/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:04:55,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:04:55,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:04:55,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:04:55,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:04:55,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:04:55,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:04:55,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:04:55,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:04:55,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:04:55,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:04:55,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:04:55,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:04:55,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:04:55,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:04:55,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:04:55,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:04:55,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:04:55,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:04:55,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:04:55,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:04:55,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:04:55,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:04:55,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:04:55,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:04:55,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:04:55,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:04:55,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:04:55,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:04:55,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:04:55,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:04:55,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:04:55,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:04:55,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:04:55,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:04:55,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:04:55,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:04:55,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:04:55,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:04:55,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:04:55,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:04:55,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 21:04:55,436 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:04:55,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:04:55,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:04:55,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:04:55,438 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:04:55,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:04:55,439 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:04:55,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:04:55,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:04:55,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:04:55,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:04:55,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:04:55,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:04:55,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:04:55,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:04:55,441 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:04:55,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:04:55,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:04:55,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:04:55,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:04:55,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:04:55,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:04:55,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:04:55,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:04:55,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:04:55,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:04:55,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:04:55,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:04:55,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:04:55,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:04:55,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:04:55,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:04:55,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:04:55,833 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:04:55,833 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:04:55,834 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label58.c [2020-10-14 21:04:55,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/676fd0682/2d18cb2e59d94fcf9965237138dff38d/FLAGd6d3c432e [2020-10-14 21:04:56,551 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:04:56,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label58.c [2020-10-14 21:04:56,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/676fd0682/2d18cb2e59d94fcf9965237138dff38d/FLAGd6d3c432e [2020-10-14 21:04:56,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/676fd0682/2d18cb2e59d94fcf9965237138dff38d [2020-10-14 21:04:56,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:04:56,737 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:04:56,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:04:56,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:04:56,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:04:56,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:04:56" (1/1) ... [2020-10-14 21:04:56,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad15a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:56, skipping insertion in model container [2020-10-14 21:04:56,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:04:56" (1/1) ... [2020-10-14 21:04:56,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:04:56,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:04:57,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:04:57,559 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:04:57,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:04:57,840 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:04:57,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57 WrapperNode [2020-10-14 21:04:57,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:04:57,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:04:57,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:04:57,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:04:57,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:57,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:57,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:57,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:58,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:58,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:58,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... [2020-10-14 21:04:58,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:04:58,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:04:58,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:04:58,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:04:58,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:04:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:04:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:04:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:04:58,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:04:58,148 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:04:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:04:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:04:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:04:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:04:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:04:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:05:00,092 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:05:00,093 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:05:00,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:05:00 BoogieIcfgContainer [2020-10-14 21:05:00,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:05:00,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:05:00,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:05:00,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:05:00,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:04:56" (1/3) ... [2020-10-14 21:05:00,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7418e649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:05:00, skipping insertion in model container [2020-10-14 21:05:00,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:04:57" (2/3) ... [2020-10-14 21:05:00,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7418e649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:05:00, skipping