/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/Problem01_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:24:36,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:24:36,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:24:36,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:24:36,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:24:36,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:24:36,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:24:36,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:24:36,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:24:36,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:24:36,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:24:36,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:24:36,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:24:36,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:24:36,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:24:36,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:24:36,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:24:36,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:24:36,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:24:36,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:24:36,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:24:36,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:24:36,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:24:36,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:24:36,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:24:36,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:24:36,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:24:36,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:24:36,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:24:36,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:24:36,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:24:36,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:24:36,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:24:36,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:24:36,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:24:36,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:24:36,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:24:36,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:24:36,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:24:36,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:24:36,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:24:36,232 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 11:24:36,266 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:24:36,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:24:36,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:24:36,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:24:36,268 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:24:36,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:24:36,269 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:24:36,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:24:36,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:24:36,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:24:36,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:24:36,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:24:36,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:24:36,270 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:24:36,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:24:36,274 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:24:36,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:24:36,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:24:36,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:24:36,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:24:36,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:24:36,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:24:36,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:24:36,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:24:36,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:24:36,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:24:36,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:24:36,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:24:36,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:24:36,280 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 11:24:36,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:24:36,790 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:24:36,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:24:36,796 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:24:36,797 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:24:36,798 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label00.c [2020-09-21 11:24:36,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a89edc732/20389cd612cf436db0e07e10fb3f5238/FLAG53a3904d0 [2020-09-21 11:24:37,488 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:24:37,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label00.c [2020-09-21 11:24:37,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a89edc732/20389cd612cf436db0e07e10fb3f5238/FLAG53a3904d0 [2020-09-21 11:24:37,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a89edc732/20389cd612cf436db0e07e10fb3f5238 [2020-09-21 11:24:37,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:24:37,738 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:24:37,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:24:37,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:24:37,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:24:37,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:24:37" (1/1) ... [2020-09-21 11:24:37,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbfe068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:37, skipping insertion in model container [2020-09-21 11:24:37,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:24:37" (1/1) ... [2020-09-21 11:24:37,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:24:37,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:24:38,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:24:38,322 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:24:38,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:24:38,560 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:24:38,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:38 WrapperNode [2020-09-21 11:24:38,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:24:38,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:24:38,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:24:38,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:24:38,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:38" (1/1) ... [2020-09-21 11:24:38,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:38" (1/1) ... [2020-09-21 11:24:38,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:38" (1/1) ... [2020-09-21 11:24:38,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:38" (1/1) ... [2020-09-21 11:24:38,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:38" (1/1) ... [2020-09-21 11:24:38,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:38" (1/1) ... [2020-09-21 11:24:38,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:38" (1/1) ... [2020-09-21 11:24:38,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:24:38,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:24:38,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:24:38,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:24:38,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:38" (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 11:24:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:24:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:24:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:24:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:24:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:24:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:24:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:24:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:24:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:24:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:24:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:24:40,088 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:24:40,088 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:24:40,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:24:40 BoogieIcfgContainer [2020-09-21 11:24:40,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:24:40,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:24:40,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:24:40,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:24:40,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:24:37" (1/3) ... [2020-09-21 11:24:40,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f10dcc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:24:40, skipping insertion in model container [2020-09-21 11:24:40,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:24:38" (2/3) ... [2020-09-21 11:24:40,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f10dcc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:24:40, skipping insertion in model container [2020-09-21 11:24:40,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:24:40" (3/3) ... [2020-09-21 11:24:40,106 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label00.c [2020-09-21 11:24:40,118 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:24:40,128 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:24:40,153 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:24:40,188 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:24:40,188 