:27,591 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:27,593 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:27,594 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:27,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:27,603 INFO L82 PathProgramCache]: Analyzing trace with hash 231210793, now seen corresponding path program 1 times [2020-09-21 12:30:27,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:27,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [696529342] [2020-09-21 12:30:27,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:28,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:28,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:28,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:28,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-21 12:30:28,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:30:28,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:30:28,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:30:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:30:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-09-21 12:30:28,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:30:29,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:29,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:29,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:29,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:29,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:29,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:30:29,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:29,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:29,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:29,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:30:29,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:29,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:29,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [696529342] [2020-09-21 12:30:29,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:30:29,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:30:29,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574303570] [2020-09-21 12:30:29,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:30:29,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:29,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:30:29,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:30:29,282 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-09-21 12:30:31,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:31,153 INFO L93 Difference]: Finished difference Result 662 states and 1113 transitions. [2020-09-21 12:30:31,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:31,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-21 12:30:31,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:31,179 INFO L225 Difference]: With dead ends: 662 [2020-09-21 12:30:31,179 INFO L226 Difference]: Without dead ends: 341 [2020-09-21 12:30:31,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:31,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-09-21 12:30:31,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337. [2020-09-21 12:30:31,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-09-21 12:30:31,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 488 transitions. [2020-09-21 12:30:31,277 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 488 transitions. Word has length 143 [2020-09-21 12:30:31,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:31,278 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 488 transitions. [2020-09-21 12:30:31,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:30:31,278 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 488 transitions. [2020-09-21 12:30:31,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-21 12:30:31,284 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:31,285 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:31,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:30:31,285 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:31,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:31,286 INFO L82 PathProgramCache]: Analyzing trace with hash 703690926, now seen corresponding path program 1 times [2020-09-21 12:30:31,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:31,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487519083] [2020-09-21 12:30:31,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:31,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:31,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:32,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:32,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:32,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 12:30:32,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:32,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1040 [2020-09-21 12:30:32,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:32,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:32,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:30:32,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-09-21 12:30:32,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:32,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:32,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:32,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:32,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:32,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:32,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:30:32,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:32,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:32,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:32,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:32,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:32,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:32,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:32,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:30:32,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:32,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:32,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:32,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:30:32,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:32,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487519083] [2020-09-21 12:30:32,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:32,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:30:32,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506689538] [2020-09-21 12:30:32,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:32,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:32,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:32,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:32,665 INFO L87 Difference]: Start difference. First operand 337 states and 488 transitions. Second operand 5 states. [2020-09-21 12:30:34,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:34,245 INFO L93 Difference]: Finished difference Result 987 states and 1468 transitions. [2020-09-21 12:30:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:34,247 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2020-09-21 12:30:34,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:34,256 INFO L225 Difference]: With dead ends: 987 [2020-09-21 12:30:34,257 INFO L226 Difference]: Without dead ends: 656 [2020-09-21 12:30:34,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:30:34,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-09-21 12:30:34,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 639. [2020-09-21 12:30:34,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-09-21 12:30:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 892 transitions. [2020-09-21 12:30:34,310 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 892 transitions. Word has length 151 [2020-09-21 12:30:34,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:34,310 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 892 transitions. [2020-09-21 12:30:34,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:34,311 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 892 transitions. [2020-09-21 12:30:34,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-21 12:30:34,319 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:34,319 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:34,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:30:34,320 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:34,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:34,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1665282438, now seen corresponding path program 1 times [2020-09-21 12:30:34,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:34,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389081063] [2020-09-21 12:30:34,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:34,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:34,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:35,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:35,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-09-21 12:30:35,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:30:35,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:30:35,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 12:30:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 