/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/Problem11_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:58:49,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:58:49,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:58:49,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:58:49,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:58:49,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:58:49,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:58:49,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:58:49,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:58:49,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:58:49,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:58:49,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:58:49,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:58:49,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:58:49,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:58:49,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:58:49,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:58:49,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:58:49,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:58:49,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:58:49,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:58:49,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:58:49,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:58:49,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:58:49,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:58:49,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:58:49,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:58:49,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:58:49,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:58:49,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:58:49,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:58:49,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:58:49,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:58:49,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:58:49,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:58:49,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:58:49,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:58:49,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:58:49,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:58:49,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:58:49,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:58:49,240 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 20:58:49,277 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:58:49,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:58:49,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:58:49,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:58:49,279 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:58:49,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:58:49,279 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:58:49,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:58:49,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:58:49,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:58:49,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:58:49,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:58:49,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:58:49,280 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:58:49,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:58:49,281 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:58:49,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:58:49,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:58:49,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:58:49,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:58:49,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:58:49,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:58:49,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:58:49,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:58:49,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:58:49,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:58:49,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:58:49,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:58:49,283 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:58:49,284 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 20:58:49,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:58:49,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:58:49,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:58:49,598 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:58:49,598 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:58:49,599 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label26.c [2020-10-14 20:58:49,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96c74cbd1/1e1265cdf833467786411684590f717b/FLAGb482fdc88 [2020-10-14 20:58:50,210 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:58:50,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label26.c [2020-10-14 20:58:50,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96c74cbd1/1e1265cdf833467786411684590f717b/FLAGb482fdc88 [2020-10-14 20:58:50,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96c74cbd1/1e1265cdf833467786411684590f717b [2020-10-14 20:58:50,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:58:50,449 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:58:50,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:58:50,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:58:50,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:58:50,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:58:50" (1/1) ... [2020-10-14 20:58:50,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ad693f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:50, skipping insertion in model container [2020-10-14 20:58:50,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:58:50" (1/1) ... [2020-10-14 20:58:50,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:58:50,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:58:51,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:58:51,330 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:58:51,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:58:51,549 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:58:51,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:51 WrapperNode [2020-10-14 20:58:51,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:58:51,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:58:51,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:58:51,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:58:51,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:51" (1/1) ... [2020-10-14 20:58:51,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:51" (1/1) ... [2020-10-14 20:58:51,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:51" (1/1) ... [2020-10-14 20:58:51,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:51" (1/1) ... [2020-10-14 20:58:51,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:51" (1/1) ... [2020-10-14 20:58:51,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:51" (1/1) ... [2020-10-14 20:58:51,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:51" (1/1) ... [2020-10-14 20:58:51,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:58:51,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:58:51,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:58:51,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:58:51,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:51" (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 20:58:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:58:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:58:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:58:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:58:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:58:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:58:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:58:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:58:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:58:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:58:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:58:53,392 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:58:53,393 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:58:53,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:58:53 BoogieIcfgContainer [2020-10-14 20:58:53,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:58:53,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:58:53,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:58:53,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:58:53,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:58:50" (1/3) ... [2020-10-14 20:58:53,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644aa11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:58:53, skipping insertion in model container [2020-10-14 20:58:53,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:58:51" (2/3) ... [2020-10-14 20:58:53,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644aa11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:58:53, skipping insertion in model container [2020-10-14 20:58:53,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:58:53" (3/3) ... [2020-10-14 20:58:53,408 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label26.c [2020-10-14 20:58:53,418 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:58:53,427 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:58:53,440 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:58:53,466 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:58:53,466 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:58:53,467 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:58:53,467 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:58:53,467 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:58:53,467 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:58:53,467 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:58:53,468 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:58:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 20:58:53,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-14 20:58:53,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:53,520 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] [2020-10-14 20:58:53,521 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:53,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:53,529 INFO L82 PathProgramCache]: Analyzing trace with hash -2020342670, now seen corresponding path program 1 times [2020-10-14 20:58:53,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:53,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071765311] [2020-10-14 20:58:53,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:53,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:54,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:54,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-14 20:58:54,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:54,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 460 [2020-10-14 20:58:54,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:54,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:54,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:58:54,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:58:54,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 20:58:54,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:58:54,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:54,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:54,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:54,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:54,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:54,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 20:58:54,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:54,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:54,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:54,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:54,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:58:54,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:54,431 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 20:58:54,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071765311] [2020-10-14 20:58:54,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:58:54,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 20:58:54,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214786913] [2020-10-14 20:58:54,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:58:54,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:58:54,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:58:54,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:58:54,464 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 5 states. [2020-10-14 20:58:57,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:58:57,629 INFO L93 Difference]: Finished difference Result 999 states and 1795 transitions. [2020-10-14 20:58:57,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:58:57,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2020-10-14 20:58:57,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:58:57,654 INFO L225 Difference]: With dead ends: 999 [2020-10-14 20:58:57,654 INFO L226 Difference]: Without dead ends: 639 [2020-10-14 20:58:57,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:58:57,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2020-10-14 20:58:57,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 621. [2020-10-14 20:58:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-14 20:58:57,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 956 transitions. [2020-10-14 20:58:57,763 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 956 transitions. Word has length 45 [2020-10-14 20:58:57,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:58:57,763 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 956 transitions. [2020-10-14 20:58:57,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:58:57,764 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 956 transitions. [2020-10-14 20:58:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 20:58:57,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:58:57,770 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:58:57,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:58:57,771 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:58:57,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:58:57,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1793518198, now seen corresponding path program 1 times [2020-10-14 20:58:57,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:58:57,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494305944] [2020-10-14 20:58:57,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:58:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:57,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:57,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:58,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:59,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:59,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 20:58:59,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:58:59,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1918 [2020-10-14 20:58:59,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:59,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:58:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:58:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 20:58:59,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:59,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:58:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:59,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:58:59,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:58:59,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:58:59,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:58:59,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:58:59,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:58:59,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:58:59,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:58:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:58:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:58:59,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:58:59,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:58:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:58:59,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:00,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:00,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:59:00,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:00,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-14 20:59:00,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:00,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:00,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:00,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:00,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:59:00,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 20:59:00,326 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:59:00,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494305944] [2020-10-14 20:59:00,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:59:00,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:59:00,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219243432] [2020-10-14 20:59:00,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:00,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:00,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:00,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:00,331 INFO L87 Difference]: Start difference. First operand 621 states and 956 transitions. Second operand 7 states. [2020-10-14 20:59:02,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:02,717 INFO L93 Difference]: Finished difference Result 1632 states and 2520 transitions. [2020-10-14 20:59:02,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:59:02,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2020-10-14 20:59:02,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:02,725 INFO L225 Difference]: With dead ends: 1632 [2020-10-14 20:59:02,725 INFO L226 Difference]: Without dead ends: 1017 [2020-10-14 20:59:02,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:59:02,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-10-14 20:59:02,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 1006. [2020-10-14 20:59:02,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1006 states. [2020-10-14 20:59:02,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1368 transitions. [2020-10-14 20:59:02,798 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1368 transitions. Word has length 119 [2020-10-14 20:59:02,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:02,798 INFO L479 AbstractCegarLoop]: Abstraction has 1006 states and 1368 transitions. [2020-10-14 20:59:02,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:02,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1368 transitions. [2020-10-14 20:59:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-14 20:59:02,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:02,806 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:02,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:59:02,806 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:02,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:02,806 INFO L82 PathProgramCache]: Analyzing trace with hash -373682948, now seen corresponding path program 1 times [2020-10-14 20:59:02,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:02,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636450949] [2020-10-14 20:59:02,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:02,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:03,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:03,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:04,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:04,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-14 20:59:04,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:59:04,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2109 [2020-10-14 20:59:04,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:04,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:04,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:04,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 20:59:04,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:59:04,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:05,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:05,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:05,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:05,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:05,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:05,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:05,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:05,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:05,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:05,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:05,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:05,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:05,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:05,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:05,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:05,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:59:05,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:05,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-14 20:59:05,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:05,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:05,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:05,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:05,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:59:05,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:05,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:59:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:05,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:05,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:05,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:59:05,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:05,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-14 20:59:05,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:05,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:05,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:05,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:05,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:59:05,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:05,714 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:59:05,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636450949] [2020-10-14 20:59:05,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:05,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:05,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017778159] [2020-10-14 20:59:05,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:05,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:05,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:05,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:05,717 INFO L87 Difference]: Start difference. First operand 1006 states and 1368 transitions. Second operand 7 states. [2020-10-14 20:59:08,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:08,428 INFO L93 Difference]: Finished difference Result 1837 states and 2681 transitions. [2020-10-14 20:59:08,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:59:08,430 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-10-14 20:59:08,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:08,454 INFO L225 Difference]: With dead ends: 1837 [2020-10-14 20:59:08,454 INFO L226 Difference]: Without dead ends: 1216 [2020-10-14 20:59:08,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:59:08,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2020-10-14 20:59:08,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1207. [2020-10-14 20:59:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-10-14 20:59:08,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1618 transitions. [2020-10-14 20:59:08,509 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1618 transitions. Word has length 235 [2020-10-14 20:59:08,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:08,510 INFO L479 AbstractCegarLoop]: Abstraction has 1207 states and 1618 transitions. [2020-10-14 20:59:08,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:08,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1618 transitions. [2020-10-14 20:59:08,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-14 20:59:08,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:08,517 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:08,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:59:08,517 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:08,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:08,517 INFO L82 PathProgramCache]: Analyzing trace with hash 281094640, now seen corresponding path program 1 times [2020-10-14 20:59:08,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:08,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313099357] [2020-10-14 20:59:08,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:08,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:08,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:09,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:09,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-14 20:59:09,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:09,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 571 [2020-10-14 20:59:09,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:09,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:09,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:59:09,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 20:59:09,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:09,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:09,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:09,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:09,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:09,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:09,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:59:09,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:09,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:09,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:09,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:09,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:09,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:09,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:09,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:09,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:09,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:59:09,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:09,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 20:59:09,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:09,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:09,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:09,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:59:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:09,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:09,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:09,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 20:59:09,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:09,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 20:59:09,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:09,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:09,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:09,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:09,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:59:09,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-14 20:59:09,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313099357] [2020-10-14 20:59:09,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:09,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:59:09,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819667905] [2020-10-14 20:59:09,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:59:09,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:09,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:59:09,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:59:09,594 INFO L87 Difference]: Start difference. First operand 1207 states and 1618 transitions. Second operand 5 states. [2020-10-14 20:59:11,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:11,556 INFO L93 Difference]: Finished difference Result 2424 states and 3472 transitions. [2020-10-14 20:59:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:59:11,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 245 [2020-10-14 20:59:11,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:11,575 INFO L225 Difference]: With dead ends: 2424 [2020-10-14 20:59:11,575 INFO L226 Difference]: Without dead ends: 1602 [2020-10-14 20:59:11,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:59:11,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2020-10-14 20:59:11,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 1596. [2020-10-14 20:59:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1596 states. [2020-10-14 20:59:11,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1596 states and 2088 transitions. [2020-10-14 20:59:11,624 INFO L78 Accepts]: Start accepts. Automaton has 1596 states and 2088 transitions. Word has length 245 [2020-10-14 20:59:11,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:11,625 INFO L479 AbstractCegarLoop]: Abstraction has 1596 states and 2088 transitions. [2020-10-14 20:59:11,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:59:11,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 2088 transitions. [2020-10-14 20:59:11,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-14 20:59:11,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:11,630 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:11,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:59:11,630 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:11,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:11,631 INFO L82 PathProgramCache]: Analyzing trace with hash 2015295600, now seen corresponding path program 1 times [2020-10-14 20:59:11,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:11,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709041747] [2020-10-14 20:59:11,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:11,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:11,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:12,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:13,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:13,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-14 20:59:13,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:59:13,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2210 [2020-10-14 20:59:13,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:13,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-14 20:59:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:59:13,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:14,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:14,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:14,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:14,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:14,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:14,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:59:14,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:14,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:14,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:14,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:14,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:14,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:14,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:59:14,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:14,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 20:59:14,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:14,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:14,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 20:59:14,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:14,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:59:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:14,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:14,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:14,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:59:14,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:14,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 20:59:14,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:14,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:14,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:14,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:14,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:59:14,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:14,527 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:59:14,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709041747] [2020-10-14 20:59:14,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:14,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:14,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667593720] [2020-10-14 20:59:14,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:14,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:14,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:14,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:14,531 INFO L87 Difference]: Start difference. First operand 1596 states and 2088 transitions. Second operand 7 states. [2020-10-14 20:59:16,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:16,972 INFO L93 Difference]: Finished difference Result 3013 states and 4125 transitions. [2020-10-14 20:59:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:59:16,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2020-10-14 20:59:16,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:16,991 INFO L225 Difference]: With dead ends: 3013 [2020-10-14 20:59:16,992 INFO L226 Difference]: Without dead ends: 1802 [2020-10-14 20:59:16,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:59:16,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2020-10-14 20:59:17,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1792. [2020-10-14 20:59:17,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1792 states. [2020-10-14 20:59:17,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2348 transitions. [2020-10-14 20:59:17,055 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2348 transitions. Word has length 245 [2020-10-14 20:59:17,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:17,056 INFO L479 AbstractCegarLoop]: Abstraction has 1792 states and 2348 transitions. [2020-10-14 20:59:17,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:17,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2348 transitions. [2020-10-14 20:59:17,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-14 20:59:17,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:17,064 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:17,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:59:17,064 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:17,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:17,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1432667709, now seen corresponding path program 1 times [2020-10-14 20:59:17,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:17,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1755765248] [2020-10-14 20:59:17,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:17,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:17,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:18,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:19,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:19,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-14 20:59:19,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:59:19,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1905 [2020-10-14 20:59:19,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:19,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 20:59:19,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:59:19,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:19,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:19,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:19,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:19,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:19,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:19,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:19,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:19,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:19,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:19,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:19,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:19,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:19,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:19,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:19,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:19,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 20:59:19,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:19,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 20:59:19,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:19,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:19,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:19,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:19,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 20:59:19,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:19,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 20:59:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:19,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:19,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:19,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:59:19,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:19,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-14 20:59:19,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:19,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:19,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:59:19,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:19,837 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:59:19,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1755765248] [2020-10-14 20:59:19,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:19,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:19,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765502577] [2020-10-14 20:59:19,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:19,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:19,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:19,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:19,843 INFO L87 Difference]: Start difference. First operand 1792 states and 2348 transitions. Second operand 7 states. [2020-10-14 20:59:22,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:22,793 INFO L93 Difference]: Finished difference Result 3657 states and 5038 transitions. [2020-10-14 20:59:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 20:59:22,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 266 [2020-10-14 20:59:22,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:22,807 INFO L225 Difference]: With dead ends: 3657 [2020-10-14 20:59:22,808 INFO L226 Difference]: Without dead ends: 2250 [2020-10-14 20:59:22,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:59:22,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2020-10-14 20:59:22,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 2212. [2020-10-14 20:59:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2212 states. [2020-10-14 20:59:22,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 2875 transitions. [2020-10-14 20:59:22,890 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 2875 transitions. Word has length 266 [2020-10-14 20:59:22,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:22,891 INFO L479 AbstractCegarLoop]: Abstraction has 