/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:54:33,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:54:33,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:54:33,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:54:33,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:54:33,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:54:33,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:54:33,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:54:33,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:54:33,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:54:33,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:54:33,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:54:33,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:54:33,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:54:33,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:54:33,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:54:33,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:54:33,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:54:33,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:54:33,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:54:33,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:54:33,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:54:33,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:54:33,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:54:33,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:54:33,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:54:33,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:54:33,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:54:33,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:54:33,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:54:33,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:54:33,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:54:33,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:54:33,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:54:33,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:54:33,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:54:33,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:54:33,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:54:33,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:54:33,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:54:33,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:54:33,651 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 20:54:33,698 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:54:33,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:54:33,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:54:33,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:54:33,701 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:54:33,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:54:33,704 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:54:33,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:54:33,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:54:33,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:54:33,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:54:33,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:54:33,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:54:33,706 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:54:33,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:54:33,706 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:54:33,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:54:33,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:54:33,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:54:33,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:54:33,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:54:33,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:54:33,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:54:33,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:54:33,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:54:33,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:54:33,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:54:33,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:54:33,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:54:33,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:54:34,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:54:34,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:54:34,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:54:34,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:54:34,076 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:54:34,077 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label57.c [2020-10-14 20:54:34,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aba789287/063852a5dcac4497a1d75d82040816d1/FLAG145b4942d [2020-10-14 20:54:34,716 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:54:34,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label57.c [2020-10-14 20:54:34,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aba789287/063852a5dcac4497a1d75d82040816d1/FLAG145b4942d [2020-10-14 20:54:35,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aba789287/063852a5dcac4497a1d75d82040816d1 [2020-10-14 20:54:35,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:54:35,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:54:35,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:54:35,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:54:35,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:54:35,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:54:35" (1/1) ... [2020-10-14 20:54:35,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678b2c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:35, skipping insertion in model container [2020-10-14 20:54:35,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:54:35" (1/1) ... [2020-10-14 20:54:35,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:54:35,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:54:35,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:54:35,649 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:54:35,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:54:35,810 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:54:35,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:35 WrapperNode [2020-10-14 20:54:35,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:54:35,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:54:35,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:54:35,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:54:35,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:35" (1/1) ... [2020-10-14 20:54:35,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:35" (1/1) ... [2020-10-14 20:54:35,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:35" (1/1) ... [2020-10-14 20:54:35,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:35" (1/1) ... [2020-10-14 20:54:35,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:35" (1/1) ... [2020-10-14 20:54:35,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:35" (1/1) ... [2020-10-14 20:54:35,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:35" (1/1) ... [2020-10-14 20:54:35,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:54:35,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:54:35,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:54:35,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:54:35,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:35" (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 20:54:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:54:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:54:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:54:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:54:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:54:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:54:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:54:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:54:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:54:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:54:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:54:37,283 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:54:37,283 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:54:37,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:54:37 BoogieIcfgContainer [2020-10-14 20:54:37,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:54:37,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:54:37,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:54:37,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:54:37,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:54:35" (1/3) ... [2020-10-14 20:54:37,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760b7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:54:37, skipping insertion in model container [2020-10-14 20:54:37,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:35" (2/3) ... [2020-10-14 20:54:37,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760b7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:54:37, skipping insertion in model container [2020-10-14 20:54:37,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:54:37" (3/3) ... [2020-10-14 20:54:37,300 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label57.c [2020-10-14 20:54:37,314 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:54:37,323 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:54:37,341 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:54:37,372 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:54:37,373 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:54:37,373 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:54:37,373 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:54:37,373 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:54:37,374 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:54:37,374 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:54:37,374 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:54:37,404 