/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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/Problem11_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:50:15,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:50:15,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:50:15,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:50:15,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:50:15,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:50:15,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:50:15,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:50:15,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:50:15,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:50:15,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:50:15,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:50:15,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:50:15,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:50:15,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:50:15,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:50:15,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:50:15,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:50:15,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:50:15,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:50:15,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:50:15,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:50:15,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:50:15,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:50:15,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:50:15,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:50:15,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:50:15,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:50:15,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:50:15,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:50:15,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:50:15,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:50:15,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:50:15,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:50:15,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:50:15,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:50:15,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:50:15,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:50:15,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:50:15,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:50:15,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:50:15,605 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 [2020-10-29 06:50:15,651 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:50:15,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:50:15,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:50:15,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:50:15,653 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:50:15,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:50:15,653 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:50:15,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:50:15,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:50:15,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:50:15,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:50:15,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:50:15,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:50:15,655 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:50:15,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:50:15,655 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:50:15,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:50:15,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:50:15,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:50:15,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:50:15,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:50:15,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:50:15,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:50:15,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:50:15,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:50:15,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:50:15,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:50:15,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:50:15,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:50:15,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:50:16,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:50:16,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:50:16,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:50:16,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:50:16,067 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:50:16,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label46.c [2020-10-29 06:50:16,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1bac3ad0/9bf215cfebd746378d7ed12038dc87a9/FLAG44c80d9a3 [2020-10-29 06:50:16,894 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:50:16,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label46.c [2020-10-29 06:50:16,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1bac3ad0/9bf215cfebd746378d7ed12038dc87a9/FLAG44c80d9a3 [2020-10-29 06:50:17,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1bac3ad0/9bf215cfebd746378d7ed12038dc87a9 [2020-10-29 06:50:17,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:50:17,066 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:50:17,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:50:17,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:50:17,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:50:17,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:50:17" (1/1) ... [2020-10-29 06:50:17,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5433dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:17, skipping insertion in model container [2020-10-29 06:50:17,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:50:17" (1/1) ... [2020-10-29 06:50:17,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:50:17,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:50:17,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:50:17,743 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:50:17,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:50:17,896 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:50:17,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:17 WrapperNode [2020-10-29 06:50:17,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:50:17,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:50:17,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:50:17,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:50:17,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:17" (1/1) ... [2020-10-29 06:50:17,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:17" (1/1) ... [2020-10-29 06:50:17,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:17" (1/1) ... [2020-10-29 06:50:17,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:17" (1/1) ... [2020-10-29 06:50:18,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:17" (1/1) ... [2020-10-29 06:50:18,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:17" (1/1) ... [2020-10-29 06:50:18,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:17" (1/1) ... [2020-10-29 06:50:18,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:50:18,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:50:18,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:50:18,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:50:18,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:17" (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 [2020-10-29 06:50:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:50:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:50:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:50:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:50:18,140 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:50:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:50:18,140 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:50:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:50:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:50:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:50:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:50:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:50:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:50:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:50:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:50:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:50:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:50:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:50:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:50:19,967 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:50:19,967 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:50:19,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:50:19 BoogieIcfgContainer [2020-10-29 06:50:19,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:50:19,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:50:19,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:50:19,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:50:19,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:50:17" (1/3) ... [2020-10-29 06:50:19,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd485e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:50:19, skipping insertion in model container [2020-10-29 06:50:19,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:17" (2/3) ... [2020-10-29 06:50:19,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd485e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:50:19, skipping insertion in model container [2020-10-29 06:50:19,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:50:19" (3/3) ... [2020-10-29 06:50:19,979 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label46.c [2020-10-29 06:50:19,990 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:50:19,996 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:50:20,010 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:50:20,039 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:50:20,040 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:50:20,040 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:50:20,040 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:50:20,040 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:50:20,040 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:50:20,040 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:50:20,040 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:50:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-29 06:50:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-29 06:50:20,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:50:20,075 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] [2020-10-29 06:50:20,075 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:50:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:50:20,082 INFO L82 PathProgramCache]: Analyzing trace with hash -2000815338, now seen corresponding path program 1 times [2020-10-29 06:50:20,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:50:20,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745970796] [2020-10-29 06:50:20,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:50:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:20,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:20,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:20,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 06:50:20,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:20,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 583 [2020-10-29 06:50:20,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:20,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:50:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:50:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 06:50:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:50:21,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:50:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:21,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:21,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:21,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:50:21,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:21,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 06:50:21,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:21,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:50:21,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:21,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:50:21,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:21,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:50:21,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745970796] [2020-10-29 06:50:21,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:50:21,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 06:50:21,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077172036] [2020-10-29 06:50:21,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:50:21,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:50:21,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:50:21,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:50:21,222 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 5 states. [2020-10-29 06:50:25,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:50:25,357 INFO L93 Difference]: Finished difference Result 1004 states and 1801 transitions. [2020-10-29 06:50:25,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:50:25,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-10-29 06:50:25,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:50:25,397 INFO L225 Difference]: With dead ends: 1004 [2020-10-29 06:50:25,397 INFO L226 Difference]: Without dead ends: 640 [2020-10-29 06:50:25,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:50:25,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-10-29 06:50:25,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 622. [2020-10-29 06:50:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-29 06:50:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 957 transitions. [2020-10-29 06:50:25,538 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 957 transitions. Word has length 69 [2020-10-29 06:50:25,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:50:25,539 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 957 transitions. [2020-10-29 06:50:25,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:50:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 957 transitions. [2020-10-29 06:50:25,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-29 06:50:25,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:50:25,547 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:50:25,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:50:25,548 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:50:25,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:50:25,549 INFO L82 PathProgramCache]: Analyzing trace with hash -283989537, now seen corresponding path program 1 times [2020-10-29 06:50:25,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:50:25,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [26917838] [2020-10-29 06:50:25,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:50:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:25,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:25,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:26,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:27,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:27,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-29 06:50:27,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:50:27,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2326 [2020-10-29 06:50:27,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:27,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:27,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:50:27,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-29 06:50:27,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 06:50:27,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:50:28,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:50:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:28,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:28,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:28,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:50:28,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:28,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 