/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:25:44,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:25:44,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:25:45,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:25:45,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:25:45,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:25:45,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:25:45,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:25:45,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:25:45,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:25:45,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:25:45,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:25:45,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:25:45,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:25:45,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:25:45,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:25:45,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:25:45,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:25:45,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:25:45,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:25:45,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:25:45,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:25:45,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:25:45,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:25:45,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:25:45,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:25:45,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:25:45,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:25:45,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:25:45,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:25:45,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:25:45,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:25:45,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:25:45,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:25:45,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:25:45,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:25:45,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:25:45,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:25:45,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:25:45,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:25:45,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:25:45,114 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 [2020-09-21 11:25:45,163 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:25:45,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:25:45,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:25:45,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:25:45,166 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:25:45,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:25:45,167 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:25:45,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:25:45,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:25:45,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:25:45,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:25:45,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:25:45,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:25:45,169 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:25:45,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:25:45,170 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:25:45,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:25:45,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:25:45,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:25:45,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:25:45,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:25:45,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:25:45,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:25:45,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:25:45,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:25:45,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:25:45,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:25:45,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:25:45,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:25:45,177 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:25:45,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:25:45,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:25:45,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:25:45,648 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:25:45,648 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:25:45,649 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10.c [2020-09-21 11:25:45,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01ea38bc0/971f5a9c1404496688e27a760ec78a68/FLAG51ec19166 [2020-09-21 11:25:46,412 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:25:46,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label10.c [2020-09-21 11:25:46,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01ea38bc0/971f5a9c1404496688e27a760ec78a68/FLAG51ec19166 [2020-09-21 11:25:46,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01ea38bc0/971f5a9c1404496688e27a760ec78a68 [2020-09-21 11:25:46,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:25:46,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:25:46,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:25:46,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:25:46,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:25:46,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:25:46" (1/1) ... [2020-09-21 11:25:46,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f65ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:46, skipping insertion in model container [2020-09-21 11:25:46,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:25:46" (1/1) ... [2020-09-21 11:25:46,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:25:46,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:25:47,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:25:47,330 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:25:47,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:25:47,516 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:25:47,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:47 WrapperNode [2020-09-21 11:25:47,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:25:47,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:25:47,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:25:47,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:25:47,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:47" (1/1) ... [2020-09-21 11:25:47,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:47" (1/1) ... [2020-09-21 11:25:47,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:47" (1/1) ... [2020-09-21 11:25:47,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:47" (1/1) ... [2020-09-21 11:25:47,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:47" (1/1) ... [2020-09-21 11:25:47,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:47" (1/1) ... [2020-09-21 11:25:47,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:47" (1/1) ... [2020-09-21 11:25:47,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:25:47,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:25:47,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:25:47,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:25:47,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:47" (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 [2020-09-21 11:25:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:25:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:25:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:25:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:25:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:25:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:25:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:25:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:25:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:25:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:25:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:25:48,971 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:25:48,972 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:25:48,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:25:48 BoogieIcfgContainer [2020-09-21 11:25:48,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:25:48,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:25:48,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:25:48,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:25:48,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:25:46" (1/3) ... [2020-09-21 11:25:48,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5eeb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:25:48, skipping insertion in model container [2020-09-21 11:25:48,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:25:47" (2/3) ... [2020-09-21 11:25:48,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5eeb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:25:48, skipping insertion in model container [2020-09-21 11:25:49,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:25:48" (3/3) ... [2020-09-21 11:25:49,003 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label10.c [2020-09-21 11:25:49,018 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:25:49,033 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:25:49,056 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:25:49,099 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:25:49,100 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:25:49,100 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:25:49,101 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:25:49,101 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:25:49,101 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:25:49,101 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:25:49,101 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:25:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 11:25:49,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-09-21 11:25:49,161 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:49,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:49,163 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:49,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:49,172 INFO L82 PathProgramCache]: Analyzing trace with hash 898563457, now seen corresponding path program 1 times [2020-09-21 11:25:49,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:49,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839621373] [2020-09-21 11:25:49,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:49,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:49,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:49,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:49,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:49,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-09-21 