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:54:37,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-14 20:54:37,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:37,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:37,412 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:37,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:37,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1937919393, now seen corresponding path program 1 times [2020-10-14 20:54:37,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:37,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661304339] [2020-10-14 20:54:37,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:37,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:37,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:37,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 20:54:37,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:37,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-10-14 20:54:37,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:37,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:37,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 20:54:37,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:54:37,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:37,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:37,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:37,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:37,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 20:54:37,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:37,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:37,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:37,973 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 20:54:37,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661304339] [2020-10-14 20:54:37,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:54:37,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:54:37,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793690790] [2020-10-14 20:54:37,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:54:37,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:37,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:54:37,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:54:38,001 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 20:54:39,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:39,484 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-14 20:54:39,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:39,486 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-14 20:54:39,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:39,517 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:54:39,517 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:54:39,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:39,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:54:39,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-14 20:54:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-14 20:54:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-14 20:54:39,644 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 12 [2020-10-14 20:54:39,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:39,644 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-14 20:54:39,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:54:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-14 20:54:39,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-14 20:54:39,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:39,648 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:39,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:54:39,649 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:39,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:39,649 INFO L82 PathProgramCache]: Analyzing trace with hash 621687810, now seen corresponding path program 1 times [2020-10-14 20:54:39,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:39,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975494197] [2020-10-14 20:54:39,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:39,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:39,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:40,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:40,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 20:54:40,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:40,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 531 [2020-10-14 20:54:40,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:40,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:54:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 20:54:40,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:40,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:40,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:40,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:40,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:40,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:40,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:54:40,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:40,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:40,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:40,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:40,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:40,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:40,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:40,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:40,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:40,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:54:40,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:40,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-14 20:54:40,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:40,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:40,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:40,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:40,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:54:40,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:40,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 20:54:40,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975494197] [2020-10-14 20:54:40,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:40,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:40,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226640544] [2020-10-14 20:54:40,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:40,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:40,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:40,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:40,523 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 5 states. [2020-10-14 20:54:41,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:41,694 INFO L93 Difference]: Finished difference Result 884 states and 1197 transitions. [2020-10-14 20:54:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:41,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-14 20:54:41,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:41,700 INFO L225 Difference]: With dead ends: 884 [2020-10-14 20:54:41,700 INFO L226 Difference]: Without dead ends: 592 [2020-10-14 20:54:41,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 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 20:54:41,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-14 20:54:41,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 588. [2020-10-14 20:54:41,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-14 20:54:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 756 transitions. [2020-10-14 20:54:41,739 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 756 transitions. Word has length 82 [2020-10-14 20:54:41,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:41,739 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 756 transitions. [2020-10-14 20:54:41,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:41,740 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 756 transitions. [2020-10-14 20:54:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 20:54:41,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:41,743 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:41,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:54:41,744 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:41,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:41,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1349205117, now seen corresponding path program 1 times [2020-10-14 20:54:41,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:41,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801074832] [2020-10-14 20:54:41,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:41,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:41,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:41,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-14 20:54:41,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:41,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-14 20:54:41,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:41,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:41,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:41,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:54:41,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 20:54:41,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:42,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:42,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:42,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:42,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:42,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:42,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:54:42,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:42,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:42,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:42,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:42,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:42,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:54:42,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:42,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 