/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 02:40:55,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:40:55,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:40:55,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:40:55,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:40:55,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:40:55,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:40:55,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:40:55,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:40:55,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:40:55,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:40:55,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:40:55,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:40:55,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:40:55,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:40:55,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:40:55,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:40:55,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:40:55,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:40:55,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:40:55,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:40:55,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:40:55,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:40:55,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:40:55,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:40:55,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:40:55,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:40:55,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:40:55,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:40:55,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:40:55,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:40:55,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:40:55,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:40:55,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:40:55,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:40:55,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:40:55,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:40:55,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:40:55,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:40:55,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:40:55,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:40:55,613 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 02:40:55,657 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:40:55,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:40:55,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:40:55,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:40:55,660 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:40:55,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:40:55,660 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:40:55,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:40:55,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:40:55,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:40:55,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:40:55,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:40:55,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:40:55,662 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:40:55,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:40:55,663 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:40:55,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:40:55,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:40:55,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:40:55,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:40:55,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:40:55,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:40:55,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:40:55,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:40:55,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:40:55,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:40:55,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:40:55,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:40:55,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:40:55,665 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 02:40:55,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:40:55,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:40:55,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:40:55,999 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:40:56,000 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:40:56,001 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label58.c [2020-10-14 02:40:56,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c0c54faf/f2b18d6113b94271993662de43f9b54e/FLAG9df580e9b [2020-10-14 02:40:56,624 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:40:56,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label58.c [2020-10-14 02:40:56,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c0c54faf/f2b18d6113b94271993662de43f9b54e/FLAG9df580e9b [2020-10-14 02:40:56,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c0c54faf/f2b18d6113b94271993662de43f9b54e [2020-10-14 02:40:56,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:40:56,895 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:40:56,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:40:56,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:40:56,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:40:56,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:40:56" (1/1) ... [2020-10-14 02:40:56,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366b14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:40:56, skipping insertion in model container [2020-10-14 02:40:56,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:40:56" (1/1) ... [2020-10-14 02:40:56,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:40:56,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:40:57,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:40:57,733 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:40:57,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:40:58,005 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:40:58,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:40:58 WrapperNode [2020-10-14 02:40:58,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:40:58,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:40:58,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:40:58,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:40:58,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:40:58" (1/1) ... [2020-10-14 02:40:58,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:40:58" (1/1) ... [2020-10-14 02:40:58,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:40:58" (1/1) ... [2020-10-14 02:40:58,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:40:58" (1/1) ... [2020-10-14 02:40:58,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:40:58" (1/1) ... [2020-10-14 02:40:58,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:40:58" (1/1) ... [2020-10-14 02:40:58,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:40:58" (1/1) ... [2020-10-14 02:40:58,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:40:58,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:40:58,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:40:58,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:40:58,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:40:58" (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 02:40:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:40:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:40:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:40:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:40:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:40:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:40:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:40:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:40:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:40:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:40:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:41:00,391 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:41:00,391 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:41:00,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:41:00 BoogieIcfgContainer [2020-10-14 02:41:00,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:41:00,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:41:00,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:41:00,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:41:00,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:40:56" (1/3) ... [2020-10-14 02:41:00,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f07ac73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:41:00, skipping insertion in model container [2020-10-14 02:41:00,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:40:58" (2/3) ... [2020-10-14 02:41:00,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f07ac73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:41:00, skipping insertion in model container [2020-10-14 02:41:00,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:41:00" (3/3) ... [2020-10-14 02:41:00,420 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label58.c [2020-10-14 02:41:00,432 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:41:00,445 