/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:29:38,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:29:39,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:29:39,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:29:39,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:29:39,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:29:39,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:29:39,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:29:39,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:29:39,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:29:39,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:29:39,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:29:39,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:29:39,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:29:39,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:29:39,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:29:39,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:29:39,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:29:39,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:29:39,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:29:39,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:29:39,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:29:39,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:29:39,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:29:39,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:29:39,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:29:39,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:29:39,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:29:39,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:29:39,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:29:39,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:29:39,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:29:39,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:29:39,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:29:39,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:29:39,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:29:39,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:29:39,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:29:39,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:29:39,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:29:39,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:29:39,087 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 12:29:39,142 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:29:39,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:29:39,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:29:39,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:29:39,145 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:29:39,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:29:39,145 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:29:39,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:29:39,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:29:39,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:29:39,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:29:39,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:29:39,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:29:39,147 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:29:39,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:29:39,148 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:29:39,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:29:39,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:29:39,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:29:39,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:29:39,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:29:39,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:29:39,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:29:39,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:29:39,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:29:39,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:29:39,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:29:39,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:29:39,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:29:39,151 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:29:39,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:29:39,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:29:39,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:29:39,641 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:29:39,642 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:29:39,644 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2020-09-21 12:29:39,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7f468771/2d7059c4f8534ea183ebd09a01261ece/FLAGed4a19c46 [2020-09-21 12:29:40,358 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:29:40,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2020-09-21 12:29:40,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7f468771/2d7059c4f8534ea183ebd09a01261ece/FLAGed4a19c46 [2020-09-21 12:29:40,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7f468771/2d7059c4f8534ea183ebd09a01261ece [2020-09-21 12:29:40,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:29:40,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:29:40,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:29:40,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:29:40,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:29:40,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:29:40" (1/1) ... [2020-09-21 12:29:40,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678b2c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:40, skipping insertion in model container [2020-09-21 12:29:40,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:29:40" (1/1) ... [2020-09-21 12:29:40,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:29:40,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:29:41,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:29:41,263 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:29:41,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:29:41,470 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:29:41,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:41 WrapperNode [2020-09-21 12:29:41,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:29:41,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:29:41,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:29:41,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:29:41,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:41" (1/1) ... [2020-09-21 12:29:41,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:41" (1/1) ... [2020-09-21 12:29:41,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:41" (1/1) ... [2020-09-21 12:29:41,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:41" (1/1) ... [2020-09-21 12:29:41,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:41" (1/1) ... [2020-09-21 12:29:41,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:41" (1/1) ... [2020-09-21 12:29:41,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:41" (1/1) ... [2020-09-21 12:29:41,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:29:41,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:29:41,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:29:41,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:29:41,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:41" (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 12:29:41,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:29:41,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:29:41,703 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:29:41,703 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:29:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:29:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:29:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:29:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:29:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:29:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:29:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:29:43,031 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:29:43,032 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:29:43,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:29:43 BoogieIcfgContainer [2020-09-21 12:29:43,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:29:43,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:29:43,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:29:43,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:29:43,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:29:40" (1/3) ... [2020-09-21 12:29:43,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1318555a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:29:43, skipping insertion in model container [2020-09-21 12:29:43,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:29:41" (2/3) ... [2020-09-21 12:29:43,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1318555a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:29:43, skipping insertion in model container [2020-09-21 12:29:43,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:29:43" (3/3) ... [2020-09-21 12:29:43,056 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label21.c [2020-09-21 12:29:43,068 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:29:43,083 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:29:43,106 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:29:43,148 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:29:43,148 