/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/Problem14_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 07:30:34,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 07:30:34,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 07:30:34,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 07:30:34,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 07:30:34,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 07:30:34,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 07:30:34,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 07:30:34,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 07:30:34,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 07:30:34,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 07:30:34,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 07:30:34,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 07:30:34,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 07:30:34,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 07:30:34,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 07:30:34,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 07:30:34,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 07:30:34,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 07:30:34,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 07:30:34,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 07:30:34,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 07:30:34,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 07:30:34,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 07:30:34,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 07:30:34,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 07:30:34,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 07:30:34,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 07:30:34,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 07:30:34,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 07:30:34,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 07:30:34,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 07:30:34,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 07:30:34,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 07:30:34,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 07:30:34,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 07:30:34,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 07:30:34,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 07:30:34,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 07:30:34,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 07:30:34,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 07:30:34,530 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 07:30:34,554 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 07:30:34,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 07:30:34,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 07:30:34,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 07:30:34,557 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 07:30:34,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 07:30:34,557 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 07:30:34,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 07:30:34,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 07:30:34,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 07:30:34,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 07:30:34,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 07:30:34,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 07:30:34,559 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 07:30:34,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 07:30:34,559 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 07:30:34,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 07:30:34,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 07:30:34,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 07:30:34,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 07:30:34,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 07:30:34,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 07:30:34,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 07:30:34,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 07:30:34,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 07:30:34,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 07:30:34,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 07:30:34,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 07:30:34,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 07:30:34,563 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 07:30:34,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 07:30:34,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 07:30:34,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 07:30:34,997 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 07:30:34,998 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 07:30:35,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label20.c [2020-10-29 07:30:35,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/411c1b21b/ae770872ca7f45a6a9fa2a9910b76146/FLAGb346cb05e [2020-10-29 07:30:35,829 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 07:30:35,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label20.c [2020-10-29 07:30:35,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/411c1b21b/ae770872ca7f45a6a9fa2a9910b76146/FLAGb346cb05e [2020-10-29 07:30:36,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/411c1b21b/ae770872ca7f45a6a9fa2a9910b76146 [2020-10-29 07:30:36,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 07:30:36,079 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 07:30:36,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 07:30:36,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 07:30:36,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 07:30:36,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 07:30:36" (1/1) ... [2020-10-29 07:30:36,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5505058b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:30:36, skipping insertion in model container [2020-10-29 07:30:36,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 07:30:36" (1/1) ... [2020-10-29 07:30:36,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 07:30:36,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 07:30:36,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 07:30:36,742 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 07:30:36,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 07:30:36,909 INFO L208 MainTranslator]: Completed translation [2020-10-29 07:30:36,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:30:36 WrapperNode [2020-10-29 07:30:36,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 07:30:36,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 07:30:36,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 07:30:36,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 07:30:36,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:30:36" (1/1) ... [2020-10-29 07:30:36,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:30:36" (1/1) ... [2020-10-29 07:30:36,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:30:36" (1/1) ... [2020-10-29 07:30:36,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:30:36" (1/1) ... [2020-10-29 07:30:37,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:30:36" (1/1) ... [2020-10-29 07:30:37,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:30:36" (1/1) ... [2020-10-29 07:30:37,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:30:36" (1/1) ... [2020-10-29 07:30:37,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 07:30:37,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 07:30:37,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 07:30:37,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 07:30:37,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:30:36" (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 07:30:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 07:30:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 07:30:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 07:30:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 07:30:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 07:30:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 07:30:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 07:30:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 07:30:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 07:30:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 07:30:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 07:30:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 07:30:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 07:30:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 07:30:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 07:30:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 07:30:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 07:30:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 07:30:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 07:30:38,688 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 07:30:38,688 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 07:30:38,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 07:30:38 BoogieIcfgContainer [2020-10-29 07:30:38,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 07:30:38,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 07:30:38,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 07:30:38,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 07:30:38,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 07:30:36" (1/3) ... [2020-10-29 07:30:38,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42064ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 07:30:38, skipping insertion in model container [2020-10-29 07:30:38,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:30:36" (2/3) ... [2020-10-29 07:30:38,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42064ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 07:30:38, skipping insertion in model container [2020-10-29 07:30:38,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 07:30:38" (3/3) ... [2020-10-29 07:30:38,701 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label20.c [2020-10-29 07:30:38,713 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 07:30:38,719 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 07:30:38,731 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 07:30:38,761 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 07:30:38,761 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 07:30:38,761 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 07:30:38,761 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 07:30:38,761 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 07:30:38,761 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 07:30:38,762 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 07:30:38,762 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 07:30:38,787 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-29 07:30:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-29 07:30:38,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:30:38,798 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] [2020-10-29 07:30:38,799 