2212 states and 2875 transitions. [2020-10-14 20:59:22,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:22,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2875 transitions. [2020-10-14 20:59:22,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-10-14 20:59:22,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:22,901 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:59:22,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:59:22,901 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:22,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:22,902 INFO L82 PathProgramCache]: Analyzing trace with hash -7744267, now seen corresponding path program 1 times [2020-10-14 20:59:22,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:22,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069842243] [2020-10-14 20:59:22,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:23,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:23,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:23,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:24,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:25,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:25,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:25,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-14 20:59:25,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:59:25,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2915 [2020-10-14 20:59:25,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:25,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:25,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:59:25,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:59:25,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-10-14 20:59:25,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:25,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:25,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:25,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:25,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:25,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:25,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 20:59:25,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:25,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:25,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:25,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:59:25,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:25,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:26,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:26,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:26,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:26,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:59:26,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:26,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-14 20:59:26,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:26,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:59:26,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:26,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:59:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:26,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:26,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:26,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:26,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:59:26,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:26,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-14 20:59:26,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:26,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:26,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:26,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:26,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 20:59:26,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 20:59:26,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069842243] [2020-10-14 20:59:26,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:26,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:26,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324339303] [2020-10-14 20:59:26,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:26,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:26,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:26,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:26,811 INFO L87 Difference]: Start difference. First operand 2212 states and 2875 transitions. Second operand 7 states. [2020-10-14 20:59:29,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:29,723 INFO L93 Difference]: Finished difference Result 5261 states and 7488 transitions. [2020-10-14 20:59:29,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:59:29,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 298 [2020-10-14 20:59:29,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:29,744 INFO L225 Difference]: With dead ends: 5261 [2020-10-14 20:59:29,744 INFO L226 Difference]: Without dead ends: 3434 [2020-10-14 20:59:29,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:29,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2020-10-14 20:59:29,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 3180. [2020-10-14 20:59:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3180 states. [2020-10-14 20:59:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 3180 states and 4058 transitions. [2020-10-14 20:59:29,860 INFO L78 Accepts]: Start accepts. Automaton has 3180 states and 4058 transitions. Word has length 298 [2020-10-14 20:59:29,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:29,860 INFO L479 AbstractCegarLoop]: Abstraction has 3180 states and 4058 transitions. [2020-10-14 20:59:29,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:29,861 INFO L276 IsEmpty]: Start isEmpty. Operand 3180 states and 4058 transitions. [2020-10-14 20:59:29,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-14 20:59:29,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:29,870 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:29,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:59:29,871 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:29,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:29,871 INFO L82 PathProgramCache]: Analyzing trace with hash 16955154, now seen corresponding path program 1 times [2020-10-14 20:59:29,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:29,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511359141] [2020-10-14 20:59:29,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:30,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:30,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:30,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:32,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:32,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-14 20:59:32,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:59:32,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2158 [2020-10-14 20:59:32,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:32,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:32,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:32,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-10-14 20:59:32,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:59:32,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:32,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:32,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:32,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:32,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:32,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:32,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:32,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:32,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:32,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:32,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:32,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:32,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:32,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:32,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:32,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:32,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 20:59:32,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:32,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-14 20:59:32,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:32,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 20:59:32,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:32,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 20:59:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:32,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:32,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:32,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:59:32,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:32,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-14 20:59:32,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:32,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:59:32,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:32,789 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 147 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:59:32,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511359141] [2020-10-14 20:59:32,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:32,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:32,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756612477] [2020-10-14 20:59:32,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:32,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:32,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:32,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:32,792 INFO L87 Difference]: Start difference. First operand 3180 states and 4058 transitions. Second operand 7 states. [2020-10-14 20:59:35,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:35,186 INFO L93 Difference]: Finished difference Result 6604 states and 8588 transitions. [2020-10-14 20:59:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:59:35,187 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 304 [2020-10-14 20:59:35,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:35,203 INFO L225 Difference]: With dead ends: 6604 [2020-10-14 20:59:35,203 INFO L226 Difference]: Without dead ends: 3808 [2020-10-14 20:59:35,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:59:35,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3808 states. [2020-10-14 20:59:35,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3808 to 3790. [2020-10-14 20:59:35,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3790 states. [2020-10-14 20:59:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3790 states to 3790 states and 4866 transitions. [2020-10-14 20:59:35,291 INFO L78 Accepts]: Start accepts. Automaton has 3790 states and 4866 transitions. Word has length 304 [2020-10-14 20:59:35,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:35,292 INFO L479 AbstractCegarLoop]: Abstraction has 3790 states and 4866 transitions. [2020-10-14 20:59:35,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 3790 states and 4866 transitions. [2020-10-14 20:59:35,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-14 20:59:35,301 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:35,301 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:59:35,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:59:35,302 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:35,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:35,302 INFO L82 PathProgramCache]: Analyzing trace with hash -481087421, now seen corresponding path program 1 times [2020-10-14 20:59:35,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:35,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627411952] [2020-10-14 20:59:35,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:35,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:35,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:35,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:37,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:37,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:37,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:37,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-14 20:59:37,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:59:37,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2358 [2020-10-14 20:59:37,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:37,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:37,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:59:37,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:59:37,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-14 20:59:37,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:37,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:37,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:37,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:37,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:37,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:37,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:37,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:37,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:37,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:37,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:37,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:37,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:37,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:37,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:38,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:38,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:38,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:38,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-14 20:59:38,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:38,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:38,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:38,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:38,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:59:38,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:38,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:59:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:38,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:38,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:38,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:38,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 20:59:38,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:59:38,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-10-14 20:59:38,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:38,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:38,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 20:59:38,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:38,683 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 162 proven. 38 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:59:38,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627411952] [2020-10-14 20:59:38,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:38,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:59:38,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529105874] [2020-10-14 20:59:38,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:59:38,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:38,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:59:38,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:59:38,685 INFO L87 Difference]: Start difference. First operand 3790 states and 4866 transitions. Second operand 6 states. [2020-10-14 20:59:40,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:40,797 INFO L93 Difference]: Finished difference Result 7242 states and 9518 transitions. [2020-10-14 20:59:40,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:59:40,799 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 313 [2020-10-14 20:59:40,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:40,814 INFO L225 Difference]: With dead ends: 7242 [2020-10-14 20:59:40,815 INFO L226 Difference]: Without dead ends: 3836 [2020-10-14 20:59:40,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:59:40,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2020-10-14 20:59:40,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3784. [2020-10-14 20:59:40,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3784 states. [2020-10-14 20:59:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3784 states to 3784 states and 4570 transitions. [2020-10-14 20:59:40,908 INFO L78 Accepts]: Start accepts. Automaton has 3784 states and 4570 transitions. Word has length 313 [2020-10-14 20:59:40,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:40,909 INFO L479 AbstractCegarLoop]: Abstraction has 3784 states and 4570 transitions. [2020-10-14 20:59:40,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:59:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 3784 states and 4570 transitions. [2020-10-14 20:59:40,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-14 20:59:40,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:40,918 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:40,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:59:40,919 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:40,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:40,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2118302321, now seen corresponding path program 1 times [2020-10-14 20:59:40,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:40,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887446292] [2020-10-14 20:59:40,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:41,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:41,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:41,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:43,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:43,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-14 20:59:43,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:59:43,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2173 [2020-10-14 20:59:43,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:43,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:43,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 20:59:43,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:59:43,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 320 [2020-10-14 20:59:43,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:43,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:43,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:43,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:43,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:43,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:43,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:59:43,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:43,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:43,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:43,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:43,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:59:43,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:43,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:43,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:43,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:43,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 20:59:43,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:43,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-14 20:59:43,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:43,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-14 20:59:43,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:43,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 20:59:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:43,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:43,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:43,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 20:59:43,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:43,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 20:59:43,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:43,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:43,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-14 