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:29:43,148 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:29:43,149 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:29:43,149 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:29:43,149 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:29:43,149 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:29:43,149 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:29:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 12:29:43,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-09-21 12:29:43,190 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:43,191 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] [2020-09-21 12:29:43,192 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:43,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:43,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1487720814, now seen corresponding path program 1 times [2020-09-21 12:29:43,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:43,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773422313] [2020-09-21 12:29:43,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:43,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:43,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:44,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:44,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 12:29:44,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:44,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-09-21 12:29:44,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:29:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:29:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 12:29:44,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:29:44,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:44,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:44,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:44,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:44,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:44,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:29:44,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:29:44,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:44,748 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 12:29:44,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773422313] [2020-09-21 12:29:44,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:29:44,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:29:44,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907879335] [2020-09-21 12:29:44,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:44,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:44,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:44,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:44,782 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-09-21 12:29:46,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:46,536 INFO L93 Difference]: Finished difference Result 671 states and 1125 transitions. [2020-09-21 12:29:46,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:46,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-09-21 12:29:46,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:46,576 INFO L225 Difference]: With dead ends: 671 [2020-09-21 12:29:46,576 INFO L226 Difference]: Without dead ends: 341 [2020-09-21 12:29:46,586 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:46,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-09-21 12:29:46,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2020-09-21 12:29:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-09-21 12:29:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 480 transitions. [2020-09-21 12:29:46,672 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 480 transitions. Word has length 102 [2020-09-21 12:29:46,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:46,673 INFO L479 AbstractCegarLoop]: Abstraction has 332 states and 480 transitions. [2020-09-21 12:29:46,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 480 transitions. [2020-09-21 12:29:46,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-09-21 12:29:46,680 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:46,680 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:46,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:29:46,681 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:46,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:46,681 INFO L82 PathProgramCache]: Analyzing trace with hash -793851319, now seen corresponding path program 1 times [2020-09-21 12:29:46,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:46,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651994908] [2020-09-21 12:29:46,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:46,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:46,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:47,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:47,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:47,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-21 12:29:47,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:29:47,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:29:47,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:47,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:47,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:29:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-21 12:29:47,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:47,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:47,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:47,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:47,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:47,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:47,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:29:47,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:47,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:47,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:29:47,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:47,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:47,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:47,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:29:47,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:47,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:29:47,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:29:47,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:48,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [651994908] [2020-09-21 12:29:48,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:48,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:48,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997859224] [2020-09-21 12:29:48,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:48,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:48,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:48,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:48,004 INFO L87 Difference]: Start difference. First operand 332 states and 480 transitions. Second operand 5 states. [2020-09-21 12:29:49,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:49,392 INFO L93 Difference]: Finished difference Result 957 states and 1416 transitions. [2020-09-21 12:29:49,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:49,393 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-09-21 12:29:49,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:49,400 INFO L225 Difference]: With dead ends: 957 [2020-09-21 12:29:49,400 INFO L226 Difference]: Without dead ends: 631 [2020-09-21 12:29:49,402 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 12:29:49,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2020-09-21 12:29:49,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 625. [2020-09-21 12:29:49,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-09-21 12:29:49,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 889 transitions. [2020-09-21 12:29:49,444 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 889 transitions. Word has length 110 [2020-09-21 12:29:49,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:49,445 INFO L479 AbstractCegarLoop]: Abstraction has 625 states and 889 transitions. [2020-09-21 12:29:49,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:49,445 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 889 transitions. [2020-09-21 12:29:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-21 12:29:49,452 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:49,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:49,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:29:49,452 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:49,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:49,453 INFO L82 PathProgramCache]: Analyzing trace with hash -683087106, now seen corresponding path program 1 times [2020-09-21 12:29:49,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:49,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481269915] [2020-09-21 12:29:49,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:49,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:49,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:50,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:50,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 12:29:50,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:50,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:29:50,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:50,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:50,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-21 12:29:50,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 