/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 20:39:18,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 20:39:18,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 20:39:18,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 20:39:18,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 20:39:18,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 20:39:18,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 20:39:18,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 20:39:18,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 20:39:18,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 20:39:18,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 20:39:18,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 20:39:18,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 20:39:18,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 20:39:18,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 20:39:18,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 20:39:18,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 20:39:18,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 20:39:18,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 20:39:18,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 20:39:18,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 20:39:18,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 20:39:18,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 20:39:18,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 20:39:18,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 20:39:18,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 20:39:18,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 20:39:18,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 20:39:18,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 20:39:18,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 20:39:18,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 20:39:18,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 20:39:18,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 20:39:18,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 20:39:18,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 20:39:18,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 20:39:18,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 20:39:18,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 20:39:18,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 20:39:18,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 20:39:18,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 20:39:18,725 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 [2020-10-26 20:39:18,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 20:39:18,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 20:39:18,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 20:39:18,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 20:39:18,790 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 20:39:18,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 20:39:18,791 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 20:39:18,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 20:39:18,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 20:39:18,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 20:39:18,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 20:39:18,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 20:39:18,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 20:39:18,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 20:39:18,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 20:39:18,793 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 20:39:18,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 20:39:18,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 20:39:18,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 20:39:18,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 20:39:18,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 20:39:18,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 20:39:18,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 20:39:18,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 20:39:18,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 20:39:18,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 20:39:18,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 20:39:18,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 20:39:18,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 20:39:18,796 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 20:39:19,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 20:39:19,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 20:39:19,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 20:39:19,246 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 20:39:19,247 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 20:39:19,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label38.c [2020-10-26 20:39:19,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60c01ece4/67cca784647a49d98745629c059e722d/FLAG8860b9b18 [2020-10-26 20:39:20,232 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 20:39:20,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label38.c [2020-10-26 20:39:20,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60c01ece4/67cca784647a49d98745629c059e722d/FLAG8860b9b18 [2020-10-26 20:39:20,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60c01ece4/67cca784647a49d98745629c059e722d [2020-10-26 20:39:20,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 20:39:20,476 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 20:39:20,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 20:39:20,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 20:39:20,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 20:39:20,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:39:20" (1/1) ... [2020-10-26 20:39:20,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e7185a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:20, skipping insertion in model container [2020-10-26 20:39:20,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:39:20" (1/1) ... [2020-10-26 20:39:20,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 20:39:20,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 20:39:20,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:39:20,978 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 20:39:21,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:39:21,172 INFO L208 MainTranslator]: Completed translation [2020-10-26 20:39:21,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:21 WrapperNode [2020-10-26 20:39:21,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 20:39:21,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 20:39:21,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 20:39:21,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 20:39:21,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:21" (1/1) ... [2020-10-26 20:39:21,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:21" (1/1) ... [2020-10-26 20:39:21,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:21" (1/1) ... [2020-10-26 20:39:21,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:21" (1/1) ... [2020-10-26 20:39:21,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:21" (1/1) ... [2020-10-26 20:39:21,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:21" (1/1) ... [2020-10-26 20:39:21,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:21" (1/1) ... [2020-10-26 20:39:21,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 20:39:21,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 20:39:21,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 20:39:21,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 20:39:21,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:21" (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 [2020-10-26 20:39:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 20:39:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 20:39:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 20:39:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 20:39:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 20:39:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 20:39:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 20:39:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 20:39:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 20:39:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 20:39:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 20:39:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 20:39:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 20:39:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 20:39:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 