/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_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:51:46,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:51:46,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:51:46,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:51:46,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:51:46,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:51:46,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:51:46,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:51:46,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:51:46,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:51:46,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:51:46,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:51:46,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:51:46,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:51:46,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:51:46,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:51:46,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:51:46,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:51:46,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:51:46,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:51:46,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:51:46,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:51:46,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:51:46,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:51:46,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:51:46,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:51:46,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:51:46,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:51:46,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:51:46,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:51:46,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:51:46,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:51:46,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:51:46,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:51:46,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:51:46,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:51:46,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:51:46,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:51:46,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:51:46,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:51:46,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:51:46,808 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 20:51:46,847 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:51:46,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:51:46,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:51:46,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:51:46,849 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:51:46,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:51:46,850 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:51:46,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:51:46,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:51:46,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:51:46,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:51:46,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:51:46,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:51:46,852 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:51:46,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:51:46,852 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:51:46,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:51:46,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:51:46,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:51:46,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:51:46,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:51:46,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:51:46,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:51:46,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:51:46,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:51:46,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:51:46,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:51:46,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:51:46,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:51:46,856 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 20:51:47,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:51:47,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:51:47,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:51:47,143 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:51:47,144 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:51:47,144 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label15.c [2020-10-14 20:51:47,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d26038274/f725b40342684078b9870d4bd6d2b873/FLAG9b291cb18 [2020-10-14 20:51:47,719 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:51:47,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label15.c [2020-10-14 20:51:47,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d26038274/f725b40342684078b9870d4bd6d2b873/FLAG9b291cb18 [2020-10-14 20:51:47,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d26038274/f725b40342684078b9870d4bd6d2b873 [2020-10-14 20:51:47,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:51:47,973 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:51:47,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:51:47,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:51:47,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:51:47,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:51:47" (1/1) ... [2020-10-14 20:51:47,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d228d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:47, skipping insertion in model container [2020-10-14 20:51:47,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:51:47" (1/1) ... [2020-10-14 20:51:47,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:51:48,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:51:48,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:51:48,565 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:51:48,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:51:48,682 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:51:48,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:48 WrapperNode [2020-10-14 20:51:48,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:51:48,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:51:48,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:51:48,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:51:48,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:48" (1/1) ... [2020-10-14 20:51:48,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:48" (1/1) ... [2020-10-14 20:51:48,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:48" (1/1) ... [2020-10-14 20:51:48,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:48" (1/1) ... [2020-10-14 20:51:48,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:48" (1/1) ... [2020-10-14 20:51:48,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:48" (1/1) ... [2020-10-14 20:51:48,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:48" (1/1) ... [2020-10-14 20:51:48,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:51:48,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:51:48,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:51:48,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:51:48,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:48" (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 20:51:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:51:48,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:51:48,870 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:51:48,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:51:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:51:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:51:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:51:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:51:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:51:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:51:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:51:50,031 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:51:50,031 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:51:50,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:51:50 BoogieIcfgContainer [2020-10-14 20:51:50,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:51:50,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:51:50,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:51:50,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:51:50,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:51:47" (1/3) ... [2020-10-14 20:51:50,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467d4b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:51:50, skipping insertion in model container [2020-10-14 20:51:50,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:51:48" (2/3) ... [2020-10-14 20:51:50,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@467d4b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:51:50, skipping insertion in model container [2020-10-14 20:51:50,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:51:50" (3/3) ... [2020-10-14 20:51:50,045 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label15.c [2020-10-14 20:51:50,057 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:51:50,066 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:51:50,082 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:51:50,111 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:51:50,112 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:51:50,112 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:51:50,112 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:51:50,112 