/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/Problem06_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:04:45,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:04:45,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:04:45,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:04:45,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:04:45,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:04:45,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:04:45,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:04:45,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:04:45,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:04:45,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:04:45,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:04:45,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:04:45,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:04:45,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:04:45,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:04:45,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:04:45,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:04:45,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:04:45,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:04:45,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:04:45,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:04:45,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:04:45,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:04:45,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:04:45,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:04:45,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:04:45,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:04:45,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:04:45,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:04:45,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:04:45,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:04:45,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:04:45,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:04:45,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:04:45,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:04:45,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:04:45,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:04:45,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:04:45,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:04:45,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:04:45,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 20:04:45,235 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:04:45,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:04:45,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:04:45,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:04:45,240 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:04:45,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:04:45,240 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:04:45,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:04:45,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:04:45,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:04:45,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:04:45,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:04:45,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:04:45,241 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:04:45,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:04:45,241 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:04:45,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:04:45,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:04:45,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:04:45,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:04:45,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:04:45,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:04:45,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:04:45,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:04:45,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:04:45,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:04:45,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:04:45,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:04:45,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:04:45,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:04:45,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:04:45,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:04:45,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:04:45,563 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:04:45,563 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:04:45,564 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label58.c [2020-10-14 20:04:45,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a0dd445f/d2c78e19f2db4b598f9e196f56e1c57b/FLAG9905a7a93 [2020-10-14 20:04:46,474 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:04:46,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem06_label58.c [2020-10-14 20:04:46,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a0dd445f/d2c78e19f2db4b598f9e196f56e1c57b/FLAG9905a7a93 [2020-10-14 20:04:47,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a0dd445f/d2c78e19f2db4b598f9e196f56e1c57b [2020-10-14 20:04:47,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:04:47,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:04:47,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:04:47,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:04:47,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:04:47,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:04:47" (1/1) ... [2020-10-14 20:04:47,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66948a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:47, skipping insertion in model container [2020-10-14 20:04:47,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:04:47" (1/1) ... [2020-10-14 20:04:47,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:04:47,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:04:49,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:04:49,783 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:04:50,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:04:50,910 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:04:50,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:50 WrapperNode [2020-10-14 20:04:50,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:04:50,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:04:50,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:04:50,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:04:50,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:50" (1/1) ... [2020-10-14 20:04:50,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:50" (1/1) ... [2020-10-14 20:04:51,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:50" (1/1) ... [2020-10-14 20:04:51,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:50" (1/1) ... [2020-10-14 20:04:51,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:50" (1/1) ... [2020-10-14 20:04:51,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:50" (1/1) ... [2020-10-14 20:04:51,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:50" (1/1) ... [2020-10-14 20:04:51,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:04:51,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:04:51,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:04:51,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:04:51,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:04:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:04:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:04:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:04:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-14 20:04:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2020-10-14 20:04:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2020-10-14 20:04:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2020-10-14 20:04:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:04:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:04:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-14 20:04:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2020-10-14 20:04:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2020-10-14 20:04:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2020-10-14 20:04:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:04:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:04:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:04:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:04:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:04:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:04:58,250 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:04:58,251 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:04:58,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:04:58 BoogieIcfgContainer [2020-10-14 20:04:58,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:04:58,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:04:58,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:04:58,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:04:58,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:04:47" (1/3) ... [2020-10-14 20:04:58,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1f9176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:04:58, skipping insertion in model container [2020-10-14 20:04:58,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:04:50" (2/3) ... [2020-10-14 20:04:58,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1f9176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:04:58, skipping insertion in model container [2020-10-14 20:04:58,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:04:58" (3/3) ... [2020-10-14 20:04:58,274 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem06_label58.c [2020-10-14 20:04:58,285 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:04:58,294 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:04:58,308 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:04:58,338 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:04:58,338 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:04:58,338 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:04:58,339 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:04:58,339 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:04:58,339 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:04:58,339 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:04:58,339 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:04:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states. [2020-10-14 20:04:58,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2020-10-14 20:04:58,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:04:58,449 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:04:58,450 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:04:58,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:04:58,457 INFO L82 PathProgramCache]: Analyzing trace with hash -704078729, now seen corresponding path program 1 times [2020-10-14 20:04:58,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:04:58,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343563288] [2020-10-14 