12:30:35,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:35,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:35,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:35,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:35,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:35,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:30:35,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:35,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:35,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:35,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:35,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:35,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:35,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:35,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:35,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:30:35,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:35,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:30:35,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 12:30:35,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:35,728 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:35,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389081063] [2020-09-21 12:30:35,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:35,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:30:35,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009845082] [2020-09-21 12:30:35,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:35,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:35,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:35,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:35,732 INFO L87 Difference]: Start difference. First operand 639 states and 892 transitions. Second operand 5 states. [2020-09-21 12:30:37,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:37,152 INFO L93 Difference]: Finished difference Result 1363 states and 1967 transitions. [2020-09-21 12:30:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:37,153 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-09-21 12:30:37,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:37,158 INFO L225 Difference]: With dead ends: 1363 [2020-09-21 12:30:37,159 INFO L226 Difference]: Without dead ends: 647 [2020-09-21 12:30:37,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:30:37,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2020-09-21 12:30:37,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 639. [2020-09-21 12:30:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-09-21 12:30:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 884 transitions. [2020-09-21 12:30:37,195 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 884 transitions. Word has length 157 [2020-09-21 12:30:37,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:37,195 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 884 transitions. [2020-09-21 12:30:37,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:37,196 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 884 transitions. [2020-09-21 12:30:37,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-21 12:30:37,199 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:37,199 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:37,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:30:37,200 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:37,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:37,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1419009733, now seen corresponding path program 1 times [2020-09-21 12:30:37,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:37,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1647951046] [2020-09-21 12:30:37,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:37,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:37,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:37,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:38,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:38,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-09-21 12:30:38,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:38,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:30:38,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:38,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:38,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:30:38,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 12:30:38,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:38,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:38,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:38,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:38,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:38,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:38,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:30:38,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:38,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:38,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:38,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:38,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:38,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:38,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:38,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:38,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:38,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:38,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:30:38,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:38,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:38,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:38,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:30:38,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:38,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:30:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:38,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:38,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:38,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:30:38,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:38,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:30:38,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:38,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:38,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:38,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:30:38,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:38,460 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:30:38,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1647951046] [2020-09-21 12:30:38,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:38,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:38,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037241226] [2020-09-21 12:30:38,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:38,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:38,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:38,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:38,463 INFO L87 Difference]: Start difference. First operand 639 states and 884 transitions. Second operand 7 states. [2020-09-21 12:30:41,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:41,199 INFO L93 Difference]: Finished difference Result 2276 states and 3599 transitions. [2020-09-21 12:30:41,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:30:41,200 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 163 [2020-09-21 12:30:41,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:41,214 INFO L225 Difference]: With dead ends: 2276 [2020-09-21 12:30:41,215 INFO L226 Difference]: Without dead ends: 1643 [2020-09-21 12:30:41,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:30:41,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1643 states. [2020-09-21 12:30:41,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1643 to 1547. [2020-09-21 12:30:41,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1547 states. [2020-09-21 12:30:41,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2004 transitions. [2020-09-21 12:30:41,300 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2004 transitions. Word has length 163 [2020-09-21 12:30:41,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:41,300 INFO L479 AbstractCegarLoop]: Abstraction has 1547 states and 2004 transitions. [2020-09-21 12:30:41,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2004 transitions. [2020-09-21 12:30:41,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-21 12:30:41,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:41,308 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:41,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:30:41,309 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:41,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:41,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1117544721, now seen corresponding path program 1 times [2020-09-21 12:30:41,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:41,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020287693] [2020-09-21 12:30:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:41,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:41,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:42,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:42,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-09-21 12:30:42,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:30:42,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:30:42,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-21 12:30:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-21 12:30:42,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:42,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:42,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:42,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:42,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:42,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:42,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:42,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:42,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:42,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:42,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:42,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:42,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:30:42,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:42,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 