20:39:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 20:39:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 20:39:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 20:39:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 20:39:22,806 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 20:39:22,806 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 20:39:22,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:39:22 BoogieIcfgContainer [2020-10-26 20:39:22,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 20:39:22,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 20:39:22,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 20:39:22,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 20:39:22,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:39:20" (1/3) ... [2020-10-26 20:39:22,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7d9089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:39:22, skipping insertion in model container [2020-10-26 20:39:22,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:21" (2/3) ... [2020-10-26 20:39:22,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7d9089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:39:22, skipping insertion in model container [2020-10-26 20:39:22,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:39:22" (3/3) ... [2020-10-26 20:39:22,823 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label38.c [2020-10-26 20:39:22,835 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 20:39:22,841 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 20:39:22,856 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 20:39:22,895 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 20:39:22,895 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 20:39:22,896 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 20:39:22,896 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 20:39:22,896 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 20:39:22,896 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 20:39:22,896 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 20:39:22,896 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 20:39:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-26 20:39:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-26 20:39:22,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:22,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:22,936 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:22,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:22,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1559509933, now seen corresponding path program 1 times [2020-10-26 20:39:22,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:22,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977106198] [2020-10-26 20:39:22,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:23,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:23,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:25,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:25,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-26 20:39:25,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:39:25,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2438 [2020-10-26 20:39:25,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:25,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-26 20:39:25,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:39:25,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-26 20:39:25,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 20:39:26,443 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-10-26 20:39:26,642 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2020-10-26 20:39:26,901 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2020-10-26 20:39:27,157 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 41 [2020-10-26 20:39:27,374 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 36 [2020-10-26 20:39:27,558 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 31 [2020-10-26 20:39:27,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:27,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:27,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:27,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:27,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:27,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-26 20:39:27,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:27,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:27,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:27,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:39:27,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:39:27,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977106198] [2020-10-26 20:39:27,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:39:27,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-26 20:39:27,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30770808] [2020-10-26 20:39:27,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-26 20:39:27,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:27,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-26 20:39:27,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:39:27,963 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 11 states. [2020-10-26 20:39:28,173 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-26 20:39:28,367 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-26 20:39:28,764 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 115 [2020-10-26 20:39:29,277 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2020-10-26 20:39:29,855 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 129 [2020-10-26 20:39:30,406 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2020-10-26 20:39:31,440 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 122 [2020-10-26 20:39:32,348 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2020-10-26 20:39:32,764 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-26 20:39:34,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:34,173 INFO L93 Difference]: Finished difference Result 541 states and 898 transitions. [2020-10-26 20:39:34,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-26 20:39:34,180 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 138 [2020-10-26 20:39:34,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:34,207 INFO L225 Difference]: With dead ends: 541 [2020-10-26 20:39:34,208 INFO L226 Difference]: Without dead ends: 237 [2020-10-26 20:39:34,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2020-10-26 20:39:34,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-26 20:39:34,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-26 20:39:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-26 20:39:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 324 transitions. [2020-10-26 20:39:34,343 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 324 transitions. Word has length 138 [2020-10-26 20:39:34,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:34,346 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 324 transitions. [2020-10-26 20:39:34,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-26 20:39:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 324 transitions. [2020-10-26 20:39:34,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-26 20:39:34,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:34,363 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:34,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 20:39:34,364 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:34,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:34,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1020786420, now seen corresponding path program 1 times [2020-10-26 20:39:34,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:34,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375503033] [2020-10-26 20:39:34,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:34,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:34,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:34,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:36,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:36,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-26 20:39:36,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:39:36,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2142 [2020-10-26 20:39:36,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:36,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:39:36,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:39:36,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-26 