20:04:58,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:04:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:04:59,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:05:02,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:05:04,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:05:04,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 984 [2020-10-14 20:05:04,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:05:04,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 20:05:04,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:05:04,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:05:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 20:05:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:05:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 978 [2020-10-14 20:05:04,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:05:05,657 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 20:05:05,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:05:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:05:05,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:05:05,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:05:05,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:05:05,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:05:05,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 20:05:05,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:05:05,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:05:05,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:05:05,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:05:05,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:05:05,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:05:07,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:05:07,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343563288] [2020-10-14 20:05:07,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:05:07,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:05:07,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462631360] [2020-10-14 20:05:07,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:05:07,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:05:07,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:05:07,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:05:07,342 INFO L87 Difference]: Start difference. First operand 1315 states. Second operand 4 states. [2020-10-14 20:05:07,525 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 20:05:22,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:05:22,040 INFO L93 Difference]: Finished difference Result 3765 states and 7006 transitions. [2020-10-14 20:05:22,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:05:22,043 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 968 [2020-10-14 20:05:22,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:05:22,089 INFO L225 Difference]: With dead ends: 3765 [2020-10-14 20:05:22,089 INFO L226 Difference]: Without dead ends: 2386 [2020-10-14 20:05:22,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:05:22,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2020-10-14 20:05:22,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 2373. [2020-10-14 20:05:22,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2373 states. [2020-10-14 20:05:22,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2373 states and 3971 transitions. [2020-10-14 20:05:22,265 INFO L78 Accepts]: Start accepts. Automaton has 2373 states and 3971 transitions. Word has length 968 [2020-10-14 20:05:22,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:05:22,268 INFO L479 AbstractCegarLoop]: Abstraction has 2373 states and 3971 transitions. [2020-10-14 20:05:22,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:05:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 3971 transitions. [2020-10-14 20:05:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2020-10-14 20:05:22,301 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:05:22,302 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:05:22,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:05:22,303 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:05:22,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:05:22,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1482125542, now seen corresponding path program 1 times [2020-10-14 20:05:22,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:05:22,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162185589] [2020-10-14 20:05:22,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:05:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:05:23,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:05:23,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:05:27,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:05:27,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 998 [2020-10-14 20:05:27,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:05:27,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5109 [2020-10-14 20:05:27,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:05:27,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:05:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 20:05:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 20:05:27,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 975 [2020-10-14 20:05:27,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:05:29,050 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 20:05:29,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:05:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:05:29,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:05:29,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:05:29,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:05:29,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:05:29,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:05:29,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:05:29,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:05:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:05:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:05:29,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:05:29,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:05:29,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:05:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:05:29,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:05:29,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:05:29,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 20:05:29,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:05:29,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 20:05:29,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:05:29,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:05:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:05:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:05:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 20:05:29,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:05:30,315 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:05:30,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162185589] [2020-10-14 20:05:30,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:05:30,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:05:30,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828170550] [2020-10-14 20:05:30,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:05:30,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:05:30,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:05:30,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:05:30,321 INFO L87 Difference]: Start difference. First operand 2373 states and 3971 transitions. Second operand 5 states. [2020-10-14 20:05:30,576 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 20:05:46,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:05:46,718 INFO L93 Difference]: Finished difference Result 6889 states and 11685 transitions. [2020-10-14 20:05:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:05:46,720 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 980 [2020-10-14 20:05:46,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:05:46,754 INFO L225 Difference]: With dead ends: 6889 [2020-10-14 20:05:46,755 INFO L226 Difference]: Without dead ends: 4522 [2020-10-14 20:05:46,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:05:46,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4522 states. [2020-10-14 20:05:46,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4522 to 4458. [2020-10-14 20:05:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4458 states. [2020-10-14 20:05:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4458 states to 4458 states and 6813 transitions. [2020-10-14 20:05:46,906 INFO L78 Accepts]: Start accepts. Automaton has 4458 states and 6813 transitions. Word has length 980 [2020-10-14 20:05:46,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:05:46,908 INFO L479 AbstractCegarLoop]: Abstraction has 4458 states and 6813 transitions. [2020-10-14 20:05:46,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:05:46,908 INFO L276 IsEmpty]: Start isEmpty. Operand 4458 states and 6813 transitions. [2020-10-14 20:05:46,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 984 [2020-10-14 20:05:46,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:05:46,942 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:05:46,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:05:46,943 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:05:46,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:05:46,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1664485956, now seen corresponding path program 1 times [2020-10-14 20:05:46,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:05:46,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133616773] [2020-10-14 20:05:46,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:05:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:05:47,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:05:48,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:05:52,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:05:52,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1001 [2020-10-14 20:05:52,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:05:52,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 20:05:52,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:05:52,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:05:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 20:05:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 20:05:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 975 [2020-10-14 20:05:52,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:05:52,786 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 20:05:52,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:05:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:05:52,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:05:52,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:05:52,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:05:52,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:05:52,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:05:52,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:05:52,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:05:52,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:05:52,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:05:52,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:05:52,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:05:52,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:05:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:05:52,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:05:52,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:05:52,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 