/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:36:24,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:36:24,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:36:24,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:36:24,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:36:24,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:36:24,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:36:24,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:36:24,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:36:24,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:36:24,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:36:24,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:36:24,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:36:24,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:36:24,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:36:24,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:36:24,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:36:24,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:36:24,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:36:24,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:36:24,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:36:24,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:36:24,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:36:24,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:36:24,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:36:24,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:36:24,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:36:24,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:36:24,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:36:24,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:36:24,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:36:24,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:36:24,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:36:24,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:36:24,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:36:24,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:36:24,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:36:24,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:36:24,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:36:24,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:36:24,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:36:24,521 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:36:24,579 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:36:24,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:36:24,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:36:24,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:36:24,582 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:36:24,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:36:24,583 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:36:24,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:36:24,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:36:24,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:36:24,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:36:24,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:36:24,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:36:24,585 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:36:24,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:36:24,586 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:36:24,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:36:24,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:36:24,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:36:24,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:36:24,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:36:24,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:36:24,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:36:24,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:36:24,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:36:24,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:36:24,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:36:24,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:36:24,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:36:24,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:36:24,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:36:25,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:36:25,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:36:25,020 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:36:25,021 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:36:25,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label15.c [2020-10-27 15:36:25,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4cc1b552c/91322a84933b44ff90fa51b6f88c85c1/FLAG3b4af7819 [2020-10-27 15:36:25,810 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:36:25,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label15.c [2020-10-27 15:36:25,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4cc1b552c/91322a84933b44ff90fa51b6f88c85c1/FLAG3b4af7819 [2020-10-27 15:36:26,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4cc1b552c/91322a84933b44ff90fa51b6f88c85c1 [2020-10-27 15:36:26,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:36:26,068 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:36:26,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:36:26,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:36:26,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:36:26,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:36:26" (1/1) ... [2020-10-27 15:36:26,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4e8fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:26, skipping insertion in model container [2020-10-27 15:36:26,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:36:26" (1/1) ... [2020-10-27 15:36:26,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:36:26,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:36:26,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:36:26,700 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:36:26,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:36:26,894 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:36:26,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:26 WrapperNode [2020-10-27 15:36:26,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:36:26,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:36:26,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:36:26,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:36:26,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:26" (1/1) ... [2020-10-27 15:36:26,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:26" (1/1) ... [2020-10-27 15:36:26,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:26" (1/1) ... [2020-10-27 15:36:26,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:26" (1/1) ... [2020-10-27 15:36:26,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:26" (1/1) ... [2020-10-27 15:36:27,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:26" (1/1) ... [2020-10-27 15:36:27,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:26" (1/1) ... [2020-10-27 15:36:27,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:36:27,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:36:27,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:36:27,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:36:27,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:36:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:36:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:36:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:36:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:36:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:36:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:36:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:36:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:36:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:36:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:36:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:36:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:36:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:36:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:36:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:36:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:36:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:36:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:36:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:36:28,549 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:36:28,550 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:36:28,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:36:28 BoogieIcfgContainer [2020-10-27 15:36:28,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:36:28,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:36:28,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:36:28,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:36:28,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:36:26" (1/3) ... [2020-10-27 15:36:28,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d861cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:36:28, skipping insertion in model