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:24:40,188 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:24:40,189 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:24:40,189 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:24:40,189 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:24:40,189 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:24:40,189 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:24:40,217 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-21 11:24:40,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-21 11:24:40,232 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:40,234 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] [2020-09-21 11:24:40,235 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:40,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:40,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1845535338, now seen corresponding path program 1 times [2020-09-21 11:24:40,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:40,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1041158489] [2020-09-21 11:24:40,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:40,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:40,694 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:40,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:40,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:40,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-09-21 11:24:40,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:40,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-09-21 11:24:40,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:40,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:24:40,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-21 11:24:40,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:41,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:41,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:41,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:41,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:41,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:41,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:41,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:41,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:24:41,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:41,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:41,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:41,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:24:41,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:41,145 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 11:24:41,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1041158489] [2020-09-21 11:24:41,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:41,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:24:41,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713342066] [2020-09-21 11:24:41,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:24:41,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:41,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:24:41,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:24:41,183 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-09-21 11:24:43,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:43,413 INFO L93 Difference]: Finished difference Result 753 states and 1287 transitions. [2020-09-21 11:24:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:24:43,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2020-09-21 11:24:43,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:43,438 INFO L225 Difference]: With dead ends: 753 [2020-09-21 11:24:43,438 INFO L226 Difference]: Without dead ends: 423 [2020-09-21 11:24:43,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:43,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-09-21 11:24:43,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 419. [2020-09-21 11:24:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-21 11:24:43,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 612 transitions. [2020-09-21 11:24:43,553 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 612 transitions. Word has length 114 [2020-09-21 11:24:43,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:43,554 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 612 transitions. [2020-09-21 11:24:43,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:24:43,555 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 612 transitions. [2020-09-21 11:24:43,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-09-21 11:24:43,561 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:43,562 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:24:43,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:24:43,562 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:43,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:43,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1810432653, now seen corresponding path program 1 times [2020-09-21 11:24:43,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:43,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479875141] [2020-09-21 11:24:43,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:43,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:43,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:43,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:43,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:43,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:24:43,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 11:24:43,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:24:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:24:43,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:43,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:43,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:43,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:43,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:43,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:43,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:43,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:43,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:24:43,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:43,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:43,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:43,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:24:43,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:43,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:43,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:43,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:43,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:43,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:43,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:24:43,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:43,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:24:43,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:43,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:43,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:43,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:24:43,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:43,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:24:43,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479875141] [2020-09-21 11:24:43,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:43,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:24:43,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442363625] [2020-09-21 11:24:43,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:24:43,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:43,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:24:43,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:24:43,886 INFO L87 Difference]: Start difference. First operand 419 states and 612 transitions. Second operand 8 states. [2020-09-21 11:24:45,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:45,996 INFO L93 Difference]: Finished difference Result 1686 states and 2576 transitions. [2020-09-21 11:24:45,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:24:45,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-09-21 11:24:45,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:46,011 INFO L225 Difference]: With dead ends: 1686 [2020-09-21 11:24:46,011 INFO L226 Difference]: Without dead ends: 1273 [2020-09-21 11:24:46,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:24:46,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2020-09-21 11:24:46,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1255. [2020-09-21 11:24:46,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-09-21 11:24:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1802 transitions. [2020-09-21 11:24:46,096 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1802 transitions. Word has length 123 [2020-09-21 11:24:46,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:46,096 INFO L479 AbstractCegarLoop]: Abstraction has 1255 states and 1802 transitions. [2020-09-21 11:24:46,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:24:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1802 transitions. [2020-09-21 11:24:46,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-09-21 11:24:46,106 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:46,106 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:46,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:24:46,107 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:46,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:46,107 INFO L82 PathProgramCache]: Analyzing trace with hash -457589907, now seen corresponding path program 1 times [2020-09-21 