12:30:42,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:30:42,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:42,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020287693] [2020-09-21 12:30:42,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:42,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:30:42,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129822101] [2020-09-21 12:30:42,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:30:42,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:42,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:30:42,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:30:42,850 INFO L87 Difference]: Start difference. First operand 1547 states and 2004 transitions. Second operand 6 states. [2020-09-21 12:30:44,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:44,539 INFO L93 Difference]: Finished difference Result 2891 states and 3813 transitions. [2020-09-21 12:30:44,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:44,540 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2020-09-21 12:30:44,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:44,549 INFO L225 Difference]: With dead ends: 2891 [2020-09-21 12:30:44,549 INFO L226 Difference]: Without dead ends: 1553 [2020-09-21 12:30:44,554 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 12:30:44,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2020-09-21 12:30:44,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1547. [2020-09-21 12:30:44,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1547 states. [2020-09-21 12:30:44,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 1998 transitions. [2020-09-21 12:30:44,622 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 1998 transitions. Word has length 165 [2020-09-21 12:30:44,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:44,624 INFO L479 AbstractCegarLoop]: Abstraction has 1547 states and 1998 transitions. [2020-09-21 12:30:44,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:30:44,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1998 transitions. [2020-09-21 12:30:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-21 12:30:44,632 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:44,633 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:44,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:30:44,633 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:44,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:44,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1026024771, now seen corresponding path program 1 times [2020-09-21 12:30:44,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:44,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894653530] [2020-09-21 12:30:44,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:44,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:44,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:45,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:45,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:45,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-21 12:30:45,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:45,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1025 [2020-09-21 12:30:45,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:45,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:45,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:30:45,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 12:30:45,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:45,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:45,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:45,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:45,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:45,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:45,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:30:45,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:45,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:45,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:45,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:45,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:45,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:45,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:45,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:45,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:45,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:45,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:30:45,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:45,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:30:45,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:45,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:30:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:45,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:45,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:45,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:30:45,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:45,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 12:30:45,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:30:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:30:45,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894653530] [2020-09-21 12:30:45,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:45,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:45,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709002792] [2020-09-21 12:30:45,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:45,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:45,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:45,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:45,977 INFO L87 Difference]: Start difference. First operand 1547 states and 1998 transitions. Second operand 7 states. [2020-09-21 12:30:48,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:48,293 INFO L93 Difference]: Finished difference Result 3367 states and 4354 transitions. [2020-09-21 12:30:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:30:48,294 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-09-21 12:30:48,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:48,306 INFO L225 Difference]: With dead ends: 3367 [2020-09-21 12:30:48,306 INFO L226 Difference]: Without dead ends: 2118 [2020-09-21 12:30:48,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:30:48,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2020-09-21 12:30:48,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 1966. [2020-09-21 12:30:48,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2020-09-21 12:30:48,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 2417 transitions. [2020-09-21 12:30:48,383 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 2417 transitions. Word has length 167 [2020-09-21 12:30:48,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:48,384 INFO L479 AbstractCegarLoop]: Abstraction has 1966 states and 2417 transitions. [2020-09-21 12:30:48,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:48,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2417 transitions. [2020-09-21 12:30:48,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-21 12:30:48,392 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:48,392 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:48,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:30:48,393 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:48,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:48,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1685113565, now seen corresponding path program 1 times [2020-09-21 12:30:48,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:48,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123335999] [2020-09-21 12:30:48,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:48,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:48,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:49,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:49,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:49,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-21 12:30:49,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:49,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1021 [2020-09-21 12:30:49,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:49,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:49,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 12:30:49,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-09-21 12:30:49,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:49,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:49,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:49,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:49,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:49,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:49,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:30:49,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:49,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:49,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:49,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:49,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:49,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 12:30:49,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:49,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 12:30:49,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 12:30:49,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:49,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123335999] [2020-09-21 