/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/Problem01_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:34:28,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:34:28,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:34:28,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:34:28,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:34:28,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:34:28,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:34:28,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:34:28,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:34:28,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:34:28,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:34:28,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:34:28,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:34:28,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:34:28,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:34:28,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:34:28,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:34:28,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:34:28,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:34:28,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:34:28,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:34:28,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:34:28,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:34:28,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:34:28,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:34:28,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:34:28,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:34:28,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:34:28,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:34:28,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:34:28,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:34:28,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:34:28,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:34:28,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:34:28,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:34:28,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:34:28,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:34:28,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:34:28,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:34:28,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:34:28,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:34:28,768 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 15:34:28,824 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:34:28,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:34:28,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:34:28,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:34:28,829 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:34:28,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:34:28,829 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:34:28,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:34:28,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:34:28,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:34:28,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:34:28,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:34:28,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:34:28,832 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:34:28,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:34:28,832 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:34:28,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:34:28,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:34:28,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:34:28,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:34:28,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:34:28,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:34:28,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:34:28,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:34:28,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:34:28,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:34:28,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:34:28,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:34:28,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:34:28,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:34:29,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:34:29,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:34:29,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:34:29,338 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:34:29,339 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:34:29,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label49.c [2020-10-27 15:34:29,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0dd53db90/a3474122953f497ea1f2df733dcdf0e5/FLAG1ddbf97d2 [2020-10-27 15:34:30,193 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:34:30,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label49.c [2020-10-27 15:34:30,210 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0dd53db90/a3474122953f497ea1f2df733dcdf0e5/FLAG1ddbf97d2 [2020-10-27 15:34:30,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0dd53db90/a3474122953f497ea1f2df733dcdf0e5 [2020-10-27 15:34:30,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:34:30,443 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:34:30,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:34:30,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:34:30,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:34:30,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:34:30" (1/1) ... [2020-10-27 15:34:30,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da8912c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:30, skipping insertion in model container [2020-10-27 15:34:30,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:34:30" (1/1) ... [2020-10-27 15:34:30,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:34:30,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:34:31,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:34:31,016 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:34:31,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:34:31,247 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:34:31,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:31 WrapperNode [2020-10-27 15:34:31,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:34:31,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:34:31,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:34:31,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:34:31,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:31" (1/1) ... [2020-10-27 15:34:31,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:31" (1/1) ... [2020-10-27 15:34:31,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:31" (1/1) ... [2020-10-27 15:34:31,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:31" (1/1) ... [2020-10-27 15:34:31,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:31" (1/1) ... [2020-10-27 15:34:31,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:31" (1/1) ... [2020-10-27 15:34:31,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:31" (1/1) ... [2020-10-27 15:34:31,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:34:31,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:34:31,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:34:31,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:34:31,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:31" (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 15:34:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:34:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:34:31,475 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:34:31,475 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:34:31,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:34:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:34:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:34:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:34:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:34:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:34:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:34:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:34:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:34:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:34:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:34:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:34:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:34:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:34:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:34:33,124 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:34:33,124 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:34:33,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:34:33 BoogieIcfgContainer [2020-10-27 15:34:33,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:34:33,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:34:33,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:34:33,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:34:33,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:34:30" (1/3) ... [2020-10-27 