20:59:43,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:43,748 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-14 20:59:43,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887446292] [2020-10-14 20:59:43,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:43,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:59:43,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312796324] [2020-10-14 20:59:43,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:43,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:43,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:43,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:43,750 INFO L87 Difference]: Start difference. First operand 3784 states and 4570 transitions. Second operand 7 states. [2020-10-14 20:59:46,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:46,722 INFO L93 Difference]: Finished difference Result 11127 states and 13451 transitions. [2020-10-14 20:59:46,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:59:46,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 314 [2020-10-14 20:59:46,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:46,751 INFO L225 Difference]: With dead ends: 11127 [2020-10-14 20:59:46,751 INFO L226 Difference]: Without dead ends: 7727 [2020-10-14 20:59:46,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:59:46,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7727 states. [2020-10-14 20:59:46,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7727 to 6724. [2020-10-14 20:59:46,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6724 states. [2020-10-14 20:59:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6724 states to 6724 states and 8050 transitions. [2020-10-14 20:59:46,911 INFO L78 Accepts]: Start accepts. Automaton has 6724 states and 8050 transitions. Word has length 314 [2020-10-14 20:59:46,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:46,911 INFO L479 AbstractCegarLoop]: Abstraction has 6724 states and 8050 transitions. [2020-10-14 20:59:46,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 6724 states and 8050 transitions. [2020-10-14 20:59:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-14 20:59:46,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:46,926 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:59:46,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:59:46,926 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:46,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:46,927 INFO L82 PathProgramCache]: Analyzing trace with hash -742729100, now seen corresponding path program 1 times [2020-10-14 20:59:46,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:46,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359253079] [2020-10-14 20:59:46,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:47,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:47,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:47,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:48,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:48,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:48,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-14 20:59:48,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:59:48,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1894 [2020-10-14 20:59:48,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:48,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:59:48,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:59:48,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:48,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:48,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:48,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:48,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:48,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:48,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:59:48,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:48,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:48,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:48,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:48,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:48,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:49,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:49,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:49,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:49,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:59:49,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:49,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 20:59:49,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:49,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:49,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:49,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:49,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:49,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:59:49,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:59:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:49,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:49,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:49,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 20:59:49,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:49,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 20:59:49,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:49,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:59:49,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:49,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:59:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:49,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:49,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:49,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:59:49,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:49,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 20:59:49,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:49,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:59:49,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 261 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 20:59:49,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359253079] [2020-10-14 20:59:49,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:49,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:49,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961075022] [2020-10-14 20:59:49,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:49,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:49,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:49,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:49,362 INFO L87 Difference]: Start difference. First operand 6724 states and 8050 transitions. Second operand 7 states. [2020-10-14 20:59:51,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:51,828 INFO L93 Difference]: Finished difference Result 13505 states and 16302 transitions. [2020-10-14 20:59:51,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:59:51,838 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 319 [2020-10-14 20:59:51,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:51,859 INFO L225 Difference]: With dead ends: 13505 [2020-10-14 20:59:51,859 INFO L226 Difference]: Without dead ends: 7165 [2020-10-14 20:59:51,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:51,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7165 states. [2020-10-14 20:59:51,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7165 to 6156. [2020-10-14 20:59:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6156 states. [2020-10-14 20:59:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6156 states to 6156 states and 7465 transitions. [2020-10-14 20:59:51,981 INFO L78 Accepts]: Start accepts. Automaton has 6156 states and 7465 transitions. Word has length 319 [2020-10-14 20:59:51,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:51,981 INFO L479 AbstractCegarLoop]: Abstraction has 6156 states and 7465 transitions. [2020-10-14 20:59:51,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:51,981 INFO L276 IsEmpty]: Start isEmpty. Operand 6156 states and 7465 transitions. [2020-10-14 20:59:51,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-14 20:59:51,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:51,990 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 20:59:51,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:59:51,990 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:51,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:51,991 INFO L82 PathProgramCache]: Analyzing trace with hash -19120955, now seen corresponding path program 1 times [2020-10-14 20:59:51,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:51,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866227179] [2020-10-14 20:59:51,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:52,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:52,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:52,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:52,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:54,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:55,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:55,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-14 20:59:55,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:59:55,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3503 [2020-10-14 20:59:55,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:55,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:59:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:59:55,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:55,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:59:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:55,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:55,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:55,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:59:55,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:55,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 20:59:55,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:55,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:55,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:55,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:55,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:55,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:55,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:59:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:55,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:55,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:55,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:59:55,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:55,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 20:59:55,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:55,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:55,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:59:55,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:59:55,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:59:55,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:55,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:59:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:55,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:55,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:55,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 20:59:55,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:55,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 20:59:55,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:55,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:55,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:59:55,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:59:55,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 20:59:55,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:55,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 20:59:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:55,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:55,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:59:55,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:59:55,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:59:55,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 20:59:55,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:59:55,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:59:55,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:59:55,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-14 20:59:55,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:59:55,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:59:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 184 proven. 68 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-14 20:59:55,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866227179] [2020-10-14 20:59:55,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:59:55,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:59:55,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214424956] [2020-10-14 20:59:55,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:59:55,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:59:55,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:59:55,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:59:55,916 INFO L87 Difference]: Start difference. First operand 6156 states and 7465 transitions. Second operand 7 states. [2020-10-14 20:59:58,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:59:58,660 INFO L93 Difference]: Finished difference Result 14924 states and 19182 transitions. [2020-10-14 20:59:58,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:59:58,661 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 319 [2020-10-14 20:59:58,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:59:58,690 INFO L225 Difference]: With dead ends: 14924 [2020-10-14 20:59:58,690 INFO L226 Difference]: Without dead ends: 9152 [2020-10-14 20:59:58,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:59:58,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9152 states. [2020-10-14 20:59:58,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9152 to 9044. [2020-10-14 20:59:58,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9044 states. [2020-10-14 20:59:58,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9044 states to 9044 states and 10827 transitions. [2020-10-14 20:59:58,904 INFO L78 Accepts]: Start accepts. Automaton has 9044 states and 10827 transitions. Word has length 319 [2020-10-14 20:59:58,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:59:58,905 INFO L479 AbstractCegarLoop]: Abstraction has 9044 states and 10827 transitions. [2020-10-14 20:59:58,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:59:58,906 INFO L276 IsEmpty]: Start isEmpty. Operand 9044 states and 10827 transitions. [2020-10-14 20:59:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-10-14 20:59:58,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:59:58,925 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 20:59:58,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 20:59:58,925 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:59:58,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:59:58,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1328604689, now seen corresponding path program 1 times [2020-10-14 20:59:58,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:59:58,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150618013] [2020-10-14 20:59:58,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:59:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:59:59,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:59:59,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:00,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:00,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 396 [2020-10-14 21:00:00,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:00,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-10-14 21:00:00,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:00,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:00:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-14 21:00:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 21:00:00,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:00,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:00,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:00,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:00,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:00,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:00,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:00,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:00,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:00,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:00,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:00,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:00,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:00,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:00:00,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:00,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:00:00,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:00,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:00,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:00,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:00,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:00,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:00,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:00:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:00,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:00,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:00,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:00:00,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 21:00:00,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:00,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 21:00:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:00,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-14 21:00:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:00,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:00,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:00,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:00,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 21:00:00,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:00,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 21:00:00,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:00,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:00,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:00,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 21:00:00,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 252 proven. 