06:50:28,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:28,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:50:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:50:28,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:50:28,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:50:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:28,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:28,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:28,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:50:28,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:28,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-29 06:50:28,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:28,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:50:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 06:50:28,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:50:28,368 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:50:28,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [26917838] [2020-10-29 06:50:28,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:50:28,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:50:28,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460004403] [2020-10-29 06:50:28,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:50:28,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:50:28,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:50:28,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:50:28,372 INFO L87 Difference]: Start difference. First operand 622 states and 957 transitions. Second operand 5 states. [2020-10-29 06:50:31,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:50:31,324 INFO L93 Difference]: Finished difference Result 1818 states and 2845 transitions. [2020-10-29 06:50:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:50:31,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-10-29 06:50:31,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:50:31,338 INFO L225 Difference]: With dead ends: 1818 [2020-10-29 06:50:31,338 INFO L226 Difference]: Without dead ends: 1202 [2020-10-29 06:50:31,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:50:31,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2020-10-29 06:50:31,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1198. [2020-10-29 06:50:31,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2020-10-29 06:50:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1764 transitions. [2020-10-29 06:50:31,382 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1764 transitions. Word has length 143 [2020-10-29 06:50:31,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:50:31,384 INFO L481 AbstractCegarLoop]: Abstraction has 1198 states and 1764 transitions. [2020-10-29 06:50:31,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:50:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1764 transitions. [2020-10-29 06:50:31,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-29 06:50:31,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:50:31,401 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:50:31,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:50:31,402 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:50:31,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:50:31,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1478828033, now seen corresponding path program 1 times [2020-10-29 06:50:31,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:50:31,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1909354041] [2020-10-29 06:50:31,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:50:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:31,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:31,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:32,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:32,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 06:50:32,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:50:32,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1200 [2020-10-29 06:50:32,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:32,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:50:32,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:50:32,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-29 06:50:32,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:32,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:50:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:32,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:32,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:32,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:50:32,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:32,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 06:50:32,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:32,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:50:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:32,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:50:32,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:50:32,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:50:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:32,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:32,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:33,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:33,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:50:33,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:50:33,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-29 06:50:33,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:33,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:50:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:50:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:50:33,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:33,278 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:50:33,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1909354041] [2020-10-29 06:50:33,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:50:33,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:50:33,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816357790] [2020-10-29 06:50:33,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:50:33,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:50:33,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:50:33,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:50:33,283 INFO L87 Difference]: Start difference. First operand 1198 states and 1764 transitions. Second operand 8 states. [2020-10-29 06:50:37,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:50:37,791 INFO L93 Difference]: Finished difference Result 4168 states and 6302 transitions. [2020-10-29 06:50:37,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 06:50:37,796 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2020-10-29 06:50:37,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:50:37,819 INFO L225 Difference]: With dead ends: 4168 [2020-10-29 06:50:37,820 INFO L226 Difference]: Without dead ends: 2976 [2020-10-29 06:50:37,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-29 06:50:37,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2976 states. [2020-10-29 06:50:37,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2976 to 2004. [2020-10-29 06:50:37,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2004 states. [2020-10-29 06:50:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2835 transitions. [2020-10-29 06:50:37,937 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2835 transitions. Word has length 159 [2020-10-29 06:50:37,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:50:37,938 INFO L481 AbstractCegarLoop]: Abstraction has 2004 states and 2835 transitions. [2020-10-29 06:50:37,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:50:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2835 transitions. [2020-10-29 06:50:37,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-29 06:50:37,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:50:37,944 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:50:37,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:50:37,945 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:50:37,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:50:37,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1303868036, now seen corresponding path program 1 times [2020-10-29 06:50:37,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:50:37,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503492043] [2020-10-29 06:50:37,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:50:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:38,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:38,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:38,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-29 06:50:38,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:38,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 616 [2020-10-29 06:50:38,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:38,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:50:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:50:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 06:50:38,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:38,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:50:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:38,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:38,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:38,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:50:38,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:38,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 06:50:38,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:38,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:50:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:50:38,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:50:38,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:50:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:38,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:39,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:39,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:50:39,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:39,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-29 06:50:39,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:39,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:39,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:50:39,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:50:39,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 06:50:39,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:50:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:50:39,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503492043] [2020-10-29 06:50:39,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:50:39,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:50:39,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300044298] [2020-10-29 06:50:39,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:50:39,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:50:39,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:50:39,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:50:39,389 INFO L87 Difference]: Start difference. First operand 2004 states and 2835 transitions. Second operand 7 states. [2020-10-29 06:50:42,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:50:42,479 INFO L93 Difference]: Finished difference Result 5113 states and 8234 transitions. [2020-10-29 06:50:42,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:50:42,480 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 206 [2020-10-29 06:50:42,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:50:42,508 INFO L225 Difference]: With dead ends: 5113 [2020-10-29 06:50:42,508 INFO L226 Difference]: Without dead ends: 3115 [2020-10-29 06:50:42,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:50:42,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3115 states. [2020-10-29 06:50:42,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3115 to 2804. [2020-10-29 06:50:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2804 states. [2020-10-29 06:50:42,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 3852 transitions. [2020-10-29 06:50:42,676 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 3852 transitions. Word has length 206 [2020-10-29 06:50:42,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:50:42,676 INFO L481 AbstractCegarLoop]: Abstraction has 2804 states and 3852 transitions. [2020-10-29 06:50:42,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:50:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 3852 transitions. [2020-10-29 06:50:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-29 06:50:42,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:50:42,683 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:50:42,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:50:42,684 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:50:42,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:50:42,684 INFO L82 PathProgramCache]: Analyzing trace with hash -2054614398, now seen corresponding path program 1 times [2020-10-29 06:50:42,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:50:42,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782858199] [2020-10-29 06:50:42,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:50:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:42,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:42,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:42,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:46,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:47,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:47,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-29 06:50:47,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:50:47,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-29 06:50:47,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:47,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:47,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 06:50:47,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-29 06:50:47,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-29 06:50:47,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:50:47,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:50:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:47,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:47,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:47,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:50:47,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:47,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:50:47,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:47,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:50:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:50:47,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:47,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:50:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:48,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:48,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:48,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:50:48,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:48,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-29 06:50:48,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:48,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:50:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:48,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 06:50:48,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:48,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 06:50:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:48,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:48,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:48,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:48,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:48,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:50:48,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:50:48,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 598 [2020-10-29 06:50:48,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:48,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:50:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:50:48,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:50:48,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:49,047 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 129 proven. 