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:30:38,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:30:38,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1481272762, now seen corresponding path program 1 times [2020-10-29 07:30:38,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:30:38,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811029444] [2020-10-29 07:30:38,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:30:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:39,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:39,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:39,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:30:39,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:39,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-29 07:30:39,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:39,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:30:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:30:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 07:30:39,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 07:30:39,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:30:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:39,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:39,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:39,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:30:39,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:39,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 07:30:39,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:39,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:30:39,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:39,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:30:39,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:39,937 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 07:30:39,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811029444] [2020-10-29 07:30:39,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 07:30:39,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 07:30:39,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997548496] [2020-10-29 07:30:39,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 07:30:39,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:30:39,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 07:30:39,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 07:30:39,974 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 4 states. [2020-10-29 07:30:42,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:30:42,557 INFO L93 Difference]: Finished difference Result 703 states and 1246 transitions. [2020-10-29 07:30:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 07:30:42,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2020-10-29 07:30:42,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:30:42,576 INFO L225 Difference]: With dead ends: 703 [2020-10-29 07:30:42,577 INFO L226 Difference]: Without dead ends: 381 [2020-10-29 07:30:42,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 07:30:42,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-29 07:30:42,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 377. [2020-10-29 07:30:42,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-10-29 07:30:42,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 553 transitions. [2020-10-29 07:30:42,678 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 553 transitions. Word has length 67 [2020-10-29 07:30:42,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:30:42,679 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 553 transitions. [2020-10-29 07:30:42,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 07:30:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 553 transitions. [2020-10-29 07:30:42,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-29 07:30:42,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:30:42,687 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:30:42,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 07:30:42,688 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:30:42,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:30:42,689 INFO L82 PathProgramCache]: Analyzing trace with hash -77381511, now seen corresponding path program 1 times [2020-10-29 07:30:42,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:30:42,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868156737] [2020-10-29 07:30:42,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:30:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:42,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:42,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:43,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:44,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:44,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 07:30:44,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:30:44,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1525 [2020-10-29 07:30:44,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:44,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:44,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:44,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-29 07:30:44,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 07:30:44,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 07:30:44,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:30:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:44,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:44,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:44,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:30:44,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:44,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 07:30:44,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:44,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:44,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:44,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:30:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:44,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:44,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:44,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 07:30:44,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:44,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-29 07:30:44,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:44,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:44,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:30:44,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:44,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 07:30:44,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:44,636 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:30:44,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868156737] [2020-10-29 07:30:44,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:30:44,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 07:30:44,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853504553] [2020-10-29 07:30:44,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 07:30:44,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:30:44,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 07:30:44,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 07:30:44,641 INFO L87 Difference]: Start difference. First operand 377 states and 553 transitions. Second operand 5 states. [2020-10-29 07:30:46,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:30:46,985 INFO L93 Difference]: Finished difference Result 1120 states and 1664 transitions. [2020-10-29 07:30:46,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 07:30:46,986 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-29 07:30:46,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:30:46,995 INFO L225 Difference]: With dead ends: 1120 [2020-10-29 07:30:46,995 INFO L226 Difference]: Without dead ends: 749 [2020-10-29 07:30:46,998 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 07:30:47,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2020-10-29 07:30:47,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 745. [2020-10-29 07:30:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-10-29 07:30:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1000 transitions. [2020-10-29 07:30:47,051 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1000 transitions. Word has length 136 [2020-10-29 07:30:47,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:30:47,053 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 1000 transitions. [2020-10-29 07:30:47,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 07:30:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1000 transitions. [2020-10-29 07:30:47,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-29 07:30:47,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:30:47,065 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, 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] [2020-10-29 07:30:47,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 07:30:47,066 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:30:47,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:30:47,067 INFO L82 PathProgramCache]: Analyzing trace with hash 67293378, now seen corresponding path program 1 times [2020-10-29 07:30:47,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:30:47,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074698747] [2020-10-29 07:30:47,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:30:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:47,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:47,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:47,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:47,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:51,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:52,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:52,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-29 07:30:52,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:30:52,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 07:30:52,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:52,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:52,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:52,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-29 07:30:52,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 07:30:52,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:52,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:30:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:52,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:52,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:52,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:30:52,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:52,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 07:30:52,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:52,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:52,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:52,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:52,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:30:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:52,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:52,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:52,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 07:30:52,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:52,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 