insertion in model container [2020-10-14 21:05:00,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:05:00" (3/3) ... [2020-10-14 21:05:00,121 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label58.c [2020-10-14 21:05:00,133 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:05:00,145 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:05:00,162 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:05:00,199 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:05:00,200 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:05:00,200 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:05:00,200 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:05:00,200 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:05:00,200 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:05:00,201 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:05:00,201 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:05:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 21:05:00,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-14 21:05:00,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:00,251 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] [2020-10-14 21:05:00,251 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:00,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:00,258 INFO L82 PathProgramCache]: Analyzing trace with hash -806848853, now seen corresponding path program 1 times [2020-10-14 21:05:00,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:00,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [507778798] [2020-10-14 21:05:00,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:00,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:00,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:00,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 21:05:00,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-10-14 21:05:00,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:00,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:05:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:05:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 21:05:00,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 21:05:01,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:01,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:01,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:01,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:01,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:01,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:05:01,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:01,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:05:01,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:05:01,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [507778798] [2020-10-14 21:05:01,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:05:01,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 21:05:01,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876437617] [2020-10-14 21:05:01,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 21:05:01,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:01,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 21:05:01,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 21:05:01,066 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 21:05:03,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:03,644 INFO L93 Difference]: Finished difference Result 788 states and 1382 transitions. [2020-10-14 21:05:03,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:05:03,646 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-10-14 21:05:03,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:03,666 INFO L225 Difference]: With dead ends: 788 [2020-10-14 21:05:03,666 INFO L226 Difference]: Without dead ends: 431 [2020-10-14 21:05:03,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:05:03,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-10-14 21:05:03,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 425. [2020-10-14 21:05:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-14 21:05:03,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 612 transitions. [2020-10-14 21:05:03,759 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 612 transitions. Word has length 24 [2020-10-14 21:05:03,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:03,760 INFO L479 AbstractCegarLoop]: Abstraction has 425 states and 612 transitions. [2020-10-14 21:05:03,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 21:05:03,760 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 612 transitions. [2020-10-14 21:05:03,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-14 21:05:03,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:03,765 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 21:05:03,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:05:03,766 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:03,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:03,766 INFO L82 PathProgramCache]: Analyzing trace with hash -504502934, now seen corresponding path program 1 times [2020-10-14 21:05:03,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:03,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1321008750] [2020-10-14 21:05:03,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:03,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:04,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:04,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:04,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:05:04,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:05:04,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1074 [2020-10-14 21:05:04,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:04,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:04,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:05:04,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:05:04,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 21:05:04,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:05:04,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:04,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:04,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:04,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:04,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:04,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 21:05:04,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:04,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:04,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:04,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:04,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:05:04,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:04,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:05,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:05,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:05,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:05:05,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:05,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-14 21:05:05,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:05,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:05,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:05,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 21:05:05,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:05:05,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1321008750] [2020-10-14 21:05:05,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:05:05,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:05:05,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185815756] [2020-10-14 21:05:05,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:05:05,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:05,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:05:05,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:05:05,209 INFO L87 Difference]: Start difference. First operand 425 states and 612 transitions. Second operand 7 states. [2020-10-14 21:05:07,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:07,916 INFO L93 Difference]: Finished difference Result 1275 states and 1860 transitions. [2020-10-14 21:05:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:05:07,917 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2020-10-14 21:05:07,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:07,925 INFO L225 Difference]: With dead ends: 1275 [2020-10-14 21:05:07,925 INFO L226 Difference]: Without dead ends: 856 [2020-10-14 21:05:07,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:05:07,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2020-10-14 21:05:07,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 820. [2020-10-14 21:05:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 820 states. [2020-10-14 21:05:07,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1097 transitions. [2020-10-14 21:05:07,981 