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:41:00,462 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:41:00,498 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:41:00,499 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:41:00,499 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:41:00,499 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:41:00,499 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:41:00,500 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:41:00,500 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:41:00,500 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:41:00,535 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 02:41:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-14 02:41:00,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:41:00,548 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 02:41:00,549 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:41:00,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:41:00,556 INFO L82 PathProgramCache]: Analyzing trace with hash -806848853, now seen corresponding path program 1 times [2020-10-14 02:41:00,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:41:00,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778281744] [2020-10-14 02:41:00,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:41:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:00,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:01,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:01,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 02:41:01,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:01,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-14 02:41:01,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:01,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:01,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:41:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:41:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 02:41:01,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 02:41:01,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:41:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:01,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:01,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:01,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:41:01,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:01,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 02:41:01,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:01,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:01,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:01,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:41:01,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:01,292 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 02:41:01,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778281744] [2020-10-14 02:41:01,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:41:01,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:41:01,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848447346] [2020-10-14 02:41:01,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:41:01,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:41:01,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:41:01,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:41:01,319 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 02:41:04,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:41:04,143 INFO L93 Difference]: Finished difference Result 788 states and 1382 transitions. [2020-10-14 02:41:04,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:41:04,145 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-10-14 02:41:04,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:41:04,172 INFO L225 Difference]: With dead ends: 788 [2020-10-14 02:41:04,172 INFO L226 Difference]: Without dead ends: 431 [2020-10-14 02:41:04,180 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 02:41:04,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-10-14 02:41:04,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 425. [2020-10-14 02:41:04,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-14 02:41:04,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 612 transitions. [2020-10-14 02:41:04,262 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 612 transitions. Word has length 24 [2020-10-14 02:41:04,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:41:04,263 INFO L479 AbstractCegarLoop]: Abstraction has 425 states and 612 transitions. [2020-10-14 02:41:04,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:41:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 612 transitions. [2020-10-14 02:41:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-14 02:41:04,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:41:04,268 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 02:41:04,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:41:04,269 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:41:04,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:41:04,269 INFO L82 PathProgramCache]: Analyzing trace with hash -504502934, now seen corresponding path program 1 times [2020-10-14 02:41:04,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:41:04,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187339142] [2020-10-14 02:41:04,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:41:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:04,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:04,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:05,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:05,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 02:41:05,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:41:05,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 891 [2020-10-14 02:41:05,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:05,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 02:41:05,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 02:41:05,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:05,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:41:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:05,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:05,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:05,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:41:05,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:05,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:41:05,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:05,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:05,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:05,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:41:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:05,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:05,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:05,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 02:41:05,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:05,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 02:41:05,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:05,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:41:05,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:05,481 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 02:41:05,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187339142] [2020-10-14 02:41:05,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:41:05,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 02:41:05,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424073783] [2020-10-14 02:41:05,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 02:41:05,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:41:05,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 02:41:05,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:41:05,486 INFO L87 Difference]: Start difference. First operand 425 states and 612 transitions. Second operand 6 states. [2020-10-14 02:41:08,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:41:08,780 INFO L93 Difference]: Finished difference Result 1634 states and 2397 transitions. [2020-10-14 02:41:08,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 02:41:08,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2020-10-14 02:41:08,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:41:08,793 INFO L225 Difference]: With dead ends: 1634 [2020-10-14 02:41:08,793 INFO L226 Difference]: Without dead ends: 1215 [2020-10-14 02:41:08,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:41:08,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2020-10-14 02:41:08,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1194. [2020-10-14 02:41:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-10-14 02:41:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1630 transitions. [2020-10-14 02:41:08,871 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1630 transitions. Word has length 96 [2020-10-14 02:41:08,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:41:08,872 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 1630 transitions. [2020-10-14 02:41:08,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 02:41:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1630 transitions. [2020-10-14 02:41:08,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-14 02:41:08,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:41:08,876 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 