39 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-10-14 21:00:00,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150618013] [2020-10-14 21:00:00,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:00,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:00,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401482342] [2020-10-14 21:00:00,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:00,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:00,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:00,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:00,601 INFO L87 Difference]: Start difference. First operand 9044 states and 10827 transitions. Second operand 7 states. [2020-10-14 21:00:03,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:03,385 INFO L93 Difference]: Finished difference Result 17731 states and 21608 transitions. [2020-10-14 21:00:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:00:03,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 382 [2020-10-14 21:00:03,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:03,416 INFO L225 Difference]: With dead ends: 17731 [2020-10-14 21:00:03,417 INFO L226 Difference]: Without dead ends: 11001 [2020-10-14 21:00:03,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:03,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11001 states. [2020-10-14 21:00:03,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11001 to 10781. [2020-10-14 21:00:03,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10781 states. [2020-10-14 21:00:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10781 states to 10781 states and 12863 transitions. [2020-10-14 21:00:03,616 INFO L78 Accepts]: Start accepts. Automaton has 10781 states and 12863 transitions. Word has length 382 [2020-10-14 21:00:03,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:03,616 INFO L479 AbstractCegarLoop]: Abstraction has 10781 states and 12863 transitions. [2020-10-14 21:00:03,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:03,617 INFO L276 IsEmpty]: Start isEmpty. Operand 10781 states and 12863 transitions. [2020-10-14 21:00:03,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-10-14 21:00:03,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:03,631 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 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 21:00:03,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:00:03,632 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:03,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:03,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1494526842, now seen corresponding path program 1 times [2020-10-14 21:00:03,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:03,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626579922] [2020-10-14 21:00:03,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:03,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:03,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:04,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:04,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:04,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:04,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:05,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:05,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:05,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 420 [2020-10-14 21:00:05,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 21:00:05,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2227 [2020-10-14 21:00:05,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:05,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:05,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:05,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:00:05,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 370 [2020-10-14 21:00:05,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:06,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:06,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:06,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:06,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:06,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:06,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:00:06,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:06,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:00:06,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:06,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:06,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:06,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:06,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:06,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:00:06,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:06,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:00:06,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:06,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:06,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:06,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:06,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 21:00:06,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:06,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:00:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:06,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:06,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:06,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:06,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:00:06,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:06,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 21:00:06,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:06,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:06,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:06,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:06,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 21:00:06,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:06,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-14 21:00:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:06,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:06,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:06,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:06,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 21:00:06,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:06,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 21:00:06,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:06,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:06,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-14 21:00:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 21:00:06,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 120 proven. 2 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2020-10-14 21:00:06,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626579922] [2020-10-14 21:00:06,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:06,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:00:06,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673061146] [2020-10-14 21:00:06,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 21:00:06,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:06,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 21:00:06,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:00:06,477 INFO L87 Difference]: Start difference. First operand 10781 states and 12863 transitions. Second operand 6 states. [2020-10-14 21:00:08,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:08,119 INFO L93 Difference]: Finished difference Result 19261 states and 23064 transitions. [2020-10-14 21:00:08,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:00:08,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 406 [2020-10-14 21:00:08,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:08,147 INFO L225 Difference]: With dead ends: 19261 [2020-10-14 21:00:08,147 INFO L226 Difference]: Without dead ends: 10794 [2020-10-14 21:00:08,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:08,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10794 states. [2020-10-14 21:00:08,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10794 to 10769. [2020-10-14 21:00:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10769 states. [2020-10-14 21:00:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10769 states to 10769 states and 12831 transitions. [2020-10-14 21:00:08,351 INFO L78 Accepts]: Start accepts. Automaton has 10769 states and 12831 transitions. Word has length 406 [2020-10-14 21:00:08,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:08,351 INFO L479 AbstractCegarLoop]: Abstraction has 10769 states and 12831 transitions. [2020-10-14 21:00:08,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 21:00:08,352 INFO L276 IsEmpty]: Start isEmpty. Operand 10769 states and 12831 transitions. [2020-10-14 21:00:08,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-10-14 21:00:08,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:08,377 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:08,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:00:08,377 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:08,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:08,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1952124554, now seen corresponding path program 1 times [2020-10-14 21:00:08,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:08,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [328131775] [2020-10-14 21:00:08,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:08,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:08,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:09,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:12,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:12,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 530 [2020-10-14 21:00:12,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:00:12,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4500 [2020-10-14 21:00:12,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:12,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:12,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 21:00:12,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:00:12,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 481 [2020-10-14 21:00:12,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:13,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:13,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:13,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:13,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:13,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:13,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:00:13,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:13,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:00:13,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:13,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:13,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:13,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:13,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 21:00:13,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 21:00:13,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:13,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 21:00:13,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:13,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 21:00:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:13,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:13,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:13,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:00:13,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:13,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-14 21:00:13,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:13,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:00:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 21:00:13,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:13,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-14 21:00:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:13,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:13,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:13,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 21:00:13,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 21:00:13,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:13,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:00:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:13,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-10-14 21:00:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:13,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:13,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:13,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:13,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:13,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-14 21:00:13,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:13,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:13,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:13,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:13,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 21:00:13,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 313 proven. 320 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-10-14 21:00:14,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [328131775] [2020-10-14 21:00:14,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:14,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 21:00:14,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394522248] [2020-10-14 21:00:14,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:00:14,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:14,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:00:14,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:00:14,279 INFO L87 Difference]: Start difference. First operand 10769 states and 12831 transitions. Second operand 11 states. [2020-10-14 21:00:18,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:18,449 INFO L93 Difference]: Finished difference Result 20071 states and 25279 transitions. [2020-10-14 21:00:18,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 21:00:18,450 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 514 [2020-10-14 21:00:18,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:18,489 INFO L225 Difference]: With dead ends: 20071 [2020-10-14 21:00:18,489 INFO L226 Difference]: Without dead ends: 11616 [2020-10-14 21:00:18,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2020-10-14 21:00:18,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11616 states. [2020-10-14 21:00:18,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11616 to 11173. [2020-10-14 21:00:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11173 states. [2020-10-14 21:00:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11173 states to 11173 states and 13277 transitions. [2020-10-14 21:00:18,766 INFO L78 Accepts]: Start accepts. Automaton has 11173 states and 13277 transitions. Word has length 514 [2020-10-14 21:00:18,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:18,767 INFO L479 AbstractCegarLoop]: Abstraction has 11173 states and 13277 transitions. [2020-10-14 21:00:18,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:00:18,767 INFO L276 IsEmpty]: Start isEmpty. Operand 11173 states and 13277 transitions. [2020-10-14 21:00:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-10-14 21:00:18,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:18,792 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:18,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:00:18,792 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:18,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:18,792 INFO L82 PathProgramCache]: Analyzing trace with hash -465760241, now seen corresponding path program 1 times [2020-10-14 21:00:18,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:18,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [426319280] [2020-10-14 21:00:18,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:18,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:19,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:20,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:21,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:24,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:24,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 547 [2020-10-14 21:00:24,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:00:24,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5109 [2020-10-14 21:00:24,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:24,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 21:00:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:00:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 498 [2020-10-14 21:00:24,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:24,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:24,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:24,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:24,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:24,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:24,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:00:24,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:24,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:24,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:24,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:24,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:00:24,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:24,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:24,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:24,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:24,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:00:24,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:24,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 21:00:24,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:24,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:24,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:24,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:24,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-14 21:00:24,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:24,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:00:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:24,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:24,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:24,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:24,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:24,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 21:00:24,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:24,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:24,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:00:24,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:24,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:00:24,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:24,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 21:00:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:24,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:24,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:24,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:24,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:24,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:24,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:00:24,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-10-14 21:00:24,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:24,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 21:00:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:24,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-14 21:00:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:24,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:25,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:25,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:25,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:25,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 21:00:25,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:25,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:25,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:25,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:25,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 21:00:25,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 297 proven. 