/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/Problem01_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:05:44,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:05:44,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:05:44,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:05:44,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:05:44,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:05:44,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:05:44,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:05:44,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:05:44,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:05:44,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:05:44,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:05:44,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:05:44,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:05:44,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:05:44,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:05:44,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:05:44,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:05:44,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:05:44,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:05:44,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:05:44,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:05:44,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:05:44,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:05:44,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:05:44,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:05:44,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:05:44,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:05:44,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:05:44,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:05:44,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:05:44,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:05:44,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:05:44,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:05:44,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:05:44,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:05:44,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:05:44,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:05:44,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:05:44,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:05:44,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:05:44,807 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 19:05:44,846 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:05:44,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:05:44,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:05:44,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:05:44,849 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:05:44,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:05:44,850 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:05:44,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:05:44,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:05:44,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:05:44,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:05:44,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:05:44,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:05:44,852 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:05:44,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:05:44,853 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:05:44,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:05:44,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:05:44,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:05:44,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:05:44,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:05:44,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:05:44,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:05:44,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:05:44,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:05:44,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:05:44,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:05:44,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:05:44,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:05:44,856 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 19:05:45,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:05:45,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:05:45,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:05:45,156 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:05:45,157 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:05:45,158 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label56.c [2020-10-14 19:05:45,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af8e24263/5f0ed3ad017b49ffb2c02fa742495215/FLAGad4907001 [2020-10-14 19:05:45,751 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:05:45,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label56.c [2020-10-14 19:05:45,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af8e24263/5f0ed3ad017b49ffb2c02fa742495215/FLAGad4907001 [2020-10-14 19:05:46,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af8e24263/5f0ed3ad017b49ffb2c02fa742495215 [2020-10-14 19:05:46,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:05:46,094 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:05:46,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:05:46,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:05:46,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:05:46,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:05:46" (1/1) ... [2020-10-14 19:05:46,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da42254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:46, skipping insertion in model container [2020-10-14 19:05:46,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:05:46" (1/1) ... [2020-10-14 19:05:46,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:05:46,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:05:46,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:05:46,710 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:05:46,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:05:46,904 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:05:46,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:46 WrapperNode [2020-10-14 19:05:46,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:05:46,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:05:46,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:05:46,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:05:46,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:46" (1/1) ... [2020-10-14 19:05:46,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:46" (1/1) ... [2020-10-14 19:05:46,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:46" (1/1) ... [2020-10-14 19:05:46,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:46" (1/1) ... [2020-10-14 19:05:47,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:46" (1/1) ... [2020-10-14 19:05:47,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:46" (1/1) ... [2020-10-14 19:05:47,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:46" (1/1) ... [2020-10-14 19:05:47,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:05:47,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:05:47,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:05:47,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:05:47,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:46" (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 19:05:47,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:05:47,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:05:47,173 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:05:47,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:05:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:05:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:05:47,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:05:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:05:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:05:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:05:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:05:48,532 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:05:48,532 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:05:48,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:05:48 BoogieIcfgContainer [2020-10-14 19:05:48,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:05:48,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:05:48,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:05:48,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:05:48,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:05:46" (1/3) ... [2020-10-14 19:05:48,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71984ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:05:48, skipping insertion in model container [2020-10-14 19:05:48,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:05:46" (2/3) ... [2020-10-14 19:05:48,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71984ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:05:48, skipping insertion in model container [2020-10-14 19:05:48,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:05:48" (3/3) ... [2020-10-14 19:05:48,548 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label56.c [2020-10-14 19:05:48,559 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:05:48,568 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:05:48,583 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:05:48,612 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:05:48,612 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:05:48,612 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:05:48,612 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:05:48,613 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:05:48,613 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:05:48,613 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:05:48,613 