20:54:42,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:42,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:42,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:42,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:42,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:42,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:54:42,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801074832] [2020-10-14 20:54:42,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:42,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:42,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156478218] [2020-10-14 20:54:42,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:42,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:42,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:42,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:42,183 INFO L87 Difference]: Start difference. First operand 588 states and 756 transitions. Second operand 5 states. [2020-10-14 20:54:45,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:45,571 INFO L93 Difference]: Finished difference Result 1464 states and 1960 transitions. [2020-10-14 20:54:45,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:45,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-10-14 20:54:45,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:45,581 INFO L225 Difference]: With dead ends: 1464 [2020-10-14 20:54:45,582 INFO L226 Difference]: Without dead ends: 882 [2020-10-14 20:54:45,584 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 20:54:45,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-14 20:54:45,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 878. [2020-10-14 20:54:45,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-10-14 20:54:45,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1114 transitions. [2020-10-14 20:54:45,640 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1114 transitions. Word has length 91 [2020-10-14 20:54:45,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:45,641 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1114 transitions. [2020-10-14 20:54:45,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:45,641 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1114 transitions. [2020-10-14 20:54:45,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-14 20:54:45,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:45,650 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:45,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:54:45,651 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:45,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:45,651 INFO L82 PathProgramCache]: Analyzing trace with hash -719423413, now seen corresponding path program 1 times [2020-10-14 20:54:45,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:45,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215499468] [2020-10-14 20:54:45,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:45,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:45,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:46,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:46,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:46,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 20:54:46,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:46,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 858 [2020-10-14 20:54:46,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:46,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:46,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:46,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:54:46,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:54:46,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 20:54:46,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:46,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:46,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:46,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:46,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:46,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:54:46,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:46,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:46,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:46,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:46,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:46,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:46,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:46,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:46,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:46,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:54:46,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:46,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 20:54:46,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:46,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:46,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:46,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:54:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:46,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:46,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:46,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:54:46,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:46,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 20:54:46,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:46,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:46,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:46,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:46,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:46,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:47,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215499468] [2020-10-14 20:54:47,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:47,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:54:47,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380390220] [2020-10-14 20:54:47,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:54:47,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:47,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:54:47,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:54:47,034 INFO L87 Difference]: Start difference. First operand 878 states and 1114 transitions. Second operand 8 states. [2020-10-14 20:54:49,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:49,259 INFO L93 Difference]: Finished difference Result 2072 states and 2643 transitions. [2020-10-14 20:54:49,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:54:49,260 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 164 [2020-10-14 20:54:49,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:49,272 INFO L225 Difference]: With dead ends: 2072 [2020-10-14 20:54:49,273 INFO L226 Difference]: Without dead ends: 906 [2020-10-14 20:54:49,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-14 20:54:49,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-10-14 20:54:49,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 886. [2020-10-14 20:54:49,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-10-14 20:54:49,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1023 transitions. [2020-10-14 20:54:49,322 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1023 transitions. Word has length 164 [2020-10-14 20:54:49,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:49,325 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1023 transitions. [2020-10-14 20:54:49,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:54:49,325 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1023 transitions. [2020-10-14 20:54:49,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-14 20:54:49,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:49,336 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 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 20:54:49,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:54:49,336 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:49,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:49,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1869281917, now seen corresponding path program 1 times [2020-10-14 20:54:49,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:49,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944489378] [2020-10-14 20:54:49,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:49,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:49,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:50,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:50,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:50,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-14 20:54:50,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:50,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 899 [2020-10-14 20:54:50,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:50,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:54:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:54:50,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:50,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:50,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:50,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:50,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:50,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:50,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:50,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:50,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:50,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:50,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:50,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:50,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:54:50,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:50,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:50,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:50,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:54:50,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:50,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 