20:39:36,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:39:36,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:36,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:36,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:36,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:36,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:36,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-26 20:39:36,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:36,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:39:36,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:36,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:36,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:36,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:36,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:36,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:39:36,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:39:36,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-26 20:39:36,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:39:36,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 20:39:36,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375503033] [2020-10-26 20:39:36,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:36,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 20:39:36,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452818975] [2020-10-26 20:39:37,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 20:39:37,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:37,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 20:39:37,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 20:39:37,006 INFO L87 Difference]: Start difference. First operand 234 states and 324 transitions. Second operand 6 states. [2020-10-26 20:39:38,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:38,657 INFO L93 Difference]: Finished difference Result 618 states and 888 transitions. [2020-10-26 20:39:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 20:39:38,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2020-10-26 20:39:38,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:38,669 INFO L225 Difference]: With dead ends: 618 [2020-10-26 20:39:38,669 INFO L226 Difference]: Without dead ends: 390 [2020-10-26 20:39:38,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:39:38,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2020-10-26 20:39:38,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 381. [2020-10-26 20:39:38,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-10-26 20:39:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 549 transitions. [2020-10-26 20:39:38,710 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 549 transitions. Word has length 147 [2020-10-26 20:39:38,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:38,711 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 549 transitions. [2020-10-26 20:39:38,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 20:39:38,711 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 549 transitions. [2020-10-26 20:39:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-26 20:39:38,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:38,714 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:38,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 20:39:38,715 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:38,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:38,715 INFO L82 PathProgramCache]: Analyzing trace with hash 2033141409, now seen corresponding path program 1 times [2020-10-26 20:39:38,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:38,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617391471] [2020-10-26 20:39:38,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:38,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:38,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:38,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:40,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:41,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:41,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:41,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:41,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-26 20:39:41,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-26 20:39:41,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3191 [2020-10-26 20:39:41,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-26 20:39:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:39:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-26 20:39:41,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:42,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:42,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:42,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:42,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:42,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:42,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 20:39:42,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:42,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:42,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:39:42,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:42,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:42,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:42,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:42,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:42,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:39:42,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:39:42,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 20:39:42,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:42,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:42,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:42,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:39:42,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:39:42,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:39:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:42,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:42,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:42,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:42,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-26 20:39:42,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:39:42,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-26 20:39:42,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:42,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-26 20:39:42,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-26 20:39:42,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617391471] [2020-10-26 20:39:42,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:42,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 20:39:42,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591332300] [2020-10-26 20:39:42,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:39:42,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:42,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:39:42,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:39:42,318 INFO L87 Difference]: Start difference. First operand 381 states and 549 transitions. Second operand 7 states. [2020-10-26 20:39:43,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:43,983 INFO L93 Difference]: Finished difference Result 1079 states and 1624 transitions. [2020-10-26 20:39:43,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 20:39:43,984 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2020-10-26 20:39:43,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:43,991 INFO L225 Difference]: With dead ends: 1079 [2020-10-26 20:39:43,991 INFO L226 Difference]: Without dead ends: 704 [2020-10-26 20:39:43,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-10-26 20:39:43,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2020-10-26 20:39:44,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 683. [2020-10-26 20:39:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2020-10-26 20:39:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 968 transitions. [2020-10-26 20:39:44,053 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 968 transitions. Word has length 162 [2020-10-26 20:39:44,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:44,055 INFO L481 AbstractCegarLoop]: Abstraction has 683 states and 968 transitions. [2020-10-26 20:39:44,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:39:44,055 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 968 transitions. [2020-10-26 20:39:44,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-26 20:39:44,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:44,059 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:44,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 20:39:44,060 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:44,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:44,060 INFO L82 PathProgramCache]: Analyzing