container [2020-10-27 15:36:28,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:26" (2/3) ... [2020-10-27 15:36:28,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d861cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:36:28, skipping insertion in model container [2020-10-27 15:36:28,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:36:28" (3/3) ... [2020-10-27 15:36:28,562 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label15.c [2020-10-27 15:36:28,574 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:36:28,580 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:36:28,595 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:36:28,626 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:36:28,627 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:36:28,627 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:36:28,627 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:36:28,627 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:36:28,627 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:36:28,628 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:36:28,628 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:36:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:36:28,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-27 15:36:28,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:28,670 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] [2020-10-27 15:36:28,670 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:28,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:28,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1058073707, now seen corresponding path program 1 times [2020-10-27 15:36:28,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:28,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762237434] [2020-10-27 15:36:28,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:29,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:31,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:31,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 15:36:31,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:36:31,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2241 [2020-10-27 15:36:31,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:31,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 15:36:31,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:36:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 15:36:31,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:36:32,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:32,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:32,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:32,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:32,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:32,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 15:36:32,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:32,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:32,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:32,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:36:32,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:32,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762237434] [2020-10-27 15:36:32,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:36:32,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 15:36:32,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586956697] [2020-10-27 15:36:32,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 15:36:32,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:32,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 15:36:32,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-27 15:36:32,596 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 11 states. [2020-10-27 15:36:32,807 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 15:36:32,999 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 15:36:33,178 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 15:36:33,371 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 15:36:33,776 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2020-10-27 15:36:34,238 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 109 [2020-10-27 15:36:35,108 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2020-10-27 15:36:35,747 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 106 [2020-10-27 15:36:37,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:37,116 INFO L93 Difference]: Finished difference Result 541 states and 898 transitions. [2020-10-27 15:36:37,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 15:36:37,118 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 137 [2020-10-27 15:36:37,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:37,133 INFO L225 Difference]: With dead ends: 541 [2020-10-27 15:36:37,133 INFO L226 Difference]: Without dead ends: 237 [2020-10-27 15:36:37,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-27 15:36:37,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-27 15:36:37,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-27 15:36:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 15:36:37,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 324 transitions. [2020-10-27 15:36:37,210 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 324 transitions. Word has length 137 [2020-10-27 15:36:37,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:37,211 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 324 transitions. [2020-10-27 15:36:37,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 15:36:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 324 transitions. [2020-10-27 15:36:37,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 15:36:37,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:37,216 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] [2020-10-27 15:36:37,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:36:37,217 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:37,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:37,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1972593066, now seen corresponding path program 1 times [2020-10-27 15:36:37,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:37,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399162571] [2020-10-27 15:36:37,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:37,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:37,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:38,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:38,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:38,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-27 15:36:38,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:36:38,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1726 [2020-10-27 15:36:38,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 15:36:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 15:36:38,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 15:36:38,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:39,593 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 33 [2020-10-27 15:36:39,728 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 31 [2020-10-27 15:36:40,037 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2020-10-27 15:36:40,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:40,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:40,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:40,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:40,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:40,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:36:40,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:40,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:40,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:40,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:40,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:40,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:40,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:36:40,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:40,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:36:40,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:40,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:40,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:40,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:36:40,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:40,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:40,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399162571] [2020-10-27 15:36:40,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:40,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 15:36:40,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304242298] [2020-10-27 15:36:40,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:36:40,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:40,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:36:40,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:36:40,457 INFO L87 Difference]: Start difference. First operand 234 states and 324 transitions. Second operand 12 states. [2020-10-27 15:36:40,718 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 15:36:40,912 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 15:36:41,433 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2020-10-27 