02:41:08,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:41:08,877 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:41:08,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:41:08,877 INFO L82 PathProgramCache]: Analyzing trace with hash 611805402, now seen corresponding path program 1 times [2020-10-14 02:41:08,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:41:08,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024662498] [2020-10-14 02:41:08,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:41:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:08,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:09,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:09,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:09,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:09,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:09,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 02:41:09,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:41:09,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1085 [2020-10-14 02:41:09,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:09,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 02:41:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 02:41:09,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:10,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:41:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:10,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:10,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:10,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:41:10,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:41:10,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:10,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:10,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:10,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:41:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:10,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:10,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:10,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 02:41:10,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:10,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 02:41:10,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:10,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:10,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:10,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:10,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 02:41:10,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:10,333 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 02:41:10,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024662498] [2020-10-14 02:41:10,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:41:10,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:41:10,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997727223] [2020-10-14 02:41:10,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:41:10,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:41:10,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:41:10,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:41:10,337 INFO L87 Difference]: Start difference. First operand 1194 states and 1630 transitions. Second operand 5 states. [2020-10-14 02:41:12,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:41:12,807 INFO L93 Difference]: Finished difference Result 3533 states and 4902 transitions. [2020-10-14 02:41:12,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:41:12,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-10-14 02:41:12,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:41:12,828 INFO L225 Difference]: With dead ends: 3533 [2020-10-14 02:41:12,828 INFO L226 Difference]: Without dead ends: 2345 [2020-10-14 02:41:12,833 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 02:41:12,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2020-10-14 02:41:12,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 2337. [2020-10-14 02:41:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2337 states. [2020-10-14 02:41:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 2337 states and 3122 transitions. [2020-10-14 02:41:12,973 INFO L78 Accepts]: Start accepts. Automaton has 2337 states and 3122 transitions. Word has length 104 [2020-10-14 02:41:12,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:41:12,976 INFO L479 AbstractCegarLoop]: Abstraction has 2337 states and 3122 transitions. [2020-10-14 02:41:12,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:41:12,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states and 3122 transitions. [2020-10-14 02:41:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-14 02:41:12,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:41:12,994 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] [2020-10-14 02:41:12,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:41:12,996 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:41:12,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:41:12,997 INFO L82 PathProgramCache]: Analyzing trace with hash -645024278, now seen corresponding path program 1 times [2020-10-14 02:41:12,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:41:12,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256628659] [2020-10-14 02:41:12,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:41:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:13,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:13,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:13,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:15,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:15,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-14 02:41:15,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:41:15,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2442 [2020-10-14 02:41:15,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:15,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:15,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:15,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 02:41:15,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 02:41:15,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 02:41:15,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:41:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:15,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:15,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:15,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:41:15,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:15,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:41:15,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:15,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:15,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:15,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:15,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:15,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:15,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:41:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:15,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:15,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:15,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 02:41:15,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:15,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 02:41:15,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:15,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:15,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:15,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:15,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 02:41:15,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:15,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 02:41:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:15,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:16,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:16,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 02:41:16,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:16,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-14 02:41:16,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:16,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:41:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 02:41:16,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:16,114 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 02:41:16,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256628659] [2020-10-14 02:41:16,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:41:16,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:41:16,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972331106] [2020-10-14 02:41:16,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:41:16,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:41:16,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:41:16,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:41:16,117 INFO L87 Difference]: Start difference. First operand 2337 states and 3122 transitions. Second operand 7 states. [2020-10-14 02:41:19,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:41:19,907 INFO L93 Difference]: Finished difference Result 4942 states and 7334 transitions. [2020-10-14 02:41:19,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:41:19,908 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-10-14 02:41:19,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:41:19,933 INFO L225 