11:25:49,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:49,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-21 11:25:49,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:49,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:25:49,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:49,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-09-21 11:25:49,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:50,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:50,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:50,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:50,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:50,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:50,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:50,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:50,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:25:50,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:50,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839621373] [2020-09-21 11:25:50,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:25:50,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:25:50,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416018212] [2020-09-21 11:25:50,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:50,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:50,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:50,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:50,173 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-09-21 11:25:52,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:52,605 INFO L93 Difference]: Finished difference Result 813 states and 1406 transitions. [2020-09-21 11:25:52,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:25:52,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-09-21 11:25:52,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:52,630 INFO L225 Difference]: With dead ends: 813 [2020-09-21 11:25:52,631 INFO L226 Difference]: Without dead ends: 488 [2020-09-21 11:25:52,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:25:52,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-09-21 11:25:52,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 481. [2020-09-21 11:25:52,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-09-21 11:25:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-09-21 11:25:52,755 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 141 [2020-09-21 11:25:52,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:52,756 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-09-21 11:25:52,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:52,757 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-09-21 11:25:52,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-21 11:25:52,763 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:52,764 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:52,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:25:52,765 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:52,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:52,765 INFO L82 PathProgramCache]: Analyzing trace with hash 912462918, now seen corresponding path program 1 times [2020-09-21 11:25:52,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:52,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892124275] [2020-09-21 11:25:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:52,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:52,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:52,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:52,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:52,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-09-21 11:25:52,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:52,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:25:52,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:52,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:25:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-21 11:25:52,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:53,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:53,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:53,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:53,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:53,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:53,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:53,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:53,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:25:53,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:53,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:53,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:53,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:53,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:53,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:53,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:53,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:25:53,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:53,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:53,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:25:53,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:25:53,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892124275] [2020-09-21 11:25:53,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:53,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:53,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052010617] [2020-09-21 11:25:53,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:53,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:53,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:53,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:53,107 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 5 states. [2020-09-21 11:25:54,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:54,425 INFO L93 Difference]: Finished difference Result 1253 states and 1834 transitions. [2020-09-21 11:25:54,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:54,432 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-21 11:25:54,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:54,444 INFO L225 Difference]: With dead ends: 1253 [2020-09-21 11:25:54,445 INFO L226 Difference]: Without dead ends: 778 [2020-09-21 11:25:54,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:54,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-09-21 11:25:54,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 626. [2020-09-21 11:25:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-09-21 11:25:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 917 transitions. [2020-09-21 11:25:54,490 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 917 transitions. Word has length 149 [2020-09-21 11:25:54,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:54,491 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 917 transitions. [2020-09-21 11:25:54,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:54,491 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 917 transitions. [2020-09-21 11:25:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-21 11:25:54,494 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:54,495 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:54,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:25:54,495 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:54,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:54,496 INFO L82 PathProgramCache]: Analyzing trace with hash -798836375, now seen corresponding path program 1 times [2020-09-21 11:25:54,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:54,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042244986] [2020-09-21 11:25:54,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:54,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:54,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:54,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:54,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:54,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-21 11:25:54,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:54,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:25:54,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:25:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:25:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 11:25:54,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:54,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:54,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:54,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:54,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:54,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:54,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:54,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:54,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:54,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:25:54,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:54,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:54,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:54,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:54,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:54,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:54,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:25:54,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:54,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:25:54,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:54,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:54,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:25:54,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:25:54,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:54,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042244986] [2020-09-21 11:25:54,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:25:54,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:25:54,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770647647] [2020-09-21 11:25:54,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:25:54,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:54,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:25:54,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:25:54,840 INFO L87 Difference]: Start difference. First operand 626 states and 917 transitions. Second operand 8 states. [2020-09-21 11:25:57,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:57,363 INFO L93 Difference]: Finished difference Result 2340 states and 3598 transitions. [2020-09-21 11:25:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:25:57,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 163 [2020-09-21 11:25:57,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:57,382 INFO L225 Difference]: With dead ends: 2340 [2020-09-21 11:25:57,383 INFO L226 Difference]: Without dead ends: 1720 [2020-09-21 11:25:57,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:25:57,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2020-09-21 