15:36:42,214 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-27 15:36:42,542 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 115 [2020-10-27 15:36:42,806 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-10-27 15:36:43,161 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2020-10-27 15:36:43,865 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2020-10-27 15:36:44,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:44,714 INFO L93 Difference]: Finished difference Result 551 states and 796 transitions. [2020-10-27 15:36:44,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 15:36:44,714 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 146 [2020-10-27 15:36:44,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:44,718 INFO L225 Difference]: With dead ends: 551 [2020-10-27 15:36:44,718 INFO L226 Difference]: Without dead ends: 237 [2020-10-27 15:36:44,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2020-10-27 15:36:44,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-27 15:36:44,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-27 15:36:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 15:36:44,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 309 transitions. [2020-10-27 15:36:44,741 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 309 transitions. Word has length 146 [2020-10-27 15:36:44,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:44,742 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 309 transitions. [2020-10-27 15:36:44,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:36:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 309 transitions. [2020-10-27 15:36:44,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-27 15:36:44,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:44,745 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2020-10-27 15:36:44,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:36:44,746 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:44,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:44,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1822448670, now seen corresponding path program 1 times [2020-10-27 15:36:44,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:44,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838128022] [2020-10-27 15:36:44,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:44,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:44,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:45,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:46,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:46,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 15:36:46,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:36:46,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1649 [2020-10-27 15:36:46,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:46,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:46,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 15:36:46,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 15:36:46,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:46,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:46,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:46,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:46,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:46,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:46,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:36:46,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:46,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:46,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:46,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:46,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:46,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:36:46,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:46,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:36:46,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:46,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:46,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:46,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 15:36:46,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:46,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838128022] [2020-10-27 15:36:46,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:46,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:46,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161002515] [2020-10-27 15:36:46,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:46,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:46,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:46,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:46,718 INFO L87 Difference]: Start difference. First operand 234 states and 309 transitions. Second operand 5 states. [2020-10-27 15:36:48,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:48,230 INFO L93 Difference]: Finished difference Result 612 states and 831 transitions. [2020-10-27 15:36:48,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:48,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-10-27 15:36:48,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:48,238 INFO L225 Difference]: With dead ends: 612 [2020-10-27 15:36:48,238 INFO L226 Difference]: Without dead ends: 384 [2020-10-27 15:36:48,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:48,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-10-27 15:36:48,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 381. [2020-10-27 15:36:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-10-27 15:36:48,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 504 transitions. [2020-10-27 15:36:48,269 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 504 transitions. Word has length 150 [2020-10-27 15:36:48,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:48,270 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 504 transitions. [2020-10-27 15:36:48,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:48,270 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 504 transitions. [2020-10-27 15:36:48,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-27 15:36:48,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:48,275 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] [2020-10-27 15:36:48,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:36:48,276 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:48,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:48,276 INFO L82 PathProgramCache]: Analyzing trace with hash -210051091, now seen corresponding path program 1 times [2020-10-27 15:36:48,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:48,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333872116] [2020-10-27 15:36:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:48,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:48,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:48,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:48,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 15:36:48,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:36:48,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-27 15:36:48,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:48,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:48,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 15:36:48,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 15:36:48,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:48,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:48,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:48,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:48,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:48,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:48,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:36:48,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:48,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:48,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:48,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:48,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:48,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:48,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:48,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:48,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:36:48,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:48,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:36:48,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:48,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:48,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:48,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:48,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:36:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:48,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:48,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:48,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:36:48,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:48,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 15:36:48,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:48,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 15:36:48,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:49,002 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 