07:30:52,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:52,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:52,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:30:52,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:52,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 07:30:52,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:52,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 07:30:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:52,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:52,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:52,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:30:52,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:52,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-29 07:30:52,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:52,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:30:52,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 07:30:52,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 07:30:52,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074698747] [2020-10-29 07:30:52,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:30:52,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:30:52,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880302715] [2020-10-29 07:30:52,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:30:52,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:30:52,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:30:52,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:30:52,916 INFO L87 Difference]: Start difference. First operand 745 states and 1000 transitions. Second operand 7 states. [2020-10-29 07:30:55,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:30:55,785 INFO L93 Difference]: Finished difference Result 1872 states and 2576 transitions. [2020-10-29 07:30:55,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 07:30:55,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 219 [2020-10-29 07:30:55,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:30:55,800 INFO L225 Difference]: With dead ends: 1872 [2020-10-29 07:30:55,800 INFO L226 Difference]: Without dead ends: 765 [2020-10-29 07:30:55,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:30:55,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2020-10-29 07:30:55,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 747. [2020-10-29 07:30:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-10-29 07:30:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 831 transitions. [2020-10-29 07:30:55,859 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 831 transitions. Word has length 219 [2020-10-29 07:30:55,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:30:55,866 INFO L481 AbstractCegarLoop]: Abstraction has 747 states and 831 transitions. [2020-10-29 07:30:55,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:30:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 831 transitions. [2020-10-29 07:30:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-29 07:30:55,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:30:55,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:30:55,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 07:30:55,879 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:30:55,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:30:55,880 INFO L82 PathProgramCache]: Analyzing trace with hash 779900565, now seen corresponding path program 1 times [2020-10-29 07:30:55,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:30:55,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160671028] [2020-10-29 07:30:55,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:30:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:55,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:56,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:57,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:59,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:59,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-29 07:30:59,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:30:59,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3608 [2020-10-29 07:30:59,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:59,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:59,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:30:59,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:30:59,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-29 07:30:59,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:59,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:30:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:59,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:59,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:59,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:30:59,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:59,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 07:30:59,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:59,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:30:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:30:59,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:59,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:30:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:59,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:59,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:59,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:30:59,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:59,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-29 07:30:59,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:59,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:59,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:59,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:30:59,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:30:59,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:31:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:31:00,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160671028] [2020-10-29 07:31:00,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 07:31:00,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 07:31:00,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689992852] [2020-10-29 07:31:00,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:31:00,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:00,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:31:00,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:31:00,219 INFO L87 Difference]: Start difference. First operand 747 states and 831 transitions. Second operand 7 states. [2020-10-29 07:31:02,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:02,103 INFO L93 Difference]: Finished difference Result 1692 states and 1886 transitions. [2020-10-29 07:31:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:31:02,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 246 [2020-10-29 07:31:02,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:02,112 INFO L225 Difference]: With dead ends: 1692 [2020-10-29 07:31:02,112 INFO L226 Difference]: Without dead ends: 951 [2020-10-29 07:31:02,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 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 07:31:02,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2020-10-29 07:31:02,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 933. [2020-10-29 07:31:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2020-10-29 07:31:02,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1023 transitions. [2020-10-29 07:31:02,158 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1023 transitions. Word has length 246 [2020-10-29 07:31:02,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:02,159 INFO L481 AbstractCegarLoop]: Abstraction has 933 states and 1023 transitions. [2020-10-29 07:31:02,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:31:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1023 transitions. [2020-10-29 07:31:02,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-10-29 07:31:02,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:02,166 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 07:31:02,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 07:31:02,166 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:02,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:02,167 INFO L82 PathProgramCache]: Analyzing trace with hash 517265458, now seen corresponding path program 1 times [2020-10-29 07:31:02,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:02,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1975471525] [2020-10-29 07:31:02,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:02,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:02,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:02,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:07,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:07,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 369 [2020-10-29 07:31:07,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:31:07,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 07:31:07,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:07,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:07,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:07,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-29 07:31:07,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:31:07,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:07,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:07,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:07,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:07,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:07,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:07,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 07:31:07,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:07,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:07,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:07,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 07:31:07,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:07,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:07,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:07,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:31:07,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:07,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 07:31:07,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:07,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:07,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:07,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:07,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:31:07,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:07,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 07:31:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:07,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:07,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:07,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:07,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:07,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-29 07:31:07,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:07,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:07,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:31:07,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:31:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 