65 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:50:49,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782858199] [2020-10-29 06:50:49,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:50:49,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:50:49,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099267483] [2020-10-29 06:50:49,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:50:49,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:50:49,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:50:49,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:50:49,050 INFO L87 Difference]: Start difference. First operand 2804 states and 3852 transitions. Second operand 8 states. [2020-10-29 06:50:50,348 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 06:50:54,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:50:54,671 INFO L93 Difference]: Finished difference Result 7810 states and 13479 transitions. [2020-10-29 06:50:54,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 06:50:54,672 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 232 [2020-10-29 06:50:54,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:50:54,715 INFO L225 Difference]: With dead ends: 7810 [2020-10-29 06:50:54,715 INFO L226 Difference]: Without dead ends: 5137 [2020-10-29 06:50:54,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-29 06:50:54,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5137 states. [2020-10-29 06:50:54,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5137 to 4355. [2020-10-29 06:50:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4355 states. [2020-10-29 06:50:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 6189 transitions. [2020-10-29 06:50:54,977 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 6189 transitions. Word has length 232 [2020-10-29 06:50:54,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:50:54,978 INFO L481 AbstractCegarLoop]: Abstraction has 4355 states and 6189 transitions. [2020-10-29 06:50:54,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:50:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 6189 transitions. [2020-10-29 06:50:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-29 06:50:54,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:50:54,988 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:50:54,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:50:54,988 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:50:54,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:50:54,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1267991324, now seen corresponding path program 1 times [2020-10-29 06:50:54,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:50:54,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785073916] [2020-10-29 06:50:54,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:50:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:55,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:55,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:55,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:56,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:59,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:59,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-29 06:50:59,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:50:59,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4751 [2020-10-29 06:50:59,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:59,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:50:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-29 06:50:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-29 06:50:59,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:59,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:50:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:59,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:59,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:59,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:50:59,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:59,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:50:59,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:59,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:50:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:59,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:50:59,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:50:59,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:50:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:59,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:00,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:00,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:51:00,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:00,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 06:51:00,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:00,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:00,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:00,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:00,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 06:51:00,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:00,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 06:51:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:00,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:00,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:00,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-29 06:51:00,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-29 06:51:00,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:00,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:00,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 06:51:00,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:51:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:51:00,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785073916] [2020-10-29 06:51:00,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:00,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:51:00,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128622884] [2020-10-29 06:51:00,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:51:00,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:00,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:51:00,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:51:00,408 INFO L87 Difference]: Start difference. First operand 4355 states and 6189 transitions. Second operand 7 states. [2020-10-29 06:51:03,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:03,682 INFO L93 Difference]: Finished difference Result 11589 states and 17181 transitions. [2020-10-29 06:51:03,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:51:03,683 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 242 [2020-10-29 06:51:03,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:03,724 INFO L225 Difference]: With dead ends: 11589 [2020-10-29 06:51:03,725 INFO L226 Difference]: Without dead ends: 7618 [2020-10-29 06:51:03,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:51:03,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7618 states. [2020-10-29 06:51:03,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7618 to 7611. [2020-10-29 06:51:03,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7611 states. [2020-10-29 06:51:04,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7611 states to 7611 states and 11087 transitions. [2020-10-29 06:51:04,003 INFO L78 Accepts]: Start accepts. Automaton has 7611 states and 11087 transitions. Word has length 242 [2020-10-29 06:51:04,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:04,004 INFO L481 AbstractCegarLoop]: Abstraction has 7611 states and 11087 transitions. [2020-10-29 06:51:04,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:51:04,004 INFO L276 IsEmpty]: Start isEmpty. Operand 7611 states and 11087 transitions. [2020-10-29 06:51:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-29 06:51:04,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:04,018 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:51:04,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:51:04,018 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:04,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:04,019 INFO L82 PathProgramCache]: Analyzing trace with hash -266955657, now seen corresponding path program 1 times [2020-10-29 06:51:04,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:04,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112927564] [2020-10-29 06:51:04,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:04,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:04,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:06,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:06,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-29 06:51:06,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:51:06,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2245 [2020-10-29 06:51:06,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:06,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-29 06:51:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 06:51:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:06,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:06,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:06,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:06,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:06,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:06,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:51:06,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:06,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:06,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:06,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:06,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:06,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:06,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:06,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:06,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:06,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 06:51:06,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:06,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 06:51:06,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:06,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:06,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:06,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:06,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-29 06:51:06,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:06,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 06:51:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:06,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:06,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:06,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:51:06,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:06,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-29 06:51:06,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:06,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:06,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:06,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:06,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:51:06,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:51:06,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112927564] [2020-10-29 06:51:06,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:06,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:51:06,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995450915] [2020-10-29 06:51:06,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:51:06,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:06,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:51:06,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:51:06,895 INFO L87 Difference]: Start difference. First operand 7611 states and 11087 transitions. Second operand 7 states. [2020-10-29 06:51:09,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:09,996 INFO L93 Difference]: Finished difference Result 17190 states and 26045 transitions. [2020-10-29 06:51:09,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:51:09,997 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 269 [2020-10-29 06:51:09,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:10,051 INFO L225 Difference]: With dead ends: 17190 [2020-10-29 06:51:10,051 INFO L226 Difference]: Without dead ends: 9963 [2020-10-29 06:51:10,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:51:10,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9963 states. [2020-10-29 06:51:10,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9963 to 7789. [2020-10-29 06:51:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7789 states. [2020-10-29 06:51:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7789 states to 7789 states and 10112 transitions. [2020-10-29 06:51:10,361 INFO L78 Accepts]: Start accepts. Automaton has 7789 states and 10112 transitions. Word has length 269 [2020-10-29 06:51:10,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:10,362 INFO L481 AbstractCegarLoop]: Abstraction has 7789 states and 10112 transitions. [2020-10-29 06:51:10,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:51:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 7789 states and 10112 transitions. [2020-10-29 06:51:10,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-29 06:51:10,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:10,379 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:10,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:51:10,379 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:10,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:10,380 INFO L82 PathProgramCache]: Analyzing trace with hash -656914064, now seen corresponding path program 1 times [2020-10-29 06:51:10,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:10,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101955651] [2020-10-29 06:51:10,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:10,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:11,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:11,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-29 06:51:11,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:11,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 673 [2020-10-29 06:51:11,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:11,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:11,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:51:11,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-29 06:51:11,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:11,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:11,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:11,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:11,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:11,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:11,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:51:11,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:11,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:11,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:11,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:11,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:11,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:11,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:51:11,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:11,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 06:51:11,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:11,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:11,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:11,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:11,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:51:11,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:11,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:51:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:11,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:11,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:11,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:51:11,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:11,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-29 06:51:11,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:11,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 