/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:38:47,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:38:47,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:38:47,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:38:47,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:38:47,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:38:47,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:38:47,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:38:47,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:38:47,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:38:47,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:38:47,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:38:47,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:38:47,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:38:47,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:38:47,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:38:47,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:38:47,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:38:47,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:38:47,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:38:47,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:38:47,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:38:47,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:38:47,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:38:47,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:38:47,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:38:47,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:38:47,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:38:47,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:38:47,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:38:47,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:38:47,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:38:47,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:38:47,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:38:47,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:38:47,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:38:47,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:38:47,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:38:47,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:38:47,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:38:47,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:38:47,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:38:47,202 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:38:47,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:38:47,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:38:47,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:38:47,205 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:38:47,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:38:47,205 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:38:47,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:38:47,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:38:47,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:38:47,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:38:47,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:38:47,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:38:47,210 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:38:47,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:38:47,211 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:38:47,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:38:47,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:38:47,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:38:47,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:38:47,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:38:47,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:38:47,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:38:47,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:38:47,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:38:47,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:38:47,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:38:47,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:38:47,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:38:47,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:38:47,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:38:47,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:38:47,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:38:47,733 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:38:47,733 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:38:47,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-10-27 15:38:47,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e46d32ae4/3e791e15194a46fcb8920fcc23d16045/FLAG6bc62a8bf [2020-10-27 15:38:48,533 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:38:48,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-10-27 15:38:48,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e46d32ae4/3e791e15194a46fcb8920fcc23d16045/FLAG6bc62a8bf [2020-10-27 15:38:48,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e46d32ae4/3e791e15194a46fcb8920fcc23d16045 [2020-10-27 15:38:48,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:38:48,782 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:38:48,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:38:48,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:38:48,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:38:48,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:38:48" (1/1) ... [2020-10-27 15:38:48,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52944933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:48, skipping insertion in model container [2020-10-27 15:38:48,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:38:48" (1/1) ... [2020-10-27 15:38:48,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:38:48,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:38:49,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:38:49,295 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:38:49,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:38:49,485 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:38:49,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:49 WrapperNode [2020-10-27 15:38:49,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:38:49,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:38:49,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:38:49,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:38:49,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:49" (1/1) ... [2020-10-27 15:38:49,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:49" (1/1) ... [2020-10-27 15:38:49,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:49" (1/1) ... [2020-10-27 15:38:49,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:49" (1/1) ... [2020-10-27 15:38:49,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:49" (1/1) ... [2020-10-27 15:38:49,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:49" (1/1) ... [2020-10-27 15:38:49,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:49" (1/1) ... [2020-10-27 15:38:49,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:38:49,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:38:49,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:38:49,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:38:49,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:38:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:38:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:38:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:38:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:38:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:38:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:38:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:38:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:38:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:38:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:38:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:38:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:38:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:38:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:38:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:38:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:38:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:38:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:38:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:38:51,238 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:38:51,239 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:38:51,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:38:51 BoogieIcfgContainer [2020-10-27 