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:51:50,113 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:51:50,113 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:51:50,113 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:51:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:51:50,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-14 20:51:50,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:51:50,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:51:50,147 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:51:50,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:51:50,154 INFO L82 PathProgramCache]: Analyzing trace with hash -553937361, now seen corresponding path program 1 times [2020-10-14 20:51:50,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:51:50,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121940282] [2020-10-14 20:51:50,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:51:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:50,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:50,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:50,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 20:51:50,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:50,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-14 20:51:50,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:50,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:50,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:51:50,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:51:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 20:51:50,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 20:51:50,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:51:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:50,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:50,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:50,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:51:50,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:50,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 20:51:50,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:50,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:50,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:51:50,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:50,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:51:50,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:50,732 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 20:51:50,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121940282] [2020-10-14 20:51:50,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:51:50,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:51:50,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861780592] [2020-10-14 20:51:50,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:51:50,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:51:50,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:51:50,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:51:50,757 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 20:51:52,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:51:52,112 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-14 20:51:52,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:51:52,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-14 20:51:52,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:51:52,136 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:51:52,136 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:51:52,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:51:52,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:51:52,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-14 20:51:52,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-14 20:51:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-14 20:51:52,211 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 16 [2020-10-14 20:51:52,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:51:52,211 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-14 20:51:52,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:51:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-14 20:51:52,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 20:51:52,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:51:52,216 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:51:52,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:51:52,217 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:51:52,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:51:52,217 INFO L82 PathProgramCache]: Analyzing trace with hash 2065323538, now seen corresponding path program 1 times [2020-10-14 20:51:52,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:51:52,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585675477] [2020-10-14 20:51:52,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:51:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:52,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:52,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:52,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:52,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 20:51:52,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:51:52,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 579 [2020-10-14 20:51:52,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:52,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:51:52,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:51:52,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 20:51:52,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:51:52,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:51:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:52,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:52,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:52,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:51:52,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:52,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:51:52,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:52,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:52,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:51:52,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:52,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:51:52,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:52,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:51:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:52,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:53,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:53,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:53,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:51:53,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:51:53,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-14 20:51:53,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:53,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:51:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:51:53,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 20:51:53,244 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 20:51:53,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585675477] [2020-10-14 20:51:53,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:51:53,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:51:53,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563379350] [2020-10-14 20:51:53,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:51:53,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:51:53,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:51:53,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:51:53,251 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 6 states. [2020-10-14 20:51:54,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:51:54,854 INFO L93 Difference]: Finished difference Result 884 states and 1201 transitions. [2020-10-14 20:51:54,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:51:54,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 86 [2020-10-14 20:51:54,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:51:54,861 INFO L225 Difference]: With dead ends: 884 [2020-10-14 20:51:54,861 INFO L226 Difference]: Without dead ends: 882 [2020-10-14 20:51:54,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:51:54,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-14 20:51:54,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 590. [2020-10-14 20:51:54,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-14 20:51:54,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 850 transitions. [2020-10-14 20:51:54,919 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 850 transitions. Word has length 86 [2020-10-14 20:51:54,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:51:54,920 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 850 transitions. [2020-10-14 20:51:54,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:51:54,920 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 850 transitions. [2020-10-14 20:51:54,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-14 20:51:54,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:51:54,933 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:51:54,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:51:54,933 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:51:54,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:51:54,934 INFO L82 PathProgramCache]: Analyzing trace with hash -804126086, now seen corresponding path program 1 times [2020-10-14 20:51:54,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:51:54,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016316105] [2020-10-14 20:51:54,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:51:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:55,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:55,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:56,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:56,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-14 