11:25:57,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1687. [2020-09-21 11:25:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2020-09-21 11:25:57,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2284 transitions. [2020-09-21 11:25:57,487 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2284 transitions. Word has length 163 [2020-09-21 11:25:57,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:57,487 INFO L479 AbstractCegarLoop]: Abstraction has 1687 states and 2284 transitions. [2020-09-21 11:25:57,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:25:57,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2284 transitions. [2020-09-21 11:25:57,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-21 11:25:57,525 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:57,525 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:57,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:25:57,529 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:57,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:57,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1395637775, now seen corresponding path program 1 times [2020-09-21 11:25:57,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:57,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622907139] [2020-09-21 11:25:57,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:57,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:25:57,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -31 [2020-09-21 11:25:57,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 31 [2020-09-21 11:25:57,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:57,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-09-21 11:25:57,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:57,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:25:57,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:57,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-21 11:25:57,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:25:57,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:57,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:57,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:57,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:57,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:57,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:57,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:57,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:57,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:57,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:25:57,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:57,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:57,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:57,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:57,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:57,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:25:57,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:57,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:25:57,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:25:57,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:25:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:25:57,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622907139] [2020-09-21 11:25:57,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:57,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:57,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332277376] [2020-09-21 11:25:57,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:57,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:57,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:57,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:57,993 INFO L87 Difference]: Start difference. First operand 1687 states and 2284 transitions. Second operand 5 states. [2020-09-21 11:25:59,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:25:59,221 INFO L93 Difference]: Finished difference Result 3316 states and 4521 transitions. [2020-09-21 11:25:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:25:59,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-09-21 11:25:59,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:25:59,236 INFO L225 Difference]: With dead ends: 3316 [2020-09-21 11:25:59,236 INFO L226 Difference]: Without dead ends: 1545 [2020-09-21 11:25:59,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:25:59,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2020-09-21 11:25:59,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1537. [2020-09-21 11:25:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1537 states. [2020-09-21 11:25:59,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2071 transitions. [2020-09-21 11:25:59,300 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2071 transitions. Word has length 167 [2020-09-21 11:25:59,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:25:59,301 INFO L479 AbstractCegarLoop]: Abstraction has 1537 states and 2071 transitions. [2020-09-21 11:25:59,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:25:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2071 transitions. [2020-09-21 11:25:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-21 11:25:59,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:25:59,308 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:25:59,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:25:59,309 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:25:59,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:25:59,309 INFO L82 PathProgramCache]: Analyzing trace with hash -2090900128, now seen corresponding path program 1 times [2020-09-21 11:25:59,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:25:59,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1408627783] [2020-09-21 11:25:59,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:25:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:59,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-21 11:25:59,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-21 11:25:59,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-21 11:25:59,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:59,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-21 11:25:59,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:25:59,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:25:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:25:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-09-21 11:25:59,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:59,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:25:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:59,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:59,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:59,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:59,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:59,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:25:59,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:59,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:25:59,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:59,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:59,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:59,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:25:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:59,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:59,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:59,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:59,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:59,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:25:59,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:59,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:25:59,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:59,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:25:59,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:59,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:25:59,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:59,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:25:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:25:59,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:25:59,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:25:59,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:25:59,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:25:59,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:25:59,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:25:59,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:25:59,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:25:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:25:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:25:59,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:25:59,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:25:59,629 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-21 11:25:59,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1408627783] [2020-09-21 11:25:59,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:25:59,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:25:59,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634465896] [2020-09-21 11:25:59,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:25:59,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:25:59,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:25:59,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:25:59,632 INFO L87 Difference]: Start difference. First operand 1537 states and 2071 transitions. Second operand 5 states. [2020-09-21 11:26:00,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:00,931 INFO L93 Difference]: Finished difference Result 3671 states and 5080 transitions. [2020-09-21 11:26:00,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:26:00,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2020-09-21 11:26:00,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:00,942 INFO L225 Difference]: With dead ends: 3671 [2020-09-21 11:26:00,943 INFO L226 Difference]: Without dead ends: 2140 [2020-09-21 11:26:00,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:26:00,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-09-21 11:26:00,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1977. [2020-09-21 11:26:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1977 states. [2020-09-21 11:26:01,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2593 transitions. [2020-09-21 11:26:01,001 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2593 transitions. Word has length 176 [2020-09-21 11:26:01,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:01,002 INFO L479 AbstractCegarLoop]: Abstraction has 1977 states and 2593 transitions. [2020-09-21 11:26:01,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:26:01,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2593 transitions. [2020-09-21 11:26:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-09-21 11:26:01,009 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:01,010 