224 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 07:31:08,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1975471525] [2020-10-29 07:31:08,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:08,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:31:08,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393701213] [2020-10-29 07:31:08,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:31:08,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:08,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:31:08,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:31:08,190 INFO L87 Difference]: Start difference. First operand 933 states and 1023 transitions. Second operand 7 states. [2020-10-29 07:31:10,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:10,284 INFO L93 Difference]: Finished difference Result 2254 states and 2542 transitions. [2020-10-29 07:31:10,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:31:10,285 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 355 [2020-10-29 07:31:10,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:10,294 INFO L225 Difference]: With dead ends: 2254 [2020-10-29 07:31:10,294 INFO L226 Difference]: Without dead ends: 1509 [2020-10-29 07:31:10,297 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 07:31:10,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2020-10-29 07:31:10,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1493. [2020-10-29 07:31:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-10-29 07:31:10,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1641 transitions. [2020-10-29 07:31:10,364 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1641 transitions. Word has length 355 [2020-10-29 07:31:10,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:10,365 INFO L481 AbstractCegarLoop]: Abstraction has 1493 states and 1641 transitions. [2020-10-29 07:31:10,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:31:10,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1641 transitions. [2020-10-29 07:31:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2020-10-29 07:31:10,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:10,373 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 07:31:10,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 07:31:10,373 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:10,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:10,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1605865214, now seen corresponding path program 1 times [2020-10-29 07:31:10,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:10,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1772188556] [2020-10-29 07:31:10,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:10,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:10,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:10,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:13,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:15,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:15,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 393 [2020-10-29 07:31:15,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:31:15,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-29 07:31:15,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:15,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:15,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:15,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-29 07:31:15,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:31:15,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:15,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:15,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:15,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:15,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:15,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:15,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 07:31:15,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:15,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:15,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:15,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:15,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:15,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:15,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 07:31:15,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:15,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-29 07:31:15,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:15,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:15,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:15,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:15,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-29 07:31:15,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:15,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 07:31:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:15,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:16,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:16,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:16,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:16,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-29 07:31:16,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:16,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:31:16,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:16,365 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 07:31:16,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1772188556] [2020-10-29 07:31:16,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:16,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:31:16,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487655850] [2020-10-29 07:31:16,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:31:16,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:16,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:31:16,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:31:16,370 INFO L87 Difference]: Start difference. First operand 1493 states and 1641 transitions. Second operand 7 states. [2020-10-29 07:31:18,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:18,558 INFO L93 Difference]: Finished difference Result 3970 states and 4555 transitions. [2020-10-29 07:31:18,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:31:18,561 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 379 [2020-10-29 07:31:18,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:18,578 INFO L225 Difference]: With dead ends: 3970 [2020-10-29 07:31:18,578 INFO L226 Difference]: Without dead ends: 2483 [2020-10-29 07:31:18,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:31:18,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2483 states. [2020-10-29 07:31:18,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2483 to 2427. [2020-10-29 07:31:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2427 states. [2020-10-29 07:31:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 2657 transitions. [2020-10-29 07:31:18,684 INFO L78 Accepts]: Start accepts. Automaton has 2427 states and 2657 transitions. Word has length 379 [2020-10-29 07:31:18,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:18,685 INFO L481 AbstractCegarLoop]: Abstraction has 2427 states and 2657 transitions. [2020-10-29 07:31:18,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:31:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2657 transitions. [2020-10-29 07:31:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-10-29 07:31:18,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:18,699 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:18,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 07:31:18,700 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:18,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:18,700 INFO L82 PathProgramCache]: Analyzing trace with hash 495386961, now seen corresponding path program 1 times [2020-10-29 07:31:18,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:18,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283472073] [2020-10-29 07:31:18,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:18,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:19,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:19,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:19,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:20,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:23,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:23,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 530 [2020-10-29 07:31:23,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:31:23,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-29 07:31:23,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:23,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:23,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:23,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 280 [2020-10-29 07:31:23,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:31:23,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:23,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:23,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:23,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:23,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:23,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:23,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 07:31:23,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:23,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:23,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:23,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:23,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:23,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:24,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:24,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:24,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:24,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:31:24,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:24,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:31:24,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:24,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:24,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:24,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:24,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:24,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:24,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 07:31:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:24,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:24,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:24,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:31:24,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:24,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-29 07:31:24,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:24,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:24,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:24,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:24,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-29 07:31:24,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:24,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-29 