20:51:56,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:51:56,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1479 [2020-10-14 20:51:56,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:56,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:56,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:51:56,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:51:56,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:51:56,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:56,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:51:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:56,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:56,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:56,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:51:56,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:56,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:51:56,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:56,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:51:56,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:56,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:51:56,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:56,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:51:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:56,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:56,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:56,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:51:56,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:56,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 20:51:56,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:56,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:51:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:51:56,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:56,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:51:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:56,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:56,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:56,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:51:56,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:56,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-14 20:51:56,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:56,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:51:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:51:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:51:56,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:51:57,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016316105] [2020-10-14 20:51:57,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:51:57,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:51:57,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676574754] [2020-10-14 20:51:57,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:51:57,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:51:57,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:51:57,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:51:57,151 INFO L87 Difference]: Start difference. First operand 590 states and 850 transitions. Second operand 8 states. [2020-10-14 20:51:58,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:51:58,647 INFO L93 Difference]: Finished difference Result 1492 states and 2230 transitions. [2020-10-14 20:51:58,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:51:58,647 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2020-10-14 20:51:58,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:51:58,655 INFO L225 Difference]: With dead ends: 1492 [2020-10-14 20:51:58,655 INFO L226 Difference]: Without dead ends: 908 [2020-10-14 20:51:58,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:51:58,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-14 20:51:58,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 747. [2020-10-14 20:51:58,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-10-14 20:51:58,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1060 transitions. [2020-10-14 20:51:58,701 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1060 transitions. Word has length 205 [2020-10-14 20:51:58,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:51:58,702 INFO L479 AbstractCegarLoop]: Abstraction has 747 states and 1060 transitions. [2020-10-14 20:51:58,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:51:58,702 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1060 transitions. [2020-10-14 20:51:58,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-14 20:51:58,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:51:58,717 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:51:58,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:51:58,717 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:51:58,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:51:58,717 INFO L82 PathProgramCache]: Analyzing trace with hash 501004942, now seen corresponding path program 1 times [2020-10-14 20:51:58,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:51:58,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286337719] [2020-10-14 20:51:58,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:51:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:58,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:59,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:59,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:59,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-14 20:51:59,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:51:59,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1059 [2020-10-14 20:51:59,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:59,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:59,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:51:59,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:51:59,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 203 [2020-10-14 20:51:59,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:59,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:51:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:59,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:51:59,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:51:59,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:51:59,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:51:59,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 20:51:59,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:51:59,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:51:59,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:51:59,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:51:59,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:51:59,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:51:59,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:51:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:51:59,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:00,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:00,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:00,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:00,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:00,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-14 20:52:00,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:00,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:00,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:00,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:00,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:00,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:52:00,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:00,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-14 20:52:00,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:00,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:00,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:00,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:00,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 20:52:00,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:00,486 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 20:52:00,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286337719] [2020-10-14 20:52:00,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:00,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:00,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845029992] [2020-10-14 20:52:00,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:00,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:00,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:00,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:00,495 INFO L87 Difference]: Start difference. First operand 747 states and 1060 transitions. Second operand 7 states. [2020-10-14 20:52:01,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:01,708 INFO L93 Difference]: Finished difference Result 1822 states and 2681 transitions. [2020-10-14 20:52:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:52:01,709 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-10-14 20:52:01,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:01,719 INFO L225 Difference]: With dead ends: 1822 [2020-10-14 20:52:01,719 INFO L226 Difference]: Without dead ends: 1081 [2020-10-14 20:52:01,723 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 20:52:01,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2020-10-14 20:52:01,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1049. [2020-10-14 20:52:01,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1049 states. [2020-10-14 20:52:01,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1343 transitions. [2020-10-14 20:52:01,789 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1343 transitions. Word has length 211 [2020-10-14 20:52:01,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:01,791 INFO L479 AbstractCegarLoop]: Abstraction has 1049 states and 