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:01,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:26:01,010 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:01,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:01,011 INFO L82 PathProgramCache]: Analyzing trace with hash -317616272, now seen corresponding path program 1 times [2020-09-21 11:26:01,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:01,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81652514] [2020-09-21 11:26:01,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:01,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:01,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:01,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:01,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:01,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-21 11:26:01,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:01,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:26:01,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:01,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:01,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:26:01,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:26:01,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:01,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:01,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:01,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:01,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:01,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:01,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:01,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:01,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:01,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:01,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:01,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:01,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:01,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:01,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:01,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:01,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:01,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:01,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:01,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:01,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:26:01,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:01,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:01,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:01,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:01,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:01,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:01,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 11:26:01,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:01,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:26:01,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:26:01,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:01,268 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:26:01,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81652514] [2020-09-21 11:26:01,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:01,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:01,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773265873] [2020-09-21 11:26:01,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:01,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:01,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:01,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:01,270 INFO L87 Difference]: Start difference. First operand 1977 states and 2593 transitions. Second operand 7 states. [2020-09-21 11:26:03,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:03,715 INFO L93 Difference]: Finished difference Result 6351 states and 9011 transitions. [2020-09-21 11:26:03,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:26:03,716 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 184 [2020-09-21 11:26:03,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:03,745 INFO L225 Difference]: With dead ends: 6351 [2020-09-21 11:26:03,745 INFO L226 Difference]: Without dead ends: 4380 [2020-09-21 11:26:03,753 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:03,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4380 states. [2020-09-21 11:26:03,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4380 to 3977. [2020-09-21 11:26:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3977 states. [2020-09-21 11:26:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3977 states to 3977 states and 5118 transitions. [2020-09-21 11:26:03,889 INFO L78 Accepts]: Start accepts. Automaton has 3977 states and 5118 transitions. Word has length 184 [2020-09-21 11:26:03,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:03,890 INFO L479 AbstractCegarLoop]: Abstraction has 3977 states and 5118 transitions. [2020-09-21 11:26:03,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:03,890 INFO L276 IsEmpty]: Start isEmpty. Operand 3977 states and 5118 transitions. [2020-09-21 11:26:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-09-21 11:26:03,944 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:03,944 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:26:03,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:26:03,945 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:03,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:03,945 INFO L82 PathProgramCache]: Analyzing trace with hash 367955376, now seen corresponding path program 1 times [2020-09-21 11:26:03,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:03,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665542816] [2020-09-21 11:26:03,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:03,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:03,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:03,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:03,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:03,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-09-21 11:26:03,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:03,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:26:03,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:03,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:03,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:26:03,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:26:03,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:04,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:04,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:04,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:04,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:04,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:04,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:04,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:04,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:04,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:04,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:04,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:04,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:04,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:04,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:04,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:04,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:26:04,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:04,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:26:04,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:04,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:04,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:04,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:26:04,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:04,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:26:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:04,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:04,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:04,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:04,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:04,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:04,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:04,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:26:04,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:26:04,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:04,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:26:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:04,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:04,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:04,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:04,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:04,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:04,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:04,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:04,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:04,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:04,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:26:04,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:04,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:04,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 11:26:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:04,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:04,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:04,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:04,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:04,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 11:26:04,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:04,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:04,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:04,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-21 11:26:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:04,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 126 proven. 