07:31:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:24,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:24,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:24,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:24,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:24,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-29 07:31:24,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:24,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:31:24,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 444 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-29 07:31:24,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283472073] [2020-10-29 07:31:24,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:24,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:31:24,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471169798] [2020-10-29 07:31:24,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:31:24,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:24,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:31:24,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:31:24,856 INFO L87 Difference]: Start difference. First operand 2427 states and 2657 transitions. Second operand 7 states. [2020-10-29 07:31:26,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:26,920 INFO L93 Difference]: Finished difference Result 5410 states and 6027 transitions. [2020-10-29 07:31:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:31:26,923 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 514 [2020-10-29 07:31:26,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:26,940 INFO L225 Difference]: With dead ends: 5410 [2020-10-29 07:31:26,940 INFO L226 Difference]: Without dead ends: 3355 [2020-10-29 07:31:26,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:31:26,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3355 states. [2020-10-29 07:31:27,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3355 to 3169. [2020-10-29 07:31:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3169 states. [2020-10-29 07:31:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 3169 states and 3540 transitions. [2020-10-29 07:31:27,041 INFO L78 Accepts]: Start accepts. Automaton has 3169 states and 3540 transitions. Word has length 514 [2020-10-29 07:31:27,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:27,042 INFO L481 AbstractCegarLoop]: Abstraction has 3169 states and 3540 transitions. [2020-10-29 07:31:27,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:31:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3169 states and 3540 transitions. [2020-10-29 07:31:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2020-10-29 07:31:27,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:27,050 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 07:31:27,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 07:31:27,051 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:27,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:27,051 INFO L82 PathProgramCache]: Analyzing trace with hash -852627956, now seen corresponding path program 1 times [2020-10-29 07:31:27,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:27,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147654595] [2020-10-29 07:31:27,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:27,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:27,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:27,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:29,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:32,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:32,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 608 [2020-10-29 07:31:32,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:31:32,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 07:31:32,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:32,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:32,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:32,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-29 07:31:32,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-29 07:31:32,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:32,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:32,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:32,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:32,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:32,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:32,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:31:32,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:32,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:32,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:32,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:32,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:32,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:32,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:32,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:32,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:32,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:31:32,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:32,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 07:31:32,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:32,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:32,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:31:32,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:32,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 07:31:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:32,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:32,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:32,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:31:32,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:32,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-29 07:31:32,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:32,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:32,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:32,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:32,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 07:31:32,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:32,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-29 07:31:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:32,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:32,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:32,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:31:32,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:32,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:31:32,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:32,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:32,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:32,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 07:31:32,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:32,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:32,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-10-29 07:31:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:32,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:32,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:32,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:32,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:32,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 07:31:32,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:32,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:31:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:32,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:33,039 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 350 proven. 231 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2020-10-29 07:31:33,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147654595] [2020-10-29 07:31:33,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:33,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:31:33,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578901454] [2020-10-29 07:31:33,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:31:33,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:33,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:31:33,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:31:33,042 INFO L87 Difference]: Start difference. First operand 3169 states and 3540 transitions. Second operand 7 states. [2020-10-29 07:31:35,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:35,021 INFO L93 Difference]: Finished difference Result 6526 states and 7418 transitions. [2020-10-29 07:31:35,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:31:35,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 590 [2020-10-29 07:31:35,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:35,042 INFO L225 Difference]: With dead ends: 6526 [2020-10-29 07:31:35,042 INFO L226 Difference]: Without dead ends: 3729 [2020-10-29 07:31:35,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:31:35,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3729 states. [2020-10-29 07:31:35,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3729 to 3723. [2020-10-29 07:31:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3723 states. [2020-10-29 07:31:35,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3723 states and 4200 transitions. [2020-10-29 07:31:35,154 INFO L78 Accepts]: Start accepts. Automaton has 3723 states and 4200 transitions. Word has length 590 [2020-10-29 07:31:35,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:35,154 INFO L481 AbstractCegarLoop]: Abstraction has 3723 states and 4200 transitions. [2020-10-29 07:31:35,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:31:35,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 4200 transitions. [2020-10-29 07:31:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2020-10-29 07:31:35,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:35,191 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 07:31:35,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 07:31:35,192 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:35,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:35,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1161702120, now seen corresponding path program 1 times [2020-10-29 07:31:35,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:35,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503316833] [2020-10-29 07:31:35,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:35,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:35,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:35,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:35,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:40,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:40,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 650 [2020-10-29 07:31:40,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:31:40,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 07:31:40,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:40,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:40,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:40,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-29 