20:54:50,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:50,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:50,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:50,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:50,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:54:50,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:50,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:54:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:50,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:50,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:50,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:54:50,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:50,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 20:54:50,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:50,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:50,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:50,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:50,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:54:50,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:54:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:50,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944489378] [2020-10-14 20:54:50,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:50,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:50,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717253947] [2020-10-14 20:54:50,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:50,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:50,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:50,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:50,743 INFO L87 Difference]: Start difference. First operand 886 states and 1023 transitions. Second operand 7 states. [2020-10-14 20:54:52,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:52,255 INFO L93 Difference]: Finished difference Result 2090 states and 2441 transitions. [2020-10-14 20:54:52,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:54:52,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2020-10-14 20:54:52,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:52,266 INFO L225 Difference]: With dead ends: 2090 [2020-10-14 20:54:52,266 INFO L226 Difference]: Without dead ends: 1059 [2020-10-14 20:54:52,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 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 20:54:52,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-10-14 20:54:52,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1039. [2020-10-14 20:54:52,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2020-10-14 20:54:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1205 transitions. [2020-10-14 20:54:52,322 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1205 transitions. Word has length 172 [2020-10-14 20:54:52,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:52,324 INFO L479 AbstractCegarLoop]: Abstraction has 1039 states and 1205 transitions. [2020-10-14 20:54:52,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1205 transitions. [2020-10-14 20:54:52,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-14 20:54:52,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:52,328 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-10-14 20:54:52,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:54:52,329 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:52,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:52,329 INFO L82 PathProgramCache]: Analyzing trace with hash -2036241508, now seen corresponding path program 1 times [2020-10-14 20:54:52,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:52,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343711526] [2020-10-14 20:54:52,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:52,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:52,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:53,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:53,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:55,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:55,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-14 20:54:55,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3311 [2020-10-14 20:54:55,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:55,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 20:54:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:54:55,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:55,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:55,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:55,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:55,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:55,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:55,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:55,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:55,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:55,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:55,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:55,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:55,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:55,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:55,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:55,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:54:55,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:55,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 20:54:55,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:55,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:55,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:55,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:55,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:54:55,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:55,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:54:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:55,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:56,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:56,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:54:56,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:56,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 20:54:56,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:56,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:56,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:56,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:56,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:54:56,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:56,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343711526] [2020-10-14 20:54:56,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:56,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:56,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462446484] [2020-10-14 20:54:56,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:56,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:56,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:56,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:56,138 INFO L87 Difference]: Start difference. First operand 1039 states and 1205 transitions. Second operand 7 states. [2020-10-14 20:54:57,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:57,541 INFO L93 Difference]: Finished difference Result 2394 states and 2806 transitions. [2020-10-14 20:54:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:54:57,542 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2020-10-14 20:54:57,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:57,550 INFO L225 Difference]: With dead ends: 2394 [2020-10-14 20:54:57,552 INFO L226 Difference]: Without dead ends: 1216 [2020-10-14 20:54:57,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:57,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2020-10-14 20:54:57,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1198. [2020-10-14 20:54:57,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2020-10-14 20:54:57,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1387 transitions. [2020-10-14 20:54:57,598 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1387 transitions. Word has length 179 [2020-10-14 20:54:57,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:57,599 INFO L479 AbstractCegarLoop]: Abstraction has 1198 states and 1387 transitions. [2020-10-14 20:54:57,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1387 transitions. [2020-10-14 20:54:57,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-14 20:54:57,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:57,603 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:54:57,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:54:57,603 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:57,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:57,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1765930408, now seen corresponding path program 1 times [2020-10-14 20:54:57,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:57,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499307150] [2020-10-14 20:54:57,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:57,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:57,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:58,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:58,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:00,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:00,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-14 20:55:00,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:55:00,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3182 [2020-10-14 20:55:00,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:00,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 20:55:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:55:00,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:00,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:00,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:00,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:00,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:00,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:00,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:55:00,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:00,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:00,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:00,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:00,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:01,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:01,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:55:01,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:01,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 