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:05:48,637 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-14 19:05:48,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-14 19:05:48,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:05:48,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:05:48,649 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:05:48,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:05:48,656 INFO L82 PathProgramCache]: Analyzing trace with hash -503641322, now seen corresponding path program 1 times [2020-10-14 19:05:48,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:05:48,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579927706] [2020-10-14 19:05:48,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:05:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:48,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:49,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:50,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:50,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-14 19:05:50,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:05:50,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1295 [2020-10-14 19:05:50,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:50,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:05:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:05:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 19:05:50,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 19:05:50,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:05:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:50,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:50,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:50,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:05:50,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:50,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 19:05:50,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:50,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:05:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:05:50,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:50,392 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 19:05:50,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579927706] [2020-10-14 19:05:50,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:05:50,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 19:05:50,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794663660] [2020-10-14 19:05:50,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 19:05:50,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:05:50,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 19:05:50,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 19:05:50,420 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-10-14 19:05:52,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:05:52,036 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-10-14 19:05:52,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:05:52,038 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-10-14 19:05:52,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:05:52,057 INFO L225 Difference]: With dead ends: 557 [2020-10-14 19:05:52,057 INFO L226 Difference]: Without dead ends: 286 [2020-10-14 19:05:52,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:05:52,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-14 19:05:52,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-10-14 19:05:52,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-14 19:05:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 396 transitions. [2020-10-14 19:05:52,170 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 396 transitions. Word has length 82 [2020-10-14 19:05:52,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:05:52,171 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 396 transitions. [2020-10-14 19:05:52,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 19:05:52,172 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 396 transitions. [2020-10-14 19:05:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-14 19:05:52,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:05:52,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:05:52,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:05:52,180 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:05:52,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:05:52,182 INFO L82 PathProgramCache]: Analyzing trace with hash 145392877, now seen corresponding path program 1 times [2020-10-14 19:05:52,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:05:52,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153120074] [2020-10-14 19:05:52,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:05:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:52,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:52,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:53,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:53,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:53,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 19:05:53,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:05:53,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 945 [2020-10-14 19:05:53,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:53,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:05:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 19:05:53,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 19:05:53,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:53,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:05:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:53,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:53,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:53,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:05:53,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:53,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:05:53,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:53,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:53,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:05:53,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:53,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:05:53,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:53,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:05:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:53,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:53,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:53,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 19:05:53,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:53,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 19:05:53,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:53,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:53,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:05:53,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:53,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 19:05:53,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:05:53,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153120074] [2020-10-14 19:05:53,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:05:53,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:05:53,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983775166] [2020-10-14 19:05:53,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:05:53,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:05:53,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:05:53,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:05:53,330 INFO L87 Difference]: Start difference. First operand 280 states and 396 transitions. Second operand 5 states. [2020-10-14 19:05:54,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:05:54,410 INFO L93 Difference]: Finished difference Result 697 states and 1007 transitions. [2020-10-14 19:05:54,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:05:54,413 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-10-14 19:05:54,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:05:54,423 INFO L225 Difference]: With dead ends: 697 [2020-10-14 19:05:54,424 INFO L226 Difference]: Without dead ends: 423 [2020-10-14 19:05:54,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:05:54,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-10-14 19:05:54,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 419. [2020-10-14 19:05:54,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-10-14 19:05:54,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 564 transitions. [2020-10-14 19:05:54,513 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 564 transitions. Word has length 92 [2020-10-14 19:05:54,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:05:54,514 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 564 transitions. [2020-10-14 19:05:54,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:05:54,515 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 564 transitions. [2020-10-14 19:05:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-14 19:05:54,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:05:54,526 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:05:54,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:05:54,526 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:05:54,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:05:54,527 INFO L82 PathProgramCache]: Analyzing trace with hash 613251555, now seen corresponding path program 1 times [2020-10-14 19:05:54,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:05:54,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [152595019] [2020-10-14 19:05:54,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:05:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:54,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:54,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:55,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:55,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 19:05:55,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:05:55,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1205 [2020-10-14 