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1097 transitions. Word has length 96 [2020-10-14 21:05:07,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:07,981 INFO L479 AbstractCegarLoop]: Abstraction has 820 states and 1097 transitions. [2020-10-14 21:05:07,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:05:07,982 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1097 transitions. [2020-10-14 21:05:07,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-14 21:05:07,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:07,985 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:05:07,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:05:07,986 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:07,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:07,986 INFO L82 PathProgramCache]: Analyzing trace with hash 611805402, now seen corresponding path program 1 times [2020-10-14 21:05:07,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:07,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693777031] [2020-10-14 21:05:07,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:08,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:08,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:08,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:08,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:09,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:09,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:05:09,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:05:09,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1110 [2020-10-14 21:05:09,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:09,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:09,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:05:09,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:05:09,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:05:09,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:09,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:09,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:09,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:09,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:09,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:09,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:05:09,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:09,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:09,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:05:09,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:09,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:09,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:09,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:09,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:09,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:05:09,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:05:09,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-14 21:05:09,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:09,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 21:05:09,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 21:05:09,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693777031] [2020-10-14 21:05:09,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:09,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:05:09,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094425078] [2020-10-14 21:05:09,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:05:09,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:09,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:05:09,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:05:09,702 INFO L87 Difference]: Start difference. First operand 820 states and 1097 transitions. Second operand 7 states. [2020-10-14 21:05:12,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:12,645 INFO L93 Difference]: Finished difference Result 2466 states and 3333 transitions. [2020-10-14 21:05:12,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:05:12,646 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2020-10-14 21:05:12,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:12,658 INFO L225 Difference]: With dead ends: 2466 [2020-10-14 21:05:12,659 INFO L226 Difference]: Without dead ends: 1652 [2020-10-14 21:05:12,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:05:12,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2020-10-14 21:05:12,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1616. [2020-10-14 21:05:12,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1616 states. [2020-10-14 21:05:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2021 transitions. [2020-10-14 21:05:12,743 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2021 transitions. Word has length 104 [2020-10-14 21:05:12,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:12,744 INFO L479 AbstractCegarLoop]: Abstraction has 1616 states and 2021 transitions. [2020-10-14 21:05:12,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:05:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2021 transitions. [2020-10-14 21:05:12,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-14 21:05:12,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:12,759 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 21:05:12,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:05:12,763 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:12,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:12,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1664232076, now seen corresponding path program 1 times [2020-10-14 21:05:12,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:12,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815226832] [2020-10-14 21:05:12,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:12,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:13,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:13,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-14 21:05:13,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:13,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 396 [2020-10-14 21:05:13,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:13,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:13,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:13,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:05:13,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 21:05:13,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 21:05:13,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:13,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:13,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:13,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:13,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:13,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:05:13,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:13,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:13,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:13,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:13,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:13,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:13,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:13,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:13,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:13,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:05:13,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:13,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 21:05:13,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:13,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:13,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:05:13,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:05:13,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815226832] [2020-10-14 21:05:13,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:13,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:05:13,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474926543] [2020-10-14 21:05:13,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:05:13,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:13,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:05:13,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:05:13,584 INFO L87 Difference]: Start difference. First operand 1616 states and 2021 transitions. Second operand 5 states. [2020-10-14 21:05:15,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:15,904 INFO L93 Difference]: Finished difference Result 4022 states and 5235 transitions. [2020-10-14 21:05:15,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:05:15,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-10-14 21:05:15,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:15,920 INFO L225 Difference]: With dead ends: 4022 [2020-10-14 21:05:15,921 INFO L226 Difference]: Without dead ends: 2790 [2020-10-14 21:05:15,925 