20:05:52,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:05:52,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 20:05:52,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:05:52,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:05:52,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:05:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:05:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 20:05:52,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:05:54,807 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:05:54,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133616773] [2020-10-14 20:05:54,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:05:54,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:05:54,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823154510] [2020-10-14 20:05:54,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:05:54,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:05:54,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:05:54,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:05:54,811 INFO L87 Difference]: Start difference. First operand 4458 states and 6813 transitions. Second operand 6 states. [2020-10-14 20:05:54,970 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 20:05:55,286 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 20:06:17,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:06:17,949 INFO L93 Difference]: Finished difference Result 17225 states and 27069 transitions. [2020-10-14 20:06:17,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:06:17,950 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 983 [2020-10-14 20:06:17,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:06:18,015 INFO L225 Difference]: With dead ends: 17225 [2020-10-14 20:06:18,015 INFO L226 Difference]: Without dead ends: 12773 [2020-10-14 20:06:18,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:06:18,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12773 states. [2020-10-14 20:06:18,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12773 to 12724. [2020-10-14 20:06:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12724 states. [2020-10-14 20:06:18,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12724 states to 12724 states and 18637 transitions. [2020-10-14 20:06:18,391 INFO L78 Accepts]: Start accepts. Automaton has 12724 states and 18637 transitions. Word has length 983 [2020-10-14 20:06:18,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:06:18,393 INFO L479 AbstractCegarLoop]: Abstraction has 12724 states and 18637 transitions. [2020-10-14 20:06:18,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:06:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 12724 states and 18637 transitions. [2020-10-14 20:06:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 993 [2020-10-14 20:06:18,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:06:18,442 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:06:18,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:06:18,443 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:06:18,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:06:18,450 INFO L82 PathProgramCache]: Analyzing trace with hash -475770947, now seen corresponding path program 1 times [2020-10-14 20:06:18,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:06:18,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174232795] [2020-10-14 20:06:18,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:06:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:06:18,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:06:18,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:06:23,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:06:23,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1012 [2020-10-14 20:06:23,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:06:23,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5128 [2020-10-14 20:06:23,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:06:23,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:06:23,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:06:23,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 20:06:23,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 20:06:23,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:06:24,209 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 20:06:24,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:06:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:06:24,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:06:24,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:06:24,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:06:24,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:06:24,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:06:24,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:06:24,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:06:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:06:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:06:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:06:24,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:06:24,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:06:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:06:24,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:06:24,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:06:24,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 20:06:24,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:06:24,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 20:06:24,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:06:24,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:06:24,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:06:24,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:06:24,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 20:06:24,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:06:24,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 20:06:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:06:24,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:06:24,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:06:24,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 20:06:24,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:06:24,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 20:06:24,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:06:24,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:06:24,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:06:24,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:06:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 20:06:24,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:06:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:06:25,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174232795] [2020-10-14 20:06:25,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:06:25,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:06:25,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271621505] [2020-10-14 20:06:25,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:06:25,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:06:25,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:06:25,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:06:25,683 INFO L87 Difference]: Start difference. First operand 12724 states and 18637 transitions. Second operand 7 states. [2020-10-14 20:06:25,936 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 20:06:26,154 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 20:06:58,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:06:58,023 INFO L93 Difference]: Finished difference Result 51263 states and 81046 transitions. [2020-10-14 20:06:58,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:06:58,024 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 992 [2020-10-14 20:06:58,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:06:58,185 INFO L225 Difference]: With dead ends: 51263 [2020-10-14 20:06:58,186 INFO L226 Difference]: Without dead ends: 38545 [2020-10-14 20:06:58,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:06:58,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38545 states. [2020-10-14 20:06:59,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38545 to 38408. [2020-10-14 20:06:59,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38408 states. [2020-10-14 20:06:59,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38408 states to 38408 states and 58577 transitions. [2020-10-14 20:06:59,377 INFO L78 Accepts]: Start accepts. Automaton has 38408 states and 58577 transitions. Word has length 992 [2020-10-14 20:06:59,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:06:59,378 INFO L479 AbstractCegarLoop]: Abstraction has 38408 states and 58577 transitions. [2020-10-14 20:06:59,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:06:59,378 INFO L276 IsEmpty]: Start isEmpty. Operand 38408 states and 58577 transitions. [2020-10-14 20:06:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1010 [2020-10-14 20:06:59,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:06:59,513 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:06:59,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:06:59,513 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:06:59,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:06:59,514 INFO L82 PathProgramCache]: Analyzing trace with hash -163828858, now seen corresponding path program 1 times [2020-10-14 20:06:59,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:06:59,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666260747] [2020-10-14 20:06:59,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:06:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:06:59,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:06:59,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:06:59,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:04,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:04,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1031 [2020-10-14 20:07:04,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:07:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 20:07:04,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:04,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:07:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:07:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 20:07:04,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:05,266 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 20:07:05,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:07:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:05,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:05,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:05,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:07:05,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:07:05,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 