15:36:49,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333872116] [2020-10-27 15:36:49,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:49,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:49,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128284295] [2020-10-27 15:36:49,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:49,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:49,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:49,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:49,007 INFO L87 Difference]: Start difference. First operand 381 states and 504 transitions. Second operand 5 states. [2020-10-27 15:36:50,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:50,668 INFO L93 Difference]: Finished difference Result 1068 states and 1452 transitions. [2020-10-27 15:36:50,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:50,669 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-10-27 15:36:50,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:50,675 INFO L225 Difference]: With dead ends: 1068 [2020-10-27 15:36:50,675 INFO L226 Difference]: Without dead ends: 693 [2020-10-27 15:36:50,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:50,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2020-10-27 15:36:50,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 683. [2020-10-27 15:36:50,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2020-10-27 15:36:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 905 transitions. [2020-10-27 15:36:50,755 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 905 transitions. Word has length 172 [2020-10-27 15:36:50,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:50,756 INFO L481 AbstractCegarLoop]: Abstraction has 683 states and 905 transitions. [2020-10-27 15:36:50,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 905 transitions. [2020-10-27 15:36:50,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 15:36:50,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:50,769 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, 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] [2020-10-27 15:36:50,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:36:50,770 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:50,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:50,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1349163701, now seen corresponding path program 1 times [2020-10-27 15:36:50,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:50,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853941973] [2020-10-27 15:36:50,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:50,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:50,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:50,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:52,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:53,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:53,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-27 15:36:53,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:36:53,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2808 [2020-10-27 15:36:53,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:53,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:53,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 15:36:53,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 15:36:53,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:53,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:53,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:53,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:53,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:53,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:53,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:36:53,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:53,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:53,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 15:36:53,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:53,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:53,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:53,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:36:53,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:53,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:36:53,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:53,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:53,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:53,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:53,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:53,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:36:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:53,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:53,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:53,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 15:36:53,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:53,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 15:36:53,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 15:36:53,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 15:36:53,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853941973] [2020-10-27 15:36:53,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:53,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:53,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615929286] [2020-10-27 15:36:53,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:53,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:53,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:53,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:53,942 INFO L87 Difference]: Start difference. First operand 683 states and 905 transitions. Second operand 5 states. [2020-10-27 15:36:55,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:55,447 INFO L93 Difference]: Finished difference Result 1807 states and 2442 transitions. [2020-10-27 15:36:55,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:55,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 176 [2020-10-27 15:36:55,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:55,455 INFO L225 Difference]: With dead ends: 1807 [2020-10-27 15:36:55,456 INFO L226 Difference]: Without dead ends: 1130 [2020-10-27 15:36:55,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:55,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2020-10-27 15:36:55,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1123. [2020-10-27 15:36:55,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1123 states. [2020-10-27 15:36:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1403 transitions. [2020-10-27 15:36:55,504 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1403 transitions. Word has length 176 [2020-10-27 15:36:55,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:55,505 INFO L481 AbstractCegarLoop]: Abstraction has 1123 states and 1403 transitions. [2020-10-27 15:36:55,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:55,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1403 transitions. [2020-10-27 15:36:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-27 15:36:55,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:55,511 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, 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] [2020-10-27 15:36:55,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:36:55,511 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:55,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:55,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1862546813, now seen corresponding path program 1 times [2020-10-27 15:36:55,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:55,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735438077] [2020-10-27 15:36:55,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:55,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:55,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:55,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:56,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:57,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:57,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:58,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:58,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 15:36:58,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 15:36:58,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2812 [2020-10-27 15:36:58,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:58,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:58,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 15:36:58,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 