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 [2020-10-14 21:05:15,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2020-10-14 21:05:16,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2589. [2020-10-14 21:05:16,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2589 states. [2020-10-14 21:05:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2589 states and 3340 transitions. [2020-10-14 21:05:16,014 INFO L78 Accepts]: Start accepts. Automaton has 2589 states and 3340 transitions. Word has length 155 [2020-10-14 21:05:16,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:16,017 INFO L479 AbstractCegarLoop]: Abstraction has 2589 states and 3340 transitions. [2020-10-14 21:05:16,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:05:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 3340 transitions. [2020-10-14 21:05:16,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-14 21:05:16,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:16,023 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:05:16,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:05:16,024 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:16,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:16,025 INFO L82 PathProgramCache]: Analyzing trace with hash -195858429, now seen corresponding path program 1 times [2020-10-14 21:05:16,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:16,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479993966] [2020-10-14 21:05:16,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:16,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:16,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:16,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:16,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-14 21:05:16,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:05:16,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 896 [2020-10-14 21:05:16,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:16,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 21:05:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:05:16,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:17,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:17,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:17,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:17,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:17,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:17,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:05:17,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:17,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:17,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:17,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:17,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:17,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:05:17,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:17,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 21:05:17,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:17,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:05:17,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:17,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:05:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:17,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:17,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:17,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:05:17,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:17,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 21:05:17,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:17,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 21:05:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:05:17,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479993966] [2020-10-14 21:05:17,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:17,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:05:17,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358307172] [2020-10-14 21:05:17,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:05:17,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:17,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:05:17,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:05:17,580 INFO L87 Difference]: Start difference. First operand 2589 states and 3340 transitions. Second operand 7 states. [2020-10-14 21:05:20,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:20,378 INFO L93 Difference]: Finished difference Result 5811 states and 7827 transitions. [2020-10-14 21:05:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:05:20,379 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 212 [2020-10-14 21:05:20,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:20,400 INFO L225 Difference]: With dead ends: 5811 [2020-10-14 21:05:20,400 INFO L226 Difference]: Without dead ends: 3606 [2020-10-14 21:05:20,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:05:20,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3606 states. [2020-10-14 21:05:20,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3606 to 3578. [2020-10-14 21:05:20,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3578 states. [2020-10-14 21:05:20,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3578 states and 4623 transitions. [2020-10-14 21:05:20,497 INFO L78 Accepts]: Start accepts. Automaton has 3578 states and 4623 transitions. Word has length 212 [2020-10-14 21:05:20,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:20,497 INFO L479 AbstractCegarLoop]: Abstraction has 3578 states and 4623 transitions. [2020-10-14 21:05:20,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:05:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3578 states and 4623 transitions. [2020-10-14 21:05:20,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-14 21:05:20,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:20,501 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:05:20,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:05:20,502 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:20,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:20,502 INFO L82 PathProgramCache]: Analyzing trace with hash 550889348, now seen corresponding path program 1 times [2020-10-14 21:05:20,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:20,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [553423348] [2020-10-14 21:05:20,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:20,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:20,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:21,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:22,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:22,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-14 21:05:22,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:05:22,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2358 [2020-10-14 21:05:22,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:22,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 21:05:22,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:05:22,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 21:05:22,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:23,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:23,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:23,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:23,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:23,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:23,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:05:23,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:23,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:23,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:05:23,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:23,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:23,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:23,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:23,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:05:23,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:23,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-14 21:05:23,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:23,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:23,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:23,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:23,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 21:05:23,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:23,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:05:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:23,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:23,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:23,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:05:23,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:23,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-14 21:05:23,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:23,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:05:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:05:23,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 20 proven. 