07:31:40,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:31:40,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:40,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:40,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:40,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:40,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:40,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:40,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:31:40,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:40,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:40,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:40,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:40,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:40,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:40,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 07:31:40,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:40,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 07:31:40,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:40,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:40,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:40,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:40,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-29 07:31:40,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:40,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 07:31:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:40,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:40,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:40,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:31:40,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:40,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-29 07:31:40,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:40,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:40,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:40,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:40,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 07:31:40,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:31:40,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-29 07:31:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:40,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:41,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:41,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:31:41,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:41,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 07:31:41,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:41,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:41,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:41,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 07:31:41,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:41,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:41,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2020-10-29 07:31:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:41,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:41,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:41,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:41,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:41,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 07:31:41,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:41,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:31:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:41,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 907 backedges. 374 proven. 249 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-10-29 07:31:41,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503316833] [2020-10-29 07:31:41,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:41,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:31:41,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476278950] [2020-10-29 07:31:41,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:31:41,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:41,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:31:41,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:31:41,686 INFO L87 Difference]: Start difference. First operand 3723 states and 4200 transitions. Second operand 7 states. [2020-10-29 07:31:44,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:44,016 INFO L93 Difference]: Finished difference Result 7448 states and 8442 transitions. [2020-10-29 07:31:44,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:31:44,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 632 [2020-10-29 07:31:44,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:44,035 INFO L225 Difference]: With dead ends: 7448 [2020-10-29 07:31:44,036 INFO L226 Difference]: Without dead ends: 3907 [2020-10-29 07:31:44,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:31:44,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2020-10-29 07:31:44,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3723. [2020-10-29 07:31:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3723 states. [2020-10-29 07:31:44,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3723 states and 4162 transitions. [2020-10-29 07:31:44,144 INFO L78 Accepts]: Start accepts. Automaton has 3723 states and 4162 transitions. Word has length 632 [2020-10-29 07:31:44,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:44,145 INFO L481 AbstractCegarLoop]: Abstraction has 3723 states and 4162 transitions. [2020-10-29 07:31:44,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:31:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 4162 transitions. [2020-10-29 07:31:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2020-10-29 07:31:44,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:44,154 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 07:31:44,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 07:31:44,154 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:44,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:44,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1799651167, now seen corresponding path program 1 times [2020-10-29 07:31:44,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:44,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064970137] [2020-10-29 07:31:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:44,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:44,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:46,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:49,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:49,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 738 [2020-10-29 07:31:49,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:31:49,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-29 07:31:49,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:49,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:49,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:49,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-29 07:31:49,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:31:49,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:49,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:49,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:49,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:49,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:49,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:49,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:31:49,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:49,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:49,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:49,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:49,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:49,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:49,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:31:49,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:49,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:31:49,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:49,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:49,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:49,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:49,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:49,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:49,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:31:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:49,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:49,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:49,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:31:49,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 07:31:49,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:49,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:31:49,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:49,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:31:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:49,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:49,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:49,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:31:49,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:49,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-29 07:31:49,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:49,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:49,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:49,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:49,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 07:31:49,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:49,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-29 07:31:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:49,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:49,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:49,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:31:49,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:49,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:31:49,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:49,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 07:31:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:49,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:49,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-29 07:31:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:49,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:49,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:49,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:49,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:49,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 07:31:49,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:49,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:49,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:49,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:31:49,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:49,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 529 proven. 