15:36:58,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:58,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:58,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:58,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:58,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:58,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:58,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:36:58,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:58,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:58,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:58,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:58,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:58,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:58,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:58,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:58,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:36:58,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:58,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:36:58,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:58,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:58,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:58,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:58,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:58,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:36:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:58,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:58,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:58,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 15:36:58,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:58,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 15:36:58,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:58,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:58,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 15:36:58,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 15:36:58,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735438077] [2020-10-27 15:36:58,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:58,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:58,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111750849] [2020-10-27 15:36:58,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:58,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:58,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:58,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:58,950 INFO L87 Difference]: Start difference. First operand 1123 states and 1403 transitions. Second operand 5 states. [2020-10-27 15:36:59,489 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 15:37:00,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:00,613 INFO L93 Difference]: Finished difference Result 2333 states and 2968 transitions. [2020-10-27 15:37:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:37:00,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 180 [2020-10-27 15:37:00,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:00,624 INFO L225 Difference]: With dead ends: 2333 [2020-10-27 15:37:00,624 INFO L226 Difference]: Without dead ends: 1128 [2020-10-27 15:37:00,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:37:00,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2020-10-27 15:37:00,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1123. [2020-10-27 15:37:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1123 states. [2020-10-27 15:37:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1393 transitions. [2020-10-27 15:37:00,684 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1393 transitions. Word has length 180 [2020-10-27 15:37:00,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:00,684 INFO L481 AbstractCegarLoop]: Abstraction has 1123 states and 1393 transitions. [2020-10-27 15:37:00,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:37:00,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1393 transitions. [2020-10-27 15:37:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-27 15:37:00,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:00,693 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:37:00,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:37:00,693 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:00,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:00,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1006741590, now seen corresponding path program 1 times [2020-10-27 15:37:00,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:00,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485883732] [2020-10-27 15:37:00,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:00,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:00,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:01,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:02,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:02,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-27 15:37:02,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:37:02,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1406 [2020-10-27 15:37:02,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:02,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:37:02,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 15:37:02,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 15:37:02,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:02,425 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 15:37:02,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:02,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:02,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:02,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:02,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:02,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:37:02,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:02,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:02,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:02,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:37:02,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:02,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:02,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:02,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:37:02,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:02,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:37:02,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:02,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:02,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:02,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:02,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:02,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:37:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:02,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:02,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:02,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:37:02,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:02,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 15:37:02,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:02,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:02,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:02,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:02,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:37:02,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 15:37:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:02,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:02,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:02,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 15:37:02,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:02,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 15:37:02,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:02,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 15:37:02,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:37:02,810 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 44 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-27 15:37:02,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485883732] [2020-10-27 15:37:02,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:02,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:37:02,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803055701] [2020-10-27 15:37:02,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:37:02,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:02,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:37:02,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:37:02,813 INFO L87 Difference]: Start difference. First operand 1123 states and 1393 transitions. Second operand 6 states. [2020-10-27 15:37:03,307 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-27 15:37:04,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:04,223 INFO L93 Difference]: Finished difference Result 2342 states and 2956 transitions. [2020-10-27 15:37:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:37:04,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2020-10-27 15:37:04,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:04,230 INFO L225 Difference]: With dead ends: 2342 [2020-10-27 15:37:04,231 INFO L226 Difference]: Without dead ends: 1128 [2020-10-27 15:37:04,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:37:04,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2020-10-27 15:37:04,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1123. [2020-10-27 15:37:04,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1123 states. [2020-10-27 15:37:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1390 transitions. [2020-10-27 15:37:04,273 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1390 transitions. Word has length 187 [2020-10-27 15:37:04,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:04,273 INFO L481 AbstractCegarLoop]: Abstraction has 1123 states and 1390 