83 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 21:05:23,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [553423348] [2020-10-14 21:05:23,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:23,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:05:23,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807895978] [2020-10-14 21:05:23,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:05:23,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:23,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:05:23,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:05:23,764 INFO L87 Difference]: Start difference. First operand 3578 states and 4623 transitions. Second operand 9 states. [2020-10-14 21:05:26,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:26,484 INFO L93 Difference]: Finished difference Result 8448 states and 11425 transitions. [2020-10-14 21:05:26,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:05:26,485 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-10-14 21:05:26,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:26,511 INFO L225 Difference]: With dead ends: 8448 [2020-10-14 21:05:26,512 INFO L226 Difference]: Without dead ends: 5244 [2020-10-14 21:05:26,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:05:26,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5244 states. [2020-10-14 21:05:26,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5244 to 5186. [2020-10-14 21:05:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5186 states. [2020-10-14 21:05:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 6658 transitions. [2020-10-14 21:05:26,707 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 6658 transitions. Word has length 213 [2020-10-14 21:05:26,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:26,707 INFO L479 AbstractCegarLoop]: Abstraction has 5186 states and 6658 transitions. [2020-10-14 21:05:26,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:05:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 6658 transitions. [2020-10-14 21:05:26,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-14 21:05:26,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:26,712 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:05:26,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:05:26,712 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:26,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:26,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1632023905, now seen corresponding path program 1 times [2020-10-14 21:05:26,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:26,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272077088] [2020-10-14 21:05:26,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:26,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:26,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:27,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:28,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:28,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 21:05:28,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:05:28,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1537 [2020-10-14 21:05:28,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:28,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 21:05:28,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:05:28,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:28,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:28,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:28,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:28,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:28,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:28,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 21:05:28,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:28,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:28,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:28,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:28,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:28,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:28,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:05:28,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:28,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 21:05:28,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:28,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:28,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:28,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:05:28,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:28,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:05:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:28,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:28,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:28,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:05:28,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:28,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-14 21:05:28,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:28,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:05:28,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:05:28,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272077088] [2020-10-14 21:05:28,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:28,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:05:28,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306348466] [2020-10-14 21:05:28,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:05:28,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:28,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:05:28,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:05:28,920 INFO L87 Difference]: Start difference. First operand 5186 states and 6658 transitions. Second operand 7 states. [2020-10-14 21:05:31,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:31,815 INFO L93 Difference]: Finished difference Result 10953 states and 14946 transitions. [2020-10-14 21:05:31,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:05:31,816 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2020-10-14 21:05:31,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:31,852 INFO L225 Difference]: With dead ends: 10953 [2020-10-14 21:05:31,853 INFO L226 Difference]: Without dead ends: 6151 [2020-10-14 21:05:31,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:05:31,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2020-10-14 21:05:32,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 5985. [2020-10-14 21:05:32,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5985 states. [2020-10-14 21:05:32,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5985 states to 5985 states and 7564 transitions. [2020-10-14 21:05:32,055 INFO L78 Accepts]: Start accepts. Automaton has 5985 states and 7564 transitions. Word has length 214 [2020-10-14 21:05:32,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:32,056 INFO L479 AbstractCegarLoop]: Abstraction has 5985 states and 7564 transitions. [2020-10-14 21:05:32,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:05:32,056 INFO L276 IsEmpty]: Start isEmpty. Operand 5985 states and 7564 transitions. [2020-10-14 21:05:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-14 21:05:32,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:32,061 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:05:32,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:05:32,062 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:32,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:32,062 INFO L82 PathProgramCache]: Analyzing trace with hash -739858517, now seen corresponding path program 1 times [2020-10-14 21:05:32,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:32,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814375231] [2020-10-14 21:05:32,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:32,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:32,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:32,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:32,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 21:05:32,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:05:32,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 626 [2020-10-14 21:05:32,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:32,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:32,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:32,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 21:05:32,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 