15:38:51,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:38:51,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:38:51,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:38:51,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:38:51,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:38:48" (1/3) ... [2020-10-27 15:38:51,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61aa589c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:38:51, skipping insertion in model container [2020-10-27 15:38:51,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:38:49" (2/3) ... [2020-10-27 15:38:51,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61aa589c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:38:51, skipping insertion in model container [2020-10-27 15:38:51,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:38:51" (3/3) ... [2020-10-27 15:38:51,252 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label52.c [2020-10-27 15:38:51,265 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:38:51,270 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:38:51,285 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:38:51,316 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:38:51,316 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:38:51,317 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:38:51,317 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:38:51,317 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:38:51,317 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:38:51,317 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:38:51,317 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:38:51,343 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:38:51,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 15:38:51,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:51,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:38:51,358 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:51,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:51,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1927775789, now seen corresponding path program 1 times [2020-10-27 15:38:51,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:51,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093820826] [2020-10-27 15:38:51,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:51,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:52,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:53,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:53,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 15:38:53,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:38:53,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1655 [2020-10-27 15:38:53,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:53,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 15:38:53,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:38:53,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-27 15:38:53,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:38:53,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:53,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:53,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:53,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:53,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:53,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 15:38:53,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:38:53,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:53,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093820826] [2020-10-27 15:38:53,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:38:53,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 15:38:53,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280124987] [2020-10-27 15:38:53,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:53,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:53,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:53,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:53,857 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 5 states. [2020-10-27 15:38:56,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:38:56,345 INFO L93 Difference]: Finished difference Result 636 states and 1085 transitions. [2020-10-27 15:38:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:38:56,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-10-27 15:38:56,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:38:56,367 INFO L225 Difference]: With dead ends: 636 [2020-10-27 15:38:56,367 INFO L226 Difference]: Without dead ends: 332 [2020-10-27 15:38:56,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:38:56,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-10-27 15:38:56,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 326. [2020-10-27 15:38:56,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-10-27 15:38:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 428 transitions. [2020-10-27 15:38:56,470 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 428 transitions. Word has length 111 [2020-10-27 15:38:56,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:38:56,471 INFO L481 AbstractCegarLoop]: Abstraction has 326 states and 428 transitions. [2020-10-27 15:38:56,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:38:56,471 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 428 transitions. [2020-10-27 15:38:56,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 15:38:56,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:38:56,479 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:38:56,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:38:56,479 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:38:56,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:38:56,481 INFO L82 PathProgramCache]: Analyzing trace with hash 2092466222, now seen corresponding path program 1 times [2020-10-27 15:38:56,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:38:56,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575634982] [2020-10-27 15:38:56,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:38:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:56,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:56,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:57,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:58,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:58,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 15:38:58,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:38:58,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1885 [2020-10-27 15:38:58,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:38:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 15:38:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 15:38:58,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:58,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:38:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:58,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:58,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:58,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:38:58,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:58,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:38:58,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:38:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:38:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:38:58,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:38:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:38:58,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:38:58,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:38:58,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:38:58,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:38:58,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 15:38:58,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:38:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:38:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:38:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:38:58,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:38:58,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:38:58,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575634982] [2020-10-27 15:38:58,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:38:58,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:38:58,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566340392] [2020-10-27 15:38:58,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:38:58,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:38:58,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:38:58,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:38:58,802 INFO L87 Difference]: Start difference. First operand 326 states and 428 transitions. Second operand 5 states. [2020-10-27 15:39:00,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:00,689 INFO L93 Difference]: Finished difference Result 800 states and 1092 transitions. [2020-10-27 15:39:00,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:00,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-27 