20:55:01,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:01,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:01,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:01,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:01,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:55:01,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:01,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 20:55:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:01,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:01,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:01,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:55:01,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:01,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 20:55:01,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:01,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:55:01,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:55:01,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499307150] [2020-10-14 20:55:01,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:01,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:01,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514982845] [2020-10-14 20:55:01,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:01,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:01,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:01,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:01,296 INFO L87 Difference]: Start difference. First operand 1198 states and 1387 transitions. Second operand 7 states. [2020-10-14 20:55:02,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:02,997 INFO L93 Difference]: Finished difference Result 3431 states and 4060 transitions. [2020-10-14 20:55:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:55:02,999 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 189 [2020-10-14 20:55:02,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:03,012 INFO L225 Difference]: With dead ends: 3431 [2020-10-14 20:55:03,012 INFO L226 Difference]: Without dead ends: 2094 [2020-10-14 20:55:03,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:55:03,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2094 states. [2020-10-14 20:55:03,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2094 to 2078. [2020-10-14 20:55:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2078 states. [2020-10-14 20:55:03,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 2381 transitions. [2020-10-14 20:55:03,076 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 2381 transitions. Word has length 189 [2020-10-14 20:55:03,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:03,077 INFO L479 AbstractCegarLoop]: Abstraction has 2078 states and 2381 transitions. [2020-10-14 20:55:03,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:03,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2381 transitions. [2020-10-14 20:55:03,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-14 20:55:03,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:03,082 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:03,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:55:03,082 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:03,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:03,082 INFO L82 PathProgramCache]: Analyzing trace with hash 235968425, now seen corresponding path program 1 times [2020-10-14 20:55:03,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:03,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203715832] [2020-10-14 20:55:03,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:03,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:03,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:03,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:03,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:07,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:07,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-14 20:55:07,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:55:07,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4494 [2020-10-14 20:55:07,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:07,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:07,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:07,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 20:55:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:55:07,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:07,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:07,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:07,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:07,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:07,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:07,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:07,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:07,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:07,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:07,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:07,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:07,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:07,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:55:07,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:07,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 20:55:07,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:07,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:07,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:55:07,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:07,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 20:55:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:07,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:08,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:08,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:55:08,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:08,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-14 20:55:08,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:08,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:08,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:08,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:08,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:55:08,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:55:08,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203715832] [2020-10-14 20:55:08,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:08,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:08,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568164144] [2020-10-14 20:55:08,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:08,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:08,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:08,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:08,160 INFO L87 Difference]: Start difference. First operand 2078 states and 2381 transitions. Second operand 7 states. [2020-10-14 20:55:09,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:09,576 INFO L93 Difference]: Finished difference Result 5183 states and 6073 transitions. [2020-10-14 20:55:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:55:09,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 198 [2020-10-14 20:55:09,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:09,597 INFO L225 Difference]: With dead ends: 5183 [2020-10-14 20:55:09,597 INFO L226 Difference]: Without dead ends: 3111 [2020-10-14 20:55:09,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:09,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3111 states. [2020-10-14 20:55:09,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3111 to 2807. [2020-10-14 20:55:09,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2807 states. [2020-10-14 20:55:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3263 transitions. [2020-10-14 20:55:09,680 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3263 transitions. Word has length 198 [2020-10-14 20:55:09,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:09,681 INFO L479 AbstractCegarLoop]: Abstraction has 2807 states and 3263 transitions. [2020-10-14 20:55:09,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3263 transitions. [2020-10-14 20:55:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-14 20:55:09,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:09,689 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 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] [2020-10-14 20:55:09,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:55:09,689 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:09,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:09,690 INFO L82 PathProgramCache]: Analyzing trace with hash 973116427, now seen corresponding path program 1 times [2020-10-14 20:55:09,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:09,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435058034] [2020-10-14 20:55:09,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:09,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:10,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:10,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-14 20:55:10,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:10,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 614 [2020-10-14 20:55:10,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:10,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 20:55:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:55:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 