11:24:46,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:46,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439251507] [2020-09-21 11:24:46,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:46,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:46,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:46,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:46,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:46,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-09-21 11:24:46,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:46,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:24:46,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:24:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:24:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:46,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:46,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:46,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:46,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:46,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:46,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:46,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:46,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:24:46,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:46,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:24:46,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:46,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:46,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:46,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:46,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:46,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:46,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:24:46,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:46,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:24:46,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:46,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:46,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:46,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:24:46,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:24:46,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439251507] [2020-09-21 11:24:46,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:24:46,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:24:46,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011616733] [2020-09-21 11:24:46,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:24:46,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:46,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:24:46,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:24:46,407 INFO L87 Difference]: Start difference. First operand 1255 states and 1802 transitions. Second operand 8 states. [2020-09-21 11:24:47,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:47,919 INFO L93 Difference]: Finished difference Result 3245 states and 4903 transitions. [2020-09-21 11:24:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:24:47,920 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 124 [2020-09-21 11:24:47,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:47,936 INFO L225 Difference]: With dead ends: 3245 [2020-09-21 11:24:47,937 INFO L226 Difference]: Without dead ends: 1996 [2020-09-21 11:24:47,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:24:47,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2020-09-21 11:24:48,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1956. [2020-09-21 11:24:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1956 states. [2020-09-21 11:24:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2806 transitions. [2020-09-21 11:24:48,087 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2806 transitions. Word has length 124 [2020-09-21 11:24:48,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:48,089 INFO L479 AbstractCegarLoop]: Abstraction has 1956 states and 2806 transitions. [2020-09-21 11:24:48,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:24:48,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2806 transitions. [2020-09-21 11:24:48,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-09-21 11:24:48,097 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:48,098 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:24:48,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:24:48,103 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:48,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:48,103 INFO L82 PathProgramCache]: Analyzing trace with hash -526425041, now seen corresponding path program 1 times [2020-09-21 11:24:48,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:48,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468553051] [2020-09-21 11:24:48,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:24:48,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -16 [2020-09-21 11:24:48,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 16 [2020-09-21 11:24:48,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-21 11:24:48,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:24:48,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:48,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:24:48,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-21 11:24:48,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:48,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:48,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:48,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:48,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:48,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:48,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:48,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:48,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:48,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:24:48,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:48,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:24:48,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:48,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:48,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:48,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:24:48,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:24:48,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468553051] [2020-09-21 11:24:48,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:48,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:24:48,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047705724] [2020-09-21 11:24:48,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:24:48,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:48,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:24:48,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:24:48,647 INFO L87 Difference]: Start difference. First operand 1956 states and 2806 transitions. Second operand 5 states. [2020-09-21 11:24:49,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:49,834 INFO L93 Difference]: Finished difference Result 4009 states and 5818 transitions. [2020-09-21 11:24:49,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:24:49,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-09-21 11:24:49,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:49,847 INFO L225 Difference]: With dead ends: 4009 [2020-09-21 11:24:49,847 INFO L226 Difference]: Without dead ends: 1958 [2020-09-21 11:24:49,853 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 11:24:49,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1958 states. [2020-09-21 11:24:49,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1958 to 1954. [2020-09-21 11:24:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2020-09-21 11:24:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2565 transitions. [2020-09-21 11:24:49,938 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2565 transitions. Word has length 125 [2020-09-21 11:24:49,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:49,938 INFO L479 AbstractCegarLoop]: Abstraction has 1954 states and 2565 transitions. [2020-09-21 11:24:49,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:24:49,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2565 transitions. [2020-09-21 11:24:49,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-09-21 11:24:49,947 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:49,948 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:24:49,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:24:49,948 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:49,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:49,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1583976871, now seen corresponding path program 1 times [2020-09-21 11:24:49,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:49,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834984604] [2020-09-21 11:24:49,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:50,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:50,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:50,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:50,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:50,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-21 11:24:50,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:50,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:24:50,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-21 