12:29:50,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:50,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:50,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:50,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:50,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:50,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:50,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:29:50,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:50,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:50,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:50,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:50,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:50,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:50,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:29:50,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:50,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 12:29:50,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:50,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 12:29:50,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:51,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481269915] [2020-09-21 12:29:51,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:51,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:51,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650278579] [2020-09-21 12:29:51,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:51,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:51,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:51,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:51,076 INFO L87 Difference]: Start difference. First operand 625 states and 889 transitions. Second operand 5 states. [2020-09-21 12:29:52,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:52,442 INFO L93 Difference]: Finished difference Result 1336 states and 1956 transitions. [2020-09-21 12:29:52,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:52,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-09-21 12:29:52,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:52,448 INFO L225 Difference]: With dead ends: 1336 [2020-09-21 12:29:52,448 INFO L226 Difference]: Without dead ends: 631 [2020-09-21 12:29:52,450 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 12:29:52,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2020-09-21 12:29:52,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 625. [2020-09-21 12:29:52,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-09-21 12:29:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 873 transitions. [2020-09-21 12:29:52,482 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 873 transitions. Word has length 128 [2020-09-21 12:29:52,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:52,482 INFO L479 AbstractCegarLoop]: Abstraction has 625 states and 873 transitions. [2020-09-21 12:29:52,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:52,482 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 873 transitions. [2020-09-21 12:29:52,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 12:29:52,486 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:52,487 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:52,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:29:52,487 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:52,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:52,488 INFO L82 PathProgramCache]: Analyzing trace with hash 235752310, now seen corresponding path program 1 times [2020-09-21 12:29:52,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:52,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151612153] [2020-09-21 12:29:52,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:52,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:52,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:53,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:53,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-21 12:29:53,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:53,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1094 [2020-09-21 12:29:53,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:53,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:29:53,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:29:53,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 12:29:53,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:53,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:53,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:53,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:53,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:53,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:53,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:29:53,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:53,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:53,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:53,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:29:53,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:53,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:53,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:53,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-21 12:29:53,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:53,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 12:29:53,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:29:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 12:29:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:29:53,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151612153] [2020-09-21 12:29:53,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:29:53,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:29:53,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149014740] [2020-09-21 12:29:53,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:29:53,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:53,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:29:53,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:29:53,894 INFO L87 Difference]: Start difference. First operand 625 states and 873 transitions. Second operand 7 states. [2020-09-21 12:29:55,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:55,491 INFO L93 Difference]: Finished difference Result 1853 states and 2667 transitions. [2020-09-21 12:29:55,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:29:55,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-09-21 12:29:55,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:55,500 INFO L225 Difference]: With dead ends: 1853 [2020-09-21 12:29:55,500 INFO L226 Difference]: Without dead ends: 1234 [2020-09-21 12:29:55,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:29:55,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2020-09-21 12:29:55,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1226. [2020-09-21 12:29:55,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1226 states. [2020-09-21 12:29:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1673 transitions. [2020-09-21 12:29:55,548 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1673 transitions. Word has length 132 [2020-09-21 12:29:55,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:55,549 INFO L479 AbstractCegarLoop]: Abstraction has 1226 states and 1673 transitions. [2020-09-21 12:29:55,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:29:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1673 transitions. [2020-09-21 12:29:55,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-21 12:29:55,553 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:55,554 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:55,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:29:55,554 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:55,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:55,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1087225464, now seen corresponding path program 1 times [2020-09-21 12:29:55,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:55,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248837898] [2020-09-21 12:29:55,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:55,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:55,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:55,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:56,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:56,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-09-21 12:29:56,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:29:56,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1021 [2020-09-21 12:29:56,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:29:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:29:56,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:56,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:56,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:56,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:56,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:56,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:29:56,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:56,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:56,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:56,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:56,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:56,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:29:56,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:56,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:29:56,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:56,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:29:56,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:56,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:29:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:56,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:56,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:56,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:29:56,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:56,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 