15:34:33,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f547ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:34:33, skipping insertion in model container [2020-10-27 15:34:33,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:34:31" (2/3) ... [2020-10-27 15:34:33,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f547ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:34:33, skipping insertion in model container [2020-10-27 15:34:33,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:34:33" (3/3) ... [2020-10-27 15:34:33,137 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label49.c [2020-10-27 15:34:33,151 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:34:33,156 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:34:33,171 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:34:33,202 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:34:33,202 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:34:33,202 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:34:33,202 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:34:33,202 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:34:33,202 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:34:33,203 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:34:33,203 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:34:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-27 15:34:33,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-27 15:34:33,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:34:33,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:34:33,243 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:34:33,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:34:33,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1767979289, now seen corresponding path program 1 times [2020-10-27 15:34:33,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:34:33,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029921597] [2020-10-27 15:34:33,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:34:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:33,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:33,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:35,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:35,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-27 15:34:35,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:34:35,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2116 [2020-10-27 15:34:35,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:35,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 15:34:35,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:34:35,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 15:34:35,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:34:36,282 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-10-27 15:34:36,705 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-10-27 15:34:36,954 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2020-10-27 15:34:37,186 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-10-27 15:34:37,415 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-10-27 15:34:37,597 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-10-27 15:34:37,741 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2020-10-27 15:34:37,934 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:34:37,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:34:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:37,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:38,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:38,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:34:38,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:38,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 15:34:38,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:34:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:34:38,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:38,241 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 15:34:38,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029921597] [2020-10-27 15:34:38,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:34:38,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 15:34:38,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79798972] [2020-10-27 15:34:38,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:34:38,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:34:38,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:34:38,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:34:38,281 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 12 states. [2020-10-27 15:34:38,631 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 15:34:38,975 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 15:34:39,303 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 15:34:39,719 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-27 15:34:40,546 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2020-10-27 15:34:41,436 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 138 [2020-10-27 15:34:42,570 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 135 [2020-10-27 15:34:43,975 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 132 [2020-10-27 15:34:45,040 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 127 [2020-10-27 15:34:47,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:34:47,201 INFO L93 Difference]: Finished difference Result 479 states and 799 transitions. [2020-10-27 15:34:47,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 15:34:47,205 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 114 [2020-10-27 15:34:47,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:34:47,224 INFO L225 Difference]: With dead ends: 479 [2020-10-27 15:34:47,224 INFO L226 Difference]: Without dead ends: 206 [2020-10-27 15:34:47,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2020-10-27 15:34:47,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-27 15:34:47,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-10-27 15:34:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-27 15:34:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 278 transitions. [2020-10-27 15:34:47,305 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 278 transitions. Word has length 114 [2020-10-27 15:34:47,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:34:47,306 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 278 transitions. [2020-10-27 15:34:47,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:34:47,306 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 278 transitions. [2020-10-27 15:34:47,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-27 15:34:47,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:34:47,310 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:34:47,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:34:47,311 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:34:47,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:34:47,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1730293577, now seen corresponding path program 1 times [2020-10-27 15:34:47,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:34:47,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410986520] [2020-10-27 15:34:47,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:34:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:47,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:47,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:47,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:49,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:49,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 15:34:49,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:34:49,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1926 [2020-10-27 15:34:49,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:34:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 15:34:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-27 15:34:49,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 15:34:49,584 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:34:49,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:34:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:49,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:49,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:49,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:34:49,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:49,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:34:49,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:49,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:49,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:49,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:49,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:34:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:49,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:49,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:49,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:34:49,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:49,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:34:49,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:34:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:34:49,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:34:49,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410986520] [2020-10-27 