12 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-09-21 11:26:04,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665542816] [2020-09-21 11:26:04,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:04,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:04,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639944203] [2020-09-21 11:26:04,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:04,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:04,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:04,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:04,424 INFO L87 Difference]: Start difference. First operand 3977 states and 5118 transitions. Second operand 7 states. [2020-09-21 11:26:06,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:06,445 INFO L93 Difference]: Finished difference Result 7525 states and 9740 transitions. [2020-09-21 11:26:06,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:26:06,446 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 268 [2020-09-21 11:26:06,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:06,463 INFO L225 Difference]: With dead ends: 7525 [2020-09-21 11:26:06,463 INFO L226 Difference]: Without dead ends: 4015 [2020-09-21 11:26:06,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:26:06,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4015 states. [2020-09-21 11:26:06,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4015 to 3863. [2020-09-21 11:26:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3863 states. [2020-09-21 11:26:06,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3863 states and 4919 transitions. [2020-09-21 11:26:06,570 INFO L78 Accepts]: Start accepts. Automaton has 3863 states and 4919 transitions. Word has length 268 [2020-09-21 11:26:06,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:06,571 INFO L479 AbstractCegarLoop]: Abstraction has 3863 states and 4919 transitions. [2020-09-21 11:26:06,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 3863 states and 4919 transitions. [2020-09-21 11:26:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-09-21 11:26:06,586 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:06,586 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:26:06,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:26:06,587 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:06,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:06,587 INFO L82 PathProgramCache]: Analyzing trace with hash -530204738, now seen corresponding path program 1 times [2020-09-21 11:26:06,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:06,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869155321] [2020-09-21 11:26:06,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:06,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:06,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:06,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:06,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:06,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-09-21 11:26:06,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:06,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:26:06,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:06,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:06,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 11:26:06,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:26:06,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:06,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:06,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:06,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:06,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:06,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:06,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:06,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:06,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:06,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:06,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:06,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:06,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:06,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:06,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:06,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:06,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:06,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:06,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:06,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:26:06,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:06,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:06,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:06,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:06,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:06,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:26:06,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:06,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:26:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:06,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:06,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:06,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:06,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:06,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:06,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:06,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:26:06,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:06,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:06,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:06,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:26:06,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:06,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:26:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:06,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:06,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:06,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:06,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:06,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:06,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:06,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:06,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:06,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:06,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:26:06,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:06,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:06,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:26:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:06,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:06,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:06,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:06,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:06,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 11:26:06,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:06,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:06,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:06,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:06,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-21 11:26:06,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:06,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 132 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-09-21 11:26:06,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869155321] [2020-09-21 11:26:06,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:06,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:06,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665258278] [2020-09-21 11:26:06,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:06,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:06,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:06,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:06,919 INFO L87 Difference]: Start difference. First operand 3863 states and 4919 transitions. Second operand 7 states. [2020-09-21 11:26:09,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:09,361 INFO L93 Difference]: Finished difference Result 11761 states and 15866 transitions. [2020-09-21 11:26:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:26:09,361 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 276 [2020-09-21 11:26:09,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:09,392 INFO L225 Difference]: With dead ends: 11761 [2020-09-21 11:26:09,392 INFO L226 Difference]: Without dead ends: 4766 [2020-09-21 11:26:09,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:09,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4766 states. [2020-09-21 11:26:09,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4766 to 4133. [2020-09-21 11:26:09,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4133 states. [2020-09-21 11:26:09,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 4133 states and 5180 transitions. [2020-09-21 11:26:09,552 INFO L78 Accepts]: Start accepts. Automaton has 4133 states and 5180 transitions. Word has length 276 [2020-09-21 11:26:09,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:09,553 INFO L479 AbstractCegarLoop]: Abstraction has 4133 states and 5180 transitions. [2020-09-21 11:26:09,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:09,553 INFO L276 IsEmpty]: Start isEmpty. Operand 4133 states and 5180 transitions. [2020-09-21 11:26:09,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-09-21 11:26:09,568 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:09,569 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:26:09,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:26:09,569 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:09,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:09,570 INFO L82 PathProgramCache]: Analyzing trace with hash 727280450, now seen corresponding path program 1 times [2020-09-21 11:26:09,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:09,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725712136] [2020-09-21 11:26:09,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:09,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:26:09,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -25 [2020-09-21 11:26:09,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 25 [2020-09-21 11:26:09,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:09,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-21 11:26:09,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:09,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:26:09,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-21 11:26:09,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:26:09,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:09,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:09,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:09,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:09,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:09,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:09,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:09,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:09,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:09,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:09,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:09,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:09,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:09,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:09,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:09,813 