Difference]: With dead ends: 4942 [2020-10-14 02:41:19,934 INFO L226 Difference]: Without dead ends: 3757 [2020-10-14 02:41:19,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:41:19,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2020-10-14 02:41:20,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3703. [2020-10-14 02:41:20,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3703 states. [2020-10-14 02:41:20,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 3703 states and 5046 transitions. [2020-10-14 02:41:20,054 INFO L78 Accepts]: Start accepts. Automaton has 3703 states and 5046 transitions. Word has length 199 [2020-10-14 02:41:20,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:41:20,055 INFO L479 AbstractCegarLoop]: Abstraction has 3703 states and 5046 transitions. [2020-10-14 02:41:20,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:41:20,055 INFO L276 IsEmpty]: Start isEmpty. Operand 3703 states and 5046 transitions. [2020-10-14 02:41:20,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-14 02:41:20,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:41:20,062 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, 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 02:41:20,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:41:20,063 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:41:20,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:41:20,063 INFO L82 PathProgramCache]: Analyzing trace with hash 799940198, now seen corresponding path program 1 times [2020-10-14 02:41:20,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:41:20,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161281143] [2020-10-14 02:41:20,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:41:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:20,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:20,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:21,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:22,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:22,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-14 02:41:22,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:41:22,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2541 [2020-10-14 02:41:22,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:22,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:22,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:22,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 02:41:22,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 02:41:22,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:22,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:41:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:22,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:22,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:22,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:41:22,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:22,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:41:22,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:22,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:22,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 02:41:22,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:41:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:22,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:22,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:22,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 02:41:22,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:22,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 02:41:22,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:22,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:22,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:41:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:22,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 02:41:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:22,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:23,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:23,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 02:41:23,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-14 02:41:23,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:23,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:23,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:41:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 02:41:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:23,238 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:41:23,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161281143] [2020-10-14 02:41:23,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:41:23,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 02:41:23,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838700949] [2020-10-14 02:41:23,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 02:41:23,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:41:23,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 02:41:23,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 02:41:23,241 INFO L87 Difference]: Start difference. First operand 3703 states and 5046 transitions. Second operand 8 states. [2020-10-14 02:41:27,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:41:27,134 INFO L93 Difference]: Finished difference Result 9436 states and 13652 transitions. [2020-10-14 02:41:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:41:27,135 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 213 [2020-10-14 02:41:27,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:41:27,189 INFO L225 Difference]: With dead ends: 9436 [2020-10-14 02:41:27,190 INFO L226 Difference]: Without dead ends: 5927 [2020-10-14 02:41:27,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-10-14 02:41:27,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5927 states. [2020-10-14 02:41:27,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5927 to 5072. [2020-10-14 02:41:27,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5072 states. [2020-10-14 02:41:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 7008 transitions. [2020-10-14 02:41:27,476 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 7008 transitions. Word has length 213 [2020-10-14 02:41:27,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:41:27,476 INFO L479 AbstractCegarLoop]: Abstraction has 5072 states and 7008 transitions. [2020-10-14 02:41:27,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 02:41:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 7008 transitions. [2020-10-14 02:41:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-14 02:41:27,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:41:27,487 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, 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 02:41:27,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:41:27,488 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:41:27,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:41:27,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1314138445, now seen corresponding path program 1 times [2020-10-14 02:41:27,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:41:27,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096297498] [2020-10-14 02:41:27,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:41:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:27,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:27,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:29,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:29,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 02:41:29,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:41:29,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1622 [2020-10-14 02:41:29,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:29,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:29,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:29,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-14 02:41:29,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 02:41:29,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:29,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:41:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:29,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:29,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:29,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:41:29,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:29,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:41:29,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:29,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:29,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:29,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:29,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:29,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:29,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:41:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:29,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:29,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:29,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-14 02:41:29,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:29,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 02:41:29,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:29,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:29,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:29,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 