249 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2020-10-29 07:31:50,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064970137] [2020-10-29 07:31:50,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:50,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:31:50,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732248815] [2020-10-29 07:31:50,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:31:50,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:50,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:31:50,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:31:50,310 INFO L87 Difference]: Start difference. First operand 3723 states and 4162 transitions. Second operand 7 states. [2020-10-29 07:31:52,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:52,303 INFO L93 Difference]: Finished difference Result 7082 states and 7975 transitions. [2020-10-29 07:31:52,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:31:52,311 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 718 [2020-10-29 07:31:52,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:52,329 INFO L225 Difference]: With dead ends: 7082 [2020-10-29 07:31:52,330 INFO L226 Difference]: Without dead ends: 3731 [2020-10-29 07:31:52,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-29 07:31:52,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2020-10-29 07:31:52,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 3727. [2020-10-29 07:31:52,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3727 states. [2020-10-29 07:31:52,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3727 states to 3727 states and 4140 transitions. [2020-10-29 07:31:52,458 INFO L78 Accepts]: Start accepts. Automaton has 3727 states and 4140 transitions. Word has length 718 [2020-10-29 07:31:52,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:52,459 INFO L481 AbstractCegarLoop]: Abstraction has 3727 states and 4140 transitions. [2020-10-29 07:31:52,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:31:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3727 states and 4140 transitions. [2020-10-29 07:31:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2020-10-29 07:31:52,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:52,473 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:52,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 07:31:52,474 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:52,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:52,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1765223454, now seen corresponding path program 1 times [2020-10-29 07:31:52,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:52,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074724824] [2020-10-29 07:31:52,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:52,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:53,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:54,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:54,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 839 [2020-10-29 07:31:54,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:31:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2285 [2020-10-29 07:31:54,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:54,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 770 [2020-10-29 07:31:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 07:31:54,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:55,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:55,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:55,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:55,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:55,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:55,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 07:31:55,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:55,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:55,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:55,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:55,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:55,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:55,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:55,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:55,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:55,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:31:55,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:55,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:31:55,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:55,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:55,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:55,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:55,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:55,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:55,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:31:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:55,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:55,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:55,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:31:55,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:55,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 07:31:55,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:55,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:55,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:55,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:31:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:55,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:55,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:55,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:31:55,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:55,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 07:31:55,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:55,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:55,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:55,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:31:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:55,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:55,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:55,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:31:55,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:55,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 07:31:55,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:55,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:55,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:55,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:31:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:55,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:55,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:55,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:31:55,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:55,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 07:31:55,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:55,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:55,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:55,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-29 07:31:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:55,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:55,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:55,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:55,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:55,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 07:31:55,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:55,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:55,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:55,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:55,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-29 07:31:55,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 363 proven. 6 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-10-29 07:31:55,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074724824] [2020-10-29 07:31:55,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:55,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 07:31:55,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133731254] [2020-10-29 07:31:55,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 07:31:55,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:55,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 07:31:55,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 07:31:55,875 INFO L87 Difference]: Start difference. First operand 3727 states and 4140 transitions. Second operand 5 states. [2020-10-29 07:31:57,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:57,419 INFO L93 Difference]: Finished difference Result 8544 states and 9668 transitions. [2020-10-29 07:31:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 07:31:57,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 817 [2020-10-29 07:31:57,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:57,442 INFO L225 Difference]: With dead ends: 8544 [2020-10-29 07:31:57,442 INFO L226 Difference]: Without dead ends: 5189 [2020-10-29 07:31:57,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 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 07:31:57,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5189 states. [2020-10-29 07:31:57,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5189 to 5003. [2020-10-29 07:31:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5003 states. [2020-10-29 07:31:57,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5003 states to 5003 states and 5627 transitions. [2020-10-29 07:31:57,575 INFO L78 Accepts]: Start accepts. Automaton has 5003 states and 5627 transitions. Word has length 817 [2020-10-29 07:31:57,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:57,577 INFO L481 AbstractCegarLoop]: Abstraction has 5003 states and 5627 transitions. [2020-10-29 07:31:57,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 07:31:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 5003 states and 5627 transitions. [2020-10-29 07:31:57,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2020-10-29 07:31:57,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:57,590 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:31:57,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 07:31:57,591 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:57,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:57,591 INFO L82 PathProgramCache]: Analyzing trace with hash 2027494543, now seen corresponding path program 1 times [2020-10-29 07:31:57,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:57,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572729830] [2020-10-29 07:31:57,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:57,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:58,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:58,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:00,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:02,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:02,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 921 [2020-10-29 07:32:02,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:32:02,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 07:32:02,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:02,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-29 07:32:02,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 