15:34:49,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:34:49,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:34:49,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926104321] [2020-10-27 15:34:49,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:34:49,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:34:49,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:34:49,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:34:49,695 INFO L87 Difference]: Start difference. First operand 206 states and 278 transitions. Second operand 5 states. [2020-10-27 15:34:49,883 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 15:34:51,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:34:51,992 INFO L93 Difference]: Finished difference Result 483 states and 693 transitions. [2020-10-27 15:34:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:34:51,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-27 15:34:51,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:34:52,000 INFO L225 Difference]: With dead ends: 483 [2020-10-27 15:34:52,000 INFO L226 Difference]: Without dead ends: 343 [2020-10-27 15:34:52,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:34:52,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-10-27 15:34:52,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2020-10-27 15:34:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-10-27 15:34:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 479 transitions. [2020-10-27 15:34:52,042 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 479 transitions. Word has length 122 [2020-10-27 15:34:52,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:34:52,043 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 479 transitions. [2020-10-27 15:34:52,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:34:52,043 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 479 transitions. [2020-10-27 15:34:52,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 15:34:52,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:34:52,048 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:34:52,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:34:52,048 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:34:52,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:34:52,051 INFO L82 PathProgramCache]: Analyzing trace with hash -464744612, now seen corresponding path program 1 times [2020-10-27 15:34:52,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:34:52,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [455960480] [2020-10-27 15:34:52,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:34:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:52,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:52,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:52,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:55,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:57,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:57,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 15:34:57,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:34:57,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 15:34:57,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:57,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:34:57,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 15:34:57,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-27 15:34:57,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:57,335 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:34:57,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:34:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:57,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:57,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:57,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:34:57,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:57,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 15:34:57,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:57,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:57,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:34:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:57,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:57,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:57,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:34:57,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:57,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:34:57,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:57,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:34:57,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:57,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:34:57,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:34:57,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:34:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:34:57,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:34:57,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:34:57,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:34:57,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:34:57,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:34:57,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:34:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:34:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:34:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:34:57,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:34:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:34:57,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [455960480] [2020-10-27 15:34:57,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:34:57,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:34:57,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513655946] [2020-10-27 15:34:57,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:34:57,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:34:57,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:34:57,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:34:57,485 INFO L87 Difference]: Start difference. First operand 343 states and 479 transitions. Second operand 6 states. [2020-10-27 15:34:57,853 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 15:34:58,483 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 15:35:00,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:00,693 INFO L93 Difference]: Finished difference Result 1168 states and 1728 transitions. [2020-10-27 15:35:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:35:00,694 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2020-10-27 15:35:00,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:00,703 INFO L225 Difference]: With dead ends: 1168 [2020-10-27 15:35:00,703 INFO L226 Difference]: Without dead ends: 891 [2020-10-27 15:35:00,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:35:00,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2020-10-27 15:35:00,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 752. [2020-10-27 15:35:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-10-27 15:35:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1030 transitions. [2020-10-27 15:35:00,789 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1030 transitions. Word has length 131 [2020-10-27 15:35:00,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:00,790 INFO L481 AbstractCegarLoop]: Abstraction has 752 states and 1030 transitions. [2020-10-27 15:35:00,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:35:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1030 transitions. [2020-10-27 15:35:00,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 15:35:00,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:00,795 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:00,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:35:00,796 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:00,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:00,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1758523831, now seen corresponding path program 1 times [2020-10-27 15:35:00,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:00,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122280265] [2020-10-27 15:35:00,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:00,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:00,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:00,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:05,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:05,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 15:35:05,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:35:05,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 15:35:05,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:35:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 15:35:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 15:35:05,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 15:35:06,160 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2020-10-27 15:35:06,711 