transitions. [2020-10-27 15:37:04,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:37:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1390 transitions. [2020-10-27 15:37:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-27 15:37:04,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:37:04,279 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] [2020-10-27 15:37:04,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:37:04,280 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:37:04,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:37:04,280 INFO L82 PathProgramCache]: Analyzing trace with hash 357496464, now seen corresponding path program 1 times [2020-10-27 15:37:04,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:37:04,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558354183] [2020-10-27 15:37:04,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:37:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:04,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:04,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:04,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:04,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:05,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:06,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:07,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:07,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-27 15:37:07,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 15:37:07,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2747 [2020-10-27 15:37:07,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:37:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 15:37:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-27 15:37:07,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:37:07,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:37:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:07,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:07,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:07,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:37:07,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:07,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:37:07,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:07,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:07,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:07,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:07,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:07,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:37:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:07,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:07,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:07,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:37:07,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:07,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:37:07,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:07,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:37:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:07,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:07,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:07,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:37:07,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:37:07,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:37:07,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:37:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:37:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:37:07,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:07,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 15:37:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:37:07,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:07,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:37:07,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:37:07,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 15:37:07,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:37:07,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 15:37:07,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:37:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:37:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 15:37:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:37:07,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:37:07,442 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-27 15:37:07,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558354183] [2020-10-27 15:37:07,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:37:07,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:37:07,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829825273] [2020-10-27 15:37:07,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:37:07,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:37:07,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:37:07,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:37:07,446 INFO L87 Difference]: Start difference. First operand 1123 states and 1390 transitions. Second operand 6 states. [2020-10-27 15:37:10,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:37:10,443 INFO L93 Difference]: Finished difference Result 4011 states and 5079 transitions. [2020-10-27 15:37:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 15:37:10,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 230 [2020-10-27 15:37:10,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:37:10,444 INFO L225 Difference]: With dead ends: 4011 [2020-10-27 15:37:10,444 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:37:10,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-27 15:37:10,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:37:10,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:37:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:37:10,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:37:10,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 230 [2020-10-27 15:37:10,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:37:10,456 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:37:10,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:37:10,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:37:10,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:37:10,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 15:37:10,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:37:11,007 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 48 [2020-10-27 15:37:11,178 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 34 [2020-10-27 15:37:11,939 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 65 [2020-10-27 15:37:12,154 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 42 [2020-10-27 15:37:12,397 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-10-27 15:37:12,550 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2020-10-27 15:37:12,555 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:37:12,555 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:37:12,558 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:37:12,558 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:37:12,558 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:37:12,559 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-27 15:37:12,559 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:37:12,559 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-27 15:37:12,559 INFO L270 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (let ((.cse1 (not (= |old(~a25~0)| 1))) (.cse2 (not (= 7 |old(~a17~0)|))) (.cse3 (not (= ~a21~0 1))) (.cse0 (= |old(~a19~0)| 1))) (and (or .cse0 .cse1 .cse2 (not (= 9 |old(~a28~0)|)) .cse3 (not (= |old(~a11~0)| 1))) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (or (not (<= |old(~a19~0)| 1)) .cse1 .cse2 (not (= 11 |old(~a28~0)|)) (not (<= 1 |old(~a19~0)|)) .cse3 (not (<= |old(~a11~0)| 0))) (or (not .cse0) (not (= 7 |old(~a28~0)|))))) [2020-10-27 15:37:12,559 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:37:12,559 INFO L274 CegarLoopResult]: For program point L564-1(line 564) no Hoare annotation was computed. [2020-10-27 15:37:12,560 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 15:37:12,560 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:37:12,560 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:37:12,560 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:37:12,560 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:37:12,560 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:37:12,560 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:37:12,560 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:37:12,560 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:37:12,560 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:37:12,561 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:37:12,561 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:37:12,561 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,561 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,561 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,561 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,561 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,561 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:37:12,561 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:37:12,562 