12:29:56,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:56,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:29:56,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 12:29:56,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:56,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:29:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:56,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:56,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:56,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:29:56,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:56,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:29:56,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 12:29:56,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:56,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:56,920 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-21 12:29:56,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248837898] [2020-09-21 12:29:56,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:56,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:29:56,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998563308] [2020-09-21 12:29:56,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:29:56,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:56,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:29:56,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:29:56,922 INFO L87 Difference]: Start difference. First operand 1226 states and 1673 transitions. Second operand 7 states. [2020-09-21 12:29:59,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:59,345 INFO L93 Difference]: Finished difference Result 3652 states and 5100 transitions. [2020-09-21 12:29:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:29:59,349 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2020-09-21 12:29:59,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:59,361 INFO L225 Difference]: With dead ends: 3652 [2020-09-21 12:29:59,362 INFO L226 Difference]: Without dead ends: 1835 [2020-09-21 12:29:59,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:29:59,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2020-09-21 12:29:59,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1526. [2020-09-21 12:29:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-09-21 12:29:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1911 transitions. [2020-09-21 12:29:59,441 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1911 transitions. Word has length 142 [2020-09-21 12:29:59,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:59,443 INFO L479 AbstractCegarLoop]: Abstraction has 1526 states and 1911 transitions. [2020-09-21 12:29:59,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:29:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1911 transitions. [2020-09-21 12:29:59,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-21 12:29:59,447 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:59,448 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-09-21 12:29:59,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:29:59,448 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:59,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:59,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1476512050, now seen corresponding path program 1 times [2020-09-21 12:29:59,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:59,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547680386] [2020-09-21 12:29:59,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:59,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:59,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:00,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:00,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:00,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-09-21 12:30:00,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:00,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:30:00,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:00,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:00,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:30:00,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 12:30:00,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:00,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:00,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:00,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:00,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:00,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:00,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:30:00,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:00,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:00,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:00,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:00,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:00,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:00,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:30:00,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:00,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:00,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:00,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:00,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 12:30:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:00,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:00,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:00,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:30:00,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:00,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 12:30:00,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:00,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:00,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:30:00,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:00,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:30:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:00,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:00,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:00,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:30:00,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:00,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:30:00,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 12:30:00,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 12:30:00,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547680386] [2020-09-21 12:30:00,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:00,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:00,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496973134] [2020-09-21 12:30:00,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:00,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:00,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:00,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:00,841 INFO L87 Difference]: Start difference. First operand 1526 states and 1911 transitions. Second operand 7 states. [2020-09-21 12:30:02,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:02,086 INFO L93 Difference]: Finished difference Result 2443 states and 3029 transitions. [2020-09-21 12:30:02,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:30:02,087 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 152 [2020-09-21 12:30:02,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:02,087 INFO L225 Difference]: With dead ends: 2443 [2020-09-21 12:30:02,087 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:30:02,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:30:02,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:30:02,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:30:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:30:02,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:30:02,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-09-21 12:30:02,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:02,094 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:30:02,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:02,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:30:02,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:30:02,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:30:02,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:30:02,696 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 99 [2020-09-21 12:30:02,850 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 99 [2020-09-21 12:30:03,136 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 30 [2020-09-21 12:30:03,375 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-09-21 12:30:03,605 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-09-21 12:30:03,609 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:30:03,610 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-21 12:30:03,610 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:30:03,610 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,610 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,610 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,611 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,615 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,615 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 