15:39:00,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:00,702 INFO L225 Difference]: With dead ends: 800 [2020-10-27 15:39:00,702 INFO L226 Difference]: Without dead ends: 480 [2020-10-27 15:39:00,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:39:00,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-10-27 15:39:00,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 476. [2020-10-27 15:39:00,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-27 15:39:00,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 608 transitions. [2020-10-27 15:39:00,780 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 608 transitions. Word has length 120 [2020-10-27 15:39:00,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:00,785 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 608 transitions. [2020-10-27 15:39:00,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:39:00,785 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 608 transitions. [2020-10-27 15:39:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 15:39:00,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:00,796 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:39:00,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:39:00,796 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:00,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:00,800 INFO L82 PathProgramCache]: Analyzing trace with hash -183523196, now seen corresponding path program 1 times [2020-10-27 15:39:00,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:00,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676634770] [2020-10-27 15:39:00,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:00,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:00,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:01,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:04,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:05,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:05,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:05,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 15:39:05,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:39:05,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 15:39:05,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:39:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 15:39:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-27 15:39:05,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:06,505 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-10-27 15:39:06,728 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-10-27 15:39:06,969 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2020-10-27 15:39:07,165 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 39 [2020-10-27 15:39:07,362 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 35 [2020-10-27 15:39:07,527 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2020-10-27 15:39:07,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:07,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:07,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:07,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:07,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:07,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:39:07,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:07,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:07,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:07,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:07,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:07,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:07,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:07,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:07,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 15:39:07,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:07,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 15:39:07,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:07,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 15:39:07,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:07,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 15:39:07,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:39:08,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676634770] [2020-10-27 15:39:08,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:08,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:39:08,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577366938] [2020-10-27 15:39:08,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:39:08,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:08,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:39:08,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:39:08,121 INFO L87 Difference]: Start difference. First operand 476 states and 608 transitions. Second operand 13 states. [2020-10-27 15:39:08,415 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 15:39:08,692 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 15:39:08,943 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 15:39:09,626 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 133 [2020-10-27 15:39:10,222 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-10-27 15:39:11,467 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 127 [2020-10-27 15:39:12,340 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 122 [2020-10-27 15:39:12,656 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2020-10-27 15:39:13,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:13,550 INFO L93 Difference]: Finished difference Result 1469 states and 1968 transitions. [2020-10-27 15:39:13,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 15:39:13,551 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2020-10-27 15:39:13,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:13,559 INFO L225 Difference]: With dead ends: 1469 [2020-10-27 15:39:13,560 INFO L226 Difference]: Without dead ends: 999 [2020-10-27 15:39:13,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2020-10-27 15:39:13,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-10-27 15:39:13,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 993. [2020-10-27 15:39:13,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 993 states. [2020-10-27 15:39:13,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1189 transitions. [2020-10-27 15:39:13,617 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1189 transitions. Word has length 132 [2020-10-27 15:39:13,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:13,618 INFO L481 AbstractCegarLoop]: Abstraction has 993 states and 1189 transitions. [2020-10-27 15:39:13,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:39:13,618 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1189 transitions. [2020-10-27 15:39:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 15:39:13,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:13,623 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:39:13,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:39:13,624 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:13,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:13,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1313517584, now seen corresponding path program 1 times [2020-10-27 15:39:13,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:13,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220326279] [2020-10-27 15:39:13,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:13,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:13,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:13,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:14,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:14,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:16,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:16,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:17,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:17,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:18,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:18,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-27 15:39:18,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 15:39:18,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 15:39:18,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:18,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:39:18,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 15:39:18,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 