06:51:11,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 248 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:51:11,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101955651] [2020-10-29 06:51:11,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:11,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:51:11,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248611977] [2020-10-29 06:51:11,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:51:11,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:11,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:51:11,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:51:11,865 INFO L87 Difference]: Start difference. First operand 7789 states and 10112 transitions. Second operand 7 states. [2020-10-29 06:51:15,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:15,315 INFO L93 Difference]: Finished difference Result 16407 states and 21669 transitions. [2020-10-29 06:51:15,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:51:15,316 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 337 [2020-10-29 06:51:15,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:15,348 INFO L225 Difference]: With dead ends: 16407 [2020-10-29 06:51:15,349 INFO L226 Difference]: Without dead ends: 9002 [2020-10-29 06:51:15,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:51:15,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9002 states. [2020-10-29 06:51:15,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9002 to 8372. [2020-10-29 06:51:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8372 states. [2020-10-29 06:51:15,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8372 states to 8372 states and 10674 transitions. [2020-10-29 06:51:15,593 INFO L78 Accepts]: Start accepts. Automaton has 8372 states and 10674 transitions. Word has length 337 [2020-10-29 06:51:15,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:15,593 INFO L481 AbstractCegarLoop]: Abstraction has 8372 states and 10674 transitions. [2020-10-29 06:51:15,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:51:15,594 INFO L276 IsEmpty]: Start isEmpty. Operand 8372 states and 10674 transitions. [2020-10-29 06:51:15,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2020-10-29 06:51:15,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:15,619 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:15,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:51:15,619 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:15,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:15,620 INFO L82 PathProgramCache]: Analyzing trace with hash -2029562646, now seen corresponding path program 1 times [2020-10-29 06:51:15,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:15,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361882393] [2020-10-29 06:51:15,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:15,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:15,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:18,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:18,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 453 [2020-10-29 06:51:18,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:51:18,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2436 [2020-10-29 06:51:18,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:18,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-29 06:51:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-29 06:51:18,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:18,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:18,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:18,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:18,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:18,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:18,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:51:18,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:18,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:18,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:18,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:51:18,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:18,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:18,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:18,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:51:18,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:18,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 06:51:18,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:18,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:18,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:18,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:18,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:18,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:51:18,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:51:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:18,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:18,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:18,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-29 06:51:18,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:18,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-29 06:51:18,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:18,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 06:51:18,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:18,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-29 06:51:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:18,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:19,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:19,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-29 06:51:19,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:19,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-29 06:51:19,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:19,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:19,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:19,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:19,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 06:51:19,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 380 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-29 06:51:19,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1361882393] [2020-10-29 06:51:19,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:19,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:51:19,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546051237] [2020-10-29 06:51:19,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:51:19,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:19,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:51:19,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:51:19,253 INFO L87 Difference]: Start difference. First operand 8372 states and 10674 transitions. Second operand 8 states. [2020-10-29 06:51:24,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:24,385 INFO L93 Difference]: Finished difference Result 20803 states and 27954 transitions. [2020-10-29 06:51:24,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 06:51:24,387 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 437 [2020-10-29 06:51:24,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:24,448 INFO L225 Difference]: With dead ends: 20803 [2020-10-29 06:51:24,448 INFO L226 Difference]: Without dead ends: 12625 [2020-10-29 06:51:24,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-29 06:51:24,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12625 states. [2020-10-29 06:51:24,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12625 to 11468. [2020-10-29 06:51:24,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11468 states. [2020-10-29 06:51:24,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11468 states to 11468 states and 14343 transitions. [2020-10-29 06:51:24,846 INFO L78 Accepts]: Start accepts. Automaton has 11468 states and 14343 transitions. Word has length 437 [2020-10-29 06:51:24,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:24,847 INFO L481 AbstractCegarLoop]: Abstraction has 11468 states and 14343 transitions. [2020-10-29 06:51:24,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:51:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 11468 states and 14343 transitions. [2020-10-29 06:51:24,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2020-10-29 06:51:24,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:24,882 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:24,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:51:24,882 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:24,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:24,883 INFO L82 PathProgramCache]: Analyzing trace with hash 967999380, now seen corresponding path program 1 times [2020-10-29 06:51:24,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:24,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915055847] [2020-10-29 06:51:24,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:25,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:25,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:25,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 469 [2020-10-29 06:51:25,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:25,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 731 [2020-10-29 06:51:25,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:25,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:25,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:25,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-29 06:51:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-29 06:51:25,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:25,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:25,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:25,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:25,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:25,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:25,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:51:25,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:25,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:25,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:25,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:25,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:25,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:25,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:51:25,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:25,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 06:51:25,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:25,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:25,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:25,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:25,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:25,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:25,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:51:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:26,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:26,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:26,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:51:26,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:26,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-29 06:51:26,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:26,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-29 06:51:26,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:26,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-29 06:51:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:26,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:26,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:26,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:51:26,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:26,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-29 06:51:26,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:26,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 06:51:26,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 429 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-29 06:51:26,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915055847] [2020-10-29 06:51:26,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:26,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:51:26,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494549319] [2020-10-29 06:51:26,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:51:26,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:26,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:51:26,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:51:26,589 INFO L87 Difference]: Start difference. First operand 11468 states and 14343 transitions. Second operand 8 states. [2020-10-29 06:51:29,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:29,647 INFO L93 Difference]: Finished difference Result 20070 states and 25261 transitions. [2020-10-29 06:51:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:51:29,648 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 453 [2020-10-29 06:51:29,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:29,684 INFO L225 Difference]: With dead ends: 20070 [2020-10-29 06:51:29,684 INFO L226 Difference]: Without dead ends: 11484 [2020-10-29 06:51:29,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:51:29,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11484 states. [2020-10-29 06:51:29,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11484 to 11470. [2020-10-29 06:51:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11470 states. [2020-10-29 06:51:29,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11470 states to 11470 states and 14262 transitions. [2020-10-29 06:51:29,966 INFO L78 Accepts]: Start accepts. Automaton has 11470 states and 14262 transitions. Word has length 453 [2020-10-29 06:51:29,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:29,967 INFO L481 AbstractCegarLoop]: Abstraction has 11470 states and 14262 transitions. [2020-10-29 06:51:29,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:51:29,967 INFO L276 IsEmpty]: Start isEmpty. Operand 11470 states and 14262 transitions. [2020-10-29 06:51:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2020-10-29 06:51:30,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:30,000 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:30,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:51:30,001 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:30,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:30,002 INFO L82 PathProgramCache]: Analyzing trace with hash -516060695, now seen corresponding path program 1 times [2020-10-29 06:51:30,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:30,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847832166] [2020-10-29 06:51:30,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:30,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:30,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:30,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:33,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:33,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 490 [2020-10-29 06:51:33,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:51:33,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3682 [2020-10-29 06:51:33,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:33,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:51:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:51:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 280 [2020-10-29 06:51:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:33,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:33,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:33,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:33,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:33,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:33,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:51:33,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:33,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:33,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:33,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:34,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:34,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:34,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:51:34,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:34,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 