208 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2020-10-14 21:00:25,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [426319280] [2020-10-14 21:00:25,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:25,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:00:25,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649271839] [2020-10-14 21:00:25,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 21:00:25,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:25,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 21:00:25,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:00:25,243 INFO L87 Difference]: Start difference. First operand 11173 states and 13277 transitions. Second operand 10 states. [2020-10-14 21:00:30,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:30,656 INFO L93 Difference]: Finished difference Result 26838 states and 32553 transitions. [2020-10-14 21:00:30,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 21:00:30,657 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 531 [2020-10-14 21:00:30,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:30,697 INFO L225 Difference]: With dead ends: 26838 [2020-10-14 21:00:30,698 INFO L226 Difference]: Without dead ends: 17405 [2020-10-14 21:00:30,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2020-10-14 21:00:30,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17405 states. [2020-10-14 21:00:30,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17405 to 16537. [2020-10-14 21:00:30,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16537 states. [2020-10-14 21:00:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16537 states to 16537 states and 19546 transitions. [2020-10-14 21:00:30,968 INFO L78 Accepts]: Start accepts. Automaton has 16537 states and 19546 transitions. Word has length 531 [2020-10-14 21:00:30,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:30,968 INFO L479 AbstractCegarLoop]: Abstraction has 16537 states and 19546 transitions. [2020-10-14 21:00:30,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 21:00:30,968 INFO L276 IsEmpty]: Start isEmpty. Operand 16537 states and 19546 transitions. [2020-10-14 21:00:31,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2020-10-14 21:00:31,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:31,003 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:00:31,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:00:31,003 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:31,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:31,004 INFO L82 PathProgramCache]: Analyzing trace with hash 872151838, now seen corresponding path program 1 times [2020-10-14 21:00:31,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:31,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089846466] [2020-10-14 21:00:31,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:31,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:31,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:33,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:36,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:36,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 722 [2020-10-14 21:00:36,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:00:36,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 21:00:36,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:36,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:36,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:36,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 318 [2020-10-14 21:00:36,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:00:36,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:36,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:36,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:36,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:36,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:36,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:36,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:00:36,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:36,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:36,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:36,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:36,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:36,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:36,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:00:36,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:36,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:00:36,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:36,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:36,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:36,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:00:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:36,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:36,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:36,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:36,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:36,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:00:36,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:36,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:36,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:36,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 21:00:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:36,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:36,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:36,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 21:00:36,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:36,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 21:00:36,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:36,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:00:36,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:36,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-14 21:00:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:36,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:36,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:36,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 21:00:36,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:36,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-14 21:00:36,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:36,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:36,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:36,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:36,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 21:00:36,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:36,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-10-14 21:00:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:36,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:36,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:36,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 21:00:36,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:36,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:00:36,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:36,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:36,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:36,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 21:00:36,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:36,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:36,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-10-14 21:00:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:36,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:36,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:36,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:36,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:36,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:00:36,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:36,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 21:00:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:36,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 557 proven. 212 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2020-10-14 21:00:37,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089846466] [2020-10-14 21:00:37,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:37,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:00:37,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108399990] [2020-10-14 21:00:37,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:00:37,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:37,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:00:37,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:00:37,139 INFO L87 Difference]: Start difference. First operand 16537 states and 19546 transitions. Second operand 8 states. [2020-10-14 21:00:40,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:40,836 INFO L93 Difference]: Finished difference Result 34297 states and 40695 transitions. [2020-10-14 21:00:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:00:40,837 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 702 [2020-10-14 21:00:40,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:40,876 INFO L225 Difference]: With dead ends: 34297 [2020-10-14 21:00:40,876 INFO L226 Difference]: Without dead ends: 17954 [2020-10-14 21:00:40,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 21:00:40,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17954 states. [2020-10-14 21:00:41,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17954 to 17510. [2020-10-14 21:00:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17510 states. [2020-10-14 21:00:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17510 states to 17510 states and 20488 transitions. [2020-10-14 21:00:41,185 INFO L78 Accepts]: Start accepts. Automaton has 17510 states and 20488 transitions. Word has length 702 [2020-10-14 21:00:41,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:41,185 INFO L479 AbstractCegarLoop]: Abstraction has 17510 states and 20488 transitions. [2020-10-14 21:00:41,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:00:41,186 INFO L276 IsEmpty]: Start isEmpty. Operand 17510 states and 20488 transitions. [2020-10-14 21:00:41,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2020-10-14 21:00:41,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:41,209 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:00:41,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:00:41,209 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:41,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:41,210 INFO L82 PathProgramCache]: Analyzing trace with hash -442273549, now seen corresponding path program 1 times [2020-10-14 21:00:41,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:41,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175291690] [2020-10-14 21:00:41,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:41,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:41,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:43,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:43,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 729 [2020-10-14 21:00:43,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:00:43,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2311 [2020-10-14 21:00:43,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:43,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 318 [2020-10-14 21:00:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 21:00:43,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:43,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:43,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:43,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:43,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:43,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:43,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:43,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:43,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:43,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:43,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:43,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:43,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:43,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:00:43,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:43,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:00:43,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:43,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:43,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:43,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:43,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:00:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:43,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:43,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:43,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:43,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:43,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:00:43,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:43,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:43,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:43,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 21:00:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:43,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:43,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:43,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 21:00:43,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:43,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:00:43,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:43,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:00:43,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:43,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-14 21:00:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:43,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:43,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:43,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:43,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:43,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 21:00:43,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:43,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:00:43,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:44,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2020-10-14 21:00:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:44,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:44,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:44,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:44,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:44,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 21:00:44,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:44,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 21:00:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:44,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:44,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-10-14 21:00:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:44,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:44,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:44,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:00:44,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:44,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:00:44,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:44,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:44,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:44,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 21:00:44,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:44,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 511 proven. 168 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2020-10-14 21:00:44,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175291690] [2020-10-14 21:00:44,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:44,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:44,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114115794] [2020-10-14 21:00:44,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:44,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:44,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:44,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:44,556 INFO L87 Difference]: Start difference. First operand 17510 states and 20488 transitions. Second operand 7 states. [2020-10-14 21:00:47,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:47,462 INFO L93 Difference]: Finished difference Result 38121 states and 45155 transitions. [2020-10-14 21:00:47,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:00:47,467 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 709 [2020-10-14 21:00:47,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:47,511 INFO L225 Difference]: With dead ends: 38121 [2020-10-14 21:00:47,511 INFO L226 Difference]: Without dead ends: 20995 [2020-10-14 21:00:47,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:47,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20995 states. [2020-10-14 21:00:47,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20995 to 19822. [2020-10-14 21:00:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19822 states. [2020-10-14 21:00:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19822 states to 19822 states and 23255 transitions. [2020-10-14 21:00:47,871 INFO L78 Accepts]: Start accepts. Automaton has 19822 states and 23255 transitions. Word has length 709 [2020-10-14 21:00:47,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:47,871 INFO L479 AbstractCegarLoop]: Abstraction has 19822 states and 23255 transitions. [2020-10-14 21:00:47,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:47,872 INFO L276 IsEmpty]: Start isEmpty. Operand 19822 states and 23255 transitions. [2020-10-14 21:00:47,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2020-10-14 21:00:47,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:47,906 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:00:47,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:00:47,907 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:47,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:47,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1798374435, now seen corresponding path program 1 times [2020-10-14 21:00:47,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:47,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290928622] [2020-10-14 21:00:47,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:48,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:48,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:49,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:50,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:53,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:53,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 750 [2020-10-14 21:00:53,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:00:53,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-14 21:00:53,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:53,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 318 [2020-10-14 21:00:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-14 21:00:53,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:53,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:00:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:53,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:53,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:53,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:00:53,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:53,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:00:53,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:53,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:53,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:53,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:53,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:53,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:53,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:00:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:53,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:53,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:53,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 21:00:53,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:53,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:00:53,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:53,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:53,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:53,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:53,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:53,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:53,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 21:00:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:53,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:53,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:53,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:00:53,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:53,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:00:53,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:53,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:53,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:53,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:53,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:53,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:53,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 