21:05:32,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:32,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:32,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:32,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:32,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:32,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:32,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:05:32,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:32,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:32,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:32,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:32,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:32,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:32,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:32,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:32,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:32,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:05:32,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 21:05:32,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:32,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:32,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:32,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:32,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:05:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:32,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:33,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:33,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 21:05:33,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:33,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 21:05:33,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:33,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:33,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:33,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:05:33,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-14 21:05:33,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814375231] [2020-10-14 21:05:33,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:33,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:05:33,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142196412] [2020-10-14 21:05:33,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:05:33,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:33,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:05:33,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:05:33,133 INFO L87 Difference]: Start difference. First operand 5985 states and 7564 transitions. Second operand 5 states. [2020-10-14 21:05:35,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:35,525 INFO L93 Difference]: Finished difference Result 12989 states and 16940 transitions. [2020-10-14 21:05:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:05:35,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2020-10-14 21:05:35,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:35,571 INFO L225 Difference]: With dead ends: 12989 [2020-10-14 21:05:35,571 INFO L226 Difference]: Without dead ends: 7388 [2020-10-14 21:05:35,586 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:05:35,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7388 states. [2020-10-14 21:05:35,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7388 to 7335. [2020-10-14 21:05:35,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7335 states. [2020-10-14 21:05:35,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7335 states to 7335 states and 9332 transitions. [2020-10-14 21:05:35,763 INFO L78 Accepts]: Start accepts. Automaton has 7335 states and 9332 transitions. Word has length 224 [2020-10-14 21:05:35,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:35,763 INFO L479 AbstractCegarLoop]: Abstraction has 7335 states and 9332 transitions. [2020-10-14 21:05:35,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:05:35,764 INFO L276 IsEmpty]: Start isEmpty. Operand 7335 states and 9332 transitions. [2020-10-14 21:05:35,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-14 21:05:35,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:35,769 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:05:35,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:05:35,769 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:35,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:35,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1233789877, now seen corresponding path program 1 times [2020-10-14 21:05:35,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:35,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379703368] [2020-10-14 21:05:35,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:35,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:35,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:36,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:37,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:37,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:39,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:39,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-14 21:05:39,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:05:39,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4031 [2020-10-14 21:05:39,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:39,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:39,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:05:39,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:05:39,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 21:05:39,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:39,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:39,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:39,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:39,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:39,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:39,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:05:39,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:39,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:39,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:39,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:39,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:05:39,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:39,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:39,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:40,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:40,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:40,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:05:40,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:05:40,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-14 21:05:40,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:40,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 21:05:40,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:40,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:05:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:40,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:40,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:40,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:05:40,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:40,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:05:40,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:40,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-14 21:05:40,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 34 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:05:40,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379703368] [2020-10-14 21:05:40,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:40,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:05:40,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702846262] [2020-10-14 21:05:40,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:05:40,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:40,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:05:40,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:05:40,659 INFO L87 Difference]: Start difference. First operand 7335 states and 9332 transitions. Second operand 7 states. [2020-10-14 21:05:43,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:43,246 INFO L93 Difference]: Finished difference Result 16226 states and 21281 transitions. [2020-10-14 21:05:43,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:05:43,247 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 227 [2020-10-14 21:05:43,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:43,279 INFO L225 Difference]: With dead ends: 16226 [2020-10-14 21:05:43,279 INFO L226 Difference]: Without dead ends: 9275 [2020-10-14 21:05:43,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:05:43,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9275 states. [2020-10-14 21:05:43,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9275 to 9240. [2020-10-14 21:05:43,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9240 states. [2020-10-14 21:05:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9240 states to 9240 