trace with hash 532855069, now seen corresponding path program 1 times [2020-10-26 20:39:44,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:44,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1269908296] [2020-10-26 20:39:44,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:44,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:44,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:44,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:45,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:46,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:46,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-26 20:39:46,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:39:46,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2382 [2020-10-26 20:39:46,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:39:46,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:39:46,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-26 20:39:46,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:46,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:46,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:46,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:46,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:46,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:46,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 20:39:46,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:46,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:46,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:46,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:39:46,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:46,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:46,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:46,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:46,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:39:46,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:46,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 20:39:46,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:46,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:46,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:46,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:39:46,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:46,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:39:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:46,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:46,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:46,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:39:46,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:46,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-26 20:39:46,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:46,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:46,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-26 20:39:46,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:46,873 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-26 20:39:46,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1269908296] [2020-10-26 20:39:46,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:46,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:39:46,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527027064] [2020-10-26 20:39:46,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:39:46,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:46,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:39:46,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:39:46,877 INFO L87 Difference]: Start difference. First operand 683 states and 968 transitions. Second operand 8 states. [2020-10-26 20:39:47,036 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:39:48,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:48,937 INFO L93 Difference]: Finished difference Result 2003 states and 2967 transitions. [2020-10-26 20:39:48,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:39:48,937 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 169 [2020-10-26 20:39:48,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:48,947 INFO L225 Difference]: With dead ends: 2003 [2020-10-26 20:39:48,948 INFO L226 Difference]: Without dead ends: 1326 [2020-10-26 20:39:48,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:39:48,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2020-10-26 20:39:49,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1299. [2020-10-26 20:39:49,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1299 states. [2020-10-26 20:39:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1881 transitions. [2020-10-26 20:39:49,040 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1881 transitions. Word has length 169 [2020-10-26 20:39:49,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:49,040 INFO L481 AbstractCegarLoop]: Abstraction has 1299 states and 1881 transitions. [2020-10-26 20:39:49,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:39:49,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1881 transitions. [2020-10-26 20:39:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-26 20:39:49,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:49,049 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:49,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 20:39:49,050 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:49,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:49,050 INFO L82 PathProgramCache]: Analyzing trace with hash 2078407253, now seen corresponding path program 1 times [2020-10-26 20:39:49,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:49,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1517742930] [2020-10-26 20:39:49,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:49,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:49,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:49,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:49,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-26 20:39:49,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:39:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-26 20:39:49,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-26 20:39:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-26 20:39:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:49,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:49,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:49,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:49,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:49,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:49,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-26 20:39:49,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:49,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:49,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:49,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:49,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:49,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:49,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:39:49,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:49,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 20:39:49,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:49,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:39:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:49,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:49,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:49,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:39:49,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:49,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-26 20:39:49,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:49,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 20:39:49,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:39:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-26 20:39:49,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1517742930] [2020-10-26 20:39:49,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:49,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 20:39:49,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176202054] [2020-10-26 20:39:49,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 20:39:49,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:49,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 20:39:49,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 20:39:49,808 INFO L87 Difference]: Start difference. First operand 1299 states and 1881 transitions. Second operand 5 states. [2020-10-26 20:39:51,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:51,577 INFO L93 Difference]: Finished difference Result 3632 states and 5405 transitions. [2020-10-26 20:39:51,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 