11:24:50,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:24:50,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:50,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:50,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:50,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:50,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:50,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:50,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:50,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:50,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:50,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:50,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:50,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:50,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:50,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:50,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:50,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:50,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:50,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:50,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:50,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:50,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:50,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:24:50,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:50,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:50,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:24:50,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:24:50,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834984604] [2020-09-21 11:24:50,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:50,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:24:50,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266505921] [2020-09-21 11:24:50,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:24:50,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:50,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:24:50,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:24:50,240 INFO L87 Difference]: Start difference. First operand 1954 states and 2565 transitions. Second operand 5 states. [2020-09-21 11:24:51,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:51,447 INFO L93 Difference]: Finished difference Result 4321 states and 5751 transitions. [2020-09-21 11:24:51,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:24:51,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-09-21 11:24:51,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:51,462 INFO L225 Difference]: With dead ends: 4321 [2020-09-21 11:24:51,462 INFO L226 Difference]: Without dead ends: 2373 [2020-09-21 11:24:51,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 11:24:51,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2020-09-21 11:24:51,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2369. [2020-09-21 11:24:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2369 states. [2020-09-21 11:24:51,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 3090 transitions. [2020-09-21 11:24:51,542 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 3090 transitions. Word has length 129 [2020-09-21 11:24:51,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:51,543 INFO L479 AbstractCegarLoop]: Abstraction has 2369 states and 3090 transitions. [2020-09-21 11:24:51,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:24:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 3090 transitions. [2020-09-21 11:24:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-21 11:24:51,550 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:51,550 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:51,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:24:51,551 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:51,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:51,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1689323216, now seen corresponding path program 1 times [2020-09-21 11:24:51,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:51,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516488932] [2020-09-21 11:24:51,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-09-21 11:24:51,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:24:51,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:51,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:24:51,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:24:51,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:51,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:51,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:51,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:51,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:24:51,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:24:51,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:51,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:51,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:24:51,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-21 11:24:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:51,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:51,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:51,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:51,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:51,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:24:51,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:51,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:24:51,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 11:24:51,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:51,787 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:24:51,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516488932] [2020-09-21 11:24:51,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:51,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:24:51,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837502199] [2020-09-21 11:24:51,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:24:51,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:51,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:24:51,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:51,790 INFO L87 Difference]: Start difference. First operand 2369 states and 3090 transitions. Second operand 7 states. [2020-09-21 11:24:53,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:53,048 INFO L93 Difference]: Finished difference Result 4649 states and 6206 transitions. [2020-09-21 11:24:53,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:24:53,049 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2020-09-21 11:24:53,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:53,063 INFO L225 Difference]: With dead ends: 4649 [2020-09-21 11:24:53,063 INFO L226 Difference]: Without dead ends: 2286 [2020-09-21 11:24:53,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:24:53,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2020-09-21 11:24:53,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 1833. [2020-09-21 11:24:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1833 states. [2020-09-21 11:24:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2287 transitions. [2020-09-21 11:24:53,151 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2287 transitions. Word has length 144 [2020-09-21 11:24:53,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:53,152 INFO L479 AbstractCegarLoop]: Abstraction has 1833 states and 2287 transitions. [2020-09-21 11:24:53,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:24:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2287 transitions. [2020-09-21 11:24:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-21 11:24:53,159 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:53,159 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:24:53,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:24:53,160 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:53,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:53,160 INFO L82 PathProgramCache]: Analyzing trace with hash 2082058651, now seen corresponding path program 1 times [2020-09-21 11:24:53,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:53,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713491307] [2020-09-21 11:24:53,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:53,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:53,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:53,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:53,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:53,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-09-21 11:24:53,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:53,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:24:53,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:53,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-21 11:24:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:24:53,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:53,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:53,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:53,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:53,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:53,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:53,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:53,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:53,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:53,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:53,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:53,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:53,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:53,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:53,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:53,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:53,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:24:53,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:53,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:24:53,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:53,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:53,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:53,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 