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:09,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:09,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:09,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:09,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:26:09,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:09,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:09,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:26:09,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:09,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:26:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:09,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:09,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:09,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:09,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:09,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:26:09,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:09,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:26:09,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:09,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:09,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:09,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:26:09,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:09,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:26:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:09,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:09,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:09,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:09,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:09,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:09,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:09,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:09,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:26:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:09,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:09,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 11:26:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:09,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:09,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:09,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:09,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:09,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 11:26:09,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:09,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:09,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:09,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-21 11:26:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:09,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:10,097 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 138 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-09-21 11:26:10,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725712136] [2020-09-21 11:26:10,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:10,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:10,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031341795] [2020-09-21 11:26:10,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:10,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:10,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:10,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:10,100 INFO L87 Difference]: Start difference. First operand 4133 states and 5180 transitions. Second operand 7 states. [2020-09-21 11:26:11,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:11,746 INFO L93 Difference]: Finished difference Result 9166 states and 11609 transitions. [2020-09-21 11:26:11,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:26:11,747 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 279 [2020-09-21 11:26:11,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:11,767 INFO L225 Difference]: With dead ends: 9166 [2020-09-21 11:26:11,767 INFO L226 Difference]: Without dead ends: 5043 [2020-09-21 11:26:11,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:26:11,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5043 states. [2020-09-21 11:26:11,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5043 to 5023. [2020-09-21 11:26:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5023 states. [2020-09-21 11:26:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5023 states to 5023 states and 6164 transitions. [2020-09-21 11:26:11,893 INFO L78 Accepts]: Start accepts. Automaton has 5023 states and 6164 transitions. Word has length 279 [2020-09-21 11:26:11,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:11,893 INFO L479 AbstractCegarLoop]: Abstraction has 5023 states and 6164 transitions. [2020-09-21 11:26:11,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 5023 states and 6164 transitions. [2020-09-21 11:26:11,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-09-21 11:26:11,912 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:26:11,912 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:26:11,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:26:11,913 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:26:11,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:26:11,913 INFO L82 PathProgramCache]: Analyzing trace with hash -843899178, now seen corresponding path program 1 times [2020-09-21 11:26:11,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:26:11,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207568914] [2020-09-21 11:26:11,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:26:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:11,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:11,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:11,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:11,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:11,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-09-21 11:26:11,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:11,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:26:11,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:26:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:26:11,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:12,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:26:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:12,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:12,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:12,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:12,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:12,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:26:12,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:12,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:12,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:12,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:26:12,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:26:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:12,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:12,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:12,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:12,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:12,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:26:12,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:12,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:26:12,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:12,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:26:12,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:26:12,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:26:12,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:12,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:26:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:12,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:12,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:12,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:12,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:12,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:26:12,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:12,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 11:26:12,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:12,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:26:12,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:26:12,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:26:12,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:12,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 11:26:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:12,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:12,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:12,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:12,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:12,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:26:12,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:12,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:12,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:12,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:12,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:26:12,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:12,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:12,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-21 11:26:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:12,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:12,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:12,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:12,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:12,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:26:12,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:12,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:12,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:12,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:12,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:26:12,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:12,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:12,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-21 11:26:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:26:12,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:26:12,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:26:12,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:26:12,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:26:12,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 11:26:12,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:26:12,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:26:12,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:26:12,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:26:12,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-21 11:26:12,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:26:12,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:26:12,332 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 173 proven. 