12:30:49,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:49,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:30:49,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199084899] [2020-09-21 12:30:49,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:49,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:49,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:49,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:49,675 INFO L87 Difference]: Start difference. First operand 1966 states and 2417 transitions. Second operand 5 states. [2020-09-21 12:30:50,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:50,923 INFO L93 Difference]: Finished difference Result 4520 states and 5670 transitions. [2020-09-21 12:30:50,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:50,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171 [2020-09-21 12:30:50,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:50,936 INFO L225 Difference]: With dead ends: 4520 [2020-09-21 12:30:50,936 INFO L226 Difference]: Without dead ends: 2564 [2020-09-21 12:30:50,942 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 12:30:50,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2020-09-21 12:30:51,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2552. [2020-09-21 12:30:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2552 states. [2020-09-21 12:30:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2552 states and 2990 transitions. [2020-09-21 12:30:51,016 INFO L78 Accepts]: Start accepts. Automaton has 2552 states and 2990 transitions. Word has length 171 [2020-09-21 12:30:51,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:51,017 INFO L479 AbstractCegarLoop]: Abstraction has 2552 states and 2990 transitions. [2020-09-21 12:30:51,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:51,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2552 states and 2990 transitions. [2020-09-21 12:30:51,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-21 12:30:51,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:51,027 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:51,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:30:51,027 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:51,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:51,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1035582093, now seen corresponding path program 1 times [2020-09-21 12:30:51,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:51,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535347878] [2020-09-21 12:30:51,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:51,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:51,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:52,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:52,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-21 12:30:52,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:30:52,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1035 [2020-09-21 12:30:52,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 12:30:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 12:30:52,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:52,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:52,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:52,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:52,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:52,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:52,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:52,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:52,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:52,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:52,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:52,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:52,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:52,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:52,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:52,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:30:52,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:52,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 12:30:52,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:30:52,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:52,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:30:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:52,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:52,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:52,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:30:52,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:52,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-09-21 12:30:52,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:52,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:52,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:52,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 12:30:52,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:30:52,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535347878] [2020-09-21 12:30:52,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:52,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:52,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025339800] [2020-09-21 12:30:52,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:52,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:52,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:52,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:52,544 INFO L87 Difference]: Start difference. First operand 2552 states and 2990 transitions. Second operand 7 states. [2020-09-21 12:30:54,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:54,191 INFO L93 Difference]: Finished difference Result 6624 states and 8123 transitions. [2020-09-21 12:30:54,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:30:54,191 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2020-09-21 12:30:54,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:54,210 INFO L225 Difference]: With dead ends: 6624 [2020-09-21 12:30:54,211 INFO L226 Difference]: Without dead ends: 3782 [2020-09-21 12:30:54,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:30:54,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3782 states. [2020-09-21 12:30:54,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3782 to 3580. [2020-09-21 12:30:54,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3580 states. [2020-09-21 12:30:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3580 states and 4194 transitions. [2020-09-21 12:30:54,321 INFO L78 Accepts]: Start accepts. Automaton has 3580 states and 4194 transitions. Word has length 222 [2020-09-21 12:30:54,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:54,322 INFO L479 AbstractCegarLoop]: Abstraction has 3580 states and 4194 transitions. [2020-09-21 12:30:54,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:54,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3580 states and 4194 transitions. [2020-09-21 12:30:54,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-09-21 12:30:54,336 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:54,336 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:54,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:30:54,337 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:54,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:54,337 INFO L82 PathProgramCache]: Analyzing trace with hash -597594185, now seen corresponding path program 1 times [2020-09-21 12:30:54,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:54,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259487519] [2020-09-21 12:30:54,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:54,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:54,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:54,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:55,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:55,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-09-21 12:30:55,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:55,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-09-21 12:30:55,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:55,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:55,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-21 12:30:55,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 12:30:55,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:55,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:55,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:55,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:55,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:55,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:55,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:55,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:55,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:55,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:55,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:55,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:55,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:55,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:55,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:55,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:30:55,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:55,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:55,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:55,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:55,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:30:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:55,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:55,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:55,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 12:30:55,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:55,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 