19:05:55,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:55,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:05:55,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 19:05:55,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 19:05:55,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:05:55,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:05:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:55,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:55,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:55,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:05:55,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:55,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:05:55,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:55,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:05:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:05:55,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:55,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:05:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:55,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:55,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:55,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 19:05:55,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:55,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 19:05:55,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:55,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:05:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 19:05:55,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:05:56,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [152595019] [2020-10-14 19:05:56,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:05:56,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:05:56,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899752195] [2020-10-14 19:05:56,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:05:56,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:05:56,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:05:56,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:05:56,036 INFO L87 Difference]: Start difference. First operand 419 states and 564 transitions. Second operand 5 states. [2020-10-14 19:05:57,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:05:57,093 INFO L93 Difference]: Finished difference Result 1247 states and 1711 transitions. [2020-10-14 19:05:57,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:05:57,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2020-10-14 19:05:57,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:05:57,101 INFO L225 Difference]: With dead ends: 1247 [2020-10-14 19:05:57,102 INFO L226 Difference]: Without dead ends: 834 [2020-10-14 19:05:57,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:05:57,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-10-14 19:05:57,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 830. [2020-10-14 19:05:57,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-10-14 19:05:57,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1039 transitions. [2020-10-14 19:05:57,145 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1039 transitions. Word has length 99 [2020-10-14 19:05:57,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:05:57,145 INFO L479 AbstractCegarLoop]: Abstraction has 830 states and 1039 transitions. [2020-10-14 19:05:57,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:05:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1039 transitions. [2020-10-14 19:05:57,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-14 19:05:57,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:05:57,152 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:05:57,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:05:57,152 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:05:57,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:05:57,153 INFO L82 PathProgramCache]: Analyzing trace with hash 970510898, now seen corresponding path program 1 times [2020-10-14 19:05:57,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:05:57,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2045828833] [2020-10-14 19:05:57,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:05:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:57,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:57,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:57,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:58,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:58,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:59,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:59,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 19:05:59,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 19:05:59,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1934 [2020-10-14 19:05:59,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:59,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:59,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:05:59,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 19:05:59,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 19:05:59,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:59,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:05:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:59,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:59,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:59,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:05:59,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:59,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:05:59,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:59,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:05:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:59,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:05:59,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:59,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:05:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:59,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:59,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:59,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 19:05:59,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:05:59,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 19:05:59,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:59,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:59,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:05:59,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:59,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 19:05:59,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:59,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 19:05:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:05:59,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:59,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:05:59,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:05:59,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:05:59,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:05:59,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 19:05:59,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:05:59,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:05:59,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:05:59,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:05:59,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 19:05:59,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:05:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 19:05:59,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2045828833] [2020-10-14 19:05:59,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:05:59,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:05:59,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29017688] [2020-10-14 19:05:59,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:05:59,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:05:59,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:05:59,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:05:59,506 INFO L87 Difference]: Start difference. First operand 830 states and 1039 transitions. Second operand 5 states. [2020-10-14 19:06:00,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:06:00,735 INFO L93 Difference]: Finished difference Result 2343 states and 2980 transitions. [2020-10-14 19:06:00,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:06:00,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-14 19:06:00,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:06:00,745 INFO L225 Difference]: With dead ends: 2343 [2020-10-14 19:06:00,745 INFO L226 Difference]: Without dead ends: 1519 [2020-10-14 19:06:00,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:06:00,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-10-14 19:06:00,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 971. [2020-10-14 19:06:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2020-10-14 19:06:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1189 transitions. [2020-10-14 19:06:00,790 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1189 transitions. Word has length 138 [2020-10-14 19:06:00,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:06:00,790 INFO L479 AbstractCegarLoop]: Abstraction has 971 states and 1189 transitions. [2020-10-14 19:06:00,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:06:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1189 transitions. [2020-10-14 19:06:00,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 19:06:00,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:06:00,795 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 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 19:06:00,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:06:00,795 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:06:00,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:06:00,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1037292775, now seen corresponding path program 1 times [2020-10-14 19:06:00,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:06:00,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004955291] [2020-10-14 