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:35:06,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:06,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:06,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:06,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:06,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:06,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:35:06,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:06,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:06,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:06,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:06,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:06,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:35:06,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:06,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:35:06,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:06,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:06,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:06,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:06,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:06,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:35:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:06,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:06,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:06,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 15:35:06,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:06,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 15:35:06,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:06,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 15:35:06,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:35:07,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122280265] [2020-10-27 15:35:07,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:07,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 15:35:07,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348434962] [2020-10-27 15:35:07,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 15:35:07,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:07,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 15:35:07,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-27 15:35:07,083 INFO L87 Difference]: Start difference. First operand 752 states and 1030 transitions. Second operand 14 states. [2020-10-27 15:35:07,866 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-10-27 15:35:08,500 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 112 [2020-10-27 15:35:09,220 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2020-10-27 15:35:09,893 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2020-10-27 15:35:10,622 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2020-10-27 15:35:11,322 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 15:35:11,708 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 15:35:12,134 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 15:35:12,597 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 15:35:13,537 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2020-10-27 15:35:14,475 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 116 [2020-10-27 15:35:15,333 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2020-10-27 15:35:15,716 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 15:35:16,205 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 15:35:16,676 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 15:35:16,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:16,901 INFO L93 Difference]: Finished difference Result 1562 states and 2247 transitions. [2020-10-27 15:35:16,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 15:35:16,903 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 152 [2020-10-27 15:35:16,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:16,909 INFO L225 Difference]: With dead ends: 1562 [2020-10-27 15:35:16,909 INFO L226 Difference]: Without dead ends: 876 [2020-10-27 15:35:16,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=281, Invalid=649, Unknown=0, NotChecked=0, Total=930 [2020-10-27 15:35:16,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2020-10-27 15:35:16,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 812. [2020-10-27 15:35:16,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2020-10-27 15:35:16,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1098 transitions. [2020-10-27 15:35:16,949 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1098 transitions. Word has length 152 [2020-10-27 15:35:16,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:16,949 INFO L481 AbstractCegarLoop]: Abstraction has 812 states and 1098 transitions. [2020-10-27 15:35:16,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 15:35:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1098 transitions. [2020-10-27 15:35:16,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-27 15:35:16,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:16,955 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:35:16,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:35:16,955 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:16,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:16,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1213560277, now seen corresponding path program 1 times [2020-10-27 15:35:16,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:16,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51312512] [2020-10-27 15:35:16,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:17,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:17,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:17,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:17,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:19,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:21,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:21,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-27 15:35:21,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:35:21,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 15:35:21,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:35:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-27 15:35:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 15:35:21,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:22,395 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:35:22,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:35:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:22,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:22,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:22,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:35:22,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:22,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:35:22,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:22,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:22,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:22,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:22,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:22,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:35:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:22,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:22,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:22,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:35:22,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:22,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:35:22,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:35:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:35:22,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:22,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:35:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:35:22,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:35:22,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:35:22,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 15:35:22,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:35:22,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 15:35:22,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:35:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:35:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:35:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 15:35:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:35:22,913 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:35:22,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51312512] [2020-10-27 15:35:22,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:35:22,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:35:22,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656682616] [2020-10-27 15:35:22,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:35:22,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:35:22,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:35:22,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:35:22,916 INFO L87 Difference]: Start difference. First operand 812 states and 1098 transitions. Second operand 5 states. [2020-10-27 15:35:24,144 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 15:35:25,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:35:25,058 INFO L93 Difference]: Finished difference Result 1497 states and 2065 