1343 transitions. [2020-10-14 20:52:01,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1343 transitions. [2020-10-14 20:52:01,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-14 20:52:01,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:01,796 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:01,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:52:01,796 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:01,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:01,797 INFO L82 PathProgramCache]: Analyzing trace with hash 875342011, now seen corresponding path program 1 times [2020-10-14 20:52:01,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:01,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071264183] [2020-10-14 20:52:01,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:01,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:01,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:02,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:05,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:05,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-14 20:52:05,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:52:05,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3627 [2020-10-14 20:52:05,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:05,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:05,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:05,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 20:52:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:52:05,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:05,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:05,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:05,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:05,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:05,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:05,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:05,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:05,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:05,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:05,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:05,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:05,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:05,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:05,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:05,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:05,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:52:05,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:05,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 20:52:05,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:05,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:05,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:05,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:05,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:52:05,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:52:05,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:52:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:05,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:05,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:05,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:05,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:05,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-14 20:52:05,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:05,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:52:05,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:52:06,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071264183] [2020-10-14 20:52:06,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:06,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:06,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272878550] [2020-10-14 20:52:06,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:06,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:06,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:06,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:06,162 INFO L87 Difference]: Start difference. First operand 1049 states and 1343 transitions. Second operand 8 states. [2020-10-14 20:52:07,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:07,913 INFO L93 Difference]: Finished difference Result 2994 states and 3921 transitions. [2020-10-14 20:52:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:07,914 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-10-14 20:52:07,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:07,925 INFO L225 Difference]: With dead ends: 2994 [2020-10-14 20:52:07,926 INFO L226 Difference]: Without dead ends: 1951 [2020-10-14 20:52:07,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:52:07,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2020-10-14 20:52:07,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1506. [2020-10-14 20:52:07,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1506 states. [2020-10-14 20:52:07,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 1947 transitions. [2020-10-14 20:52:07,982 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 1947 transitions. Word has length 212 [2020-10-14 20:52:07,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:07,983 INFO L479 AbstractCegarLoop]: Abstraction has 1506 states and 1947 transitions. [2020-10-14 20:52:07,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1947 transitions. [2020-10-14 20:52:07,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-14 20:52:07,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:07,987 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:07,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:52:07,988 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:07,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:07,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1175445551, now seen corresponding path program 1 times [2020-10-14 20:52:07,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:07,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534933249] [2020-10-14 20:52:07,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:08,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:08,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:10,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:10,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-14 20:52:10,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:10,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2357 [2020-10-14 20:52:10,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:10,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:10,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:52:10,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:52:10,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:10,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:10,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:10,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:10,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:10,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:10,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:52:10,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:10,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:10,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:10,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:10,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:52:10,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:10,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:10,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:10,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:10,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:52:10,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:10,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 20:52:10,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:10,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:52:10,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:10,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 20:52:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:10,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:10,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:10,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:10,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:10,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 20:52:10,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:10,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 20:52:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:10,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:52:10,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534933249] [2020-10-14 20:52:10,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:10,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:10,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090516989] [2020-10-14 20:52:10,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:10,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:10,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:10,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:10,969 INFO L87 Difference]: Start difference. First operand 1506 states and 1947 transitions. Second operand 7 states. [2020-10-14 20:52:12,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:12,088 INFO L93 Difference]: Finished difference Result 3169 states and 4086 transitions. [2020-10-14 20:52:12,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:52:12,089 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2020-10-14 20:52:12,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:12,098 INFO L225 Difference]: With dead ends: 3169 [2020-10-14 20:52:12,099 INFO L226 Difference]: Without dead ends: 1669 [2020-10-14 20:52:12,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:52:12,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2020-10-14 