19:06:00,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:06:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:00,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:00,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:01,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:01,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-14 19:06:01,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:06:01,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 835 [2020-10-14 19:06:01,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:01,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:01,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 19:06:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:06:01,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 19:06:01,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:01,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:06:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:01,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:01,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:01,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:06:01,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:01,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:06:01,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:01,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:01,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:06:01,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:06:01,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:06:01,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:01,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:06:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:01,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:01,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:01,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:01,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 19:06:01,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:06:01,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:06:01,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:01,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:01,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:06:01,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:06:01,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 19:06:01,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:01,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 19:06:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:01,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:01,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:01,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:06:01,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:01,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 19:06:01,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:01,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:06:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:06:01,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 19:06:01,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:01,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 19:06:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:01,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:01,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:01,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 19:06:01,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:01,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 19:06:01,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:01,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:01,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:01,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 19:06:01,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:01,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:01,945 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 63 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 19:06:01,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004955291] [2020-10-14 19:06:01,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:06:01,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 19:06:01,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223295480] [2020-10-14 19:06:01,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 19:06:01,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:06:01,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 19:06:01,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-14 19:06:01,947 INFO L87 Difference]: Start difference. First operand 971 states and 1189 transitions. Second operand 9 states. [2020-10-14 19:06:03,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:06:03,894 INFO L93 Difference]: Finished difference Result 2367 states and 2954 transitions. [2020-10-14 19:06:03,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 19:06:03,894 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-10-14 19:06:03,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:06:03,903 INFO L225 Difference]: With dead ends: 2367 [2020-10-14 19:06:03,903 INFO L226 Difference]: Without dead ends: 1402 [2020-10-14 19:06:03,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-14 19:06:03,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2020-10-14 19:06:03,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1263. [2020-10-14 19:06:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1263 states. [2020-10-14 19:06:03,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1548 transitions. [2020-10-14 19:06:03,961 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1548 transitions. Word has length 148 [2020-10-14 19:06:03,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:06:03,962 INFO L479 AbstractCegarLoop]: Abstraction has 1263 states and 1548 transitions. [2020-10-14 19:06:03,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 19:06:03,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1548 transitions. [2020-10-14 19:06:03,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-14 19:06:03,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:06:03,968 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:03,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 19:06:03,968 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:06:03,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:06:03,969 INFO L82 PathProgramCache]: Analyzing trace with hash -812523953, now seen corresponding path program 1 times [2020-10-14 19:06:03,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:06:03,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564022205] [2020-10-14 19:06:03,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:06:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:04,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:04,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:04,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:04,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:05,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:06,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:06,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-14 19:06:06,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 19:06:06,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2969 [2020-10-14 19:06:06,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:06,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:06,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:06:06,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 19:06:06,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 19:06:06,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:07,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:06:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:07,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:07,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:07,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:06:07,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:07,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:06:07,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:07,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:07,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:06:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:07,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:07,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:06:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:07,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:07,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:07,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 19:06:07,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:07,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 19:06:07,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:07,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:07,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:06:07,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:06:07,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 19:06:07,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:07,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 19:06:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:07,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:07,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:07,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:07,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 19:06:07,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:06:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 19:06:07,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:07,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:06:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:06:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 19:06:07,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:07,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 19:06:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:07,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:07,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:07,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 