transitions. [2020-10-27 15:35:25,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:35:25,059 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2020-10-27 15:35:25,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:35:25,060 INFO L225 Difference]: With dead ends: 1497 [2020-10-27 15:35:25,060 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:35:25,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:35:25,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:35:25,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:35:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:35:25,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:35:25,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-10-27 15:35:25,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:35:25,065 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:35:25,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:35:25,065 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:35:25,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:35:25,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:35:25,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:35:25,598 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 40 [2020-10-27 15:35:25,832 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 63 [2020-10-27 15:35:27,302 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 221 DAG size of output: 86 [2020-10-27 15:35:27,602 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2020-10-27 15:35:27,768 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:35:27,999 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2020-10-27 15:35:28,003 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:35:28,004 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:35:28,004 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:35:28,004 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:35:28,004 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:35:28,005 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#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)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-27 15:35:28,005 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:35:28,005 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,005 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,005 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,006 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,006 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,006 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,006 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-27 15:35:28,006 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-27 15:35:28,006 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-27 15:35:28,007 INFO L270 CegarLoopResult]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (not (= ~a12~0 8)))) (and (or (not (<= |old(~a16~0)| 6)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a21~0)| 1)) (not (<= 1 |old(~a21~0)|)) (not (<= |old(~a8~0)| 13)) (not (<= 13 |old(~a8~0)|)) (not (<= 1 |old(~a20~0)|)) .cse0 (not (<= |old(~a20~0)| 1))) (or (= |old(~a20~0)| 1) (not (= 6 |old(~a16~0)|)) (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6))) (not (= 15 |old(~a8~0)|)) (not (= |old(~a21~0)| 1)) .cse0 (= |old(~a7~0)| 1)) (not (<= |old(~a16~0)| 5)) (= |old(~a17~0)| 1))) [2020-10-27 15:35:28,007 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-27 15:35:28,007 INFO L274 CegarLoopResult]: For program point L499-1(line 499) no Hoare annotation was computed. [2020-10-27 15:35:28,007 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-27 15:35:28,007 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-27 15:35:28,007 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-27 15:35:28,007 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-27 15:35:28,007 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-27 15:35:28,007 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-27 15:35:28,007 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-27 15:35:28,008 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,008 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,008 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,008 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,008 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,008 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,008 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-27 15:35:28,008 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-27 15:35:28,008 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,009 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,010 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-27 15:35:28,010 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-27 15:35:28,010 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-27 15:35:28,010 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-27 15:35:28,010 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-27 15:35:28,010 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-27 15:35:28,010 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-27 15:35:28,010 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-27 15:35:28,010 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-27 15:35:28,010 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-27 15:35:28,010 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-27 15:35:28,010 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-27 15:35:28,011 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-27 15:35:28,011 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-27 15:35:28,011 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-27 15:35:28,011 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,011 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,011 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,011 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,011 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,011 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-27 15:35:28,011 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-27 15:35:28,011 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-27 15:35:28,012 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-27 15:35:28,012 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-27 15:35:28,012 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-27 15:35:28,012 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-27 15:35:28,012 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-27 15:35:28,012 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-27 15:35:28,012 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,012 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,012 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,012 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,013 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,013 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-27 15:35:28,013 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-27 15:35:28,013 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-27 15:35:28,013 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-27 15:35:28,013 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-27 15:35:28,013 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-27 15:35:28,013 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-27 15:35:28,013 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-27 15:35:28,013 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-27 15:35:28,013 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-27 15:35:28,013 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-27 15:35:28,014 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-27 15:35:28,015 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-27 15:35:28,015 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-27 15:35:28,015 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-27 15:35:28,015 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-27 15:35:28,015 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,015 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,015 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,015 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,015 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-27 15:35:28,016 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,016 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-27 15:35:28,016 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-27 15:35:28,016 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-27 15:35:28,016 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-27 15:35:28,016 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-27 15:35:28,016 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-27 15:35:28,016 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-27 15:35:28,016 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-27 15:35:28,016 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-27 15:35:28,016 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-27 15:35:28,016 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-27 15:35:28,017 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-27 15:35:28,017 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-27 