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:37:12,562 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:37:12,562 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 15:37:12,562 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:37:12,562 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:37:12,563 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:37:12,563 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:37:12,563 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:37:12,563 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:37:12,563 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:37:12,563 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:37:12,563 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,563 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,565 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,565 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,565 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:37:12,565 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,566 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:37:12,566 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-27 15:37:12,566 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:37:12,566 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:37:12,566 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:37:12,566 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:37:12,566 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:37:12,566 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:37:12,566 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:37:12,566 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:37:12,566 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:37:12,567 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:37:12,567 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:37:12,567 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:37:12,567 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:37:12,568 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,568 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,568 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,568 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,568 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,568 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:37:12,569 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:37:12,569 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:37:12,569 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:37:12,570 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:37:12,570 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:37:12,570 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:37:12,570 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 15:37:12,570 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:37:12,570 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:37:12,570 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:37:12,570 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,570 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,570 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,571 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,571 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,571 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:37:12,571 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:37:12,571 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:37:12,571 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:37:12,571 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:37:12,571 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:37:12,571 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:37:12,571 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-27 15:37:12,571 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:37:12,572 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:37:12,572 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:37:12,572 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:37:12,572 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:37:12,572 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,572 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,572 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,572 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,572 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,572 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:37:12,572 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-27 15:37:12,573 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:37:12,573 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:37:12,573 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:37:12,574 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:37:12,574 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:37:12,574 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:37:12,574 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:37:12,574 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,574 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,574 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:37:12,574 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:37:12,574 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:37:12,575 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:37:12,575 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:37:12,575 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:37:12,575 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:37:12,575 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,575 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,575 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,575 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,575 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:37:12,575 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,575 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:37:12,576 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,576 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:37:12,576 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:37:12,576 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:37:12,576 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:37:12,576 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:37:12,576 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:37:12,576 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-27 15:37:12,576 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:37:12,576 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:37:12,576 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:37:12,577 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:37:12,577 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:37:12,577 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:37:12,577 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:37:12,577 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,577 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,577 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,577 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,577 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,577 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,577 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:37:12,578 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:37:12,578 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:37:12,578 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:37:12,578 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 15:37:12,578 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:37:12,578 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:37:12,578 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:37:12,578 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:37:12,578 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:37:12,578 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:37:12,578 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,579 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,579 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,579 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,579 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,579 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,579 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:37:12,579 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:37:12,579 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:37:12,579 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:37:12,579 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-27 15:37:12,579 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:37:12,579 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 15:37:12,580 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse9 (= |old(~a19~0)| 1)) (.cse4 (not (= |old(~a25~0)| 1))) (.cse5 (not (= 7 |old(~a17~0)|))) (.cse7 (= ~a25~0 1)) (.cse8 (not (= ~a21~0 1))) (.