states and 11646 transitions. [2020-10-14 21:05:43,499 INFO L78 Accepts]: Start accepts. Automaton has 9240 states and 11646 transitions. Word has length 227 [2020-10-14 21:05:43,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:43,500 INFO L479 AbstractCegarLoop]: Abstraction has 9240 states and 11646 transitions. [2020-10-14 21:05:43,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:05:43,500 INFO L276 IsEmpty]: Start isEmpty. Operand 9240 states and 11646 transitions. [2020-10-14 21:05:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-14 21:05:43,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:43,505 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:05:43,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:05:43,505 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:43,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:43,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1317922220, now seen corresponding path program 1 times [2020-10-14 21:05:43,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:43,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643352217] [2020-10-14 21:05:43,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:43,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:43,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:44,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:44,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-14 21:05:44,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:05:44,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1246 [2020-10-14 21:05:44,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:44,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:44,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:44,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 21:05:44,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:05:44,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:44,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:44,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:44,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:44,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:44,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:44,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:05:44,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:44,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:44,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:44,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:44,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:44,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:44,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:45,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:45,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:05:45,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:45,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 21:05:45,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:45,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:45,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:45,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:45,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 21:05:45,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:45,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 21:05:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:45,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:45,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:45,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:05:45,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 21:05:45,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:45,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:45,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 21:05:45,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:45,357 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 104 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:05:45,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643352217] [2020-10-14 21:05:45,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:45,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:05:45,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933229204] [2020-10-14 21:05:45,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:05:45,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:45,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:05:45,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:05:45,360 INFO L87 Difference]: Start difference. First operand 9240 states and 11646 transitions. Second operand 7 states. [2020-10-14 21:05:48,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:48,137 INFO L93 Difference]: Finished difference Result 16991 states and 21632 transitions. [2020-10-14 21:05:48,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:05:48,142 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 228 [2020-10-14 21:05:48,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:48,173 INFO L225 Difference]: With dead ends: 16991 [2020-10-14 21:05:48,173 INFO L226 Difference]: Without dead ends: 9875 [2020-10-14 21:05:48,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:05:48,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9875 states. [2020-10-14 21:05:48,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9875 to 9828. [2020-10-14 21:05:48,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9828 states. [2020-10-14 21:05:48,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9828 states to 9828 states and 12365 transitions. [2020-10-14 21:05:48,391 INFO L78 Accepts]: Start accepts. Automaton has 9828 states and 12365 transitions. Word has length 228 [2020-10-14 21:05:48,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:48,392 INFO L479 AbstractCegarLoop]: Abstraction has 9828 states and 12365 transitions. [2020-10-14 21:05:48,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:05:48,392 INFO L276 IsEmpty]: Start isEmpty. Operand 9828 states and 12365 transitions. [2020-10-14 21:05:48,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-14 21:05:48,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:48,397 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:05:48,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:05:48,398 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:48,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:48,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1961864830, now seen corresponding path program 1 times [2020-10-14 21:05:48,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:48,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349531083] [2020-10-14 21:05:48,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:48,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:48,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:49,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:49,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-14 21:05:49,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:05:49,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 844 [2020-10-14 21:05:49,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:49,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:49,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:49,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 21:05:49,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:05:49,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:05:49,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:05:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:49,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:49,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:49,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:05:49,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:49,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:05:49,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:49,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:49,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:05:49,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:49,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:05:49,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:49,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:05:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:49,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:49,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:49,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 21:05:49,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:49,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-14 21:05:49,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:49,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:05:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:05:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 21:05:49,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:49,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 