15:35:28,017 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,017 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,017 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,017 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,017 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,017 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-27 15:35:28,017 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-27 15:35:28,017 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-27 15:35:28,017 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-27 15:35:28,017 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-27 15:35:28,018 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-27 15:35:28,018 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-27 15:35:28,018 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-27 15:35:28,018 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,018 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,018 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse0 (= ~a7~0 |old(~a7~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a20~0 |old(~a20~0)|)) (.cse3 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse4 (not (= ~a12~0 8))) (.cse6 (and .cse0 .cse1 (= ~a21~0 |old(~a21~0)|) .cse2 .cse3 .cse5))) (and (or (= |old(~a20~0)| 1) (not (= 6 |old(~a16~0)|)) (and .cse0 .cse1 (= ~a21~0 1) .cse2 .cse3 (= ~a8~0 15)) (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6))) (not (= 15 |old(~a8~0)|)) (not (= |old(~a21~0)| 1)) .cse4 (= |old(~a7~0)| 1)) (or (not (<= |old(~a16~0)| 6)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a21~0)| 1)) (not (<= 1 |old(~a21~0)|)) (not (<= |old(~a8~0)| 13)) (and .cse0 .cse1 .cse2 .cse3 .cse5 (<= ~a21~0 1) (<= 1 ~a21~0)) (not (<= 13 |old(~a8~0)|)) (not (<= 1 |old(~a20~0)|)) .cse4 (not (<= |old(~a20~0)| 1))) (or (= |old(~a17~0)| 1) .cse6) (or (not (<= |old(~a16~0)| 5)) .cse6)))) [2020-10-27 15:35:28,018 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,018 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,019 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,019 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-27 15:35:28,019 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-27 15:35:28,019 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-27 15:35:28,019 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-27 15:35:28,019 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-27 15:35:28,019 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-27 15:35:28,019 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-27 15:35:28,019 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-27 15:35:28,019 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-27 15:35:28,019 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-27 15:35:28,019 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-27 15:35:28,020 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,020 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,020 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,020 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,020 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-27 15:35:28,020 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,020 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,020 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-27 15:35:28,020 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-27 15:35:28,020 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,021 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-27 15:35:28,022 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-27 15:35:28,023 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-27 15:35:28,023 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-27 15:35:28,023 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-27 15:35:28,023 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-27 15:35:28,023 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:35:28,023 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a12~0 8) (= ~a8~0 15) (= ~a20~0 1) (= 5 ~a16~0) (= ~a7~0 0) (= ~a17~0 1)) [2020-10-27 15:35:28,023 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:35:28,023 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:35:28,023 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 15) (= 5 ~a16~0) (= ~a7~0 0)) (not (= |old(~a17~0)| 1)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a21~0)| 1)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0))) [2020-10-27 15:35:28,023 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:35:28,023 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (<= ~a16~0 5) (not (= ~a17~0 1)) (and (= ~a21~0 1) (= ~a16~0 6) (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1) (= 2 main_~input~0)) (= ~a8~0 15) (not (= ~a7~0 1)) (not (= ~a20~0 1))) (not (= |old(~a20~0)| 1)) (and (<= ~a16~0 6) (<= 13 ~a8~0) (<= 1 ~a20~0) (<= ~a7~0 0) (<= ~a21~0 1) (<= ~a20~0 1) (<= 1 ~a21~0) (<= ~a8~0 13)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a21~0)| 1)) (not (= 15 |old(~a8~0)|)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0))) [2020-10-27 15:35:28,024 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-27 15:35:28,024 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-27 15:35:28,024 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (and (= ~a21~0 1) (= ~a16~0 6) (= ~a8~0 15) (not (= ~a7~0 1)) (not (= ~a20~0 1))) (<= ~a16~0 5) (not (= ~a17~0 1)) (not (= |old(~a20~0)| 1)) (and (<= ~a16~0 6) (<= 13 ~a8~0) (<= 1 ~a20~0) (<= ~a7~0 0) (<= ~a21~0 1) (<= ~a20~0 1) (<= 1 ~a21~0) (<= ~a8~0 13)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a21~0)| 1)) (not (= 15 |old(~a8~0)|)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0))) [2020-10-27 15:35:28,024 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:35:28,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:35:28 BoogieIcfgContainer [2020-10-27 15:35:28,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:35:28,054 INFO L168 Benchmark]: Toolchain (without parser) took 57615.16 ms. Allocated memory was 151.0 MB in the beginning and 615.5 MB in the end (delta: 464.5 MB). Free memory was 124.6 MB in the beginning and 345.1 MB in the end (delta: -220.5 MB). Peak memory consumption was 367.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:35:28,056 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:35:28,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.57 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 129.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. [2020-10-27 15:35:28,057 INFO L168 Benchmark]: Boogie Preprocessor took 136.20 ms. Allocated memory is still 151.0 MB. Free memory was 129.4 MB in the beginning and 124.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:35:28,061 INFO L168 Benchmark]: RCFGBuilder took 1739.87 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 102.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-10-27 15:35:28,065 INFO L168 Benchmark]: TraceAbstraction took 54922.74 ms. Allocated memory was 151.0 MB in the beginning and 615.5 MB in the end (delta: 464.5 MB). Free memory was 101.8 MB in the beginning and 345.1 MB in the end (delta: -243.3 MB). Peak memory consumption was 343.3 MB. Max. memory is 8.0 GB. [2020-10-27 15:35:28,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 801.57 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 129.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 136.20 ms. Allocated memory is still 151.0 MB. Free memory was 129.4 MB in the beginning and 124.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1739.87 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 102.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 54922.74 ms. Allocated memory was 151.0 MB in the beginning and 615.5 MB in the end (delta: 464.5 MB). Free memory was 101.8 MB in the beginning and 345.1 MB in the end (delta: -243.3 MB). Peak memory consumption was 343.3 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: 585]: Loop Invariant Derived loop invariant: (((((((((!(\old(a17) == 1) || ((((a21 == 1 && a16 == 6) && a8 == 15) && !(a7 == 1)) && !(a20 == 1))) || a16 <= 5) || !(a17 == 1)) || !(\old(a20) == 1)) || (((((((a16 <= 6 && 13 <= a8) && 1 <= a20) && a7 <= 0) && a21 <= 1) && a20 <= 1) && 1 <= a21) && a8 <= 13)) || !(5 == \old(a16))) || !(\old(a21) == 1)) || !(15 == \old(a8))) || !(a12 == 8)) || !(\old(a7) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 51.8s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 26.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 120 SDtfs, 1985 SDslu, 137 SDs, 0 SdLazy, 4329 SolverSat, 456 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=812occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 203 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 55 PreInvPairs, 69 NumberOfFragments, 604 HoareAnnotationTreeSize, 55 FomulaSimplifications, 609 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1371 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 713 NumberOfCodeBlocks, 713 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 708 ConstructedInterpolants, 0 QuantifiedInterpolants, 1391331 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 139/146 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...