20:55:10,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:10,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:10,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:10,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:10,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:10,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:10,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:10,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:10,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:10,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:10,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:10,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:10,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:10,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:10,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:10,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:10,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:55:10,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:10,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 20:55:10,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:10,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:10,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:10,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:10,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:55:10,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:10,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:55:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:10,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:10,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:10,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 20:55:10,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:10,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-14 20:55:10,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:10,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:10,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 20:55:10,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:10,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:55:10,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:11,290 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 119 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:55:11,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435058034] [2020-10-14 20:55:11,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:11,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:55:11,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599416624] [2020-10-14 20:55:11,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:55:11,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:11,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:55:11,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:55:11,308 INFO L87 Difference]: Start difference. First operand 2807 states and 3263 transitions. Second operand 8 states. [2020-10-14 20:55:13,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:13,813 INFO L93 Difference]: Finished difference Result 8093 states and 9561 transitions. [2020-10-14 20:55:13,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:55:13,814 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 268 [2020-10-14 20:55:13,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:13,836 INFO L225 Difference]: With dead ends: 8093 [2020-10-14 20:55:13,837 INFO L226 Difference]: Without dead ends: 5147 [2020-10-14 20:55:13,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-14 20:55:13,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5147 states. [2020-10-14 20:55:13,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5147 to 4843. [2020-10-14 20:55:13,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4843 states. [2020-10-14 20:55:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4843 states to 4843 states and 5656 transitions. [2020-10-14 20:55:13,966 INFO L78 Accepts]: Start accepts. Automaton has 4843 states and 5656 transitions. Word has length 268 [2020-10-14 20:55:13,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:13,967 INFO L479 AbstractCegarLoop]: Abstraction has 4843 states and 5656 transitions. [2020-10-14 20:55:13,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:55:13,967 INFO L276 IsEmpty]: Start isEmpty. Operand 4843 states and 5656 transitions. [2020-10-14 20:55:13,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-14 20:55:13,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:13,978 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:13,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:55:13,978 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:13,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:13,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1978111871, now seen corresponding path program 1 times [2020-10-14 20:55:13,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:13,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612391318] [2020-10-14 20:55:13,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:14,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:14,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:14,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:16,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:16,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-10-14 20:55:16,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:55:16,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2027 [2020-10-14 20:55:16,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:16,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:16,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:55:16,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-14 20:55:16,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:16,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:16,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:16,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:16,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:16,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:16,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:55:16,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:16,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:16,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:16,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:16,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:16,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:16,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:16,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:16,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:55:16,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:16,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 20:55:16,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:16,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:55:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:16,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:55:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:16,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:16,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:16,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 20:55:16,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:16,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-14 20:55:16,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:16,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:16,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:16,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:16,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:55:16,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:16,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 20:55:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:16,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:16,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:16,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:55:16,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:16,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 20:55:16,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:16,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:16,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:16,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-14 20:55:16,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:16,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 86 proven. 89 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 20:55:16,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1612391318] [2020-10-14 20:55:16,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:16,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:16,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173606646] [2020-10-14 20:55:16,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:16,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:16,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:16,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:16,763 INFO L87 Difference]: Start difference. First operand 4843 states and 5656 transitions. Second operand 7 states. [2020-10-14 20:55:18,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:18,207 INFO L93 Difference]: Finished difference Result 9704 states and 11354 transitions. [2020-10-14 20:55:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:55:18,208 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 293 [2020-10-14 20:55:18,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:18,229 INFO L225 Difference]: With dead ends: 9704 [2020-10-14 20:55:18,229 INFO L226 Difference]: Without dead ends: 4867 [2020-10-14 20:55:18,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:55:18,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4867 states. [2020-10-14 20:55:18,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4867 to 4422. [2020-10-14 20:55:18,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4422 states. [2020-10-14 20:55:18,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4422 states to 4422 states and 5109 transitions. [2020-10-14 20:55:18,357 INFO L78 Accepts]: Start accepts. Automaton has 4422 states and 5109 transitions. Word has length 293 [2020-10-14 20:55:18,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:18,357 