12:30:55,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:55,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 12:30:55,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:55,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 12:30:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:55,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:55,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:55,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:30:55,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:55,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-21 12:30:55,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:55,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:55,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:55,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 12:30:55,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:55,957 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 148 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-21 12:30:55,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259487519] [2020-09-21 12:30:55,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:55,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 12:30:55,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522509129] [2020-09-21 12:30:55,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:30:55,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:55,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:30:55,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:30:55,965 INFO L87 Difference]: Start difference. First operand 3580 states and 4194 transitions. Second operand 8 states. [2020-09-21 12:30:57,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:57,912 INFO L93 Difference]: Finished difference Result 7629 states and 8984 transitions. [2020-09-21 12:30:57,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:30:57,913 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 258 [2020-09-21 12:30:57,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:57,936 INFO L225 Difference]: With dead ends: 7629 [2020-09-21 12:30:57,936 INFO L226 Difference]: Without dead ends: 4059 [2020-09-21 12:30:57,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:30:57,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4059 states. [2020-09-21 12:30:58,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4059 to 3901. [2020-09-21 12:30:58,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3901 states. [2020-09-21 12:30:58,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3901 states to 3901 states and 4575 transitions. [2020-09-21 12:30:58,094 INFO L78 Accepts]: Start accepts. Automaton has 3901 states and 4575 transitions. Word has length 258 [2020-09-21 12:30:58,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:58,095 INFO L479 AbstractCegarLoop]: Abstraction has 3901 states and 4575 transitions. [2020-09-21 12:30:58,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:30:58,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3901 states and 4575 transitions. [2020-09-21 12:30:58,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-09-21 12:30:58,111 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:58,111 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:30:58,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:30:58,112 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:58,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:58,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1036970585, now seen corresponding path program 1 times [2020-09-21 12:30:58,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:58,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386276322] [2020-09-21 12:30:58,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:58,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:58,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:58,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:58,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:59,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:59,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-09-21 12:30:59,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:30:59,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-09-21 12:30:59,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:59,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:59,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 12:30:59,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:30:59,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:59,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:59,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:59,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:59,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:59,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:59,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:30:59,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:59,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:59,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:59,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:59,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:59,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:59,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:59,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:59,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:30:59,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:59,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:30:59,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:30:59,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:59,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:30:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:59,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:59,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:59,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:30:59,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:59,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 12:30:59,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:59,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:59,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 12:30:59,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:59,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-21 12:30:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:59,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:59,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:59,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:30:59,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:59,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:30:59,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 12:30:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:59,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:59,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 12:30:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:59,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:59,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:59,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:30:59,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:59,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:30:59,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:59,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:59,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:30:59,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:59,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:59,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 12:30:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:59,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:59,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:59,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:30:59,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:59,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 12:30:59,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:59,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:59,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-21 12:30:59,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:59,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-09-21 12:30:59,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386276322] [2020-09-21 12:30:59,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:59,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:59,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100296454] [2020-09-21 12:30:59,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:59,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:59,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:59,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:59,573 INFO L87 Difference]: Start difference. First operand 3901 states and 4575 transitions. Second operand 7 states. [2020-09-21 12:31:01,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:01,362 INFO L93 Difference]: Finished difference Result 8360 states and 9874 transitions. [2020-09-21 12:31:01,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:31:01,362 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 263 [2020-09-21 12:31:01,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:01,381 INFO L225 Difference]: With dead ends: 8360 [2020-09-21 12:31:01,381 INFO L226 Difference]: Without dead ends: 4321 [2020-09-21 12:31:01,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:31:01,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4321 states. [2020-09-21 12:31:01,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4321 to 2732. [2020-09-21 12:31:01,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2732 states. [2020-09-21 