20:07:05,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:05,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:05,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:07:05,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:07:05,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:07:05,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:07:05,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:07:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:05,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:05,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:05,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:05,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 20:07:05,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:07:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 20:07:05,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:05,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:07:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:07:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 20:07:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:05,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 20:07:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:05,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:05,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:05,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 20:07:05,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:07:05,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 20:07:05,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:05,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:07:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:07:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 20:07:05,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:05,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 20:07:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:05,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:05,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:05,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 20:07:05,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:07:05,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 20:07:05,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:05,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:07:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 20:07:05,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:07:05,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 35 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-14 20:07:05,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666260747] [2020-10-14 20:07:05,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:07:05,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:07:05,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759187963] [2020-10-14 20:07:05,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:07:05,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:07:05,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:07:05,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:07:05,937 INFO L87 Difference]: Start difference. First operand 38408 states and 58577 transitions. Second operand 7 states. [2020-10-14 20:07:06,106 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 20:07:06,841 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 20:07:23,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:07:23,294 INFO L93 Difference]: Finished difference Result 78625 states and 126404 transitions. [2020-10-14 20:07:23,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:07:23,295 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1009 [2020-10-14 20:07:23,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:07:23,463 INFO L225 Difference]: With dead ends: 78625 [2020-10-14 20:07:23,463 INFO L226 Difference]: Without dead ends: 40223 [2020-10-14 20:07:23,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:07:23,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40223 states. [2020-10-14 20:07:24,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40223 to 40021. [2020-10-14 20:07:24,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40021 states. [2020-10-14 20:07:24,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40021 states to 40021 states and 58477 transitions. [2020-10-14 20:07:24,845 INFO L78 Accepts]: Start accepts. Automaton has 40021 states and 58477 transitions. Word has length 1009 [2020-10-14 20:07:24,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:07:24,845 INFO L479 AbstractCegarLoop]: Abstraction has 40021 states and 58477 transitions. [2020-10-14 20:07:24,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:07:24,846 INFO L276 IsEmpty]: Start isEmpty. Operand 40021 states and 58477 transitions. [2020-10-14 20:07:24,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1016 [2020-10-14 20:07:24,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:07:24,964 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:07:24,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:07:24,964 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:07:24,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:07:24,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1235533009, now seen corresponding path program 1 times [2020-10-14 20:07:24,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:07:24,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081134916] [2020-10-14 20:07:24,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:07:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:25,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:25,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:25,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:26,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:30,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:30,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1039 [2020-10-14 20:07:30,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:07:30,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 20:07:30,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:30,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:30,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:07:30,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-14 20:07:30,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 20:07:30,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:30,453 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 20:07:30,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:07:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:30,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:30,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:30,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:07:30,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:07:30,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 20:07:30,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:30,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:30,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:07:30,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:07:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:07:30,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:30,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:07:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:30,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:30,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:30,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 20:07:30,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:07:30,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 20:07:30,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:30,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:30,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:07:30,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:07:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:07:30,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:30,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 20:07:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:30,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:30,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:30,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 20:07:30,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:07:30,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 20:07:30,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:30,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:30,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:07:30,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:07:30,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:07:30,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:30,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 20:07:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:30,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:30,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:30,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 20:07:30,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:07:30,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 20:07:30,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:30,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:30,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:07:30,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:07:30,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 20:07:30,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:30,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 20:07:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:30,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:30,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:30,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 20:07:30,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:07:30,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 20:07:30,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:30,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:30,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:07:30,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:07:30,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 20:07:30,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:31,137 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-14 20:07:31,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081134916] [2020-10-14 20:07:31,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:07:31,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:07:31,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318925533] [2020-10-14 20:07:31,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:07:31,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:07:31,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:07:31,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:07:31,141 INFO L87 Difference]: Start difference. First operand 40021 states and 58477 transitions. Second operand 8 states. [2020-10-14 20:07:31,314 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 20:07:32,159 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 20:07:48,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:07:48,145 INFO L93 Difference]: Finished difference Result 80770 states and 119007 transitions. [2020-10-14 