12:30:03,615 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 12:30:03,615 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 12:30:03,615 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 12:30:03,615 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 12:30:03,615 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 12:30:03,616 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 12:30:03,617 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 12:30:03,617 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 12:30:03,617 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:30:03,617 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:30:03,618 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:30:03,618 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 12:30:03,618 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,618 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,618 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,618 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,618 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 12:30:03,618 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,618 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 12:30:03,619 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 12:30:03,619 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 12:30:03,619 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 12:30:03,619 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 12:30:03,619 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 12:30:03,619 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 12:30:03,619 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:30:03,619 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:30:03,620 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 12:30:03,620 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 12:30:03,620 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 12:30:03,620 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:30:03,620 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:30:03,620 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 12:30:03,620 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,620 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,621 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,623 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,623 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,624 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 460) no Hoare annotation was computed. [2020-09-21 12:30:03,624 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:30:03,624 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 12:30:03,624 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:30:03,624 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 12:30:03,624 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 12:30:03,624 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 12:30:03,624 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 12:30:03,624 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 12:30:03,625 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 12:30:03,625 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 12:30:03,625 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 12:30:03,625 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,625 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,625 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,625 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,625 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,626 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 12:30:03,626 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 12:30:03,626 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 12:30:03,626 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 12:30:03,626 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 12:30:03,626 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 12:30:03,626 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 12:30:03,626 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 12:30:03,626 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 12:30:03,627 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 12:30:03,627 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 12:30:03,627 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 12:30:03,628 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 12:30:03,628 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,628 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,629 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,629 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,629 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,629 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 12:30:03,629 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 12:30:03,629 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 12:30:03,629 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 12:30:03,629 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 12:30:03,630 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 12:30:03,630 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 12:30:03,630 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 12:30:03,630 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 12:30:03,630 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 12:30:03,630 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 12:30:03,630 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 12:30:03,630 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 12:30:03,630 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:30:03,631 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 12:30:03,631 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:30:03,631 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,631 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,631 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,631 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,631 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 12:30:03,631 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,631 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:30:03,632 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,632 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:30:03,632 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:30:03,633 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:30:03,633 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,633 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,633 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 12:30:03,633 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 12:30:03,633 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 12:30:03,633 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 12:30:03,633 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 12:30:03,634 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 12:30:03,634 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 12:30:03,634 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 12:30:03,634 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 12:30:03,634 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 12:30:03,634 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 12:30:03,634 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,634 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,634 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,635 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,635 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,635 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,635 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 12:30:03,635 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 12:30:03,635 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 12:30:03,635 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 12:30:03,635 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 12:30:03,636 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 12:30:03,636 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 12:30:03,636 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 12:30:03,636 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 12:30:03,636 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 12:30:03,636 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 12:30:03,636 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,636 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,636 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,637 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,637 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,637 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,637 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 12:30:03,637 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 12:30:03,637 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 12:30:03,637 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 12:30:03,637 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 12:30:03,637 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 12:30:03,638 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 12:30:03,638 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 12:30:03,638 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 12:30:03,638 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 12:30:03,638 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 12:30:03,638 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 12:30:03,638 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 12:30:03,638 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 