20:39:51,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2020-10-26 20:39:51,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:51,593 INFO L225 Difference]: With dead ends: 3632 [2020-10-26 20:39:51,593 INFO L226 Difference]: Without dead ends: 2339 [2020-10-26 20:39:51,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 20:39:51,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2339 states. [2020-10-26 20:39:51,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2339 to 1454. [2020-10-26 20:39:51,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1454 states. [2020-10-26 20:39:51,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2005 transitions. [2020-10-26 20:39:51,686 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2005 transitions. Word has length 173 [2020-10-26 20:39:51,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:51,687 INFO L481 AbstractCegarLoop]: Abstraction has 1454 states and 2005 transitions. [2020-10-26 20:39:51,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 20:39:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2005 transitions. [2020-10-26 20:39:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-26 20:39:51,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:51,695 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 20:39:51,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 20:39:51,695 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:51,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:51,696 INFO L82 PathProgramCache]: Analyzing trace with hash -145234425, now seen corresponding path program 1 times [2020-10-26 20:39:51,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:51,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293814923] [2020-10-26 20:39:51,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:51,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:51,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:52,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:52,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:52,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:54,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:55,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:55,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-26 20:39:55,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-26 20:39:55,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3350 [2020-10-26 20:39:55,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:39:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:39:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 20:39:55,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:55,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:55,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:55,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:55,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:55,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:55,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 20:39:55,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:39:55,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:55,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:55,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:55,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:55,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:55,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:39:55,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:39:55,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 20:39:55,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:55,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:55,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:55,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:39:55,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:55,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:39:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:55,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:55,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:55,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-26 20:39:55,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:55,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-26 20:39:55,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:55,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:55,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:55,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-26 20:39:55,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-26 20:39:55,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293814923] [2020-10-26 20:39:55,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:55,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:39:55,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106202331] [2020-10-26 20:39:55,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:39:55,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:55,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:39:55,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:39:55,438 INFO L87 Difference]: Start difference. First operand 1454 states and 2005 transitions. Second operand 8 states. [2020-10-26 20:39:56,665 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:39:57,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:57,511 INFO L93 Difference]: Finished difference Result 3237 states and 4550 transitions. [2020-10-26 20:39:57,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:39:57,512 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2020-10-26 20:39:57,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:57,522 INFO L225 Difference]: With dead ends: 3237 [2020-10-26 20:39:57,522 INFO L226 Difference]: Without dead ends: 1469 [2020-10-26 20:39:57,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-26 20:39:57,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2020-10-26 20:39:57,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1443. [2020-10-26 20:39:57,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1443 states. [2020-10-26 20:39:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1820 transitions. [2020-10-26 20:39:57,588 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1820 transitions. Word has length 205 [2020-10-26 20:39:57,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:57,589 INFO L481 AbstractCegarLoop]: Abstraction has 1443 states and 1820 transitions. [2020-10-26 20:39:57,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:39:57,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1820 transitions. [2020-10-26 20:39:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-26 20:39:57,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:57,597 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:57,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 20:39:57,597 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:57,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:57,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1872102896, now seen corresponding path program 1 times [2020-10-26 20:39:57,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:57,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466049545] [2020-10-26 20:39:57,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:57,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:57,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:57,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:58,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:58,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:58,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:59,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:01,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:01,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-26 20:40:01,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-26 20:40:01,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3521 [2020-10-26 20:40:01,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 20:40:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:40:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-26 20:40:01,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:01,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:01,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:01,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:01,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:01,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:01,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 