INFO L479 AbstractCegarLoop]: Abstraction has 4422 states and 5109 transitions. [2020-10-14 20:55:18,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:18,358 INFO L276 IsEmpty]: Start isEmpty. Operand 4422 states and 5109 transitions. [2020-10-14 20:55:18,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-10-14 20:55:18,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:18,370 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:18,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:55:18,371 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:18,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:18,372 INFO L82 PathProgramCache]: Analyzing trace with hash 628726589, now seen corresponding path program 1 times [2020-10-14 20:55:18,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:18,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [514887056] [2020-10-14 20:55:18,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:18,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:18,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:18,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:23,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:23,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-14 20:55:23,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:55:23,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 20:55:23,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:23,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:23,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:23,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-14 20:55:23,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:55:23,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:23,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:23,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:23,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:23,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:23,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:23,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:23,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:23,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:23,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:23,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:23,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:23,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:23,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:55:23,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:23,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 20:55:23,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:23,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:23,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:23,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:23,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:23,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:23,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 20:55:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:23,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:23,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:23,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 20:55:23,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:23,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 20:55:23,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:23,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:23,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:23,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:23,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-14 20:55:23,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:23,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 20:55:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:23,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:23,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:23,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:55:23,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:23,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 20:55:23,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:23,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:23,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:23,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:23,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:55:23,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-14 20:55:23,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [514887056] [2020-10-14 20:55:23,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:23,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:23,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644664140] [2020-10-14 20:55:23,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:23,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:23,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:23,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:23,903 INFO L87 Difference]: Start difference. First operand 4422 states and 5109 transitions. Second operand 7 states. [2020-10-14 20:55:25,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:25,385 INFO L93 Difference]: Finished difference Result 9855 states and 11428 transitions. [2020-10-14 20:55:25,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:55:25,385 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 299 [2020-10-14 20:55:25,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:25,406 INFO L225 Difference]: With dead ends: 9855 [2020-10-14 20:55:25,407 INFO L226 Difference]: Without dead ends: 5439 [2020-10-14 20:55:25,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:55:25,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5439 states. [2020-10-14 20:55:25,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5439 to 5002. [2020-10-14 20:55:25,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5002 states. [2020-10-14 20:55:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5002 states to 5002 states and 5832 transitions. [2020-10-14 20:55:25,540 INFO L78 Accepts]: Start accepts. Automaton has 5002 states and 5832 transitions. Word has length 299 [2020-10-14 20:55:25,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:25,540 INFO L479 AbstractCegarLoop]: Abstraction has 5002 states and 5832 transitions. [2020-10-14 20:55:25,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:25,541 INFO L276 IsEmpty]: Start isEmpty. Operand 5002 states and 5832 transitions. [2020-10-14 20:55:25,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-14 20:55:25,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:25,555 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:55:25,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:55:25,556 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:25,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:25,556 INFO L82 PathProgramCache]: Analyzing trace with hash -269171499, now seen corresponding path program 1 times [2020-10-14 20:55:25,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:25,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392646513] [2020-10-14 20:55:25,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:25,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:25,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:26,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:26,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:30,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:30,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-14 20:55:30,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:55:30,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4528 [2020-10-14 20:55:30,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:30,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 20:55:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-14 20:55:30,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:30,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:30,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:30,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:30,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:30,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:30,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:30,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:30,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:30,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:30,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:30,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:30,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:30,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 20:55:30,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:30,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 20:55:30,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:30,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:55:30,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:30,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 20:55:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:30,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:30,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:30,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 20:55:30,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 20:55:30,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:30,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:55:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:30,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-14 20:55:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:30,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:30,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:30,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:55:30,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:30,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 20:55:30,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:30,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-14 20:55:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:30,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 112 proven. 