19:06:07,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:07,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 19:06:07,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:07,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:07,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:06:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:06:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 19:06:07,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 19:06:07,420 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 19:06:07,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564022205] [2020-10-14 19:06:07,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:06:07,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 19:06:07,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510433219] [2020-10-14 19:06:07,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 19:06:07,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:06:07,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 19:06:07,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:06:07,426 INFO L87 Difference]: Start difference. First operand 1263 states and 1548 transitions. Second operand 8 states. [2020-10-14 19:06:09,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:06:09,706 INFO L93 Difference]: Finished difference Result 3342 states and 4124 transitions. [2020-10-14 19:06:09,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 19:06:09,706 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 154 [2020-10-14 19:06:09,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:06:09,716 INFO L225 Difference]: With dead ends: 3342 [2020-10-14 19:06:09,716 INFO L226 Difference]: Without dead ends: 1670 [2020-10-14 19:06:09,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:06:09,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2020-10-14 19:06:09,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1531. [2020-10-14 19:06:09,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2020-10-14 19:06:09,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1771 transitions. [2020-10-14 19:06:09,772 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1771 transitions. Word has length 154 [2020-10-14 19:06:09,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:06:09,773 INFO L479 AbstractCegarLoop]: Abstraction has 1531 states and 1771 transitions. [2020-10-14 19:06:09,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 19:06:09,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1771 transitions. [2020-10-14 19:06:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 19:06:09,778 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:06:09,779 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:09,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 19:06:09,779 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:06:09,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:06:09,780 INFO L82 PathProgramCache]: Analyzing trace with hash 140799832, now seen corresponding path program 1 times [2020-10-14 19:06:09,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:06:09,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764344624] [2020-10-14 19:06:09,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:06:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:09,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:09,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:10,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:10,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 19:06:10,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:06:10,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 674 [2020-10-14 19:06:10,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:10,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:10,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:06:10,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 19:06:10,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 19:06:10,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:10,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:06:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:10,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:10,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:10,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:06:10,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:10,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:06:10,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:10,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:10,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:10,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:06:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:10,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:10,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:06:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:10,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:10,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:10,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 19:06:10,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:10,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:06:10,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:10,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:10,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:06:10,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:06:10,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 19:06:10,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:10,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 19:06:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:10,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:10,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:10,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:10,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 19:06:10,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:06:10,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 19:06:10,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:10,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:10,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:06:10,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:06:10,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 19:06:10,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:10,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 19:06:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:10,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:10,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:10,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:06:10,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:10,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 19:06:10,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:10,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:06:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:06:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 19:06:10,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:10,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 19:06:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:10,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:10,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:10,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 19:06:10,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:10,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 19:06:10,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:10,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 19:06:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:10,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:10,907 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 85 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-14 19:06:10,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764344624] [2020-10-14 19:06:10,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:06:10,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 19:06:10,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208156204] [2020-10-14 19:06:10,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 19:06:10,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:06:10,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 19:06:10,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 19:06:10,910 INFO L87 Difference]: Start difference. First operand 1531 states and 1771 transitions. Second operand 9 states. [2020-10-14 19:06:12,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:06:12,307 INFO L93 Difference]: Finished difference Result 4299 states and 5095 transitions. [2020-10-14 19:06:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:06:12,312 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-10-14 19:06:12,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:06:12,326 INFO L225 Difference]: With dead ends: 4299 [2020-10-14 19:06:12,326 INFO L226 Difference]: Without dead ends: 2778 [2020-10-14 19:06:12,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-14 19:06:12,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2778 states. [2020-10-14 19:06:12,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2778 to 2764. [2020-10-14 19:06:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2764 states. [2020-10-14 19:06:12,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 3211 transitions. [2020-10-14 19:06:12,416 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 3211 transitions. Word has length 161 [2020-10-14 19:06:12,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:06:12,416 INFO L479 AbstractCegarLoop]: Abstraction has 2764 states and 3211 transitions. [2020-10-14 19:06:12,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 19:06:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3211 transitions. [2020-10-14 19:06:12,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-14 19:06:12,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:06:12,424 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 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] [2020-10-14 