20:40:01,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:01,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:01,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:01,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:40:01,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:01,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:01,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:01,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:01,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:01,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:40:01,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:01,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-26 20:40:01,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:01,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-26 20:40:01,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:01,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:40:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:01,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:01,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:01,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:01,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:40:01,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:01,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-26 20:40:01,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:01,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:01,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:01,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 20:40:01,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:01,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-26 20:40:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:01,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:01,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:01,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:01,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-26 20:40:01,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:01,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-26 20:40:01,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:01,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-26 20:40:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-26 20:40:01,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:02,069 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-26 20:40:02,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466049545] [2020-10-26 20:40:02,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:02,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:40:02,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148032586] [2020-10-26 20:40:02,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:40:02,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:02,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:40:02,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:40:02,073 INFO L87 Difference]: Start difference. First operand 1443 states and 1820 transitions. Second operand 7 states. [2020-10-26 20:40:03,162 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-26 20:40:03,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:03,898 INFO L93 Difference]: Finished difference Result 2840 states and 3601 transitions. [2020-10-26 20:40:03,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 20:40:03,901 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-26 20:40:03,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:03,902 INFO L225 Difference]: With dead ends: 2840 [2020-10-26 20:40:03,903 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 20:40:03,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-26 20:40:03,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 20:40:03,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 20:40:03,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 20:40:03,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 20:40:03,910 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 231 [2020-10-26 20:40:03,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:03,911 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 20:40:03,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:40:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 20:40:03,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 20:40:03,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 20:40:03,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 20:40:04,462 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 39 [2020-10-26 20:40:04,706 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 39 [2020-10-26 20:40:04,906 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 37 [2020-10-26 20:40:05,665 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 65 [2020-10-26 20:40:05,875 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-10-26 20:40:05,993 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-10-26 20:40:06,147 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 42 [2020-10-26 20:40:06,151 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 20:40:06,152 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 20:40:06,152 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 20:40:06,152 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 20:40:06,152 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:40:06,153 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-26 20:40:06,153 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:40:06,153 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-26 20:40:06,153 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-26 20:40:06,153 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-26 20:40:06,154 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-26 20:40:06,154 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-26 20:40:06,154 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-26 20:40:06,154 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-26 20:40:06,154 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:40:06,154 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-26 20:40:06,155 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:40:06,155 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-26 20:40:06,155 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:40:06,155 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:40:06,155 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-26 20:40:06,155 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-26 20:40:06,155 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,155 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,155 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,155 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,155 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,155 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-26 20:40:06,156 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-26 20:40:06,156 INFO L270 CegarLoopResult]: At program point L567(line 567) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a11~0)| 1))) (.cse0 (not (= 8 |old(~a17~0)|))) (.cse3 (not (<= 1 |old(~a11~0)|))) (.cse1 (not (= ~a21~0 1)))) (and (or .cse0 .cse1) (or (not (<= 7 |old(~a17~0)|)) (not (<= |old(~a17~0)| 7)) (not (= 0 |old(~a25~0)|)) (not (<= |old(~a28~0)| 9)) .cse1 (not (<= |old(~a19~0)| 0)) (not (<= |old(~a11~0)| 0)) (not (<= 9 |old(~a28~0)|))) (or .cse2 .cse1 .cse3) (or .cse2 .cse0 .cse3) (or (not (= |old(~a19~0)| 1)) .cse1))) [2020-10-26 20:40:06,156 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-26 20:40:06,156 INFO L274 CegarLoopResult]: For program point L567-1(line 567) no Hoare annotation was computed. [2020-10-26 20:40:06,156 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-26 20:40:06,156 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-26 20:40:06,156 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-26 20:40:06,156 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-26 20:40:06,157 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-26 20:40:06,157 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-26 20:40:06,157 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:40:06,157 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:40:06,157 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-26 20:40:06,157 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,157 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,157 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,157 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,158 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-26 20:40:06,158 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,158 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-26 20:40:06,158 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-26 20:40:06,158 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-26 20:40:06,158 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-26 20:40:06,158 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-26 20:40:06,158 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-26 20:40:06,159 