12:31:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2732 states and 3021 transitions. [2020-09-21 12:31:01,472 INFO L78 Accepts]: Start accepts. Automaton has 2732 states and 3021 transitions. Word has length 263 [2020-09-21 12:31:01,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:01,473 INFO L479 AbstractCegarLoop]: Abstraction has 2732 states and 3021 transitions. [2020-09-21 12:31:01,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:31:01,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3021 transitions. [2020-09-21 12:31:01,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-09-21 12:31:01,483 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:31:01,484 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:31:01,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:31:01,484 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:31:01,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:31:01,485 INFO L82 PathProgramCache]: Analyzing trace with hash 382076723, now seen corresponding path program 1 times [2020-09-21 12:31:01,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:31:01,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862302912] [2020-09-21 12:31:01,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:31:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:01,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:01,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:02,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:02,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:02,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-09-21 12:31:02,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:31:02,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1129 [2020-09-21 12:31:02,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 12:31:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 12:31:02,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:02,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:31:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:02,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:02,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:02,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:31:02,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:02,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:31:02,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:02,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:02,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:02,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:02,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:02,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:31:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:02,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:02,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:02,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:31:02,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:02,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:31:02,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:31:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:31:02,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:31:02,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:02,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:31:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:02,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:02,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:02,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 12:31:02,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:02,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 12:31:02,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:02,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:31:02,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:31:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:31:02,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:02,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 12:31:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:02,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:02,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:02,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 12:31:02,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:02,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 12:31:02,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:02,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:02,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:31:02,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:02,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:02,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 12:31:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:31:02,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:31:02,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:31:02,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:31:02,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:31:02,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 12:31:02,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:31:02,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:31:02,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-21 12:31:02,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:31:02,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:31:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 130 proven. 47 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-21 12:31:03,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862302912] [2020-09-21 12:31:03,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:31:03,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:31:03,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188910686] [2020-09-21 12:31:03,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:31:03,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:31:03,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:31:03,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:31:03,089 INFO L87 Difference]: Start difference. First operand 2732 states and 3021 transitions. Second operand 7 states. [2020-09-21 12:31:04,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:31:04,582 INFO L93 Difference]: Finished difference Result 5604 states and 6210 transitions. [2020-09-21 12:31:04,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:31:04,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 273 [2020-09-21 12:31:04,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:31:04,583 INFO L225 Difference]: With dead ends: 5604 [2020-09-21 12:31:04,583 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:31:04,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:31:04,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:31:04,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:31:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:31:04,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:31:04,594 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2020-09-21 12:31:04,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:31:04,594 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:31:04,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:31:04,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:31:04,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:31:04,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 12:31:04,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:31:05,373 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-09-21 12:31:06,546 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 167 [2020-09-21 12:31:07,140 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 167 [2020-09-21 12:31:08,086 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2020-09-21 12:31:08,729 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 59 [2020-09-21 12:31:09,350 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 59 [2020-09-21 12:31:09,354 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:31:09,355 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-21 12:31:09,355 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:31:09,355 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,356 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,356 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,356 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,356 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,356 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 12:31:09,356 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 12:31:09,356 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 12:31:09,356 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 12:31:09,356 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 12:31:09,357 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 12:31:09,357 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 12:31:09,357 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 12:31:09,357 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 12:31:09,357 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:31:09,357 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:31:09,357 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:31:09,358 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 12:31:09,358 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,358 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,358 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,358 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,358 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 12:31:09,358 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,358 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 12:31:09,358 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 12:31:09,358 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 