19:06:12,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 19:06:12,425 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:06:12,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:06:12,425 INFO L82 PathProgramCache]: Analyzing trace with hash 300051243, now seen corresponding path program 1 times [2020-10-14 19:06:12,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:06:12,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462653117] [2020-10-14 19:06:12,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:06:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:12,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:12,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:13,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:13,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-14 19:06:13,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:06:13,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1433 [2020-10-14 19:06:13,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:13,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:13,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:06:13,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:06:13,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 19:06:13,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:13,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:06:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:13,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:13,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:13,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:06:13,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:13,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:06:13,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:13,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:06:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:06:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:06:13,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:13,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:06:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:13,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:14,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:14,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 19:06:14,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:14,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 19:06:14,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:14,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:14,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:06:14,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:06:14,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 19:06:14,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:14,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 19:06:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:14,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:14,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:14,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:06:14,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:14,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:06:14,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:14,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 19:06:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:14,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:14,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 19:06:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:14,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:14,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:14,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 19:06:14,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:14,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 19:06:14,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:14,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:14,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 19:06:14,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:14,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:14,224 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 82 proven. 38 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-14 19:06:14,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462653117] [2020-10-14 19:06:14,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:06:14,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:06:14,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113997474] [2020-10-14 19:06:14,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:06:14,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:06:14,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:06:14,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:06:14,226 INFO L87 Difference]: Start difference. First operand 2764 states and 3211 transitions. Second operand 7 states. [2020-10-14 19:06:15,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:06:15,506 INFO L93 Difference]: Finished difference Result 5794 states and 6741 transitions. [2020-10-14 19:06:15,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 19:06:15,507 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2020-10-14 19:06:15,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:06:15,520 INFO L225 Difference]: With dead ends: 5794 [2020-10-14 19:06:15,521 INFO L226 Difference]: Without dead ends: 3034 [2020-10-14 19:06:15,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 19:06:15,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2020-10-14 19:06:15,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 3034. [2020-10-14 19:06:15,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3034 states. [2020-10-14 19:06:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 3034 states and 3492 transitions. [2020-10-14 19:06:15,616 INFO L78 Accepts]: Start accepts. Automaton has 3034 states and 3492 transitions. Word has length 173 [2020-10-14 19:06:15,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:06:15,616 INFO L479 AbstractCegarLoop]: Abstraction has 3034 states and 3492 transitions. [2020-10-14 19:06:15,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:06:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 3034 states and 3492 transitions. [2020-10-14 19:06:15,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-14 19:06:15,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:06:15,625 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 19:06:15,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 19:06:15,626 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:06:15,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:06:15,626 INFO L82 PathProgramCache]: Analyzing trace with hash -713148050, now seen corresponding path program 1 times [2020-10-14 19:06:15,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:06:15,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095529433] [2020-10-14 19:06:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:06:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:15,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:16,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:16,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 19:06:16,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:16,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-10-14 19:06:16,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:16,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:16,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:06:16,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-14 19:06:16,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 19:06:16,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:16,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:06:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:16,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:16,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:16,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:06:16,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:16,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:06:16,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:16,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:16,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:06:16,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:16,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:16,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:06:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:16,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:16,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:16,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 19:06:16,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:16,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 19:06:16,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:16,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:16,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:06:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:16,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:16,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 19:06:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:16,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:16,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:16,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 19:06:16,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:16,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 19:06:16,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:16,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:06:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:06:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 19:06:16,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:16,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 19:06:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:16,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:16,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:16,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:06:16,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:16,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 19:06:16,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:16,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:06:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:06:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 19:06:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:16,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 19:06:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:16,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:16,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:16,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 19:06:16,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:16,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 19:06:16,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:16,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:16,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:16,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 19:06:16,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:16,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:16,334 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 157 proven. 