21:00:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:53,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:53,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:53,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 21:00:53,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:53,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:00:53,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:53,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:53,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:00:53,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:00:53,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:00:53,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:53,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-14 21:00:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:53,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:53,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:53,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 21:00:53,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:53,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 21:00:53,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:53,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:53,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:00:53,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:00:53,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-14 21:00:53,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:53,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-10-14 21:00:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:53,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:53,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:53,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 21:00:53,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:53,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 21:00:53,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:53,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:53,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:53,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-14 21:00:53,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:53,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:00:53,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2020-10-14 21:00:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:53,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:53,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:00:53,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 21:00:53,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:00:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:00:53,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:00:53,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:00:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:00:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-14 21:00:53,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:00:53,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:00:54,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 557 proven. 222 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2020-10-14 21:00:54,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290928622] [2020-10-14 21:00:54,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:00:54,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:00:54,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484652407] [2020-10-14 21:00:54,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:00:54,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:00:54,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:00:54,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:00:54,097 INFO L87 Difference]: Start difference. First operand 19822 states and 23255 transitions. Second operand 7 states. [2020-10-14 21:00:57,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:00:57,492 INFO L93 Difference]: Finished difference Result 43066 states and 50907 transitions. [2020-10-14 21:00:57,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:00:57,493 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 730 [2020-10-14 21:00:57,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:00:57,530 INFO L225 Difference]: With dead ends: 43066 [2020-10-14 21:00:57,531 INFO L226 Difference]: Without dead ends: 23628 [2020-10-14 21:00:57,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:00:57,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23628 states. [2020-10-14 21:00:57,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23628 to 23598. [2020-10-14 21:00:57,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23598 states. [2020-10-14 21:00:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23598 states to 23598 states and 27533 transitions. [2020-10-14 21:00:57,925 INFO L78 Accepts]: Start accepts. Automaton has 23598 states and 27533 transitions. Word has length 730 [2020-10-14 21:00:57,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:00:57,926 INFO L479 AbstractCegarLoop]: Abstraction has 23598 states and 27533 transitions. [2020-10-14 21:00:57,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:00:57,926 INFO L276 IsEmpty]: Start isEmpty. Operand 23598 states and 27533 transitions. [2020-10-14 21:00:57,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2020-10-14 21:00:57,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:00:57,953 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-10-14 21:00:57,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:00:57,954 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:00:57,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:00:57,954 INFO L82 PathProgramCache]: Analyzing trace with hash -123408349, now seen corresponding path program 1 times [2020-10-14 21:00:57,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:00:57,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1682621402] [2020-10-14 21:00:57,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:00:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:00:58,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:58,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:58,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:00:59,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:03,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:03,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 814 [2020-10-14 21:01:03,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:01:03,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-14 21:01:03,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:03,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:03,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:01:03,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 403 [2020-10-14 21:01:03,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 226 [2020-10-14 21:01:03,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:03,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:01:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:03,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:03,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:03,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:01:03,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:03,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:01:03,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:03,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:03,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:03,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:03,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:03,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:03,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:01:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:03,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:03,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:03,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 21:01:03,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:01:03,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:03,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:03,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 21:01:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:03,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:03,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:03,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 21:01:03,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 21:01:03,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:03,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:03,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-14 21:01:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:03,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:03,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:03,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-14 21:01:03,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:03,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 21:01:03,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:03,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:01:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:01:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-14 21:01:03,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:03,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2020-10-14 21:01:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:03,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:03,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:03,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:01:03,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:03,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-14 21:01:03,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:03,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:01:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:01:03,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:03,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2020-10-14 21:01:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:03,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:03,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:04,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:04,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:01:04,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:01:04,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-14 21:01:04,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:04,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:04,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:01:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:01:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 21:01:04,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:01:04,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2020-10-14 21:01:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:01:04,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:01:04,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:01:04,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 21:01:04,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:01:04,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:01:04,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:01:04,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:01:04,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:01:04,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-14 21:01:04,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:01:04,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:01:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 919 proven. 219 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2020-10-14 21:01:04,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1682621402] [2020-10-14 21:01:04,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:01:04,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 21:01:04,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535267577] [2020-10-14 21:01:04,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 21:01:04,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:01:04,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 21:01:04,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:01:04,581 INFO L87 Difference]: Start difference. First operand 23598 states and 27533 transitions. Second operand 10 states. [2020-10-14 21:01:08,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:01:08,849 INFO L93 Difference]: Finished difference Result 37995 states and 44064 transitions. [2020-10-14 21:01:08,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 21:01:08,850 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 794 [2020-10-14 21:01:08,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:01:08,851 INFO L225 Difference]: With dead ends: 37995 [2020-10-14 21:01:08,851 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:01:08,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-10-14 21:01:08,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:01:08,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:01:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:01:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:01:08,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 794 [2020-10-14 21:01:08,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:01:08,885 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:01:08,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 21:01:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:01:08,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:01:08,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:01:08,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:01:09,264 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2020-10-14 21:01:09,479 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2020-10-14 21:01:10,180 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2020-10-14 21:01:10,323 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2020-10-14 21:01:10,478 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2020-10-14 21:01:11,789 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 538 DAG size of output: 390 [2020-10-14 21:01:12,579 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 390 [2020-10-14 21:01:15,126 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 424 DAG size of output: 84 [2020-10-14 21:01:17,523 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 370 DAG size of output: 82 [2020-10-14 21:01:19,897 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 370 DAG size of output: 82 [2020-10-14 21:01:19,901 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:01:19,902 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-14 21:01:19,902 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:01:19,902 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 21:01:19,902 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 21:01:19,902 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 21:01:19,903 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,903 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,903 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,903 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,903 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,903 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,904 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,904 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 21:01:19,904 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 21:01:19,904 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 21:01:19,904 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,905 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,905 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,905 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,905 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,905 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,905 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,905 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,905 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,906 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 21:01:19,906 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 21:01:19,906 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 21:01:19,906 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,906 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,906 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,906 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,906 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,907 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,907 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,907 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,907 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,907 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 21:01:19,907 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 21:01:19,907 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 21:01:19,907 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 21:01:19,907 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 21:01:19,908 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 21:01:19,908 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 21:01:19,908 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,908 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,908 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,908 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,908 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,908 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,908 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,908 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,909 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,909 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,909 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 21:01:19,909 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 21:01:19,909 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 21:01:19,909 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,909 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,909 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,909 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,909 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,910 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 21:01:19,910 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 21:01:19,910 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 21:01:19,910 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,910 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,910 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,910 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,910 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,910 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 21:01:19,911 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 21:01:19,911 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,911 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,911 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,911 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,911 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,911 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,911 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 21:01:19,911 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 21:01:19,912 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,912 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,912 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 21:01:19,912 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 21:01:19,912 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 21:01:19,912 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,912 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,912 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,912 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,913 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,913 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,913 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,913 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 21:01:19,913 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 21:01:19,913 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 21:01:19,913 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 21:01:19,913 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 21:01:19,913 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 21:01:19,913 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 21:01:19,914 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,914 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,914 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 21:01:19,914 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 21:01:19,914 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,914 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,914 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,914 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,915 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse11 (= ~a23~0 |old(~a23~0)|)) (.cse12 (= ~a29~0 |old(~a29~0)|)) (.cse13 (= ~a4~0 |old(~a4~0)|))) (let ((.cse4 (not (<= 246 |old(~a29~0)|))) (.cse10 (not (<= |old(~a29~0)| 244))) (.cse6 (and .cse11 .cse12 (= ~a25~0 12) .cse13)) (.cse7 (not (= 12 |old(~a25~0)|))) (.cse5 (not (<= 141 |old(~a29~0)|))) (.cse2 (not (<= |old(~a23~0)| 600000))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse1 (not (<= ~a8~0 15))) (.cse8 (not (<= (+ |old(~a23~0)| 55) 0))) (.cse3 (and (= ~a25~0 |old(~a25~0)|) .cse11 .cse12 .cse13)) (.cse9 (not (<= |old(~a4~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 13 |old(~a25~0)|)) .cse1 .cse2 .cse3) (or .cse0 (not (<= |old(~a25~0)| 10)) .