02:41:29,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:41:29,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 02:41:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:29,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:29,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:29,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 02:41:29,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:29,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-14 02:41:29,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:29,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:29,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:29,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:41:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 02:41:29,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:29,731 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 120 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:41:29,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096297498] [2020-10-14 02:41:29,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:41:29,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:41:29,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008254674] [2020-10-14 02:41:29,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:41:29,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:41:29,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:41:29,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:41:29,735 INFO L87 Difference]: Start difference. First operand 5072 states and 7008 transitions. Second operand 7 states. [2020-10-14 02:41:33,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:41:33,100 INFO L93 Difference]: Finished difference Result 11184 states and 17510 transitions. [2020-10-14 02:41:33,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:41:33,101 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2020-10-14 02:41:33,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:41:33,154 INFO L225 Difference]: With dead ends: 11184 [2020-10-14 02:41:33,154 INFO L226 Difference]: Without dead ends: 6306 [2020-10-14 02:41:33,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:41:33,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6306 states. [2020-10-14 02:41:33,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6306 to 5719. [2020-10-14 02:41:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5719 states. [2020-10-14 02:41:33,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5719 states to 5719 states and 7933 transitions. [2020-10-14 02:41:33,526 INFO L78 Accepts]: Start accepts. Automaton has 5719 states and 7933 transitions. Word has length 214 [2020-10-14 02:41:33,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:41:33,527 INFO L479 AbstractCegarLoop]: Abstraction has 5719 states and 7933 transitions. [2020-10-14 02:41:33,527 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:41:33,527 INFO L276 IsEmpty]: Start isEmpty. Operand 5719 states and 7933 transitions. [2020-10-14 02:41:33,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-14 02:41:33,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:41:33,543 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:41:33,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 02:41:33,543 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:41:33,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:41:33,544 INFO L82 PathProgramCache]: Analyzing trace with hash -95633952, now seen corresponding path program 1 times [2020-10-14 02:41:33,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:41:33,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [163547010] [2020-10-14 02:41:33,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:41:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:33,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:33,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:33,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:36,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:36,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:38,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:38,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 02:41:38,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:41:38,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 02:41:38,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:38,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 227 [2020-10-14 02:41:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:41:38,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:38,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:41:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:38,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:38,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:38,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:41:38,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:38,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:41:38,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:38,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:38,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:38,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:38,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:41:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:38,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:38,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:38,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 02:41:38,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:38,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 02:41:38,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:38,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:38,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:38,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:38,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:38,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 02:41:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:38,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:38,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:38,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 02:41:38,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:38,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 02:41:38,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:38,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:38,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:38,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-14 02:41:38,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:41:38,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 02:41:39,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [163547010] [2020-10-14 02:41:39,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:41:39,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 02:41:39,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698425703] [2020-10-14 02:41:39,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:41:39,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:41:39,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:41:39,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:41:39,095 INFO L87 Difference]: Start difference. First operand 5719 states and 7933 transitions. Second operand 5 states. [2020-10-14 02:41:42,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:41:42,453 INFO L93 Difference]: Finished difference Result 11603 states and 16515 transitions. [2020-10-14 02:41:42,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:41:42,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2020-10-14 02:41:42,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:41:42,490 INFO L225 Difference]: With dead ends: 11603 [2020-10-14 02:41:42,491 INFO L226 Difference]: Without dead ends: 7434 [2020-10-14 02:41:42,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 02:41:42,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7434 states. [2020-10-14 02:41:42,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7434 to 7426. [2020-10-14 02:41:42,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7426 states. [2020-10-14 02:41:42,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7426 states to 7426 states and 10226 transitions. [2020-10-14 02:41:42,695 INFO L78 Accepts]: Start accepts. Automaton has 7426 states and 10226 transitions. Word has length 241 [2020-10-14 02:41:42,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:41:42,696 INFO L479 AbstractCegarLoop]: Abstraction has 7426 states and 10226 transitions. [2020-10-14 02:41:42,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:41:42,696 INFO L276 IsEmpty]: Start isEmpty. Operand 7426 states and 10226 transitions. [2020-10-14 02:41:42,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-14 02:41:42,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:41:42,708 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] [2020-10-14 02:41:42,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 02:41:42,709 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:41:42,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:41:42,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1297591984, now seen corresponding path program 1 times [2020-10-14 02:41:42,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:41:42,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1664429102] [2020-10-14 