11:24:53,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:24:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:24:53,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713491307] [2020-09-21 11:24:53,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:53,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:24:53,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058748777] [2020-09-21 11:24:53,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:24:53,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:53,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:24:53,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:24:53,464 INFO L87 Difference]: Start difference. First operand 1833 states and 2287 transitions. Second operand 5 states. [2020-09-21 11:24:54,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:54,567 INFO L93 Difference]: Finished difference Result 2663 states and 3356 transitions. [2020-09-21 11:24:54,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:24:54,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-09-21 11:24:54,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:54,585 INFO L225 Difference]: With dead ends: 2663 [2020-09-21 11:24:54,585 INFO L226 Difference]: Without dead ends: 2661 [2020-09-21 11:24:54,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:24:54,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-09-21 11:24:54,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2520. [2020-09-21 11:24:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2520 states. [2020-09-21 11:24:54,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 3157 transitions. [2020-09-21 11:24:54,705 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 3157 transitions. Word has length 167 [2020-09-21 11:24:54,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:54,708 INFO L479 AbstractCegarLoop]: Abstraction has 2520 states and 3157 transitions. [2020-09-21 11:24:54,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:24:54,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3157 transitions. [2020-09-21 11:24:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-21 11:24:54,722 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:24:54,723 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:54,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:24:54,724 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:24:54,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:24:54,724 INFO L82 PathProgramCache]: Analyzing trace with hash 18361282, now seen corresponding path program 1 times [2020-09-21 11:24:54,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:24:54,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844346759] [2020-09-21 11:24:54,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:24:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:54,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:54,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:54,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:54,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:54,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-21 11:24:54,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:54,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 11:24:54,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:24:54,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-21 11:24:54,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:24:54,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:55,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:24:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:55,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:55,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:55,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:55,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:55,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:24:55,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:55,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:55,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:55,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:55,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:24:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:55,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:55,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:55,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:55,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:55,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:24:55,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:55,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:24:55,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:55,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:24:55,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:55,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:24:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:55,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:55,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:55,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:55,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:55,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:24:55,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:55,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:24:55,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:55,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:24:55,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:24:55,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:24:55,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:55,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:24:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:55,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:55,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:55,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:55,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:55,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-21 11:24:55,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:55,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:24:55,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:55,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:24:55,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:24:55,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:24:55,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:55,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-21 11:24:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:24:55,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:24:55,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:24:55,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:24:55,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:24:55,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:24:55,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:24:55,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:24:55,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:24:55,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:24:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-21 11:24:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:24:55,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:24:55,257 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 136 proven. 22 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:24:55,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844346759] [2020-09-21 11:24:55,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:24:55,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:24:55,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413643120] [2020-09-21 11:24:55,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:24:55,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:24:55,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:24:55,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:24:55,260 INFO L87 Difference]: Start difference. First operand 2520 states and 3157 transitions. Second operand 7 states. [2020-09-21 11:24:57,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:24:57,337 INFO L93 Difference]: Finished difference Result 4729 states and 6213 transitions. [2020-09-21 11:24:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:24:57,338 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 226 [2020-09-21 11:24:57,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:24:57,339 INFO L225 Difference]: With dead ends: 4729 [2020-09-21 11:24:57,339 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:24:57,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:24:57,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:24:57,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:24:57,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:24:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:24:57,354 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-09-21 11:24:57,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:24:57,354 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:24:57,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:24:57,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:24:57,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:24:57,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:24:57,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:24:59,463 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 157 [2020-09-21 11:24:59,994 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 157 [2020-09-21 11:25:00,867 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 