20:07:48,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:07:48,150 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1015 [2020-10-14 20:07:48,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:07:48,304 INFO L225 Difference]: With dead ends: 80770 [2020-10-14 20:07:48,304 INFO L226 Difference]: Without dead ends: 40755 [2020-10-14 20:07:48,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:07:48,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40755 states. [2020-10-14 20:07:49,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40755 to 40608. [2020-10-14 20:07:49,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40608 states. [2020-10-14 20:07:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40608 states to 40608 states and 59214 transitions. [2020-10-14 20:07:49,694 INFO L78 Accepts]: Start accepts. Automaton has 40608 states and 59214 transitions. Word has length 1015 [2020-10-14 20:07:49,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:07:49,695 INFO L479 AbstractCegarLoop]: Abstraction has 40608 states and 59214 transitions. [2020-10-14 20:07:49,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:07:49,695 INFO L276 IsEmpty]: Start isEmpty. Operand 40608 states and 59214 transitions. [2020-10-14 20:07:49,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2020-10-14 20:07:49,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:07:49,811 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:07:49,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:07:49,811 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:07:49,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:07:49,812 INFO L82 PathProgramCache]: Analyzing trace with hash -608884320, now seen corresponding path program 1 times [2020-10-14 20:07:49,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:07:49,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378234271] [2020-10-14 20:07:49,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:07:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:49,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:50,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:50,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:54,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:54,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1040 [2020-10-14 20:07:54,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:07:54,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 20:07:54,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:54,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:54,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:07:54,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 20:07:54,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 20:07:54,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:55,233 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 20:07:55,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:07:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:55,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:55,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:55,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:07:55,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:07:55,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:07:55,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:55,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:07:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:07:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:07:55,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:55,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:07:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:55,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:55,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:55,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 20:07:55,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:07:55,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 20:07:55,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:55,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:55,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:07:55,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:07:55,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 20:07:55,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:55,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 20:07:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:07:55,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:55,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:07:55,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:07:55,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 20:07:55,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:07:55,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 20:07:55,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:07:55,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:07:55,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:07:55,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:07:55,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-14 20:07:55,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:07:55,921 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:07:55,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378234271] [2020-10-14 20:07:55,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:07:55,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:07:55,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792420703] [2020-10-14 20:07:55,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:07:55,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:07:55,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:07:55,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:07:55,924 INFO L87 Difference]: Start difference. First operand 40608 states and 59214 transitions. Second operand 7 states. [2020-10-14 20:07:56,093 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 20:07:57,918 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 20:08:14,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:08:14,161 INFO L93 Difference]: Finished difference Result 123568 states and 200736 transitions. [2020-10-14 20:08:14,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:08:14,162 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1020 [2020-10-14 20:08:14,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:08:14,410 INFO L225 Difference]: With dead ends: 123568 [2020-10-14 20:08:14,410 INFO L226 Difference]: Without dead ends: 82966 [2020-10-14 20:08:14,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:08:14,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82966 states. [2020-10-14 20:08:16,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82966 to 82408. [2020-10-14 20:08:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82408 states. [2020-10-14 20:08:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82408 states to 82408 states and 123419 transitions. [2020-10-14 20:08:17,055 INFO L78 Accepts]: Start accepts. Automaton has 82408 states and 123419 transitions. Word has length 1020 [2020-10-14 20:08:17,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:08:17,055 INFO L479 AbstractCegarLoop]: Abstraction has 82408 states and 123419 transitions. [2020-10-14 20:08:17,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:08:17,056 INFO L276 IsEmpty]: Start isEmpty. Operand 82408 states and 123419 transitions. [2020-10-14 20:08:17,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1025 [2020-10-14 20:08:17,343 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:08:17,344 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:08:17,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:08:17,344 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:08:17,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:08:17,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1828415441, now seen corresponding path program 1 times [2020-10-14 20:08:17,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:08:17,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881510487] [2020-10-14 20:08:17,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:08:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:08:17,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:08:17,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:08:22,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:08:22,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1044 [2020-10-14 20:08:22,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:08:22,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5136 [2020-10-14 20:08:22,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:08:22,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:08:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:08:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 20:08:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 20:08:22,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:08:22,976 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 20:08:22,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:08:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:08:22,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:08:22,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:08:22,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:08:22,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:08:22,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:08:22,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:08:22,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:08:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:08:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:08:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:08:22,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:08:23,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:08:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:08:23,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:08:23,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:08:23,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 20:08:23,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:08:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 20:08:23,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:08:23,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:08:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:08:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:08:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 20:08:23,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:08:23,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 20:08:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:08:23,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:08:23,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:08:23,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 20:08:23,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:08:23,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 20:08:23,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:08:23,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:08:23,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:08:23,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:08:23,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 20:08:23,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0