06:51:34,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:34,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:34,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:34,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:34,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:51:34,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:34,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:51:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:34,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:34,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:34,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:34,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:51:34,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:51:34,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 324 [2020-10-29 06:51:34,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:34,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:34,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:34,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 06:51:34,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:34,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-29 06:51:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:34,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:34,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:34,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:51:34,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:34,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-29 06:51:34,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:34,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 06:51:34,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 563 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 06:51:34,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847832166] [2020-10-29 06:51:34,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:34,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:51:34,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576344968] [2020-10-29 06:51:34,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:51:34,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:34,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:51:34,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:51:34,964 INFO L87 Difference]: Start difference. First operand 11470 states and 14262 transitions. Second operand 8 states. [2020-10-29 06:51:39,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:39,440 INFO L93 Difference]: Finished difference Result 24591 states and 32442 transitions. [2020-10-29 06:51:39,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 06:51:39,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 474 [2020-10-29 06:51:39,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:39,493 INFO L225 Difference]: With dead ends: 24591 [2020-10-29 06:51:39,493 INFO L226 Difference]: Without dead ends: 13505 [2020-10-29 06:51:39,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-29 06:51:39,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13505 states. [2020-10-29 06:51:39,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13505 to 12442. [2020-10-29 06:51:39,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12442 states. [2020-10-29 06:51:39,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12442 states to 12442 states and 15165 transitions. [2020-10-29 06:51:39,900 INFO L78 Accepts]: Start accepts. Automaton has 12442 states and 15165 transitions. Word has length 474 [2020-10-29 06:51:39,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:39,900 INFO L481 AbstractCegarLoop]: Abstraction has 12442 states and 15165 transitions. [2020-10-29 06:51:39,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:51:39,901 INFO L276 IsEmpty]: Start isEmpty. Operand 12442 states and 15165 transitions. [2020-10-29 06:51:39,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2020-10-29 06:51:39,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:39,930 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:51:39,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:51:39,930 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:39,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:39,931 INFO L82 PathProgramCache]: Analyzing trace with hash -995059978, now seen corresponding path program 1 times [2020-10-29 06:51:39,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:39,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869702813] [2020-10-29 06:51:39,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:40,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:40,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:40,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:42,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:43,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:45,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:45,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 557 [2020-10-29 06:51:45,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:51:45,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5077 [2020-10-29 06:51:45,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:45,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:45,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 06:51:45,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-10-29 06:51:45,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 324 [2020-10-29 06:51:45,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:45,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:45,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:45,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:45,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:45,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:45,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:51:45,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:45,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:45,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:45,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:45,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:45,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:45,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:45,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:45,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:45,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 06:51:45,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:45,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 06:51:45,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:45,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:45,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:45,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:45,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:45,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:45,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 06:51:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:45,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:45,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:45,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:51:45,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:45,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 06:51:45,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:45,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:45,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:45,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:45,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:51:45,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:45,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-29 06:51:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:45,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:45,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:45,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:51:45,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:45,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-29 06:51:45,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:45,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:45,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 06:51:45,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:45,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-10-29 06:51:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:45,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:45,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:45,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:51:45,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:45,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 06:51:45,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:45,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:51:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:45,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 06:51:45,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:46,455 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 555 proven. 82 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-29 06:51:46,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869702813] [2020-10-29 06:51:46,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:46,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:51:46,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340640713] [2020-10-29 06:51:46,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:51:46,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:46,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:51:46,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:51:46,457 INFO L87 Difference]: Start difference. First operand 12442 states and 15165 transitions. Second operand 8 states. [2020-10-29 06:51:50,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:50,200 INFO L93 Difference]: Finished difference Result 26839 states and 32930 transitions. [2020-10-29 06:51:50,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:51:50,201 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 539 [2020-10-29 06:51:50,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:50,248 INFO L225 Difference]: With dead ends: 26839 [2020-10-29 06:51:50,248 INFO L226 Difference]: Without dead ends: 14746 [2020-10-29 06:51:50,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:51:50,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14746 states. [2020-10-29 06:51:50,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14746 to 14732. [2020-10-29 06:51:50,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14732 states. [2020-10-29 06:51:50,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14732 states to 14732 states and 17981 transitions. [2020-10-29 06:51:50,598 INFO L78 Accepts]: Start accepts. Automaton has 14732 states and 17981 transitions. Word has length 539 [2020-10-29 06:51:50,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:50,599 INFO L481 AbstractCegarLoop]: Abstraction has 14732 states and 17981 transitions. [2020-10-29 06:51:50,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:51:50,599 INFO L276 IsEmpty]: Start isEmpty. Operand 14732 states and 17981 transitions. [2020-10-29 06:51:50,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2020-10-29 06:51:50,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:50,633 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-29 06:51:50,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:51:50,633 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:50,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:50,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1592234200, now seen corresponding path program 1 times [2020-10-29 06:51:50,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:50,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162649608] [2020-10-29 06:51:50,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:50,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:51,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:51,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:55,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:55,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 623 [2020-10-29 06:51:55,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:51:55,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 06:51:55,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:55,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-29 06:51:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 06:51:55,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:55,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:55,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:55,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:55,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:55,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:55,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:51:55,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:55,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:55,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:55,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:55,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:55,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:55,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:55,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:56,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:56,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 06:51:56,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:56,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-29 06:51:56,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:56,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:56,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:56,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:56,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-29 06:51:56,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:56,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 06:51:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:56,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:56,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:56,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:51:56,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:56,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-29 06:51:56,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:56,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 06:51:56,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:56,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-29 06:51:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:56,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:56,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:56,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:51:56,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:56,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 06:51:56,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:56,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-29 06:51:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:56,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-10-29 06:51:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:56,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:56,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:56,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 06:51:56,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:56,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 06:51:56,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:56,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-29 06:51:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:56,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:56,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-10-29 06:51:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:56,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:56,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:56,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-29 06:51:56,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:56,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 06:51:56,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:56,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:56,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-29 06:51:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 400 proven. 