02:41:42,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:41:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:42,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:43,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:44,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:44,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-14 02:41:44,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:41:44,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1340 [2020-10-14 02:41:44,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:44,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:44,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:44,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 02:41:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 02:41:44,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:44,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:41:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:44,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:44,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:44,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:41:44,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:44,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:41:44,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:44,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:41:44,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:44,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:41:44,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:44,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:41:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:44,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:44,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:44,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 02:41:44,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:44,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-14 02:41:44,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:44,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:44,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:41:44,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:41:44,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 02:41:44,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:44,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 02:41:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:41:44,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:41:44,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:41:44,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 02:41:44,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:41:44,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-14 02:41:44,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:41:44,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:41:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:41:44,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:41:44,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 02:41:44,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:41:44,949 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 132 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:41:44,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1664429102] [2020-10-14 02:41:44,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:41:44,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:41:44,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467139645] [2020-10-14 02:41:44,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:41:44,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:41:44,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:41:44,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:41:44,954 INFO L87 Difference]: Start difference. First operand 7426 states and 10226 transitions. Second operand 7 states. [2020-10-14 02:41:47,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:41:47,884 INFO L93 Difference]: Finished difference Result 17243 states and 24295 transitions. [2020-10-14 02:41:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:41:47,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 243 [2020-10-14 02:41:47,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:41:47,922 INFO L225 Difference]: With dead ends: 17243 [2020-10-14 02:41:47,922 INFO L226 Difference]: Without dead ends: 10011 [2020-10-14 02:41:47,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 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 02:41:47,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10011 states. [2020-10-14 02:41:48,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10011 to 9966. [2020-10-14 02:41:48,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9966 states. [2020-10-14 02:41:48,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9966 states to 9966 states and 13822 transitions. [2020-10-14 02:41:48,161 INFO L78 Accepts]: Start accepts. Automaton has 9966 states and 13822 transitions. Word has length 243 [2020-10-14 02:41:48,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:41:48,162 INFO L479 AbstractCegarLoop]: Abstraction has 9966 states and 13822 transitions. [2020-10-14 02:41:48,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:41:48,162 INFO L276 IsEmpty]: Start isEmpty. Operand 9966 states and 13822 transitions. [2020-10-14 02:41:48,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-14 02:41:48,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:41:48,181 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 02:41:48,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 02:41:48,182 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:41:48,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:41:48,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1090702368, now seen corresponding path program 1 times [2020-10-14 02:41:48,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:41:48,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669609484] [2020-10-14 02:41:48,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:41:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 02:41:48,242 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 02:41:48,242 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 02:41:48,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 02:41:48,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:41:48 BoogieIcfgContainer [2020-10-14 02:41:48,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:41:48,320 INFO L168 Benchmark]: Toolchain (without parser) took 51418.50 ms. Allocated memory was 147.8 MB in the beginning and 868.2 MB in the end (delta: 720.4 MB). Free memory was 100.6 MB in the beginning and 615.8 MB in the end (delta: -515.2 MB). Peak memory consumption was 205.2 MB. Max. memory is 7.1 GB. [2020-10-14 02:41:48,321 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 02:41:48,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1110.13 ms. Allocated memory was 147.8 MB in the beginning and 210.2 MB in the end (delta: 62.4 MB). Free memory was 100.4 MB in the beginning and 162.7 MB in the end (delta: -62.3 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. [2020-10-14 02:41:48,323 INFO L168 Benchmark]: Boogie Preprocessor took 156.58 ms. Allocated memory is still 210.2 MB. Free memory was 162.7 MB in the beginning and 155.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2020-10-14 02:41:48,327 INFO L168 Benchmark]: RCFGBuilder took 2243.61 ms. Allocated memory was 210.2 MB in the beginning and 240.6 MB in the end (delta: 30.4 MB). Free memory was 154.8 MB in the beginning and 96.0 MB in the end (delta: 58.9 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. [2020-10-14 02:41:48,327 INFO L168 Benchmark]: TraceAbstraction took 47902.58 ms. Allocated memory was 240.6 MB in the beginning and 868.2 MB in the end (delta: 627.6 MB). Free memory was 94.6 MB in the beginning and 615.8 MB in the end (delta: -521.2 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. [2020-10-14 02:41:48,334 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1110.13 ms. Allocated memory was 147.8 MB in the beginning and 210.2 MB in the end (delta: 62.4 MB). Free memory was 100.4 MB in the beginning and 162.7 MB in the end (delta: -62.3 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.58 ms. Allocated memory is still 210.2 MB. Free memory was 162.7 MB in the beginning and 155.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2243.61 ms. Allocated memory was 210.2 MB in the beginning and 240.6 MB in the end (delta: 30.4 MB). Free memory was 154.8 MB in the beginning and 96.0 MB in the end (delta: 58.9 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 47902.58 ms. Allocated memory was 240.6 MB in the beginning and 868.2 MB in the end (delta: 627.6 MB). Free memory was 94.6 MB in the beginning and 615.8 MB in the end (delta: -521.2 MB). Peak memory consumption was 106.4 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: 47.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 26.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 418 SDtfs, 5594 SDslu, 693 SDs, 0 SdLazy, 12378 SolverSat, 1625 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9966occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1584 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.7s InterpolantComputationTime, 1585 NumberOfCodeBlocks, 1585 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1326 ConstructedInterpolants, 0 QuantifiedInterpolants, 634368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 619/629 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...