15:39:18,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:39:18,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:18,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:18,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:18,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:18,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:18,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:39:18,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:18,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:18,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:18,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:18,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:39:18,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:18,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:39:18,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:18,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:18,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:39:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:18,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:18,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:18,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 15:39:18,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:18,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 15:39:18,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 15:39:18,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:39:18,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1220326279] [2020-10-27 15:39:18,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:18,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:39:18,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198500139] [2020-10-27 15:39:18,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:39:18,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:18,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:39:18,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:39:18,991 INFO L87 Difference]: Start difference. First operand 993 states and 1189 transitions. Second operand 5 states. [2020-10-27 15:39:20,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:20,708 INFO L93 Difference]: Finished difference Result 2422 states and 2989 transitions. [2020-10-27 15:39:20,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:20,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-10-27 15:39:20,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:20,719 INFO L225 Difference]: With dead ends: 2422 [2020-10-27 15:39:20,720 INFO L226 Difference]: Without dead ends: 1435 [2020-10-27 15:39:20,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:39:20,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2020-10-27 15:39:20,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1431. [2020-10-27 15:39:20,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1431 states. [2020-10-27 15:39:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 1733 transitions. [2020-10-27 15:39:20,799 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 1733 transitions. Word has length 140 [2020-10-27 15:39:20,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:20,800 INFO L481 AbstractCegarLoop]: Abstraction has 1431 states and 1733 transitions. [2020-10-27 15:39:20,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:39:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1733 transitions. [2020-10-27 15:39:20,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-27 15:39:20,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:20,806 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 15:39:20,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:39:20,807 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:20,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:20,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1407642286, now seen corresponding path program 1 times [2020-10-27 15:39:20,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:20,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590188239] [2020-10-27 15:39:20,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:20,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:21,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:21,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:21,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:22,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:22,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 15:39:22,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:39:22,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1417 [2020-10-27 15:39:22,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:39:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-27 15:39:22,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 15:39:22,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:22,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:22,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:22,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:22,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:22,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:22,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:39:22,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:22,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:22,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:22,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:22,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:22,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 15:39:22,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:22,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 15:39:22,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 15:39:22,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:39:22,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590188239] [2020-10-27 15:39:22,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:22,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:39:22,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713221964] [2020-10-27 15:39:22,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:39:22,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:22,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:39:22,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:39:22,578 INFO L87 Difference]: Start difference. First operand 1431 states and 1733 transitions. Second operand 5 states. [2020-10-27 15:39:24,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:24,389 INFO L93 Difference]: Finished difference Result 4037 states and 4981 transitions. [2020-10-27 15:39:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:39:24,389 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2020-10-27 15:39:24,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:24,410 INFO L225 Difference]: With dead ends: 4037 [2020-10-27 15:39:24,410 INFO L226 Difference]: Without dead ends: 2612 [2020-10-27 15:39:24,415 INFO L677 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 [2020-10-27 15:39:24,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2020-10-27 15:39:24,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2456. [2020-10-27 15:39:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2456 states. [2020-10-27 15:39:24,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 2997 transitions. [2020-10-27 15:39:24,540 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 2997 transitions. Word has length 169 [2020-10-27 15:39:24,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:24,541 INFO L481 AbstractCegarLoop]: Abstraction has 2456 states and 2997 transitions. [2020-10-27 15:39:24,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:39:24,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 2997 transitions. [2020-10-27 15:39:24,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-27 15:39:24,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:39:24,551 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 15:39:24,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:39:24,551 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:39:24,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:39:24,552 INFO L82 PathProgramCache]: Analyzing trace with hash -66855917, now seen corresponding path program 1 times [2020-10-27 15:39:24,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:39:24,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [970665068] [2020-10-27 15:39:24,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:39:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:24,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:24,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:24,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:25,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:25,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:25,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:26,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:27,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:27,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 15:39:27,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 15:39:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2752 [2020-10-27 15:39:27,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:39:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-27 15:39:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 