21:05:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:05:49,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:05:49,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:05:49,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:05:49,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:05:49,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 21:05:49,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:05:49,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:05:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:05:49,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:05:49,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 21:05:49,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:05:50,061 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:05:50,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349531083] [2020-10-14 21:05:50,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:05:50,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:05:50,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932723492] [2020-10-14 21:05:50,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:05:50,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:05:50,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:05:50,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:05:50,066 INFO L87 Difference]: Start difference. First operand 9828 states and 12365 transitions. Second operand 8 states. [2020-10-14 21:05:53,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:05:53,978 INFO L93 Difference]: Finished difference Result 21072 states and 27081 transitions. [2020-10-14 21:05:53,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:05:53,979 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 243 [2020-10-14 21:05:53,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:05:54,013 INFO L225 Difference]: With dead ends: 21072 [2020-10-14 21:05:54,013 INFO L226 Difference]: Without dead ends: 11628 [2020-10-14 21:05:54,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:05:54,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11628 states. [2020-10-14 21:05:54,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11628 to 11568. [2020-10-14 21:05:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11568 states. [2020-10-14 21:05:54,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11568 states to 11568 states and 14505 transitions. [2020-10-14 21:05:54,257 INFO L78 Accepts]: Start accepts. Automaton has 11568 states and 14505 transitions. Word has length 243 [2020-10-14 21:05:54,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:05:54,257 INFO L479 AbstractCegarLoop]: Abstraction has 11568 states and 14505 transitions. [2020-10-14 21:05:54,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:05:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 11568 states and 14505 transitions. [2020-10-14 21:05:54,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-14 21:05:54,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:05:54,263 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:05:54,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:05:54,264 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:05:54,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:05:54,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1090702368, now seen corresponding path program 1 times [2020-10-14 21:05:54,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:05:54,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [173695381] [2020-10-14 21:05:54,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:05:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 21:05:54,320 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 21:05:54,320 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 21:05:54,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:05:54,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:05:54 BoogieIcfgContainer [2020-10-14 21:05:54,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:05:54,389 INFO L168 Benchmark]: Toolchain (without parser) took 57651.57 ms. Allocated memory was 149.9 MB in the beginning and 823.1 MB in the end (delta: 673.2 MB). Free memory was 103.2 MB in the beginning and 511.9 MB in the end (delta: -408.7 MB). Peak memory consumption was 264.5 MB. Max. memory is 7.1 GB. [2020-10-14 21:05:54,395 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 149.9 MB. Free memory was 124.5 MB in the beginning and 124.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 21:05:54,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1112.33 ms. Allocated memory was 149.9 MB in the beginning and 210.2 MB in the end (delta: 60.3 MB). Free memory was 103.2 MB in the beginning and 163.3 MB in the end (delta: -60.1 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. [2020-10-14 21:05:54,397 INFO L168 Benchmark]: Boogie Preprocessor took 221.32 ms. Allocated memory is still 210.2 MB. Free memory was 163.3 MB in the beginning and 155.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2020-10-14 21:05:54,397 INFO L168 Benchmark]: RCFGBuilder took 2036.33 ms. Allocated memory was 210.2 MB in the beginning and 248.0 MB in the end (delta: 37.7 MB). Free memory was 155.6 MB in the beginning and 206.5 MB in the end (delta: -50.9 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2020-10-14 21:05:54,403 INFO L168 Benchmark]: TraceAbstraction took 54275.77 ms. Allocated memory was 248.0 MB in the beginning and 823.1 MB in the end (delta: 575.1 MB). Free memory was 206.5 MB in the beginning and 511.9 MB in the end (delta: -305.4 MB). Peak memory consumption was 269.7 MB. Max. memory is 7.1 GB. [2020-10-14 21:05:54,411 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 149.9 MB. Free memory was 124.5 MB in the beginning and 124.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1112.33 ms. Allocated memory was 149.9 MB in the beginning and 210.2 MB in the end (delta: 60.3 MB). Free memory was 103.2 MB in the beginning and 163.3 MB in the end (delta: -60.1 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 221.32 ms. Allocated memory is still 210.2 MB. Free memory was 163.3 MB in the beginning and 155.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2036.33 ms. Allocated memory was 210.2 MB in the beginning and 248.0 MB in the end (delta: 37.7 MB). Free memory was 155.6 MB in the beginning and 206.5 MB in the end (delta: -50.9 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 54275.77 ms. Allocated memory was 248.0 MB in the beginning and 823.1 MB in the end (delta: 575.1 MB). Free memory was 206.5 MB in the beginning and 511.9 MB in the end (delta: -305.4 MB). Peak memory consumption was 269.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 60]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputA = 1; [L8] int inputD = 4; [L9] int inputB = 2; [L10] int inputE = 5; [L11] int inputF = 6; [L12] int inputC = 3; [L15] int a29 = 130; [L16] int a4 = 1; [L17] int a23 = 312; [L18] int a8 = 15; [L19] int a25 = 10; [L20] int a3 = 1; [L1031] int output = -1; [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L531] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L537] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L542] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L549] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L555] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L561] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L566] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L572] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L575] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L581] COND TRUE ((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 )) [L582] a29 = (((((a29 - 0) % 15)+ 262) + 241270) + -241271) [L583] a25 = 12 [L585] return 24; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND TRUE ((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1))) [L412] a29 = ((((a29 * 12)/ 10) / 5) + 99853) [L413] a23 = ((((a23 / 5) * 4) % 83)- -180) [L414] a25 = 13 [L416] return -1; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND TRUE ((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15)) [L60] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 54.1s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 31.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 535 SDtfs, 7260 SDslu, 1013 SDs, 0 SdLazy, 15961 SolverSat, 2206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11568occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 726 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 19.7s InterpolantComputationTime, 2191 NumberOfCodeBlocks, 2191 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1929 ConstructedInterpolants, 0 QuantifiedInterpolants, 1367241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 634/809 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 incorrect! Received shutdown request...