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-26 20:40:06,159 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:40:06,159 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:40:06,159 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-26 20:40:06,159 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-26 20:40:06,159 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-26 20:40:06,159 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:40:06,159 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:40:06,159 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-26 20:40:06,159 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,160 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,160 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,160 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,160 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,160 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:40:06,160 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-26 20:40:06,160 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:40:06,160 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-26 20:40:06,160 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-26 20:40:06,161 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-26 20:40:06,161 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-26 20:40:06,161 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-26 20:40:06,161 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-26 20:40:06,161 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-26 20:40:06,161 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-26 20:40:06,161 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,161 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,161 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,162 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,162 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,162 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-26 20:40:06,162 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-26 20:40:06,162 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-26 20:40:06,162 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-26 20:40:06,162 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-26 20:40:06,162 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-26 20:40:06,162 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-26 20:40:06,162 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-26 20:40:06,163 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-26 20:40:06,163 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-26 20:40:06,163 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-26 20:40:06,163 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-26 20:40:06,163 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-26 20:40:06,163 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,163 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,163 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,163 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,163 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,164 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-26 20:40:06,164 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-26 20:40:06,164 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-26 20:40:06,164 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-26 20:40:06,164 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-26 20:40:06,164 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-26 20:40:06,164 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-26 20:40:06,164 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-26 20:40:06,164 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-26 20:40:06,164 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,165 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,165 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-26 20:40:06,165 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-26 20:40:06,165 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-26 20:40:06,165 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-26 20:40:06,165 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:40:06,165 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-26 20:40:06,165 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:40:06,165 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,165 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,165 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,166 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,166 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-26 20:40:06,166 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,166 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:40:06,166 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,166 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:40:06,166 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:40:06,166 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:40:06,166 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-26 20:40:06,166 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-26 20:40:06,167 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-26 20:40:06,167 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-26 20:40:06,167 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-26 20:40:06,167 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-26 20:40:06,167 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-26 20:40:06,167 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-26 20:40:06,167 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-26 20:40:06,167 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-26 20:40:06,167 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-26 20:40:06,167 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,168 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,168 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,168 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,168 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,168 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,168 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-26 20:40:06,168 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-26 20:40:06,168 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-26 20:40:06,168 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-26 20:40:06,168 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-26 20:40:06,169 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-26 20:40:06,169 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-26 20:40:06,169 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-26 20:40:06,169 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-26 20:40:06,169 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-26 20:40:06,169 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-26 20:40:06,169 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,169 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,171 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,171 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,171 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,171 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,172 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-26 20:40:06,172 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-26 20:40:06,172 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-26 20:40:06,172 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-26 20:40:06,172 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-26 20:40:06,172 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-26 20:40:06,172 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-26 20:40:06,173 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse3 (= ~a17~0 8)) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse8 (not (<= |old(~a11~0)| 1))) (.