12:31:09,359 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 12:31:09,359 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 12:31:09,359 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 12:31:09,359 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 12:31:09,359 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:31:09,359 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:31:09,359 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 12:31:09,359 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 12:31:09,360 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 12:31:09,360 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:31:09,360 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:31:09,360 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 12:31:09,360 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,360 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,360 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,360 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,361 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,361 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 583) no Hoare annotation was computed. [2020-09-21 12:31:09,361 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:31:09,361 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 12:31:09,361 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:31:09,361 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 12:31:09,361 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 12:31:09,362 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 12:31:09,362 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 12:31:09,362 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 12:31:09,362 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 12:31:09,362 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 12:31:09,362 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 12:31:09,362 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,362 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,363 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,363 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,363 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,363 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 12:31:09,363 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 12:31:09,363 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 12:31:09,363 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 12:31:09,363 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 12:31:09,363 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 12:31:09,364 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 12:31:09,364 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 12:31:09,364 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 12:31:09,364 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 12:31:09,364 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 12:31:09,364 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 12:31:09,364 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 12:31:09,364 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,364 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,365 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,365 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,365 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,365 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 12:31:09,365 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 12:31:09,365 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 12:31:09,365 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 12:31:09,365 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 12:31:09,366 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 12:31:09,366 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 12:31:09,366 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 12:31:09,366 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 12:31:09,366 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 12:31:09,366 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 12:31:09,366 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 12:31:09,366 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 12:31:09,367 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:31:09,367 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 12:31:09,367 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:31:09,367 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,367 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,367 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,367 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,367 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 12:31:09,368 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,368 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:31:09,368 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,368 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:31:09,368 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:31:09,368 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:31:09,368 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,368 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,369 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 12:31:09,369 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 12:31:09,369 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 12:31:09,369 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 12:31:09,369 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 12:31:09,369 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 12:31:09,369 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 12:31:09,370 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 12:31:09,370 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 12:31:09,370 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 12:31:09,370 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 12:31:09,370 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,370 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,370 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,370 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,371 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,371 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,371 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 12:31:09,371 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 12:31:09,371 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 12:31:09,371 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 12:31:09,371 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 12:31:09,371 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 12:31:09,371 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 12:31:09,372 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 12:31:09,372 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 12:31:09,372 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 12:31:09,372 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 12:31:09,372 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,372 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,372 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,372 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,373 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,373 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,373 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 12:31:09,373 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 12:31:09,373 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 12:31:09,373 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 12:31:09,373 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 12:31:09,373 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 12:31:09,373 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 12:31:09,374 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 12:31:09,374 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 12:31:09,374 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 12:31:09,374 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 12:31:09,374 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 12:31:09,374 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 12:31:09,374 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 12:31:09,374 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,374 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,375 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,375 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse5 (and .cse7 .cse1 .cse2 .cse3 .cse4)) (.cse6 (not (<= |old(~a19~0)| 1))) (.cse0 (not (<= |old(~a11~0)| 1))) (.cse8 (not (<= 1 |old(~a19~0)|))) (.cse10 (not (= 10 |old(~a28~0)|))) (.cse9 (= ~a28~0 10))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= ~a28~0 9) .cse4) (not (= 9 |old(~a28~0)|))) (or .cse5 (not (<= |old(~a11~0)| 0))) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse5) (or .cse6 (not (= |old(~a25~0)| 1)) (and .cse7 .cse1 .cse2 (= ~a25~0 1) .cse4) .cse0 (not (<= |old(~a28~0)| 10)) .cse8) (or .cse6 (and .cse1 .cse2 .cse3 .cse4 .cse9) .cse10 .cse0 .cse8) (or .cse10 (not (= 7 |old(~a17~0)|)) (and (= 7 ~a17~0) .cse2 .cse3 .cse4 .cse9) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (not (<= |old(~a19~0)| 0)) (not (= |old(~a11~0)| 1)))))) [2020-09-21 12:31:09,375 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,375 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,375 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,376 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 12:31:09,376 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 12:31:09,376 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 12:31:09,376 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 12:31:09,376 