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (and (or (and .cse0 .cse1 .cse2 (= ~a17~0 8) .cse3) (not (= 8 |old(~a17~0)|))) (or (not (<= |old(~a19~0)| 1)) .cse4 .cse5 (not (= 11 |old(~a28~0)|)) (not (<= 1 |old(~a19~0)|)) (and .cse6 .cse1 .cse7 .cse3 (= ~a28~0 11)) .cse8 (not (<= |old(~a11~0)| 0))) (or (not .cse9) (and .cse6 .cse1 (= ~a19~0 1) .cse2 (= 7 ~a28~0)) (not (= 7 |old(~a28~0)|))) (or .cse9 .cse4 .cse5 (and .cse6 .cse1 .cse7 (= ~a28~0 9) .cse3) (not (= 9 |old(~a28~0)|)) .cse8 (not (= |old(~a11~0)| 1))) (or (and .cse0 .cse6 .cse1 .cse2 .cse3) (not (= 0 |old(~a25~0)|))))) [2020-10-27 15:37:12,580 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:37:12,580 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:37:12,580 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:37:12,580 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:37:12,580 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:37:12,580 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:37:12,580 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:37:12,581 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,581 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,581 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,581 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,581 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,581 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,581 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:37:12,581 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:37:12,581 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:37:12,581 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-27 15:37:12,581 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:37:12,582 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:37:12,582 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:37:12,582 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:37:12,582 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:37:12,582 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:37:12,582 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:37:12,582 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:37:12,582 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:37:12,582 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,582 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,583 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,583 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,583 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,583 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,583 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:37:12,583 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:37:12,583 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:37:12,583 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:37:12,583 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:37:12,583 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:37:12,583 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:37:12,584 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:37:12,584 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:37:12,584 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:37:12,584 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:37:12,584 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:37:12,584 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:37:12,584 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:37:12,584 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:37:12,584 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:37:12,584 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,584 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,584 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,585 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,585 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:37:12,585 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:37:12,585 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:37:12,585 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:37:12,585 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:37:12,585 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:37:12,585 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (<= 8 ~a17~0) (= 7 ~a28~0) (= ~a11~0 0) (<= ~a17~0 8)) [2020-10-27 15:37:12,585 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:37:12,585 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:37:12,586 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (= 7 ~a17~0)) (.cse0 (= ~a19~0 1)) (.cse2 (= ~a25~0 1))) (or (not (= |old(~a19~0)| 1)) (= ~a25~0 0) (not (= 0 |old(~a11~0)|)) (= ~a17~0 8) (and .cse0 (= 7 ~a28~0)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (and (<= ~a11~0 0) .cse1 .cse2 (<= ~a19~0 1) (<= 1 ~a19~0) (= ~a28~0 11)) (not (= 7 |old(~a28~0)|)) (and .cse1 (not .cse0) .cse2 (= ~a28~0 9) (= ~a11~0 1)))) [2020-10-27 15:37:12,586 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (and (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= 7 |old(~a28~0)|))) [2020-10-27 15:37:12,586 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:37:12,586 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:37:12,586 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (= 7 ~a17~0)) (.cse0 (= ~a19~0 1)) (.cse2 (= ~a25~0 1))) (or (not (= |old(~a19~0)| 1)) (= ~a25~0 0) (not (= 0 |old(~a11~0)|)) (and .cse0 (= 7 ~a28~0)) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (and (<= ~a11~0 0) .cse1 .cse2 (<= ~a19~0 1) (<= 1 ~a19~0) (= ~a28~0 11)) (not (= 7 |old(~a28~0)|)) (and .cse1 (not .cse0) .cse2 (= ~a28~0 9) (= ~a11~0 1)))) [2020-10-27 15:37:12,586 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:37:12,586 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:37:12,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:37:12 BoogieIcfgContainer [2020-10-27 15:37:12,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:37:12,636 INFO L168 Benchmark]: Toolchain (without parser) took 46573.86 ms. Allocated memory was 152.0 MB in the beginning and 653.3 MB in the end (delta: 501.2 MB). Free memory was 125.0 MB in the beginning and 338.4 MB in the end (delta: -213.4 MB). Peak memory consumption was 389.7 MB. Max. memory is 8.0 GB. [2020-10-27 15:37:12,637 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:37:12,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.31 ms. Allocated memory is still 152.0 MB. Free memory was 124.2 MB in the beginning and 131.8 MB in the end (delta: -7.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:37:12,638 INFO L168 Benchmark]: Boogie Preprocessor took 126.70 ms. Allocated memory is still 152.0 MB. Free memory was 131.8 MB in the beginning and 126.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:37:12,639 INFO L168 Benchmark]: RCFGBuilder took 1525.05 ms. Allocated memory was 152.0 MB in the beginning and 185.6 MB in the end (delta: 33.6 MB). Free memory was 126.9 MB in the beginning and 139.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 83.8 MB. Max. memory is 8.0 GB. [2020-10-27 15:37:12,640 INFO L168 Benchmark]: TraceAbstraction took 44079.55 ms. Allocated memory was 185.6 MB in the beginning and 653.3 MB in the end (delta: 467.7 MB). Free memory was 139.1 MB in the beginning and 338.4 MB in the end (delta: -199.2 MB). Peak memory consumption was 370.1 MB. Max. memory is 8.0 GB. [2020-10-27 15:37:12,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 825.31 ms. Allocated memory is still 152.0 MB. Free memory was 124.2 MB in the beginning and 131.8 MB in the end (delta: -7.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 126.70 ms. Allocated memory is still 152.0 MB. Free memory was 131.8 MB in the beginning and 126.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1525.05 ms. Allocated memory was 152.0 MB in the beginning and 185.6 MB in the end (delta: 33.6 MB). Free memory was 126.9 MB in the beginning and 139.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 83.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 44079.55 ms. Allocated memory was 185.6 MB in the beginning and 653.3 MB in the end (delta: 467.7 MB). Free memory was 139.1 MB in the beginning and 338.4 MB in the end (delta: -199.2 MB). Peak memory consumption was 370.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((!(\old(a19) == 1) || a25 == 0) || !(0 == \old(a11))) || a17 == 8) || (a19 == 1 && 7 == a28)) || !(8 == \old(a17))) || !(0 == \old(a25))) || !(a21 == 1)) || (((((a11 <= 0 && 7 == a17) && a25 == 1) && a19 <= 1) && 1 <= a19) && a28 == 11)) || !(7 == \old(a28))) || ((((7 == a17 && !(a19 == 1)) && a25 == 1) && a28 == 9) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.8s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 19.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 284 SDtfs, 3098 SDslu, 360 SDs, 0 SdLazy, 6369 SolverSat, 764 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 64 SyntacticMatches, 3 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1123occurred 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 36 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 136 PreInvPairs, 185 NumberOfFragments, 519 HoareAnnotationTreeSize, 136 FomulaSimplifications, 59979 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2987 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 20.1s InterpolantComputationTime, 1378 NumberOfCodeBlocks, 1378 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1370 ConstructedInterpolants, 0 QuantifiedInterpolants, 1783366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 352/366 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...