15:39:27,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:27,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:39:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:27,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:27,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:27,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:39:27,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:27,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:39:27,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:27,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:27,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:27,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:27,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:27,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:39:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:27,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:27,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:27,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 15:39:27,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:39:27,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:39:27,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:27,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:39:27,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:39:27,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:39:27,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:27,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 15:39:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:39:27,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:27,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:39:27,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:39:27,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 15:39:27,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:39:27,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 15:39:27,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:39:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:39:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-27 15:39:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:39:27,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:39:27,717 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-27 15:39:27,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [970665068] [2020-10-27 15:39:27,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:39:27,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:39:27,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348365647] [2020-10-27 15:39:27,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:39:27,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:39:27,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:39:27,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:39:27,729 INFO L87 Difference]: Start difference. First operand 2456 states and 2997 transitions. Second operand 6 states. [2020-10-27 15:39:28,267 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 15:39:30,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:39:30,570 INFO L93 Difference]: Finished difference Result 5928 states and 7377 transitions. [2020-10-27 15:39:30,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 15:39:30,571 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 191 [2020-10-27 15:39:30,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:39:30,572 INFO L225 Difference]: With dead ends: 5928 [2020-10-27 15:39:30,572 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:39:30,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-27 15:39:30,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:39:30,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:39:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:39:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:39:30,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2020-10-27 15:39:30,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:39:30,587 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:39:30,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:39:30,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:39:30,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:39:30,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:39:30,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:39:31,225 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2020-10-27 15:39:32,490 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 214 DAG size of output: 100 [2020-10-27 15:39:32,772 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 46 [2020-10-27 15:39:32,997 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2020-10-27 15:39:33,249 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2020-10-27 15:39:33,254 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:39:33,254 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:39:33,254 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:39:33,255 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:39:33,255 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:39:33,256 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-27 15:39:33,256 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:39:33,256 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-27 15:39:33,256 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-27 15:39:33,256 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:39:33,256 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 15:39:33,257 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:39:33,257 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:39:33,257 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:39:33,257 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:39:33,257 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:39:33,257 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:39:33,257 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:39:33,257 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:39:33,257 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:39:33,258 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:39:33,258 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:39:33,258 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,258 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,258 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,258 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,258 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,258 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:39:33,258 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:39:33,259 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:39:33,259 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:39:33,259 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 15:39:33,260 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:39:33,260 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:39:33,260 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:39:33,261 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:39:33,261 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:39:33,261 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:39:33,261 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:39:33,261 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:39:33,261 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,261 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,262 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,263 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,263 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:39:33,263 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,264 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:39:33,264 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-27 15:39:33,264 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:39:33,264 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:39:33,264 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:39:33,264 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:39:33,264 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:39:33,264 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:39:33,264 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:39:33,265 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:39:33,265 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:39:33,265 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:39:33,265 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:39:33,265 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:39:33,265 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:39:33,265 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,265 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,265 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,265 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,266 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,266 