68 [2020-09-21 11:25:01,316 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 53 [2020-09-21 11:25:01,869 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 53 [2020-09-21 11:25:01,873 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:25:01,874 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-09-21 11:25:01,874 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:25:01,875 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-21 11:25:01,875 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-21 11:25:01,875 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,875 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,875 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,876 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,876 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,876 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,876 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-21 11:25:01,876 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-21 11:25:01,876 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-21 11:25:01,876 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-21 11:25:01,878 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-21 11:25:01,878 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 11:25:01,878 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-21 11:25:01,878 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-21 11:25:01,878 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-21 11:25:01,878 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-21 11:25:01,878 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,878 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,878 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,878 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,879 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,879 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,879 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-21 11:25:01,879 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-21 11:25:01,879 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-21 11:25:01,879 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-21 11:25:01,879 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-21 11:25:01,879 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 11:25:01,879 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-21 11:25:01,879 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-21 11:25:01,880 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-21 11:25:01,880 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-21 11:25:01,880 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-21 11:25:01,880 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 500) no Hoare annotation was computed. [2020-09-21 11:25:01,880 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-21 11:25:01,880 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-21 11:25:01,880 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-21 11:25:01,880 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-21 11:25:01,880 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,881 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,881 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,881 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,881 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,881 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-21 11:25:01,881 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-21 11:25:01,881 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 11:25:01,881 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-21 11:25:01,881 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-21 11:25:01,881 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-21 11:25:01,882 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-21 11:25:01,882 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-21 11:25:01,882 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-21 11:25:01,882 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,882 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,882 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,882 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,882 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,882 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-21 11:25:01,882 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-21 11:25:01,883 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-21 11:25:01,884 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-21 11:25:01,884 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 11:25:01,884 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-21 11:25:01,884 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-21 11:25:01,884 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-21 11:25:01,884 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-21 11:25:01,884 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-21 11:25:01,885 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-21 11:25:01,885 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-21 11:25:01,885 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-21 11:25:01,885 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,885 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,885 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,885 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,885 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,886 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-21 11:25:01,886 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-21 11:25:01,886 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-21 11:25:01,886 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-21 11:25:01,886 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-21 11:25:01,886 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-21 11:25:01,886 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 11:25:01,886 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 11:25:01,886 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-21 11:25:01,886 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,887 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,887 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,887 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,887 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,887 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,887 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-21 11:25:01,887 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,887 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-21 11:25:01,887 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-21 11:25:01,887 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-21 11:25:01,887 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-21 11:25:01,888 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-21 11:25:01,888 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-21 11:25:01,888 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-21 11:25:01,888 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-21 11:25:01,888 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-21 11:25:01,888 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-21 11:25:01,888 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-21 11:25:01,888 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-21 11:25:01,888 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-21 11:25:01,888 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,888 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,889 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,889 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,889 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,889 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-21 11:25:01,889 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-21 11:25:01,889 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-21 11:25:01,889 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 11:25:01,889 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 11:25:01,890 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 11:25:01,890 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-21 11:25:01,890 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-21 11:25:01,890 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,890 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,890 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,890 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,891 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,891 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-21 11:25:01,891 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-21 11:25:01,891 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-21 11:25:01,891 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-21 11:25:01,891 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-21 11:25:01,891 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-21 11:25:01,891 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 11:25:01,892 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 11:25:01,892 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-21 11:25:01,892 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-21 11:25:01,892 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse5 (= ~a7~0 |old(~a7~0)|)) (.cse7 (= ~a20~0 |old(~a20~0)|)) (.cse11 (= ~a16~0 |old(~a16~0)|)) (.cse12 (= ~a8~0 |old(~a8~0)|))) (let ((.cse1 (not (<= |old(~a16~0)| 5))) (.cse0 (= |old(~a7~0)| |old(~a17~0)|)) (.cse9 (not (= 0 |old(~a21~0)|))) (.cse2 (not (= |old(~a7~0)| 1))) (.cse10 (and .cse6 .cse5 .cse7 .cse11 .cse12 (= ~a21~0 0))) (.cse3 (and .cse6 .cse5 (= ~a21~0 |old(~a21~0)|) .cse7 .cse11 .cse12)) (.cse4 (not (= |old(~a21~0)| 1))) (.cse8 (not (= |old(~a7~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= |old(~a8~0)| 13)) .cse2 (not (= |old(~a20~0)| 1)) (and .cse5 .cse6 (= ~a21~0 1) .cse7 (= ~a8~0 13) (= ~a16~0 4)) .cse4 (not (= ~a12~0 8)) (not (= 4 |old(~a16~0)|))) (or (not (<= 15 |old(~a8~0)|)) .cse3 .cse4 .cse8) (or .cse9 .cse1 .cse2 .cse10) (or .cse1 .cse3 .cse4 .cse8) (or .cse0 .cse9 .cse2 .cse10) (or .cse3 (not (<= (+ |old(~a7~0)| 1) |old(~a17~0)|)) .cse4 .cse8)))) [2020-09-21 11:25:01,893 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-21 11:25:01,893 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,893 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,893 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,893 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,893 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-21 11:25:01,894 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,894 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,894 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-21 11:25:01,894 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-21 11:25:01,894 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-21 11:25:01,894 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-21 11:25:01,894 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-21 11:25:01,895 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 11:25:01,895 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 11:25:01,895 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-21 11:25:01,895 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-21 11:25:01,895 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-21 11:25:01,895 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-21 11:25:01,895 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-21 11:25:01,896 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,896 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,896 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,896 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,896 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,896 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-21 11:25:01,896 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,896 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-21 11:25:01,897 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-21 11:25:01,897 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 11:25:01,897 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-21 11:25:01,897 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-21 11:25:01,897 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 11:25:01,897 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-21 11:25:01,897 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-21 11:25:01,897 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-21 11:25:01,898 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-21 11:25:01,898 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-21 11:25:01,898 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-21 11:25:01,898 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-21 11:25:01,898 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-21 11:25:01,898 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,898 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,899 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,899 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,899 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,899 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 11:25:01,899 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-21 11:25:01,899 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-21 11:25:01,899 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-21 11:25:01,900 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 11:25:01,900 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 11:25:01,900 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-21 11:25:01,900 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 11:25:01,900 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-21 11:25:01,900 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-21 11:25:01,900 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-21 11:25:01,900 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:25:01,901 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a16~0 5) (<= (+ ~a7~0 1) ~a17~0) (= ~a7~0 0) (<= 15 ~a8~0)) [2020-09-21 11:25:01,901 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:25:01,901 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:25:01,901 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (<= (+ |old(~a7~0)| 1) |old(~a17~0)|)) (not (= |old(~a21~0)| 1)) (not (= |old(~a7~0)| 0))) [2020-09-21 11:25:01,901 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-21 11:25:01,902 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (not (= ~a17~0 ~a7~0))) (.cse1 (= ~a21~0 1)) (.cse4 (= ~a7~0 0)) (.cse0 (= ~a7~0 1)) (.cse2 (<= ~a16~0 5)) (.cse5 (= ~a21~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse0 (= ~a12~0 8) (= ~a8~0 13) (= ~a20~0 1) (= ~a16~0 4)) (and .cse1 (<= (+ ~a7~0 1) ~a17~0) .cse4) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and .cse1 .cse2 .cse4) (and .cse0 .cse3 .cse5) (and .cse1 (<= 15 ~a8~0) .cse4) (not (<= (+ |old(~a7~0)| 1) |old(~a17~0)|)) (not (= |old(~a21~0)| 1)) (not (= |old(~a7~0)| 0)) (and .cse0 .cse2 .cse5))) [2020-09-21 11:25:01,902 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-21 11:25:01,902 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-21 11:25:01,902 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (not (= ~a17~0 ~a7~0))) (.cse1 (= ~a21~0 1)) (.cse4 (= ~a7~0 0)) (.cse0 (= ~a7~0 1)) (.cse2 (<= ~a16~0 5)) (.cse5 (= ~a21~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse0 (= ~a12~0 8) (= ~a8~0 13) (= ~a20~0 1) (= ~a16~0 4)) (and .cse1 (<= (+ ~a7~0 1) ~a17~0) .cse4) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and .cse1 .cse2 .cse4) (and .cse0 .cse3 .cse5) (and .cse1 (<= 15 ~a8~0) .cse4) (not (<= (+ |old(~a7~0)| 1) |old(~a17~0)|)) (not (= |old(~a21~0)| 1)) (not (= |old(~a7~0)| 0)) (and .cse0 .cse2 .cse5))) [2020-09-21 11:25:01,902 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-21 11:25:01,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:25:01 BoogieIcfgContainer [2020-09-21 11:25:01,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:25:01,935 INFO L168 Benchmark]: Toolchain (without parser) took 24201.45 ms. Allocated memory was 138.4 MB in the beginning and 521.1 MB in the end (delta: 382.7 MB). Free memory was 100.3 MB in the beginning and 243.7 MB in the end (delta: -143.5 MB). Peak memory consumption was 401.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:01,939 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:25:01,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.97 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 168.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:01,941 INFO L168 Benchmark]: Boogie Preprocessor took 130.06 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 163.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:01,942 INFO L168 Benchmark]: RCFGBuilder took 1402.36 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 163.5 MB in the beginning and 175.0 MB in the end (delta: -11.4 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:01,943 INFO L168 Benchmark]: TraceAbstraction took 21835.91 ms. Allocated memory was 233.8 MB in the beginning and 521.1 MB in the end (delta: 287.3 MB). Free memory was 175.0 MB in the beginning and 243.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 380.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:25:01,947 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 822.97 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 168.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.06 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 163.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1402.36 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 163.5 MB in the beginning and 175.0 MB in the end (delta: -11.4 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21835.91 ms. Allocated memory was 233.8 MB in the beginning and 521.1 MB in the end (delta: 287.3 MB). Free memory was 175.0 MB in the beginning and 243.7 MB in the end (delta: -68.8 MB). Peak memory consumption was 380.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 500]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((a7 == 1 && a21 == 1) && a16 <= 5) && !(a17 == a7)) || (((((a21 == 1 && a7 == 1) && a12 == 8) && a8 == 13) && a20 == 1) && a16 == 4)) || ((a21 == 1 && a7 + 1 <= a17) && a7 == 0)) || !(\old(a16) <= 5)) || !(15 <= \old(a8))) || ((a21 == 1 && a16 <= 5) && a7 == 0)) || ((a7 == 1 && !(a17 == a7)) && a21 == 0)) || ((a21 == 1 && 15 <= a8) && a7 == 0)) || !(\old(a7) + 1 <= \old(a17))) || !(\old(a21) == 1)) || !(\old(a7) == 0)) || ((a7 == 1 && a16 <= 5) && a21 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.1s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 3420 SDslu, 249 SDs, 0 SdLazy, 6139 SolverSat, 1000 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2520occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 664 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 122 PreInvPairs, 202 NumberOfFragments, 578 HoareAnnotationTreeSize, 122 FomulaSimplifications, 215533 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 30011 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1152 NumberOfCodeBlocks, 1152 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1144 ConstructedInterpolants, 0 QuantifiedInterpolants, 667524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 295/322 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...