251 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2020-10-29 06:51:56,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162649608] [2020-10-29 06:51:56,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:56,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:51:56,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522314119] [2020-10-29 06:51:56,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:51:56,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:56,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:51:56,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:51:56,926 INFO L87 Difference]: Start difference. First operand 14732 states and 17981 transitions. Second operand 7 states. [2020-10-29 06:52:00,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:00,125 INFO L93 Difference]: Finished difference Result 30814 states and 37695 transitions. [2020-10-29 06:52:00,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:52:00,126 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 603 [2020-10-29 06:52:00,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:00,171 INFO L225 Difference]: With dead ends: 30814 [2020-10-29 06:52:00,171 INFO L226 Difference]: Without dead ends: 16474 [2020-10-29 06:52:00,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:52:00,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16474 states. [2020-10-29 06:52:00,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16474 to 16070. [2020-10-29 06:52:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16070 states. [2020-10-29 06:52:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16070 states to 16070 states and 19536 transitions. [2020-10-29 06:52:00,542 INFO L78 Accepts]: Start accepts. Automaton has 16070 states and 19536 transitions. Word has length 603 [2020-10-29 06:52:00,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:00,543 INFO L481 AbstractCegarLoop]: Abstraction has 16070 states and 19536 transitions. [2020-10-29 06:52:00,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:52:00,543 INFO L276 IsEmpty]: Start isEmpty. Operand 16070 states and 19536 transitions. [2020-10-29 06:52:00,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2020-10-29 06:52:00,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:52:00,565 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:52:00,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:52:00,565 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:52:00,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:52:00,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1193357393, now seen corresponding path program 1 times [2020-10-29 06:52:00,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:52:00,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478023719] [2020-10-29 06:52:00,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:52:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:00,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:01,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:02,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:02,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:05,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:05,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 639 [2020-10-29 06:52:05,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:52:05,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-29 06:52:05,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:05,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:05,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 06:52:05,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:52:05,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 357 [2020-10-29 06:52:05,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:05,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:52:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:05,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:05,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:05,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:52:05,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:05,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 06:52:05,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:05,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:05,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:52:05,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:05,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:52:05,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:05,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:52:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:05,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:06,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:06,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:52:06,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-29 06:52:06,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:06,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-29 06:52:06,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:06,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:52:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:06,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:06,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:06,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:52:06,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:06,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-29 06:52:06,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:06,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:06,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:52:06,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:06,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 06:52:06,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:06,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-29 06:52:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:06,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:06,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:06,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:06,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:52:06,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:52:06,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-29 06:52:06,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:06,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:06,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:06,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:06,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 06:52:06,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:52:06,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-29 06:52:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:06,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:07,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:07,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 06:52:07,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 06:52:07,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:07,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-29 06:52:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:07,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:07,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-10-29 06:52:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:07,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:07,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:07,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-29 06:52:07,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:07,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 06:52:07,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:07,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-29 06:52:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:07,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:07,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 528 proven. 546 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-10-29 06:52:07,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478023719] [2020-10-29 06:52:07,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:52:07,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 06:52:07,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399508705] [2020-10-29 06:52:07,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 06:52:07,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:52:07,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 06:52:07,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:52:07,420 INFO L87 Difference]: Start difference. First operand 16070 states and 19536 transitions. Second operand 10 states. [2020-10-29 06:52:14,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:14,570 INFO L93 Difference]: Finished difference Result 38689 states and 50771 transitions. [2020-10-29 06:52:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 06:52:14,571 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 619 [2020-10-29 06:52:14,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:14,672 INFO L225 Difference]: With dead ends: 38689 [2020-10-29 06:52:14,673 INFO L226 Difference]: Without dead ends: 25317 [2020-10-29 06:52:14,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2020-10-29 06:52:14,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25317 states. [2020-10-29 06:52:15,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25317 to 24112. [2020-10-29 06:52:15,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24112 states. [2020-10-29 06:52:15,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24112 states to 24112 states and 28972 transitions. [2020-10-29 06:52:15,408 INFO L78 Accepts]: Start accepts. Automaton has 24112 states and 28972 transitions. Word has length 619 [2020-10-29 06:52:15,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:15,410 INFO L481 AbstractCegarLoop]: Abstraction has 24112 states and 28972 transitions. [2020-10-29 06:52:15,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 06:52:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 24112 states and 28972 transitions. [2020-10-29 06:52:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2020-10-29 06:52:15,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:52:15,440 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 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] [2020-10-29 06:52:15,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 06:52:15,441 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:52:15,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:52:15,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1584065741, now seen corresponding path program 1 times [2020-10-29 06:52:15,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:52:15,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479466819] [2020-10-29 06:52:15,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:52:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:15,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:15,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:15,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:20,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:20,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 657 [2020-10-29 06:52:20,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:52:20,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-29 06:52:20,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:20,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-29 06:52:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-29 06:52:20,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:20,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:52:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:20,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:20,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:20,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:52:20,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:20,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:52:20,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:20,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:20,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:52:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:20,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:21,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:21,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 06:52:21,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:21,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-29 06:52:21,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:21,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:21,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:52:21,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:21,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-29 06:52:21,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:21,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 06:52:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:21,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:21,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:21,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-29 06:52:21,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:21,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-29 06:52:21,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:21,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-29 06:52:21,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:21,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-10-29 06:52:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:21,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:21,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:21,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 06:52:21,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 06:52:21,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:21,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-29 06:52:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:21,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2020-10-29 06:52:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:21,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:21,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:21,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 06:52:21,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:21,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 06:52:21,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:21,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:21,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:21,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-29 06:52:21,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:21,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:21,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2020-10-29 06:52:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:21,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:21,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:21,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-29 06:52:21,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:21,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 06:52:21,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:21,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-29 06:52:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:21,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1315 backedges. 424 proven. 