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:39:33,267 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:39:33,267 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:39:33,267 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:39:33,267 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:39:33,267 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:39:33,267 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:39:33,267 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 15:39:33,268 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:39:33,268 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:39:33,268 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:39:33,268 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,268 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,268 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,268 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,268 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,268 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:39:33,269 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:39:33,269 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:39:33,269 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:39:33,269 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:39:33,269 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:39:33,269 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:39:33,269 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-27 15:39:33,269 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:39:33,269 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:39:33,269 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:39:33,270 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:39:33,270 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:39:33,270 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,270 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,270 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,270 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,270 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,270 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:39:33,270 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-27 15:39:33,270 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:39:33,271 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:39:33,271 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:39:33,271 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:39:33,272 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:39:33,272 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:39:33,272 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:39:33,272 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,272 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,272 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:39:33,272 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:39:33,272 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:39:33,273 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:39:33,273 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:39:33,273 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:39:33,273 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:39:33,273 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,273 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,273 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,273 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,273 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:39:33,273 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,274 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:39:33,274 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,274 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:39:33,274 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:39:33,274 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:39:33,274 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:39:33,274 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:39:33,274 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:39:33,274 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-27 15:39:33,274 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:39:33,275 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:39:33,275 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:39:33,275 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:39:33,275 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:39:33,275 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:39:33,275 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:39:33,275 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,275 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,275 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,275 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,276 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,276 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,276 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:39:33,276 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:39:33,276 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:39:33,276 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:39:33,276 INFO L270 CegarLoopResult]: At program point L486(line 486) the Hoare annotation is: (let ((.cse2 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse3 (= 8 |old(~a28~0)|)) (.cse0 (not (<= |old(~a19~0)| 1))) (.cse1 (not (<= 1 |old(~a19~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (= |old(~a11~0)| 1)) (not (<= 10 |old(~a28~0)|)) (or .cse3 .cse2) (not (= 7 |old(~a28~0)|)) (or .cse3 .cse0 .cse1) (or (not (<= |old(~a17~0)| 8)) (not (< 7 |old(~a28~0)|)) (not (<= |old(~a28~0)| 8)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (and (not (<= 2 |old(~a11~0)|)) (not (<= |old(~a11~0)| 0))) (not (< 7 |old(~a17~0)|))))) [2020-10-27 15:39:33,277 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:39:33,277 INFO L274 CegarLoopResult]: For program point L486-1(line 486) no Hoare annotation was computed. [2020-10-27 15:39:33,277 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:39:33,277 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:39:33,277 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:39:33,277 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:39:33,277 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:39:33,277 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,277 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,277 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,278 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,278 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,278 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,278 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:39:33,278 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:39:33,278 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:39:33,278 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:39:33,278 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-27 15:39:33,278 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:39:33,279 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 15:39:33,279 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse10 (= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse9 (= ~a19~0 |old(~a19~0)|))) (let ((.cse1 (not (<= |old(~a19~0)| 1))) (.cse3 (not (<= 1 |old(~a19~0)|))) (.cse2 (and .cse10 .cse6 .cse7 .cse8 .cse9)) (.cse0 (= 8 |old(~a28~0)|)) (.cse4 (and .cse10 (= ~a25~0 ~a11~0) .cse6 .cse8 .cse9)) (.cse5 (not (= |old(~a11~0)| |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 (= |old(~a11~0)| 1)) (or .cse1 .cse3 .cse4 .cse5) (or (and .cse6 .cse7 .cse8 (= 7 ~a28~0) .cse9) (not (= 7 |old(~a28~0)|))) (or .cse2 (not (<= 10 |old(~a28~0)|))) (or .cse0 .cse4 .cse5) (or (not (<= |old(~a17~0)| 8)) (not (< 7 |old(~a28~0)|)) (not (<= |old(~a28~0)| 8)) (not (<= |old(~a25~0)| 0)) (not (= ~a21~0 1)) (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1)))) (and (not (<= 2 |old(~a11~0)|)) (not (<= |old(~a11~0)| 0))) (not (< 7 |old(~a17~0)|)) (and .cse7 .cse8 (<= ~a28~0 8) (<= ~a17~0 8) (< 7 ~a17~0) (< 7 ~a28~0) .cse9))))) [2020-10-27 15:39:33,279 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:39:33,279 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:39:33,279 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:39:33,279 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:39:33,279 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:39:33,280 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:39:33,280 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:39:33,280 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,280 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,280 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,280 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,280 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,280 