14 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-14 19:06:16,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095529433] [2020-10-14 19:06:16,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:06:16,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:06:16,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152709605] [2020-10-14 19:06:16,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:06:16,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:06:16,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:06:16,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:06:16,337 INFO L87 Difference]: Start difference. First operand 3034 states and 3492 transitions. Second operand 7 states. [2020-10-14 19:06:17,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:06:17,733 INFO L93 Difference]: Finished difference Result 6622 states and 7738 transitions. [2020-10-14 19:06:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:06:17,734 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2020-10-14 19:06:17,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:06:17,748 INFO L225 Difference]: With dead ends: 6622 [2020-10-14 19:06:17,748 INFO L226 Difference]: Without dead ends: 3455 [2020-10-14 19:06:17,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 19:06:17,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2020-10-14 19:06:17,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 1952. [2020-10-14 19:06:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1952 states. [2020-10-14 19:06:17,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2186 transitions. [2020-10-14 19:06:17,832 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2186 transitions. Word has length 214 [2020-10-14 19:06:17,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:06:17,832 INFO L479 AbstractCegarLoop]: Abstraction has 1952 states and 2186 transitions. [2020-10-14 19:06:17,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:06:17,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2186 transitions. [2020-10-14 19:06:17,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-14 19:06:17,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:06:17,840 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-14 19:06:17,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 19:06:17,841 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:06:17,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:06:17,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1828507193, now seen corresponding path program 1 times [2020-10-14 19:06:17,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:06:17,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026741779] [2020-10-14 19:06:17,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:06:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:17,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:18,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:18,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-14 19:06:18,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:18,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-14 19:06:18,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:18,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:06:18,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 19:06:18,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 19:06:18,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:18,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:06:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:18,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:18,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:18,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:06:18,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:18,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:06:18,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:18,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:18,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:18,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:06:18,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:18,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:18,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:06:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:18,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:18,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:18,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 19:06:18,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:18,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 19:06:18,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:18,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:18,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:06:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:06:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 19:06:18,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:18,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 19:06:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:18,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:18,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:18,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 19:06:18,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:18,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 19:06:18,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:18,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:18,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:06:18,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:06:18,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-14 19:06:18,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:18,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 19:06:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:18,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:18,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:18,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 19:06:18,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:18,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 19:06:18,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:18,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:18,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:18,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 19:06:18,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:18,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:18,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 19:06:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:18,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:18,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:18,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:06:18,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:18,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:06:18,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:18,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 19:06:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:18,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:06:18,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-14 19:06:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:06:18,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:06:18,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:06:18,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 19:06:18,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:06:18,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 19:06:18,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:06:18,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:06:18,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:06:18,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 19:06:18,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:06:18,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:06:18,678 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 198 proven. 