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse7 (= ~a17~0 |old(~a17~0)|)) (.cse9 (<= 1 ~a11~0)) (.cse10 (<= ~a11~0 1)) (.cse11 (not (<= 1 |old(~a11~0)|))) (.cse6 (not (= ~a21~0 1))) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or (not (= |old(~a19~0)| 1)) .cse6 (and .cse0 .cse7 .cse1 (= ~a19~0 1) .cse2)) (or .cse8 (and .cse0 .cse9 .cse2 .cse10 .cse3 .cse4) .cse5 .cse11) (or .cse8 (and .cse0 .cse7 .cse9 .cse2 .cse10 .cse4) .cse6 .cse11) (or (not (<= 7 |old(~a17~0)|)) (not (<= |old(~a17~0)| 7)) (not (= 0 |old(~a25~0)|)) (not (<= |old(~a28~0)| 9)) .cse6 (and (<= 7 ~a17~0) .cse1 (<= 9 ~a28~0) .cse2 (<= ~a28~0 9) (<= ~a17~0 7) .cse4) (not (<= |old(~a19~0)| 0)) (not (<= |old(~a11~0)| 0)) (not (<= 9 |old(~a28~0)|))))) [2020-10-26 20:40:06,173 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-26 20:40:06,173 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-26 20:40:06,173 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-26 20:40:06,173 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-26 20:40:06,173 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-26 20:40:06,173 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-26 20:40:06,173 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-26 20:40:06,173 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,174 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,174 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,174 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,174 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,174 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,174 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-26 20:40:06,174 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-26 20:40:06,174 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-26 20:40:06,174 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-26 20:40:06,174 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-26 20:40:06,175 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-26 20:40:06,175 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-26 20:40:06,175 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-26 20:40:06,175 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-26 20:40:06,175 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-26 20:40:06,175 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-26 20:40:06,175 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-26 20:40:06,175 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-26 20:40:06,175 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,175 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,176 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,176 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,176 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,176 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,176 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-26 20:40:06,176 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-26 20:40:06,176 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-26 20:40:06,176 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-26 20:40:06,176 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-26 20:40:06,176 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-26 20:40:06,177 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-26 20:40:06,177 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-26 20:40:06,177 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-26 20:40:06,177 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-26 20:40:06,177 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-26 20:40:06,177 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:40:06,177 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:40:06,177 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-26 20:40:06,177 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-26 20:40:06,177 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-26 20:40:06,178 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,178 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,178 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,178 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,178 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:40:06,178 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-26 20:40:06,178 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-26 20:40:06,178 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-26 20:40:06,178 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-26 20:40:06,179 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:40:06,179 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (<= 7 ~a28~0) (<= 8 ~a17~0) (= ~a11~0 0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-10-26 20:40:06,179 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 20:40:06,179 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:40:06,179 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (<= 1 ~a11~0) (<= ~a11~0 1)) (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (<= 7 |old(~a28~0)|)) (not (= ~a21~0 1)) (and (<= ~a11~0 0) (<= ~a19~0 0) (<= 7 ~a17~0) (<= 9 ~a28~0) (= ~a25~0 0) (<= ~a28~0 9) (<= ~a17~0 7))) [2020-10-26 20:40:06,179 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (<= 7 ~a28~0) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (<= 7 |old(~a28~0)|)) (not (= ~a21~0 1))) [2020-10-26 20:40:06,180 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:40:06,180 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:40:06,180 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (and (<= 1 ~a11~0) (<= ~a11~0 1)) (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (<= 7 |old(~a28~0)|)) (not (= ~a21~0 1)) (and (<= ~a11~0 0) (<= ~a19~0 0) (<= 7 ~a17~0) (<= 9 ~a28~0) (= ~a25~0 0) (<= ~a28~0 9) (<= ~a17~0 7))) [2020-10-26 20:40:06,180 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-26 20:40:06,180 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-26 20:40:06,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:40:06 BoogieIcfgContainer [2020-10-26 20:40:06,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 20:40:06,207 INFO L168 Benchmark]: Toolchain (without parser) took 45736.35 ms. Allocated memory was 156.2 MB in the beginning and 676.3 MB in the end (delta: 520.1 MB). Free memory was 130.9 MB in the beginning and 597.6 MB in the end (delta: -466.6 MB). Peak memory consumption was 402.7 MB. Max. memory is 8.0 GB. [2020-10-26 20:40:06,208 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 125.8 MB. Free memory is still 85.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 20:40:06,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.71 ms. Allocated memory is still 156.2 MB. Free memory was 130.3 MB in the beginning and 104.6 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:40:06,209 INFO L168 Benchmark]: Boogie Preprocessor took 120.89 ms. Allocated memory is still 156.2 MB. Free memory was 104.6 MB in the beginning and 99.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:40:06,210 INFO L168 Benchmark]: RCFGBuilder took 1510.62 ms. Allocated memory is still 156.2 MB. Free memory was 99.8 MB in the beginning and 127.1 MB in the end (delta: -27.3 MB). Peak memory consumption was 52.7 MB. Max. memory is 8.0 GB. [2020-10-26 20:40:06,211 INFO L168 Benchmark]: TraceAbstraction took 43393.00 ms. Allocated memory was 156.2 MB in the beginning and 676.3 MB in the end (delta: 520.1 MB). Free memory was 126.6 MB in the beginning and 597.6 MB in the end (delta: -471.0 MB). Peak memory consumption was 397.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:40:06,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 125.8 MB. Free memory is still 85.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 693.71 ms. Allocated memory is still 156.2 MB. Free memory was 130.3 MB in the beginning and 104.6 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 120.89 ms. Allocated memory is still 156.2 MB. Free memory was 104.6 MB in the beginning and 99.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1510.62 ms. Allocated memory is still 156.2 MB. Free memory was 99.8 MB in the beginning and 127.1 MB in the end (delta: -27.3 MB). Peak memory consumption was 52.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 43393.00 ms. Allocated memory was 156.2 MB in the beginning and 676.3 MB in the end (delta: 520.1 MB). Free memory was 126.6 MB in the beginning and 597.6 MB in the end (delta: -471.0 MB). Peak memory consumption was 397.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((!(\old(a28) <= 7) || (1 <= a11 && a11 <= 1)) || !(\old(a19) == 1)) || a19 == 1) || !(0 == \old(a11))) || a17 == 8) || !(8 == \old(a17))) || !(0 == \old(a25))) || !(7 <= \old(a28))) || !(a21 == 1)) || ((((((a11 <= 0 && a19 <= 0) && 7 <= a17) && 9 <= a28) && a25 == 0) && a28 <= 9) && a17 <= 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.0s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 237 SDtfs, 3473 SDslu, 342 SDs, 0 SdLazy, 6259 SolverSat, 1265 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1454occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 971 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 123 PreInvPairs, 153 NumberOfFragments, 533 HoareAnnotationTreeSize, 123 FomulaSimplifications, 50387 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2162 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 21.7s InterpolantComputationTime, 1225 NumberOfCodeBlocks, 1225 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1218 ConstructedInterpolants, 0 QuantifiedInterpolants, 1619240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 285/307 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...