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,280 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:39:33,280 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:39:33,281 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:39:33,281 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-27 15:39:33,281 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:39:33,281 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:39:33,281 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:39:33,281 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:39:33,281 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:39:33,281 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:39:33,281 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:39:33,281 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:39:33,282 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:39:33,282 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,282 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,282 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,282 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,282 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,282 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,282 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:39:33,282 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:39:33,282 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:39:33,283 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:39:33,283 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:39:33,283 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:39:33,283 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:39:33,283 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:39:33,283 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:39:33,283 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:39:33,283 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:39:33,283 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:39:33,283 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:39:33,284 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:39:33,284 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:39:33,284 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:39:33,284 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,284 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,284 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,284 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,284 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:39:33,284 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:39:33,285 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:39:33,285 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:39:33,285 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:39:33,285 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:39:33,285 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= 7 ~a28~0) (<= ~a19~0 1) (not (= ~a11~0 1)) (<= 1 ~a19~0)) [2020-10-27 15:39:33,285 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:39:33,285 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:39:33,285 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse3 (not (= ~a11~0 1))) (.cse1 (<= ~a19~0 1)) (.cse2 (<= 1 ~a19~0)) (.cse4 (= ~a25~0 ~a11~0)) (.cse0 (not (= ~a28~0 8)))) (or (not (<= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2) (<= 10 ~a28~0) (and .cse1 .cse3 .cse2) (not (<= 1 |old(~a19~0)|)) (= 7 ~a28~0) (and (= ~a21~0 1) (<= 8 ~a17~0) (<= ~a28~0 8) .cse3 (<= 8 ~a28~0) (<= ~a17~0 8) (<= ~a25~0 0)) (= |old(~a11~0)| 1) (and .cse4 .cse1 .cse2) (and .cse4 .cse0) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-27 15:39:33,286 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a25~0 |old(~a25~0)|) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a19~0)| 1)) (not (<= 1 |old(~a19~0)|)) (= |old(~a11~0)| 1) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-27 15:39:33,286 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:39:33,286 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:39:33,286 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse3 (not (= ~a11~0 1))) (.cse1 (<= ~a19~0 1)) (.cse2 (<= 1 ~a19~0)) (.cse4 (= ~a25~0 ~a11~0)) (.cse0 (not (= ~a28~0 8)))) (or (not (<= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2) (<= 10 ~a28~0) (and .cse1 .cse3 .cse2) (not (<= 1 |old(~a19~0)|)) (and (= ~a21~0 1) (<= 8 ~a17~0) (<= ~a28~0 8) (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0))) .cse3 (<= 8 ~a28~0) (<= ~a17~0 8) (<= ~a25~0 0)) (= 7 ~a28~0) (= |old(~a11~0)| 1) (and .cse4 .cse1 .cse2) (and .cse4 .cse0) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-27 15:39:33,286 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:39:33,286 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:39:33,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:39:33 BoogieIcfgContainer [2020-10-27 15:39:33,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:39:33,322 INFO L168 Benchmark]: Toolchain (without parser) took 44545.02 ms. Allocated memory was 161.5 MB in the beginning and 641.7 MB in the end (delta: 480.2 MB). Free memory was 134.4 MB in the beginning and 244.6 MB in the end (delta: -110.2 MB). Peak memory consumption was 383.9 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:33,328 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 161.5 MB. Free memory is still 133.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:39:33,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.44 ms. Allocated memory is still 161.5 MB. Free memory was 133.8 MB in the beginning and 108.1 MB in the end (delta: 25.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:33,330 INFO L168 Benchmark]: Boogie Preprocessor took 160.47 ms. Allocated memory is still 161.5 MB. Free memory was 108.1 MB in the beginning and 139.6 MB in the end (delta: -31.4 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:33,331 INFO L168 Benchmark]: RCFGBuilder took 1587.76 ms. Allocated memory was 161.5 MB in the beginning and 198.2 MB in the end (delta: 36.7 MB). Free memory was 139.6 MB in the beginning and 160.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 90.3 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:33,332 INFO L168 Benchmark]: TraceAbstraction took 42075.70 ms. Allocated memory was 198.2 MB in the beginning and 641.7 MB in the end (delta: 443.5 MB). Free memory was 160.4 MB in the beginning and 244.6 MB in the end (delta: -84.2 MB). Peak memory consumption was 372.4 MB. Max. memory is 8.0 GB. [2020-10-27 15:39:33,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 ms. Allocated memory is still 161.5 MB. Free memory is still 133.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 705.44 ms. Allocated memory is still 161.5 MB. Free memory was 133.8 MB in the beginning and 108.1 MB in the end (delta: 25.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 160.47 ms. Allocated memory is still 161.5 MB. Free memory was 108.1 MB in the beginning and 139.6 MB in the end (delta: -31.4 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1587.76 ms. Allocated memory was 161.5 MB in the beginning and 198.2 MB in the end (delta: 36.7 MB). Free memory was 139.6 MB in the beginning and 160.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 90.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 42075.70 ms. Allocated memory was 198.2 MB in the beginning and 641.7 MB in the end (delta: 443.5 MB). Free memory was 160.4 MB in the beginning and 244.6 MB in the end (delta: -84.2 MB). Peak memory consumption was 372.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 608]: Loop Invariant Derived loop invariant: ((((((((((!(\old(a19) <= 1) || ((!(a28 == 8) && a19 <= 1) && 1 <= a19)) || 10 <= a28) || ((a19 <= 1 && !(a11 == 1)) && 1 <= a19)) || !(1 <= \old(a19))) || 7 == a28) || ((((((a21 == 1 && 8 <= a17) && a28 <= 8) && !(a11 == 1)) && 8 <= a28) && a17 <= 8) && a25 <= 0)) || \old(a11) == 1) || ((a25 == a11 && a19 <= 1) && 1 <= a19)) || (a25 == a11 && !(a28 == 8))) || !(7 == \old(a28))) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.2s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 227 SDtfs, 3286 SDslu, 278 SDs, 0 SdLazy, 5068 SolverSat, 936 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 42 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2456occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 176 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 142 PreInvPairs, 192 NumberOfFragments, 739 HoareAnnotationTreeSize, 142 FomulaSimplifications, 23160 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3260 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 21.4s InterpolantComputationTime, 863 NumberOfCodeBlocks, 863 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 857 ConstructedInterpolants, 0 QuantifiedInterpolants, 922355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 204/211 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...