20:52:12,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1651. [2020-10-14 20:52:12,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1651 states. [2020-10-14 20:52:12,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 2109 transitions. [2020-10-14 20:52:12,145 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 2109 transitions. Word has length 222 [2020-10-14 20:52:12,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:12,145 INFO L479 AbstractCegarLoop]: Abstraction has 1651 states and 2109 transitions. [2020-10-14 20:52:12,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:12,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2109 transitions. [2020-10-14 20:52:12,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-14 20:52:12,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:12,152 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:12,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:52:12,153 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:12,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:12,153 INFO L82 PathProgramCache]: Analyzing trace with hash -764424494, now seen corresponding path program 1 times [2020-10-14 20:52:12,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:12,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16957757] [2020-10-14 20:52:12,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:12,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:12,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:13,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:13,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-14 20:52:13,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:13,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1177 [2020-10-14 20:52:13,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:13,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:52:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 20:52:13,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:13,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:13,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:13,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:13,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:13,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:13,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:13,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:13,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:13,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:13,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:13,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:13,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:13,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:13,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:13,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:13,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:52:13,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:13,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 20:52:13,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:13,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:52:13,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:13,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:52:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:13,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:13,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:13,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:52:13,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:13,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 20:52:13,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:13,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:52:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:13,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 20:52:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:13,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:13,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:13,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:13,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:13,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 20:52:13,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:13,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:13,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:13,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 20:52:13,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:13,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:14,032 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 98 proven. 86 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 20:52:14,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16957757] [2020-10-14 20:52:14,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:14,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:14,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272385631] [2020-10-14 20:52:14,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:14,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:14,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:14,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:14,037 INFO L87 Difference]: Start difference. First operand 1651 states and 2109 transitions. Second operand 7 states. [2020-10-14 20:52:16,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:16,067 INFO L93 Difference]: Finished difference Result 3600 states and 4626 transitions. [2020-10-14 20:52:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:16,068 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 292 [2020-10-14 20:52:16,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:16,077 INFO L225 Difference]: With dead ends: 3600 [2020-10-14 20:52:16,077 INFO L226 Difference]: Without dead ends: 2098 [2020-10-14 20:52:16,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:52:16,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2020-10-14 20:52:16,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 1800. [2020-10-14 20:52:16,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1800 states. [2020-10-14 20:52:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2193 transitions. [2020-10-14 20:52:16,129 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2193 transitions. Word has length 292 [2020-10-14 20:52:16,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:16,129 INFO L479 AbstractCegarLoop]: Abstraction has 1800 states and 2193 transitions. [2020-10-14 20:52:16,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:16,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2193 transitions. [2020-10-14 20:52:16,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-14 20:52:16,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:16,137 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:16,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:52:16,137 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:16,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:16,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1821597804, now seen corresponding path program 1 times [2020-10-14 20:52:16,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:16,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1931418071] [2020-10-14 20:52:16,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:16,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:16,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:16,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:17,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:17,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:17,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-14 20:52:17,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:52:17,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1472 [2020-10-14 20:52:17,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:17,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:52:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-14 20:52:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:17,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:17,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:17,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:17,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:17,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:17,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:17,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:17,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:17,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:17,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:17,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:17,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:17,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:17,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:52:17,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:17,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 20:52:17,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:17,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:17,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:17,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:17,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:17,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:17,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:52:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:17,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:17,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:17,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:52:17,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:17,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 20:52:17,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:17,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:17,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:17,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:17,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:52:17,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:17,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-14 