64 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-14 19:06:18,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026741779] [2020-10-14 19:06:18,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:06:18,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:06:18,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525386790] [2020-10-14 19:06:18,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:06:18,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:06:18,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:06:18,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:06:18,680 INFO L87 Difference]: Start difference. First operand 1952 states and 2186 transitions. Second operand 7 states. [2020-10-14 19:06:19,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:06:19,957 INFO L93 Difference]: Finished difference Result 3908 states and 4406 transitions. [2020-10-14 19:06:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:06:19,959 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2020-10-14 19:06:19,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:06:19,966 INFO L225 Difference]: With dead ends: 3908 [2020-10-14 19:06:19,966 INFO L226 Difference]: Without dead ends: 2097 [2020-10-14 19:06:19,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:06:19,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2020-10-14 19:06:20,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2091. [2020-10-14 19:06:20,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2091 states. [2020-10-14 19:06:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 2091 states and 2316 transitions. [2020-10-14 19:06:20,018 INFO L78 Accepts]: Start accepts. Automaton has 2091 states and 2316 transitions. Word has length 245 [2020-10-14 19:06:20,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:06:20,019 INFO L479 AbstractCegarLoop]: Abstraction has 2091 states and 2316 transitions. [2020-10-14 19:06:20,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:06:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2316 transitions. [2020-10-14 19:06:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-14 19:06:20,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:06:20,027 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 19:06:20,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 19:06:20,028 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:06:20,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:06:20,028 INFO L82 PathProgramCache]: Analyzing trace with hash 377203419, now seen corresponding path program 1 times [2020-10-14 19:06:20,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:06:20,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241785408] [2020-10-14 19:06:20,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:06:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 19:06:20,096 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 19:06:20,096 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 19:06:20,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 19:06:20,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:06:20 BoogieIcfgContainer [2020-10-14 19:06:20,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 19:06:20,191 INFO L168 Benchmark]: Toolchain (without parser) took 34095.42 ms. Allocated memory was 148.4 MB in the beginning and 750.8 MB in the end (delta: 602.4 MB). Free memory was 102.1 MB in the beginning and 526.0 MB in the end (delta: -423.9 MB). Peak memory consumption was 178.5 MB. Max. memory is 7.1 GB. [2020-10-14 19:06:20,192 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 19:06:20,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.99 ms. Allocated memory was 148.4 MB in the beginning and 207.1 MB in the end (delta: 58.7 MB). Free memory was 102.1 MB in the beginning and 170.7 MB in the end (delta: -68.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-10-14 19:06:20,200 INFO L168 Benchmark]: Boogie Preprocessor took 150.45 ms. Allocated memory is still 207.1 MB. Free memory was 170.7 MB in the beginning and 165.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-14 19:06:20,201 INFO L168 Benchmark]: RCFGBuilder took 1477.41 ms. Allocated memory was 207.1 MB in the beginning and 235.4 MB in the end (delta: 28.3 MB). Free memory was 165.8 MB in the beginning and 171.7 MB in the end (delta: -5.9 MB). Peak memory consumption was 76.2 MB. Max. memory is 7.1 GB. [2020-10-14 19:06:20,203 INFO L168 Benchmark]: TraceAbstraction took 31646.88 ms. Allocated memory was 235.4 MB in the beginning and 750.8 MB in the end (delta: 515.4 MB). Free memory was 170.1 MB in the beginning and 526.0 MB in the end (delta: -355.9 MB). Peak memory consumption was 159.4 MB. Max. memory is 7.1 GB. [2020-10-14 19:06:20,215 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 813.99 ms. Allocated memory was 148.4 MB in the beginning and 207.1 MB in the end (delta: 58.7 MB). Free memory was 102.1 MB in the beginning and 170.7 MB in the end (delta: -68.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.45 ms. Allocated memory is still 207.1 MB. Free memory was 170.7 MB in the beginning and 165.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1477.41 ms. Allocated memory was 207.1 MB in the beginning and 235.4 MB in the end (delta: 28.3 MB). Free memory was 165.8 MB in the beginning and 171.7 MB in the end (delta: -5.9 MB). Peak memory consumption was 76.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31646.88 ms. Allocated memory was 235.4 MB in the beginning and 750.8 MB in the end (delta: 515.4 MB). Free memory was 170.1 MB in the beginning and 526.0 MB in the end (delta: -355.9 MB). Peak memory consumption was 159.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 404]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int a= 1; [L8] int d= 4; [L9] int e= 5; [L10] int f= 6; [L11] int c= 3; [L12] int b= 2; [L15] int u = 21; [L16] int v = 22; [L17] int w = 23; [L18] int x = 24; [L19] int y = 25; [L20] int z = 26; [L22] int a17 = 1; [L23] int a7 = 0; [L24] int a20 = 1; [L25] int a8 = 15; [L26] int a12 = 8; [L27] int a16 = 5; [L28] int a21 = 1; [L580] int output = -1; [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L268] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) [L273] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) [L278] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) [L286] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) [L292] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) [L299] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) [L306] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) [L312] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) [L316] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) [L318] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) [L324] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) [L329] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) [L333] COND TRUE ((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15))) [L334] a17 = 0 [L335] a16 = 4 [L336] return 21; [L591] RET, EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L268] COND TRUE (((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4)) [L269] a20 = 0 [L270] a17 = 1 [L271] a16 = 6 [L272] return 21; [L591] RET, EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND TRUE (((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6)) [L63] a17 = 0 [L64] return 26; [L591] RET, EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND TRUE ((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))))))) [L73] a7 = 1 [L74] a17 = 1 [L75] a21 = 0 [L76] a20 = 1 [L77] a8 = 13 [L78] a16 = 5 [L79] return 26; [L591] RET, EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L223] COND TRUE ((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1))) [L224] a21 = 1 [L225] a8 = 14 [L226] a16 = 4 [L227] a20 = 0 [L228] a7 = 0 [L229] a17 = 0 [L230] return -1; [L591] RET, EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L268] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) [L273] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) [L278] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) [L286] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) [L292] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) [L299] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) [L306] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) [L312] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) [L316] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) [L318] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) [L324] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) [L329] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) [L333] COND FALSE !(((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15)))) [L337] COND FALSE !((!(a21==1)&&((a20==1)&&(((a12==8)&&((a8==13)&&((((a16==5)&&!(a17==1))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==2))))&&(a7==1))))) [L345] COND FALSE !(((a7==1)&&((a12==8)&&((((a20==1)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||((a16==4)&&!(a17==1))))&&(input==4)))&&(a8==13))&&!(a21==1))))) [L353] COND FALSE !(((a21==1)&&((((!(a7==1)&&((a8==15)&&(!(a20==1)&&(input==4))))&&(a17==1))&&(a16==5))&&(a12==8)))) [L355] COND FALSE !((((!(a7==1)&&((!(a20==1)&&((a21==1)&&((input==3)&&(a17==1))))&&(a8==15)))&&(a12==8))&&(a16==5))) [L361] COND FALSE !(((((!(a17==1)&&(!(a20==1)&&((a8==15)&&((input==1)&&(a16==5)))))&&(a12==8))&&(a21==1))&&!(a7==1))) [L363] COND FALSE !(((((a21==1)&&((a8==15)&&(((a16==5)&&((a12==8)&&(input==1)))&&(a17==1))))&&!(a7==1))&&!(a20==1))) [L365] COND FALSE !(((!(a21==1)&&((a20==1)&&((((a8==13)&&((a7==1)&&(input==5)))&&(a17==1))&&(a12==8))))&&(a16==5))) [L372] COND FALSE !((((!(a7==1)&&((a21==1)&&((((input==6)&&(a20==1))&&(a8==15))&&!(a17==1))))&&(a12==8))&&(a16==4))) [L377] COND FALSE !(((((a20==1)&&(((!(a21==1)&&((a7==1)&&(input==1)))&&(a8==13))&&(a17==1)))&&(a12==8))&&(a16==5))) [L382] COND FALSE !(((a12==8)&&((input==5)&&((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==15))&&(a16==6))&&(a21==1))||(!(a21==1)&&((a16==4)&&(((a20==1)&&((a7==1)&&(a17==1)))&&(a8==13)))))))) [L391] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L394] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L397] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L400] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L403] COND TRUE ((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1)) [L404] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 31.5s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 288 SDtfs, 3565 SDslu, 359 SDs, 0 SdLazy, 8319 SolverSat, 1158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 111 SyntacticMatches, 3 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3034occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2363 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 14.8s InterpolantComputationTime, 1773 NumberOfCodeBlocks, 1773 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1496 ConstructedInterpolants, 0 QuantifiedInterpolants, 758905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1027/1192 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...