37 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-09-21 11:26:12,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207568914] [2020-09-21 11:26:12,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:26:12,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:26:12,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319337990] [2020-09-21 11:26:12,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:26:12,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:26:12,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:26:12,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:26:12,335 INFO L87 Difference]: Start difference. First operand 5023 states and 6164 transitions. Second operand 7 states. [2020-09-21 11:26:12,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:26:12,830 INFO L93 Difference]: Finished difference Result 5173 states and 6317 transitions. [2020-09-21 11:26:12,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:26:12,831 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 306 [2020-09-21 11:26:12,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:26:12,831 INFO L225 Difference]: With dead ends: 5173 [2020-09-21 11:26:12,831 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:26:12,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:26:12,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:26:12,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:26:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:26:12,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:26:12,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 306 [2020-09-21 11:26:12,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:26:12,844 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:26:12,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:26:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:26:12,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:26:12,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:26:12,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:26:15,058 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 118 [2020-09-21 11:26:15,397 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 118 [2020-09-21 11:26:16,359 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 52 [2020-09-21 11:26:16,626 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2020-09-21 11:26:16,855 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2020-09-21 11:26:16,860 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:16,861 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-21 11:26:16,861 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:16,861 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,861 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,862 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,862 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,862 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,862 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 11:26:16,862 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 11:26:16,862 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 11:26:16,862 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 11:26:16,863 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 11:26:16,863 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 11:26:16,863 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 11:26:16,863 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 11:26:16,863 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 11:26:16,863 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 11:26:16,863 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:16,863 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:26:16,864 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 11:26:16,864 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,864 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,864 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,864 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,864 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 11:26:16,864 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,864 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 11:26:16,865 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 11:26:16,865 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 11:26:16,865 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 11:26:16,865 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 11:26:16,865 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 11:26:16,865 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 11:26:16,865 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:16,865 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 11:26:16,866 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 11:26:16,866 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 11:26:16,866 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 11:26:16,866 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:16,866 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 11:26:16,866 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 11:26:16,866 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,867 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,867 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,867 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,867 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,867 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 577) no Hoare annotation was computed. [2020-09-21 11:26:16,867 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:16,867 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 11:26:16,867 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 11:26:16,867 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 11:26:16,868 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 11:26:16,868 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 11:26:16,868 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 11:26:16,868 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 11:26:16,868 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 11:26:16,868 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 11:26:16,868 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 11:26:16,868 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,869 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,869 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,869 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,869 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,869 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 11:26:16,869 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 11:26:16,869 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 11:26:16,869 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 11:26:16,870 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 11:26:16,870 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 11:26:16,870 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 11:26:16,870 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 11:26:16,870 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 11:26:16,870 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 11:26:16,870 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 11:26:16,870 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 11:26:16,870 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 11:26:16,871 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,871 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,871 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,871 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,871 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,871 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 11:26:16,871 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 11:26:16,871 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 11:26:16,871 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 11:26:16,872 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 11:26:16,872 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 11:26:16,872 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 11:26:16,872 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 11:26:16,872 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 11:26:16,872 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 11:26:16,872 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 11:26:16,872 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 11:26:16,873 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 11:26:16,873 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:16,873 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 11:26:16,873 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 11:26:16,873 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,873 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,873 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,873 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,873 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 11:26:16,873 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,874 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:16,874 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,874 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:16,874 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 11:26:16,874 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 11:26:16,874 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,874 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,874 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 11:26:16,874 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 11:26:16,875 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 11:26:16,875 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 11:26:16,875 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 11:26:16,875 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 11:26:16,875 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 11:26:16,875 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 11:26:16,875 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 11:26:16,875 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 11:26:16,876 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 11:26:16,876 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,876 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,876 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,876 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,876 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,876 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,876 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 11:26:16,877 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 11:26:16,877 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 11:26:16,877 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 11:26:16,877 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 11:26:16,877 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 11:26:16,877 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 11:26:16,877 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 11:26:16,877 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 11:26:16,877 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 11:26:16,878 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 11:26:16,878 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,878 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,878 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,878 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,878 