20:52:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:18,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:18,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:18,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 20:52:18,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:18,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-14 20:52:18,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:18,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:18,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 20:52:18,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 172 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 20:52:18,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1931418071] [2020-10-14 20:52:18,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:18,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:18,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437883462] [2020-10-14 20:52:18,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:18,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:18,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:18,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:18,518 INFO L87 Difference]: Start difference. First operand 1800 states and 2193 transitions. Second operand 8 states. [2020-10-14 20:52:20,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:20,436 INFO L93 Difference]: Finished difference Result 4216 states and 5239 transitions. [2020-10-14 20:52:20,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:52:20,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 292 [2020-10-14 20:52:20,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:20,449 INFO L225 Difference]: With dead ends: 4216 [2020-10-14 20:52:20,449 INFO L226 Difference]: Without dead ends: 2565 [2020-10-14 20:52:20,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:52:20,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2565 states. [2020-10-14 20:52:20,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 2553. [2020-10-14 20:52:20,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2553 states. [2020-10-14 20:52:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 3076 transitions. [2020-10-14 20:52:20,525 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 3076 transitions. Word has length 292 [2020-10-14 20:52:20,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:20,526 INFO L479 AbstractCegarLoop]: Abstraction has 2553 states and 3076 transitions. [2020-10-14 20:52:20,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3076 transitions. [2020-10-14 20:52:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-14 20:52:20,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:20,541 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:52:20,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:52:20,541 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:20,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:20,542 INFO L82 PathProgramCache]: Analyzing trace with hash 588386061, now seen corresponding path program 1 times [2020-10-14 20:52:20,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:20,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469216977] [2020-10-14 20:52:20,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:20,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:20,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:20,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:21,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:22,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:22,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-10-14 20:52:22,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:52:22,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2043 [2020-10-14 20:52:22,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:22,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:22,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:52:22,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:52:22,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 211 [2020-10-14 20:52:22,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:22,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:22,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:22,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:22,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:22,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:22,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:52:22,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:22,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:22,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:22,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:22,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:22,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:22,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:22,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:22,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:22,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:52:22,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:22,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 20:52:22,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:22,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:52:22,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:22,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:52:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:22,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:22,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:23,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:23,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:52:23,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-14 20:52:23,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:23,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:52:23,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:23,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-14 20:52:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:23,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:23,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:23,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:23,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:23,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-14 20:52:23,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:23,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:23,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:23,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:23,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:52:23,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:52:23,451 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 179 proven. 86 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 20:52:23,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469216977] [2020-10-14 20:52:23,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:23,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:52:23,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251973761] [2020-10-14 20:52:23,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:52:23,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:23,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:52:23,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:52:23,454 INFO L87 Difference]: Start difference. First operand 2553 states and 3076 transitions. Second operand 8 states. [2020-10-14 20:52:25,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:25,371 INFO L93 Difference]: Finished difference Result 7013 states and 8583 transitions. [2020-10-14 20:52:25,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:52:25,372 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 301 [2020-10-14 20:52:25,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:25,389 INFO L225 Difference]: With dead ends: 7013 [2020-10-14 20:52:25,389 INFO L226 Difference]: Without dead ends: 3731 [2020-10-14 20:52:25,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:52:25,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2020-10-14 20:52:25,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 2398. [2020-10-14 20:52:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2398 states. [2020-10-14 20:52:25,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 2843 transitions. [2020-10-14 20:52:25,478 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 2843 transitions. Word has length 301 [2020-10-14 20:52:25,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:25,479 INFO L479 AbstractCegarLoop]: Abstraction has 2398 states and 2843 transitions. [2020-10-14 20:52:25,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:52:25,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 2843 transitions. [2020-10-14 20:52:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-14 20:52:25,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:25,490 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:25,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:52:25,490 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:25,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:25,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1343541243, now seen corresponding path program 1 times [2020-10-14 20:52:25,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:25,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430934495] [2020-10-14 20:52:25,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:25,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:25,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:26,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:26,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-14 20:52:26,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:52:26,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1289 [2020-10-14 20:52:26,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:26,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:52:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 20:52:26,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:26,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:52:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:26,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:26,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:26,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:52:26,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:26,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:52:26,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:26,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:26,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:26,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:52:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:26,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:27,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:27,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:52:27,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:27,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-14 20:52:27,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:27,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:27,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:52:27,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:52:27,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:52:27,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:27,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:52:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:27,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:27,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:27,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:52:27,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:27,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 20:52:27,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:27,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:52:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:52:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:52:27,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:27,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-14 20:52:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:52:27,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:52:27,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:52:27,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:52:27,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:52:27,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 20:52:27,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:52:27,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:52:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:52:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 20:52:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:52:27,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:52:27,526 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 115 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-14 20:52:27,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1430934495] [2020-10-14 20:52:27,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:52:27,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:52:27,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626076971] [2020-10-14 20:52:27,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:52:27,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:52:27,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:52:27,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:52:27,534 INFO L87 Difference]: Start difference. First operand 2398 states and 2843 transitions. Second operand 7 states. [2020-10-14 20:52:29,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:52:29,448 INFO L93 Difference]: Finished difference Result 4943 states and 5879 transitions. [2020-10-14 20:52:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:52:29,449 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 337 [2020-10-14 20:52:29,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:52:29,460 INFO L225 Difference]: With dead ends: 4943 [2020-10-14 20:52:29,460 INFO L226 Difference]: Without dead ends: 2694 [2020-10-14 20:52:29,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:52:29,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2020-10-14 20:52:29,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2692. [2020-10-14 20:52:29,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2692 states. [2020-10-14 20:52:29,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 3172 transitions. [2020-10-14 20:52:29,526 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 3172 transitions. Word has length 337 [2020-10-14 20:52:29,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:52:29,526 INFO L479 AbstractCegarLoop]: Abstraction has 2692 states and 3172 transitions. [2020-10-14 20:52:29,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:52:29,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3172 transitions. [2020-10-14 20:52:29,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-10-14 20:52:29,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:52:29,534 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:52:29,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:52:29,534 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:52:29,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:52:29,535 INFO L82 PathProgramCache]: Analyzing trace with hash -95771531, now seen corresponding path program 1 times [2020-10-14 20:52:29,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:52:29,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270951244] [2020-10-14 20:52:29,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:52:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 20:52:29,598 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 20:52:29,599 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 20:52:29,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:52:29,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:52:29 BoogieIcfgContainer [2020-10-14 20:52:29,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:52:29,652 INFO L168 Benchmark]: Toolchain (without parser) took 41677.98 ms. Allocated memory was 147.8 MB in the beginning and 799.5 MB in the end (delta: 651.7 MB). Free memory was 102.7 MB in the beginning and 284.7 MB in the end (delta: -182.0 MB). Peak memory consumption was 469.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:52:29,653 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-14 20:52:29,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.92 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 102.2 MB in the beginning and 172.6 MB in the end (delta: -70.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:52:29,654 INFO L168 Benchmark]: Boogie Preprocessor took 111.18 ms. Allocated memory is still 207.1 MB. Free memory was 172.6 MB in the beginning and 168.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-14 20:52:29,655 INFO L168 Benchmark]: RCFGBuilder took 1239.07 ms. Allocated memory was 207.1 MB in the beginning and 234.9 MB in the end (delta: 27.8 MB). Free memory was 168.6 MB in the beginning and 175.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:52:29,656 INFO L168 Benchmark]: TraceAbstraction took 39610.78 ms. Allocated memory was 234.9 MB in the beginning and 799.5 MB in the end (delta: 564.7 MB). Free memory was 174.0 MB in the beginning and 284.7 MB in the end (delta: -110.7 MB). Peak memory consumption was 454.0 MB. Max. memory is 7.1 GB. [2020-10-14 20:52:29,660 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.92 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 102.2 MB in the beginning and 172.6 MB in the end (delta: -70.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.18 ms. Allocated memory is still 207.1 MB. Free memory was 172.6 MB in the beginning and 168.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1239.07 ms. Allocated memory was 207.1 MB in the beginning and 234.9 MB in the end (delta: 27.8 MB). Free memory was 168.6 MB in the beginning and 175.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39610.78 ms. Allocated memory was 234.9 MB in the beginning and 799.5 MB in the end (delta: 564.7 MB). Free memory was 174.0 MB in the beginning and 284.7 MB in the end (delta: -110.7 MB). Peak memory consumption was 454.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 34]: 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 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 TRUE ((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 ))) [L287] a1 = ((((((a1 % 89)+ 74) - -21) * 5) % 89)- -118) [L288] a19 = 10 [L290] 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 TRUE (((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10)) [L482] a1 = ((((a1 * 10)/ -9) * 5) - 333686) [L483] a10 = 4 [L484] a19 = 6 [L486] 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 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 TRUE (((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6)) [L34] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 39.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 16.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 275 SDtfs, 4478 SDslu, 353 SDs, 0 SdLazy, 10517 SolverSat, 1774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2692occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 2597 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 20.5s InterpolantComputationTime, 2515 NumberOfCodeBlocks, 2515 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2164 ConstructedInterpolants, 0 QuantifiedInterpolants, 1839720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1059/1477 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...