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse1 .cse7 .cse8 .cse4 (not (<= |old(~a29~0)| 275)) .cse9) (or .cse0 .cse10 .cse6 .cse1 .cse2 .cse7 .cse5) (or .cse1 (not (<= (+ |old(~a29~0)| 28445) 0)) .cse8 .cse3 .cse9) (or .cse10 .cse6 .cse1 .cse7 .cse8 .cse5 .cse9) (or .cse0 .cse1 .cse2 (not (= 10 |old(~a25~0)|)) .cse3) (or .cse0 (= 11 |old(~a25~0)|) .cse1 (not (<= |old(~a23~0)| 312)) .cse3) (or (not (<= |old(~a25~0)| 9)) .cse1 (not (<= 277 |old(~a29~0)|)) .cse8 .cse3 .cse9)))) [2020-10-14 21:01:19,915 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,915 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 21:01:19,915 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 21:01:19,915 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 21:01:19,915 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,915 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,916 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,916 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,916 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,916 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,916 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 21:01:19,916 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 21:01:19,916 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 21:01:19,916 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,916 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,917 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,917 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,917 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,917 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,917 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,917 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,917 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 21:01:19,917 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 21:01:19,917 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 21:01:19,917 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,918 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,918 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,918 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,918 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,918 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,918 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,918 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,918 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,918 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,919 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,919 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 21:01:19,919 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 21:01:19,919 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 21:01:19,919 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 21:01:19,919 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 21:01:19,919 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,919 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,919 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,919 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,919 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,920 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,920 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,920 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 21:01:19,920 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 21:01:19,920 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 21:01:19,920 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,920 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,920 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,920 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 21:01:19,920 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 21:01:19,921 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,921 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,921 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,921 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,921 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,921 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2020-10-14 21:01:19,921 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 21:01:19,921 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 21:01:19,921 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,922 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,922 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 21:01:19,922 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 21:01:19,922 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,922 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,922 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,922 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,922 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,922 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,923 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 21:01:19,923 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 21:01:19,923 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 21:01:19,923 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 21:01:19,923 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,923 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,923 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,923 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,923 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,924 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,924 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,924 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,924 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 21:01:19,924 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 21:01:19,924 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 21:01:19,924 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 21:01:19,924 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 21:01:19,924 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 21:01:19,924 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,925 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,925 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,925 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,925 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,925 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,925 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,925 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 21:01:19,925 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 21:01:19,925 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,926 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,926 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,926 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,926 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,926 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,926 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,926 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 21:01:19,926 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 21:01:19,926 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,926 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,927 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,927 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,927 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,927 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,927 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,927 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 21:01:19,927 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,927 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,927 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,927 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 21:01:19,928 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 21:01:19,928 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 21:01:19,928 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,928 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 21:01:19,928 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,928 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 21:01:19,928 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,928 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,928 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,928 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,929 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,929 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,929 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 21:01:19,929 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 21:01:19,929 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 21:01:19,929 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,929 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,929 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,929 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,930 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,930 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,930 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,930 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,930 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,930 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,930 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 21:01:19,930 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 21:01:19,930 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 21:01:19,931 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,931 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 21:01:19,931 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 21:01:19,931 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,931 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,931 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,931 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,931 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,931 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,932 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 21:01:19,932 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 21:01:19,932 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 21:01:19,932 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,932 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,932 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,932 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,932 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 21:01:19,932 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 21:01:19,933 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,933 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,933 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 21:01:19,933 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,933 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,933 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 21:01:19,933 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:01:19,933 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (= ~a29~0 130) (<= ~a8~0 15) (= ~a4~0 1) (= ~a23~0 312)) [2020-10-14 21:01:19,933 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:01:19,934 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:01:19,934 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (not (<= ~a8~0 15)) (not (= 130 |old(~a29~0)|)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a29~0 130) (= ~a23~0 312))) [2020-10-14 21:01:19,934 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 21:01:19,934 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (<= ~a4~0 0)) (.cse5 (<= ~a29~0 244)) (.cse2 (= ~a25~0 12)) (.cse1 (<= (+ ~a23~0 55) 0)) (.cse3 (<= 246 ~a29~0)) (.cse4 (<= 141 ~a29~0)) (.cse13 (<= ~a25~0 10)) (.cse8 (not (= ~a25~0 11))) (.cse9 (<= |old(~a29~0)| 245)) (.cse10 (or (<= |old(~a29~0)| 140) (<= 12 |old(~a25~0)|))) (.cse11 (<= 0 (+ |old(~a23~0)| 42))) (.cse6 (<= ~a23~0 600000)) (.cse7 (= ~a4~0 1)) (.cse12 (<= ~a8~0 15))) (or (and .cse0 (<= ~a25~0 9) (<= 277 ~a29~0) .cse1) (and (<= (+ ~a29~0 28445) 0) .cse0 .cse1) (and (<= ~a29~0 275) .cse0 .cse2 .cse3 .cse1) (and .cse4 .cse5 .cse2 .cse6 .cse7) (and .cse8 .cse9 (<= ~a23~0 312) .cse10 .cse11 .cse7 .cse12) (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (not .cse12) (not (= 130 |old(~a29~0)|)) (and .cse0 .cse4 .cse5 .cse2 .cse1) (and .cse6 .cse3 .cse7) (not (= 10 |old(~a25~0)|)) (and .cse13 .cse4 .cse10 .cse6 .cse7) (and .cse13 (= ~a25~0 10) .cse10 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse11 .cse6 (<= 13 ~a25~0) .cse7 .cse12))) [2020-10-14 21:01:19,934 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 21:01:19,934 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 21:01:19,935 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (<= ~a4~0 0)) (.cse5 (<= ~a29~0 244)) (.cse2 (= ~a25~0 12)) (.cse1 (<= (+ ~a23~0 55) 0)) (.cse3 (<= 246 ~a29~0)) (.cse4 (<= 141 ~a29~0)) (.cse13 (<= ~a25~0 10)) (.cse8 (not (= ~a25~0 11))) (.cse9 (<= |old(~a29~0)| 245)) (.cse10 (or (<= |old(~a29~0)| 140) (<= 12 |old(~a25~0)|))) (.cse11 (<= 0 (+ |old(~a23~0)| 42))) (.cse6 (<= ~a23~0 600000)) (.cse7 (= ~a4~0 1)) (.cse12 (<= ~a8~0 15))) (or (and .cse0 (<= ~a25~0 9) (<= 277 ~a29~0) .cse1) (and (<= (+ ~a29~0 28445) 0) .cse0 .cse1) (and (<= ~a29~0 275) .cse0 .cse2 .cse3 .cse1) (and .cse4 .cse5 .cse2 .cse6 .cse7) (and .cse8 .cse9 (<= ~a23~0 312) .cse10 .cse11 .cse7 .cse12) (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (not .cse12) (not (= 130 |old(~a29~0)|)) (and .cse0 .cse4 .cse5 .cse2 .cse1) (and .cse6 .cse3 .cse7) (not (= 10 |old(~a25~0)|)) (and .cse13 .cse4 .cse10 .cse6 .cse7) (and .cse13 (= ~a25~0 10) .cse10 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse11 .cse6 (<= 13 ~a25~0) .cse7 .cse12))) [2020-10-14 21:01:19,935 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 21:01:19,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:01:19 BoogieIcfgContainer [2020-10-14 21:01:19,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:01:19,961 INFO L168 Benchmark]: Toolchain (without parser) took 149512.87 ms. Allocated memory was 140.5 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 100.5 MB in the beginning and 356.1 MB in the end (delta: -255.6 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-10-14 21:01:19,962 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 21:01:19,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1100.73 ms. Allocated memory was 140.5 MB in the beginning and 210.8 MB in the end (delta: 70.3 MB). Free memory was 100.5 MB in the beginning and 163.4 MB in the end (delta: -62.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:19,963 INFO L168 Benchmark]: Boogie Preprocessor took 169.23 ms. Allocated memory is still 210.8 MB. Free memory was 163.4 MB in the beginning and 156.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:19,964 INFO L168 Benchmark]: RCFGBuilder took 1678.63 ms. Allocated memory was 210.8 MB in the beginning and 239.1 MB in the end (delta: 28.3 MB). Free memory was 156.1 MB in the beginning and 91.4 MB in the end (delta: 64.7 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2020-10-14 21:01:19,964 INFO L168 Benchmark]: TraceAbstraction took 146558.77 ms. Allocated memory was 239.1 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 91.4 MB in the beginning and 356.1 MB in the end (delta: -264.7 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-10-14 21:01:19,968 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1100.73 ms. Allocated memory was 140.5 MB in the beginning and 210.8 MB in the end (delta: 70.3 MB). Free memory was 100.5 MB in the beginning and 163.4 MB in the end (delta: -62.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 169.23 ms. Allocated memory is still 210.8 MB. Free memory was 163.4 MB in the beginning and 156.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1678.63 ms. Allocated memory was 210.8 MB in the beginning and 239.1 MB in the end (delta: 28.3 MB). Free memory was 156.1 MB in the beginning and 91.4 MB in the end (delta: 64.7 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 146558.77 ms. Allocated memory was 239.1 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 91.4 MB in the beginning and 356.1 MB in the end (delta: -264.7 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 123]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: ((((((((((((((((a4 <= 0 && a25 <= 9) && 277 <= a29) && a23 + 55 <= 0) || ((a29 + 28445 <= 0 && a4 <= 0) && a23 + 55 <= 0)) || ((((a29 <= 275 && a4 <= 0) && a25 == 12) && 246 <= a29) && a23 + 55 <= 0)) || ((((141 <= a29 && a29 <= 244) && a25 == 12) && a23 <= 600000) && a4 == 1)) || ((((((!(a25 == 11) && \old(a29) <= 245) && a23 <= 312) && (\old(a29) <= 140 || 12 <= \old(a25))) && 0 <= \old(a23) + 42) && a4 == 1) && a8 <= 15)) || !(\old(a4) == 1)) || !(312 == \old(a23))) || !(a8 <= 15)) || !(130 == \old(a29))) || ((((a4 <= 0 && 141 <= a29) && a29 <= 244) && a25 == 12) && a23 + 55 <= 0)) || ((a23 <= 600000 && 246 <= a29) && a4 == 1)) || !(10 == \old(a25))) || ((((a25 <= 10 && 141 <= a29) && (\old(a29) <= 140 || 12 <= \old(a25))) && a23 <= 600000) && a4 == 1)) || ((((a25 <= 10 && a25 == 10) && (\old(a29) <= 140 || 12 <= \old(a25))) && a23 <= 600000) && a4 == 1)) || (((((((!(a25 == 11) && \old(a29) <= 245) && (\old(a29) <= 140 || 12 <= \old(a25))) && 0 <= \old(a23) + 42) && a23 <= 600000) && 13 <= a25) && a4 == 1) && a8 <= 15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 135.4s, OverallIterations: 20, TraceHistogramMax: 7, AutomataDifference: 60.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 941 SDtfs, 14811 SDslu, 1847 SDs, 0 SdLazy, 34165 SolverSat, 5187 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 422 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23598occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 5739 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 812 PreInvPairs, 1060 NumberOfFragments, 856 HoareAnnotationTreeSize, 812 FomulaSimplifications, 1154563 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 466719 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 66.9s InterpolantComputationTime, 7790 NumberOfCodeBlocks, 7790 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 7770 ConstructedInterpolants, 0 QuantifiedInterpolants, 8382474 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 9702/11282 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...