294 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2020-10-29 06:52:21,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479466819] [2020-10-29 06:52:21,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:52:21,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:52:21,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418051051] [2020-10-29 06:52:21,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:52:21,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:52:21,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:52:21,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:52:21,799 INFO L87 Difference]: Start difference. First operand 24112 states and 28972 transitions. Second operand 7 states. [2020-10-29 06:52:26,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:26,509 INFO L93 Difference]: Finished difference Result 47529 states and 59433 transitions. [2020-10-29 06:52:26,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:52:26,510 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 637 [2020-10-29 06:52:26,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:26,590 INFO L225 Difference]: With dead ends: 47529 [2020-10-29 06:52:26,590 INFO L226 Difference]: Without dead ends: 26131 [2020-10-29 06:52:26,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:52:26,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26131 states. [2020-10-29 06:52:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26131 to 25060. [2020-10-29 06:52:27,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25060 states. [2020-10-29 06:52:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25060 states to 25060 states and 30035 transitions. [2020-10-29 06:52:27,292 INFO L78 Accepts]: Start accepts. Automaton has 25060 states and 30035 transitions. Word has length 637 [2020-10-29 06:52:27,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:27,293 INFO L481 AbstractCegarLoop]: Abstraction has 25060 states and 30035 transitions. [2020-10-29 06:52:27,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:52:27,293 INFO L276 IsEmpty]: Start isEmpty. Operand 25060 states and 30035 transitions. [2020-10-29 06:52:27,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 659 [2020-10-29 06:52:27,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:52:27,325 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:52:27,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 06:52:27,325 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:52:27,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:52:27,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1904630564, now seen corresponding path program 1 times [2020-10-29 06:52:27,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:52:27,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754622728] [2020-10-29 06:52:27,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:52:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:27,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:27,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:27,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:28,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:29,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:32,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:32,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 678 [2020-10-29 06:52:32,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:52:32,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-29 06:52:32,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:32,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:32,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 06:52:32,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-29 06:52:32,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 330 [2020-10-29 06:52:32,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:32,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:52:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:32,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:32,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:32,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:52:32,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:32,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:52:32,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:32,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:32,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:32,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:32,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:32,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:32,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:52:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:32,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:32,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:32,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-29 06:52:32,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:32,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-29 06:52:32,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:32,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:32,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:52:32,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:52:32,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 06:52:32,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:32,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-29 06:52:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:32,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:32,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:32,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 06:52:32,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 06:52:32,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:32,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:52:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 06:52:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:32,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-29 06:52:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:32,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:33,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:33,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:33,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:33,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:52:33,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:52:33,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-29 06:52:33,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:33,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:33,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:33,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:33,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 06:52:33,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:33,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2020-10-29 06:52:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:33,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:33,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:33,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 06:52:33,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:33,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 06:52:33,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:33,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:52:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:52:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-29 06:52:33,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:33,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-10-29 06:52:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:52:33,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:52:33,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:52:33,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-29 06:52:33,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:52:33,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 06:52:33,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:52:33,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:52:33,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:52:33,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-29 06:52:33,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:52:33,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:52:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 637 proven. 283 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2020-10-29 06:52:33,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754622728] [2020-10-29 06:52:33,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:52:33,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 06:52:33,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025399943] [2020-10-29 06:52:33,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 06:52:33,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:52:33,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 06:52:33,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 06:52:33,856 INFO L87 Difference]: Start difference. First operand 25060 states and 30035 transitions. Second operand 9 states. [2020-10-29 06:52:39,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:52:39,243 INFO L93 Difference]: Finished difference Result 40223 states and 49162 transitions. [2020-10-29 06:52:39,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 06:52:39,244 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 658 [2020-10-29 06:52:39,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:52:39,246 INFO L225 Difference]: With dead ends: 40223 [2020-10-29 06:52:39,246 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:52:39,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-10-29 06:52:39,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:52:39,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:52:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:52:39,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:52:39,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 658 [2020-10-29 06:52:39,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:52:39,302 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:52:39,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 06:52:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:52:39,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:52:39,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 06:52:39,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:52:40,487 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2020-10-29 06:52:41,326 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 125 [2020-10-29 06:52:41,567 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2020-10-29 06:52:41,911 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 132 [2020-10-29 06:52:42,137 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2020-10-29 06:52:42,449 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2020-10-29 06:52:42,899 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2020-10-29 06:52:43,262 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 132 [2020-10-29 06:52:43,710 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2020-10-29 06:52:48,929 WARN L193 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 1178 DAG size of output: 912 [2020-10-29 06:52:53,980 WARN L193 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 1178 DAG size of output: 912 [2020-10-29 06:52:54,224 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 37 [2020-10-29 06:52:56,510 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 277 DAG size of output: 85 [2020-10-29 06:53:02,307 WARN L193 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 528 DAG size of output: 101 [2020-10-29 06:53:15,366 WARN L193 SmtUtils]: Spent 13.05 s on a formula simplification. DAG size of input: 912 DAG size of output: 97 [2020-10-29 06:53:28,615 WARN L193 SmtUtils]: Spent 13.17 s on a formula simplification. DAG size of input: 912 DAG size of output: 97 [2020-10-29 06:53:28,620 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:53:28,620 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:53:28,620 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:53:28,621 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:53:28,621 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:53:28,621 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-29 06:53:28,621 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:53:28,622 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,622 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,622 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,622 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,622 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:53:28,622 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:53:28,622 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,622 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,622 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,622 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,622 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,623 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,623 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-29 06:53:28,623 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-29 06:53:28,623 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-29 06:53:28,623 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,623 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,623 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,623 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,623 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,623 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,623 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,624 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:53:28,625 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,626 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,626 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,626 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,626 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,626 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,626 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,626 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,626 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,626 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,626 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-29 06:53:28,626 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-29 06:53:28,626 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-29 06:53:28,627 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,627 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,627 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,627 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,627 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,627 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,627 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-29 06:53:28,627 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-29 06:53:28,627 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-29 06:53:28,627 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,627 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,627 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,628 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,628 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:53:28,628 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:53:28,628 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,628 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,628 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,628 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,628 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,628 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,628 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:53:28,628 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:53:28,629 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,629 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,629 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-29 06:53:28,629 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-29 06:53:28,629 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-29 06:53:28,629 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,629 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,629 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,629 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,629 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,630 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,630 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,630 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-29 06:53:28,630 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-29 06:53:28,630 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-29 06:53:28,630 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:53:28,630 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:53:28,630 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:53:28,630 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:53:28,630 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,631 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse9 (= ~a25~0 |old(~a25~0)|)) (.cse10 (= ~a23~0 |old(~a23~0)|)) (.cse11 (= ~a29~0 |old(~a29~0)|))) (let ((.cse5 (not (<= 10 |old(~a25~0)|))) (.cse6 (not (<= |old(~a23~0)| 600000))) (.cse7 (not (<= |old(~a4~0)| 1))) (.cse8 (not (<= 1 |old(~a4~0)|))) (.cse15 (not (<= |old(~a25~0)| 9))) (.cse13 (not (<= 246 |old(~a29~0)|))) (.cse12 (not (<= 12 |old(~a25~0)|))) (.cse0 (not (= ~a8~0 15))) (.cse1 (not (<= 0 (+ |old(~a29~0)| 580294)))) (.cse2 (not (<= (+ |old(~a23~0)| 55) 0))) (.cse3 (and .cse9 .cse10 .cse11 (= ~a4~0 |old(~a4~0)|))) (.cse14 (not (<= |old(~a29~0)| 275))) (.cse4 (not (= ~a3~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= |old(~a29~0)| 130)) .cse4) (or .cse5 (not (<= |old(~a25~0)| 10)) .cse6 .cse3 .cse7 .cse8) (or (not (= |old(~a4~0)| 1)) (and .cse9 .cse10 .cse11 (= ~a4~0 1)) .cse0 (not (<= 0 (+ |old(~a23~0)| 42))) (not (<= |old(~a23~0)| 137)) (not (= 9 |old(~a25~0)|)) .cse4) (or .cse12 (not (<= |old(~a29~0)| 231)) .cse0 .cse6 .cse1 .cse3 .cse7 .cse4 .cse8) (or .cse0 .cse6 .cse13 .cse3 .cse7 .cse4 .cse8) (or .cse12 .cse2 .cse3 .cse13 .cse14) (or .cse12 (not (<= |old(~a23~0)| 312)) .cse3 .cse7 .cse8) (or (= 12 |old(~a25~0)|) .cse12 .cse6 .cse3 .cse7 .cse8) (or .cse5 (and (<= 1 ~a4~0) .cse9 .cse10 .cse11 (<= ~a4~0 1)) .cse7 .cse8 (not (<= |old(~a23~0)| 138))) (or .cse15 .cse0 .cse6 .cse1 .cse3 .cse7 .cse4 .cse8) (or .cse15 .cse0 .cse2 .cse13 .cse3 .cse4) (or .cse12 .cse0 .cse1 .cse2 .cse3 .cse14 .cse4)))) [2020-10-29 06:53:28,631 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,631 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:53:28,631 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:53:28,631 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,631 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,631 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,632 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,632 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,632 INFO L270 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (let ((.cse4 (not (<= |old(~a25~0)| 9))) (.cse2 (not (<= 246 |old(~a29~0)|))) (.cse3 (not (<= |old(~a29~0)| 275))) (.cse11 (not (<= 10 |old(~a25~0)|))) (.cse0 (not (<= 12 |old(~a25~0)|))) (.cse6 (not (<= |old(~a23~0)| 600000))) (.cse8 (not (<= |old(~a4~0)| 1))) (.cse10 (not (<= 1 |old(~a4~0)|))) (.cse5 (not (= ~a8~0 15))) (.cse7 (not (<= 0 (+ |old(~a29~0)| 580294)))) (.cse1 (not (<= (+ |old(~a23~0)| 55) 0))) (.cse9 (not (= ~a3~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or (= 12 |old(~a25~0)|) .cse0 .cse6 .cse8 .cse10) (or .cse4 .cse5 .cse1 .cse2 .cse9) (or .cse5 .cse6 .cse2 .cse8 .cse9 .cse10) (or .cse11 .cse8 .cse10 (not (<= |old(~a23~0)| 138))) (or .cse0 .cse5 .cse7 .cse1 .cse3 .cse9) (or .cse0 (not (<= |old(~a23~0)| 312)) .cse8 .cse10) (or .cse11 (not (<= |old(~a25~0)| 10)) .cse6 .cse8 .cse10) (or .cse0 (not (<= |old(~a29~0)| 231)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or (not (= |old(~a4~0)| 1)) .cse5 (not (<= 0 (+ |old(~a23~0)| 42))) (not (<= |old(~a23~0)| 137)) (not (= 9 |old(~a25~0)|)) .cse9) (or .cse5 .cse7 .cse1 (not (<= |old(~a29~0)| 130)) .cse9))) [2020-10-29 06:53:28,632 INFO L274 CegarLoopResult]: For program point L194-1(line 194) no Hoare annotation was computed. [2020-10-29 06:53:28,632 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-29 06:53:28,632 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-29 06:53:28,632 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,632 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,633 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,633 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,633 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,633 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,633 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-29 06:53:28,633 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-29 06:53:28,633 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-29 06:53:28,633 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,633 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,633 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,633 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,634 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,634 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,634 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,634 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,634 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-29 06:53:28,634 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-29 06:53:28,634 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-29 06:53:28,634 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,634 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,634 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,634 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-29 06:53:28,635 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,636 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:53:28,637 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:53:28,637 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,637 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,637 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,637 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,637 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,637 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-29 06:53:28,637 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-29 06:53:28,637 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,637 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,637 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:53:28,637 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,638 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,639 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,640 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,640 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,640 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,640 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,640 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,640 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-29 06:53:28,640 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-29 06:53:28,640 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,640 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,640 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,640 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,640 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,641 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,642 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,642 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-29 06:53:28,642 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-29 06:53:28,642 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-29 06:53:28,642 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,642 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:53:28,642 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,642 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:53:28,642 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,642 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,642 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,642 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,643 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,643 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,643 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-29 06:53:28,643 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-29 06:53:28,643 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-29 06:53:28,643 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,643 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,643 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,643 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,643 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,643 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,644 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,644 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,644 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,644 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,644 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-29 06:53:28,644 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-29 06:53:28,644 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-29 06:53:28,644 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,644 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:53:28,644 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:53:28,644 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,645 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,645 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:53:28,645 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,645 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,645 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-29 06:53:28,645 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-29 06:53:28,645 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-29 06:53:28,645 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-29 06:53:28,645 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:53:28,645 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 1 ~a4~0) (<= 10 ~a25~0) (= ~a8~0 15) (= ~a29~0 130) (= ~a3~0 1) (<= ~a4~0 1) (= ~a23~0 312)) [2020-10-29 06:53:28,646 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:53:28,646 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:53:28,646 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (not (<= |old(~a25~0)| 10)) (not (= 312 |old(~a23~0)|)) (not (= 130 |old(~a29~0)|)) (not (= ~a8~0 15)) (and (= ~a25~0 |old(~a25~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a29~0 130) (= ~a23~0 312)) (not (<= |old(~a4~0)| 1)) (not (= ~a3~0 1)) (not (<= 1 |old(~a4~0)|))) [2020-10-29 06:53:28,646 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:53:28,646 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse2 (<= 12 ~a25~0)) (.cse0 (<= 0 (+ ~a29~0 580294))) (.cse6 (<= 10 ~a25~0)) (.cse3 (<= 1 ~a4~0)) (.cse4 (<= ~a23~0 600000)) (.cse5 (<= ~a4~0 1)) (.cse7 (<= ~a25~0 9)) (.cse8 (or (<= ~a29~0 140) (<= 246 ~a29~0))) (.cse1 (<= (+ ~a23~0 55) 0))) (or (not (<= 10 |old(~a25~0)|)) (and (<= ~a29~0 130) .cse0 .cse1) (not (= ~a8~0 15)) (and (<= ~a29~0 275) .cse2 .cse0 .cse1) (and (<= ~a29~0 231) .cse3 .cse4 .cse0 .cse5 .cse2) (and (not (= ~a25~0 12)) .cse3 .cse4 .cse5 .cse2) (not (<= |old(~a4~0)| 1)) (not (= ~a3~0 1)) (not (<= 1 |old(~a4~0)|)) (and (<= ~a23~0 138) .cse3 .cse6 .cse5) (not (<= |old(~a25~0)| 10)) (and .cse3 (<= ~a23~0 312) .cse5 .cse2) (and .cse3 .cse7 .cse4 .cse5 .cse0) (and (= ~a25~0 9) (<= ~a23~0 137) (<= 0 (+ ~a23~0 42)) (= ~a4~0 1)) (not (= 312 |old(~a23~0)|)) (and (<= ~a25~0 10) .cse3 .cse6 .cse4 .cse5) (not (= 130 |old(~a29~0)|)) (and .cse3 .cse8 (<= 211 ~a29~0) .cse4 .cse5) (and .cse7 (<= 245 ~a29~0) .cse8 .cse1))) [2020-10-29 06:53:28,646 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-29 06:53:28,646 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-29 06:53:28,647 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse2 (<= 12 ~a25~0)) (.cse0 (<= 0 (+ ~a29~0 580294))) (.cse6 (<= 10 ~a25~0)) (.cse3 (<= 1 ~a4~0)) (.cse4 (<= ~a23~0 600000)) (.cse5 (<= ~a4~0 1)) (.cse7 (<= ~a25~0 9)) (.cse8 (or (<= ~a29~0 140) (<= 246 ~a29~0))) (.cse1 (<= (+ ~a23~0 55) 0))) (or (not (<= 10 |old(~a25~0)|)) (and (<= ~a29~0 130) .cse0 .cse1) (not (= ~a8~0 15)) (and (<= ~a29~0 275) .cse2 .cse0 .cse1) (and (<= ~a29~0 231) .cse3 .cse4 .cse0 .cse5 .cse2) (and (not (= ~a25~0 12)) .cse3 .cse4 .cse5 .cse2) (not (<= |old(~a4~0)| 1)) (not (= ~a3~0 1)) (not (<= 1 |old(~a4~0)|)) (and (<= ~a23~0 138) .cse3 .cse6 .cse5) (not (<= |old(~a25~0)| 10)) (and .cse3 (<= ~a23~0 312) .cse5 .cse2) (and .cse3 .cse7 .cse4 .cse5 .cse0) (and (= ~a25~0 9) (<= ~a23~0 137) (<= 0 (+ ~a23~0 42)) (= ~a4~0 1)) (not (= 312 |old(~a23~0)|)) (and (<= ~a25~0 10) .cse3 .cse6 .cse4 .cse5) (not (= 130 |old(~a29~0)|)) (and .cse3 .cse8 (<= 211 ~a29~0) .cse4 .cse5) (and .cse7 (<= 245 ~a29~0) .cse8 .cse1))) [2020-10-29 06:53:28,647 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:53:28,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:53:28 BoogieIcfgContainer [2020-10-29 06:53:28,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:53:28,680 INFO L168 Benchmark]: Toolchain (without parser) took 191616.31 ms. Allocated memory was 160.4 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 132.0 MB in the beginning and 1.0 GB in the end (delta: -879.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-10-29 06:53:28,681 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 160.4 MB. Free memory is still 135.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:53:28,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.38 ms. Allocated memory is still 160.4 MB. Free memory was 131.4 MB in the beginning and 87.3 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. [2020-10-29 06:53:28,682 INFO L168 Benchmark]: Boogie Preprocessor took 154.59 ms. Allocated memory is still 160.4 MB. Free memory was 87.3 MB in the beginning and 79.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:53:28,686 INFO L168 Benchmark]: RCFGBuilder took 1916.67 ms. Allocated memory was 160.4 MB in the beginning and 217.1 MB in the end (delta: 56.6 MB). Free memory was 79.6 MB in the beginning and 122.2 MB in the end (delta: -42.5 MB). Peak memory consumption was 36.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:53:28,689 INFO L168 Benchmark]: TraceAbstraction took 188704.83 ms. Allocated memory was 217.1 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 121.7 MB in the beginning and 1.0 GB in the end (delta: -889.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-10-29 06:53:28,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 160.4 MB. Free memory is still 135.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 828.38 ms. Allocated memory is still 160.4 MB. Free memory was 131.4 MB in the beginning and 87.3 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 154.59 ms. Allocated memory is still 160.4 MB. Free memory was 87.3 MB in the beginning and 79.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1916.67 ms. Allocated memory was 160.4 MB in the beginning and 217.1 MB in the end (delta: 56.6 MB). Free memory was 79.6 MB in the beginning and 122.2 MB in the end (delta: -42.5 MB). Peak memory consumption was 36.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 188704.83 ms. Allocated memory was 217.1 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 121.7 MB in the beginning and 1.0 GB in the end (delta: -889.8 MB). Peak memory consumption was 1.3 GB. 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: 1036]: Loop Invariant Derived loop invariant: (((((((((((((((((!(10 <= \old(a25)) || ((a29 <= 130 && 0 <= a29 + 580294) && a23 + 55 <= 0)) || !(a8 == 15)) || (((a29 <= 275 && 12 <= a25) && 0 <= a29 + 580294) && a23 + 55 <= 0)) || (((((a29 <= 231 && 1 <= a4) && a23 <= 600000) && 0 <= a29 + 580294) && a4 <= 1) && 12 <= a25)) || ((((!(a25 == 12) && 1 <= a4) && a23 <= 600000) && a4 <= 1) && 12 <= a25)) || !(\old(a4) <= 1)) || !(a3 == 1)) || !(1 <= \old(a4))) || (((a23 <= 138 && 1 <= a4) && 10 <= a25) && a4 <= 1)) || !(\old(a25) <= 10)) || (((1 <= a4 && a23 <= 312) && a4 <= 1) && 12 <= a25)) || ((((1 <= a4 && a25 <= 9) && a23 <= 600000) && a4 <= 1) && 0 <= a29 + 580294)) || (((a25 == 9 && a23 <= 137) && 0 <= a23 + 42) && a4 == 1)) || !(312 == \old(a23))) || ((((a25 <= 10 && 1 <= a4) && 10 <= a25) && a23 <= 600000) && a4 <= 1)) || !(130 == \old(a29))) || ((((1 <= a4 && (a29 <= 140 || 246 <= a29)) && 211 <= a29) && a23 <= 600000) && a4 <= 1)) || (((a25 <= 9 && 245 <= a29) && (a29 <= 140 || 246 <= a29)) && a23 + 55 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 139.2s, OverallIterations: 16, TraceHistogramMax: 6, AutomataDifference: 68.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 49.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 899 SDtfs, 14066 SDslu, 1742 SDs, 0 SdLazy, 28421 SolverSat, 5232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25060occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 9826 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1802 PreInvPairs, 2178 NumberOfFragments, 1311 HoareAnnotationTreeSize, 1802 FomulaSimplifications, 421040482 FormulaSimplificationTreeSizeReduction, 14.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 17026418 FormulaSimplificationTreeSizeReductionInter, 34.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 62.2s InterpolantComputationTime, 6077 NumberOfCodeBlocks, 6077 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 6061 ConstructedInterpolants, 0 QuantifiedInterpolants, 6617137 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 7054/8650 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...