89 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-14 20:55:30,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392646513] [2020-10-14 20:55:30,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:30,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:30,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395051132] [2020-10-14 20:55:30,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:30,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:30,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:30,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:30,553 INFO L87 Difference]: Start difference. First operand 5002 states and 5832 transitions. Second operand 7 states. [2020-10-14 20:55:32,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:32,199 INFO L93 Difference]: Finished difference Result 10010 states and 11684 transitions. [2020-10-14 20:55:32,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:55:32,200 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 319 [2020-10-14 20:55:32,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:32,224 INFO L225 Difference]: With dead ends: 10010 [2020-10-14 20:55:32,224 INFO L226 Difference]: Without dead ends: 5014 [2020-10-14 20:55:32,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:55:32,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5014 states. [2020-10-14 20:55:32,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5014 to 5002. [2020-10-14 20:55:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5002 states. [2020-10-14 20:55:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5002 states to 5002 states and 5543 transitions. [2020-10-14 20:55:32,407 INFO L78 Accepts]: Start accepts. Automaton has 5002 states and 5543 transitions. Word has length 319 [2020-10-14 20:55:32,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:32,410 INFO L479 AbstractCegarLoop]: Abstraction has 5002 states and 5543 transitions. [2020-10-14 20:55:32,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:32,411 INFO L276 IsEmpty]: Start isEmpty. Operand 5002 states and 5543 transitions. [2020-10-14 20:55:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-10-14 20:55:32,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:32,422 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 20:55:32,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:55:32,422 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:32,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:32,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1229870616, now seen corresponding path program 1 times [2020-10-14 20:55:32,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:32,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1664275520] [2020-10-14 20:55:32,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 20:55:32,484 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 20:55:32,484 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 20:55:32,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 20:55:32,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:55:32 BoogieIcfgContainer [2020-10-14 20:55:32,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:55:32,578 INFO L168 Benchmark]: Toolchain (without parser) took 57524.29 ms. Allocated memory was 144.7 MB in the beginning and 1.0 GB in the end (delta: 863.0 MB). Free memory was 99.4 MB in the beginning and 911.1 MB in the end (delta: -811.7 MB). Peak memory consumption was 51.3 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:32,578 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 119.2 MB in the beginning and 118.8 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 20:55:32,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.24 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.0 MB in the beginning and 168.3 MB in the end (delta: -69.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:32,580 INFO L168 Benchmark]: Boogie Preprocessor took 115.64 ms. Allocated memory is still 202.4 MB. Free memory was 168.3 MB in the beginning and 163.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:32,583 INFO L168 Benchmark]: RCFGBuilder took 1362.39 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 163.2 MB in the beginning and 179.0 MB in the end (delta: -15.9 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:32,587 INFO L168 Benchmark]: TraceAbstraction took 55277.60 ms. Allocated memory was 233.3 MB in the beginning and 1.0 GB in the end (delta: 774.4 MB). Free memory was 179.0 MB in the beginning and 911.1 MB in the end (delta: -732.1 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:32,594 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 119.2 MB in the beginning and 118.8 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 763.24 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.0 MB in the beginning and 168.3 MB in the end (delta: -69.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.64 ms. Allocated memory is still 202.4 MB. Free memory was 168.3 MB in the beginning and 163.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1362.39 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 163.2 MB in the beginning and 179.0 MB in the end (delta: -15.9 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55277.60 ms. Allocated memory was 233.3 MB in the beginning and 1.0 GB in the end (delta: 774.4 MB). Free memory was 179.0 MB in the beginning and 911.1 MB in the end (delta: -732.1 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputC = 3; [L8] int inputD = 4; [L9] int inputE = 5; [L10] int inputF = 6; [L11] int inputB = 2; [L14] int a1 = 23; [L15] int a19 = 9; [L16] int a10 = 0; [L17] int a12 = 0; [L18] int a4 = 14; [L579] int output = -1; [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L340] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L345] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L351] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L354] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L357] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L360] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L365] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L370] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L375] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L378] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L383] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L388] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L393] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L398] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L403] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L408] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L414] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L419] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L425] COND TRUE ((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0)) [L426] a1 = ((((a1 / 5) * 5) / 5) + 505228) [L427] a10 = 1 [L429] return 25; [L590] RET, EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND TRUE ((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14))))) [L222] a19 = 10 [L224] return 25; [L590] RET, EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L340] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L345] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L351] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L354] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L357] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L360] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L365] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L370] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L375] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L378] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L383] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L388] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L393] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L398] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L403] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L408] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L414] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L419] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L425] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L430] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L436] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L442] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L448] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L454] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L460] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L465] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) [L471] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) [L476] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) [L481] COND FALSE !((((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10))) [L487] COND FALSE !((((a19==10) && ((a10==1) && ((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (input == 5))))) && (a4==14))) [L493] COND TRUE ((((a10==1) && (((input == 5) && 218 < a1 ) && (a4==14))) && (a19==10)) && (a12==0)) [L494] a1 = (((((a1 % 89)- -93) * 5) % 89)- -56) [L495] a10 = 4 [L496] a19 = 8 [L498] return -1; [L590] RET, EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL calculate_output(input) [L21] COND TRUE (((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8)) [L22] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 55.1s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 21.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 345 SDtfs, 5149 SDslu, 374 SDs, 0 SdLazy, 10990 SolverSat, 1653 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 15.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5002occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 1588 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 30.7s InterpolantComputationTime, 2592 NumberOfCodeBlocks, 2592 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2254 ConstructedInterpolants, 0 QuantifiedInterpolants, 1429573 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 1212/1409 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...