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 12:31:09,376 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 12:31:09,376 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 12:31:09,376 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 12:31:09,377 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 12:31:09,377 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 12:31:09,377 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 12:31:09,377 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 12:31:09,377 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 12:31:09,377 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,377 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,377 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,377 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,378 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,378 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,378 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 12:31:09,378 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 12:31:09,378 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 12:31:09,378 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 12:31:09,378 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 12:31:09,378 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 12:31:09,378 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 12:31:09,379 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 12:31:09,379 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 12:31:09,379 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 12:31:09,379 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 12:31:09,379 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:31:09,379 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:31:09,379 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 12:31:09,379 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 12:31:09,380 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 12:31:09,380 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,380 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,380 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,380 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,380 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:31:09,380 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 12:31:09,380 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 12:31:09,380 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 12:31:09,381 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 12:31:09,381 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 12:31:09,381 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 12:31:09,381 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 12:31:09,381 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 12:31:09,381 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 12:31:09,381 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 12:31:09,381 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 12:31:09,382 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:31:09,382 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 12:31:09,382 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:31:09,382 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 12:31:09,382 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:31:09,382 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:31:09,382 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 12:31:09,382 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 12:31:09,382 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:31:09,383 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (<= ~a19~0 1) (<= ~a28~0 7) (<= 1 ~a19~0)) [2020-09-21 12:31:09,383 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:31:09,383 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:31:09,383 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= 1 |old(~a19~0)|)) (not (<= |old(~a11~0)| 0))) [2020-09-21 12:31:09,383 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (<= ~a28~0 7)) (.cse8 (<= ~a11~0 0)) (.cse2 (<= ~a11~0 1)) (.cse9 (= ~a25~0 1)) (.cse5 (<= ~a19~0 1)) (.cse3 (or (not (= |old(~a25~0)| 1)) (= 11 |old(~a28~0)|))) (.cse6 (<= 1 ~a19~0)) (.cse0 (= ~a21~0 1)) (.cse1 (= ~a11~0 1)) (.cse7 (= ~a28~0 10))) (or (and (= ~a25~0 0) .cse0 (= ~a17~0 8) (not (= ~a19~0 1)) (= 7 ~a28~0) .cse1) (and .cse2 .cse3 .cse4) (not (<= |old(~a19~0)| 1)) (not (<= |old(~a28~0)| 7)) (and .cse2 .cse5 .cse3 .cse6 .cse7) (not (<= 1 |old(~a19~0)|)) (and .cse8 .cse9 .cse5 .cse4 .cse6) (and .cse2 (= ~a28~0 9) .cse3) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse3) (and .cse2 .cse9 .cse5 .cse3 (<= ~a28~0 10) .cse6) (and (<= ~a19~0 0) (= 7 ~a17~0) .cse0 .cse1 (<= ~a25~0 0) .cse7))) [2020-09-21 12:31:09,384 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:31:09,384 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:31:09,384 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= ~a28~0 7)) (.cse8 (<= ~a11~0 0)) (.cse2 (<= ~a11~0 1)) (.cse9 (= ~a25~0 1)) (.cse5 (<= ~a19~0 1)) (.cse3 (or (not (= |old(~a25~0)| 1)) (= 11 |old(~a28~0)|))) (.cse6 (<= 1 ~a19~0)) (.cse0 (= ~a21~0 1)) (.cse1 (= ~a11~0 1)) (.cse7 (= ~a28~0 10))) (or (and (= ~a25~0 0) .cse0 (= ~a17~0 8) (not (= ~a19~0 1)) (= 7 ~a28~0) .cse1) (and .cse2 .cse3 .cse4) (not (<= |old(~a19~0)| 1)) (not (<= |old(~a28~0)| 7)) (and .cse2 .cse5 .cse3 .cse6 .cse7) (not (<= 1 |old(~a19~0)|)) (and .cse8 .cse9 .cse5 .cse4 .cse6) (and .cse2 (= ~a28~0 9) .cse3) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse3) (and .cse2 .cse9 .cse5 .cse3 (<= ~a28~0 10) .cse6) (and (<= ~a19~0 0) (= 7 ~a17~0) .cse0 .cse1 (<= ~a25~0 0) .cse7))) [2020-09-21 12:31:09,384 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 12:31:09,384 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 12:31:09,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:31:09 BoogieIcfgContainer [2020-09-21 12:31:09,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:31:09,414 INFO L168 Benchmark]: Toolchain (without parser) took 44329.05 ms. Allocated memory was 138.9 MB in the beginning and 728.8 MB in the end (delta: 589.8 MB). Free memory was 100.5 MB in the beginning and 246.9 MB in the end (delta: -146.4 MB). Peak memory consumption was 562.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:09,414 INFO L168 Benchmark]: CDTParser took 0.21 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 12:31:09,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.20 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 171.5 MB in the end (delta: -71.6 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:09,416 INFO L168 Benchmark]: Boogie Preprocessor took 121.90 ms. Allocated memory is still 204.5 MB. Free memory was 171.5 MB in the beginning and 166.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:09,417 INFO L168 Benchmark]: RCFGBuilder took 1367.36 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 166.5 MB in the beginning and 182.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:09,417 INFO L168 Benchmark]: TraceAbstraction took 41959.35 ms. Allocated memory was 236.5 MB in the beginning and 728.8 MB in the end (delta: 492.3 MB). Free memory was 182.0 MB in the beginning and 246.9 MB in the end (delta: -64.9 MB). Peak memory consumption was 546.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:31:09,421 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 866.20 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 171.5 MB in the end (delta: -71.6 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.90 ms. Allocated memory is still 204.5 MB. Free memory was 171.5 MB in the beginning and 166.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1367.36 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 166.5 MB in the beginning and 182.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41959.35 ms. Allocated memory was 236.5 MB in the beginning and 728.8 MB in the end (delta: 492.3 MB). Free memory was 182.0 MB in the beginning and 246.9 MB in the end (delta: -64.9 MB). Peak memory consumption was 546.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 583]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((a25 == 0 && a21 == 1) && a17 == 8) && !(a19 == 1)) && 7 == a28) && a11 == 1) || ((a11 <= 1 && (!(\old(a25) == 1) || 11 == \old(a28))) && a28 <= 7)) || !(\old(a19) <= 1)) || !(\old(a28) <= 7)) || ((((a11 <= 1 && a19 <= 1) && (!(\old(a25) == 1) || 11 == \old(a28))) && 1 <= a19) && a28 == 10)) || !(1 <= \old(a19))) || ((((a11 <= 0 && a25 == 1) && a19 <= 1) && a28 <= 7) && 1 <= a19)) || ((a11 <= 1 && a28 == 9) && (!(\old(a25) == 1) || 11 == \old(a28)))) || !(\old(a11) <= 0)) || (a11 <= 0 && (!(\old(a25) == 1) || 11 == \old(a28)))) || (((((a11 <= 1 && a25 == 1) && a19 <= 1) && (!(\old(a25) == 1) || 11 == \old(a28))) && a28 <= 10) && 1 <= a19)) || (((((a19 <= 0 && 7 == a17) && a21 == 1) && a11 == 1) && a25 <= 0) && a28 == 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.0s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 19.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 471 SDtfs, 4219 SDslu, 590 SDs, 0 SdLazy, 11044 SolverSat, 1475 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3901occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 2244 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 159 PreInvPairs, 213 NumberOfFragments, 600 HoareAnnotationTreeSize, 159 FomulaSimplifications, 193715 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7010 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 2133 NumberOfCodeBlocks, 2133 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2122 ConstructedInterpolants, 0 QuantifiedInterpolants, 1466705 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 692/768 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...