12:30:03,639 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,639 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,639 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,639 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (and (or (not (= 7 |old(~a17~0)|)) (and .cse0 (= 7 ~a17~0) .cse1 .cse2 .cse3) (not (= |old(~a11~0)| 1))) (or (and .cse0 .cse1 .cse2 (= ~a17~0 8) .cse3) (not (= 8 |old(~a17~0)|))))) [2020-09-21 12:30:03,640 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,640 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,640 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,640 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 12:30:03,640 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 12:30:03,640 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 12:30:03,640 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 12:30:03,640 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 12:30:03,640 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 12:30:03,641 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 12:30:03,641 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 12:30:03,641 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 12:30:03,641 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 12:30:03,641 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 12:30:03,641 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 12:30:03,641 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 12:30:03,641 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,641 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,642 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,642 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,642 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,642 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,642 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 12:30:03,642 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 12:30:03,642 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 12:30:03,642 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 12:30:03,642 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 12:30:03,643 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 12:30:03,643 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 12:30:03,643 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 12:30:03,643 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 12:30:03,643 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 12:30:03,643 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 12:30:03,643 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:30:03,643 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:30:03,643 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 12:30:03,644 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 12:30:03,644 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 12:30:03,644 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,644 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,644 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,644 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,644 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:03,644 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 12:30:03,644 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 12:30:03,645 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 12:30:03,645 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 12:30:03,645 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 12:30:03,645 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 12:30:03,645 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 12:30:03,645 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 12:30:03,645 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 12:30:03,645 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 12:30:03,645 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 12:30:03,646 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:30:03,646 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 12:30:03,646 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:30:03,646 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 12:30:03,646 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:30:03,646 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:30:03,646 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 12:30:03,646 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 12:30:03,646 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:30:03,647 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (= ~a17~0 8)) [2020-09-21 12:30:03,647 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:30:03,648 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:30:03,648 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2020-09-21 12:30:03,648 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a17~0 8)) (.cse0 (or (<= |old(~a11~0)| 0) (<= 2 |old(~a11~0)|)))) (or (and (<= 1 ~a11~0) (<= 7 ~a17~0) (= ~a21~0 1) (<= 1 ~a25~0) (<= 7 ~a28~0) (<= ~a11~0 1) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a25~0 1) (<= ~a17~0 7) (<= 1 ~a19~0)) (and (= 7 ~a17~0) .cse0 (= ~a11~0 1)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse1 (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse0))) [2020-09-21 12:30:03,648 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:30:03,648 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:30:03,649 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= ~a17~0 8)) (.cse0 (or (<= |old(~a11~0)| 0) (<= 2 |old(~a11~0)|)))) (or (and (<= 1 ~a11~0) (<= 7 ~a17~0) (= ~a21~0 1) (<= 1 ~a25~0) (<= 7 ~a28~0) (<= ~a11~0 1) (<= ~a19~0 1) (<= ~a28~0 7) (<= ~a25~0 1) (<= ~a17~0 7) (<= 1 ~a19~0)) (and (= 7 ~a17~0) .cse0 (= ~a11~0 1)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse1 (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse0))) [2020-09-21 12:30:03,649 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 12:30:03,649 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 12:30:03,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:30:03 BoogieIcfgContainer [2020-09-21 12:30:03,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:30:03,679 INFO L168 Benchmark]: Toolchain (without parser) took 23076.46 ms. Allocated memory was 138.9 MB in the beginning and 531.1 MB in the end (delta: 392.2 MB). Free memory was 99.5 MB in the beginning and 420.9 MB in the end (delta: -321.3 MB). Peak memory consumption was 409.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:03,680 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:30:03,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 860.31 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 98.8 MB in the beginning and 170.5 MB in the end (delta: -71.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:03,682 INFO L168 Benchmark]: Boogie Preprocessor took 128.78 ms. Allocated memory is still 203.4 MB. Free memory was 170.5 MB in the beginning and 165.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:03,683 INFO L168 Benchmark]: RCFGBuilder took 1443.31 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.6 MB in the beginning and 180.3 MB in the end (delta: -14.6 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:03,684 INFO L168 Benchmark]: TraceAbstraction took 20630.53 ms. Allocated memory was 235.9 MB in the beginning and 531.1 MB in the end (delta: 295.2 MB). Free memory was 180.3 MB in the beginning and 420.9 MB in the end (delta: -240.6 MB). Peak memory consumption was 393.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:03,688 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 860.31 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 98.8 MB in the beginning and 170.5 MB in the end (delta: -71.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.78 ms. Allocated memory is still 203.4 MB. Free memory was 170.5 MB in the beginning and 165.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1443.31 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.6 MB in the beginning and 180.3 MB in the end (delta: -14.6 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20630.53 ms. Allocated memory was 235.9 MB in the beginning and 531.1 MB in the end (delta: 295.2 MB). Free memory was 180.3 MB in the beginning and 420.9 MB in the end (delta: -240.6 MB). Peak memory consumption was 393.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 460]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((1 <= a11 && 7 <= a17) && a21 == 1) && 1 <= a25) && 7 <= a28) && a11 <= 1) && a19 <= 1) && a28 <= 7) && a25 <= 1) && a17 <= 7) && 1 <= a19) || ((7 == a17 && (\old(a11) <= 0 || 2 <= \old(a11))) && a11 == 1)) || !(\old(a19) == 1)) || ((((a28 == \old(a28) && a11 == \old(a11)) && a25 == \old(a25)) && a17 == 8) && a19 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25))) || (a17 == 8 && (\old(a11) <= 0 || 2 <= \old(a11))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.9s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 211 SDtfs, 2487 SDslu, 260 SDs, 0 SdLazy, 5481 SolverSat, 779 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1526occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 338 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 48 PreInvPairs, 76 NumberOfFragments, 315 HoareAnnotationTreeSize, 48 FomulaSimplifications, 12481 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1241 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 766 NumberOfCodeBlocks, 766 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 760 ConstructedInterpolants, 0 QuantifiedInterpolants, 640661 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 181/194 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...