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,878 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,878 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 11:26:16,878 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 11:26:16,879 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 11:26:16,879 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 11:26:16,879 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:26:16,879 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 11:26:16,879 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 11:26:16,879 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 11:26:16,879 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 11:26:16,879 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 11:26:16,879 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 11:26:16,879 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 11:26:16,880 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 11:26:16,880 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 11:26:16,880 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,880 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,880 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,880 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse9 (= ~a28~0 |old(~a28~0)|)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse8 (not (= |old(~a25~0)| 1))) (.cse4 (not (<= 8 |old(~a17~0)|))) (.cse6 (= 11 |old(~a28~0)|)) (.cse7 (= |old(~a11~0)| 1)) (.cse10 (= ~a25~0 1)) (.cse5 (and .cse9 .cse0 .cse1 .cse2 .cse3))) (and (or (and .cse0 .cse1 .cse2 .cse3 (= ~a28~0 10)) (not (= 10 |old(~a28~0)|))) (or .cse4 .cse5 .cse6 .cse7) (or .cse5 (not (<= |old(~a11~0)| 0))) (or (not (<= |old(~a28~0)| 7)) .cse4 .cse5) (or .cse8 (and .cse9 .cse0 .cse1 .cse10 .cse3) .cse6) (or .cse8 .cse4 (not .cse6) .cse7 (and .cse0 .cse1 .cse10 .cse3 (= ~a28~0 11))) (or (not (= |old(~a19~0)| 1)) .cse5)))) [2020-09-21 11:26:16,881 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,881 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,881 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,881 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 11:26:16,881 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 11:26:16,881 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 11:26:16,881 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 11:26:16,881 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 11:26:16,881 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 11:26:16,881 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 11:26:16,882 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 11:26:16,882 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 11:26:16,882 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 11:26:16,882 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 11:26:16,882 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 11:26:16,882 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 11:26:16,882 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,882 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,882 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,883 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,883 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,883 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,883 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 11:26:16,883 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 11:26:16,883 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 11:26:16,883 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 11:26:16,883 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 11:26:16,884 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 11:26:16,884 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 11:26:16,884 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 11:26:16,884 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 11:26:16,884 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 11:26:16,884 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 11:26:16,884 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:16,884 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 11:26:16,885 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 11:26:16,885 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 11:26:16,885 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 11:26:16,885 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,885 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,885 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,885 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,885 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 11:26:16,886 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 11:26:16,886 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 11:26:16,886 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 11:26:16,886 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 11:26:16,886 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 11:26:16,886 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 11:26:16,886 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 11:26:16,886 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 11:26:16,886 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 11:26:16,887 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 11:26:16,887 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 11:26:16,887 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:16,887 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 11:26:16,887 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 11:26:16,887 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 11:26:16,887 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:16,887 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 11:26:16,887 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 11:26:16,888 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 11:26:16,888 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:26:16,888 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a19~0 1) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-09-21 11:26:16,888 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:26:16,888 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:26:16,888 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a11~0)| 0))) [2020-09-21 11:26:16,889 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 11))) (.cse2 (<= 8 ~a17~0)) (.cse0 (= ~a25~0 1)) (.cse3 (not (= ~a11~0 1)))) (or (and .cse0 .cse1) (not (<= |old(~a28~0)| 7)) (<= ~a11~0 0) (not (<= 8 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (not (<= |old(~a11~0)| 0)) (and .cse2 .cse3 .cse1) (and .cse2 (<= ~a28~0 7)) (= ~a19~0 |old(~a19~0)|) (and .cse2 .cse0 .cse3) (= ~a28~0 10))) [2020-09-21 11:26:16,889 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:16,889 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 11:26:16,889 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 11))) (.cse2 (<= 8 ~a17~0)) (.cse0 (= ~a25~0 1)) (.cse3 (not (= ~a11~0 1)))) (or (and .cse0 .cse1) (not (<= |old(~a28~0)| 7)) (<= ~a11~0 0) (not (<= 8 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (not (<= |old(~a11~0)| 0)) (and .cse2 .cse3 .cse1) (and .cse2 (<= ~a28~0 7)) (= ~a19~0 |old(~a19~0)|) (and .cse2 .cse0 .cse3) (= ~a28~0 10))) [2020-09-21 11:26:16,889 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 11:26:16,889 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 11:26:16,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:26:16 BoogieIcfgContainer [2020-09-21 11:26:16,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:26:16,916 INFO L168 Benchmark]: Toolchain (without parser) took 30240.78 ms. Allocated memory was 140.5 MB in the beginning and 607.1 MB in the end (delta: 466.6 MB). Free memory was 101.2 MB in the beginning and 362.8 MB in the end (delta: -261.5 MB). Peak memory consumption was 493.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:16,917 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-21 11:26:16,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 836.26 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 171.1 MB in the end (delta: -70.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:16,919 INFO L168 Benchmark]: Boogie Preprocessor took 121.43 ms. Allocated memory is still 205.5 MB. Free memory was 171.1 MB in the beginning and 166.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:16,919 INFO L168 Benchmark]: RCFGBuilder took 1346.75 ms. Allocated memory was 205.5 MB in the beginning and 239.6 MB in the end (delta: 34.1 MB). Free memory was 166.3 MB in the beginning and 181.3 MB in the end (delta: -14.9 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:16,920 INFO L168 Benchmark]: TraceAbstraction took 27922.74 ms. Allocated memory was 239.6 MB in the beginning and 607.1 MB in the end (delta: 367.5 MB). Free memory was 181.3 MB in the beginning and 362.8 MB in the end (delta: -181.5 MB). Peak memory consumption was 474.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:26:16,924 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 836.26 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 100.6 MB in the beginning and 171.1 MB in the end (delta: -70.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.43 ms. Allocated memory is still 205.5 MB. Free memory was 171.1 MB in the beginning and 166.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1346.75 ms. Allocated memory was 205.5 MB in the beginning and 239.6 MB in the end (delta: 34.1 MB). Free memory was 166.3 MB in the beginning and 181.3 MB in the end (delta: -14.9 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27922.74 ms. Allocated memory was 239.6 MB in the beginning and 607.1 MB in the end (delta: 367.5 MB). Free memory was 181.3 MB in the beginning and 362.8 MB in the end (delta: -181.5 MB). Peak memory consumption was 474.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 577]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((a25 == 1 && !(a28 == 11)) || !(\old(a28) <= 7)) || a11 <= 0) || !(8 <= \old(a17))) || !(\old(a19) == 1)) || !(\old(a11) <= 0)) || ((8 <= a17 && !(a11 == 1)) && !(a28 == 11))) || (8 <= a17 && a28 <= 7)) || a19 == \old(a19)) || ((8 <= a17 && a25 == 1) && !(a11 == 1))) || a28 == 10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.7s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 419 SDtfs, 4513 SDslu, 576 SDs, 0 SdLazy, 9965 SolverSat, 1487 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5023occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 1571 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 204 PreInvPairs, 300 NumberOfFragments, 399 HoareAnnotationTreeSize, 204 FomulaSimplifications, 85140 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5091 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 2109 NumberOfCodeBlocks, 2109 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2099 ConstructedInterpolants, 0 QuantifiedInterpolants, 1145227 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 999/1084 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...