07:32:02,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:02,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:32:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:02,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:02,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:02,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:32:02,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:02,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:32:02,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:02,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:02,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:02,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:32:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:02,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:02,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:02,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:32:02,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:02,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:32:02,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:02,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:02,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:02,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:02,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:02,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:02,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:32:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:02,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:02,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:03,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:32:03,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:03,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 07:32:03,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:03,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:03,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:03,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:03,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:03,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:03,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:32:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:03,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:03,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:03,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:32:03,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:03,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 07:32:03,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:03,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:03,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:03,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:32:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:03,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:03,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:03,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:32:03,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:03,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 07:32:03,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:03,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:03,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:32:03,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:03,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-29 07:32:03,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:03,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:32:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:03,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:03,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:03,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:32:03,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:03,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 07:32:03,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:03,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:03,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:03,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:03,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 07:32:03,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:03,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-29 07:32:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:03,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:03,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:03,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:32:03,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:03,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-29 07:32:03,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:03,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:03,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:03,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:32:03,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:03,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:03,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-29 07:32:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:03,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:03,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:03,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:32:03,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:03,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 07:32:03,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:03,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:03,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:03,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:32:03,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:03,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:03,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2428 backedges. 752 proven. 148 refuted. 0 times theorem prover too weak. 1528 trivial. 0 not checked. [2020-10-29 07:32:03,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572729830] [2020-10-29 07:32:03,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:32:03,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:32:03,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891202216] [2020-10-29 07:32:03,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:32:03,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:32:03,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:32:03,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:32:03,922 INFO L87 Difference]: Start difference. First operand 5003 states and 5627 transitions. Second operand 7 states. [2020-10-29 07:32:05,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:32:05,705 INFO L93 Difference]: Finished difference Result 10378 states and 11848 transitions. [2020-10-29 07:32:05,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:32:05,706 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 897 [2020-10-29 07:32:05,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:32:05,741 INFO L225 Difference]: With dead ends: 10378 [2020-10-29 07:32:05,741 INFO L226 Difference]: Without dead ends: 5747 [2020-10-29 07:32:05,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:32:05,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5747 states. [2020-10-29 07:32:05,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5747 to 5747. [2020-10-29 07:32:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5747 states. [2020-10-29 07:32:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5747 states to 5747 states and 6516 transitions. [2020-10-29 07:32:05,898 INFO L78 Accepts]: Start accepts. Automaton has 5747 states and 6516 transitions. Word has length 897 [2020-10-29 07:32:05,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:32:05,900 INFO L481 AbstractCegarLoop]: Abstraction has 5747 states and 6516 transitions. [2020-10-29 07:32:05,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:32:05,900 INFO L276 IsEmpty]: Start isEmpty. Operand 5747 states and 6516 transitions. [2020-10-29 07:32:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2020-10-29 07:32:05,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:32:05,916 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 07:32:05,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 07:32:05,916 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:32:05,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:32:05,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1024766643, now seen corresponding path program 1 times [2020-10-29 07:32:05,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:32:05,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347715356] [2020-10-29 07:32:05,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:32:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:06,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:06,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:06,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:07,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:10,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:11,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:11,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 944 [2020-10-29 07:32:11,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:32:11,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-29 07:32:11,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:11,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:11,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 07:32:11,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 600 [2020-10-29 07:32:11,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 276 [2020-10-29 07:32:11,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:11,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:32:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:11,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:11,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:11,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:32:11,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:11,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:32:11,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:11,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:11,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:11,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:32:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:11,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:11,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:11,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:32:11,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:11,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:32:11,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:11,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:11,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:11,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:32:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:11,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:11,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:11,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:32:11,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:11,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 07:32:11,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:11,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:11,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:11,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:11,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:11,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:11,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:32:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:11,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:11,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:11,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:32:11,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:11,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-29 07:32:11,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:11,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:11,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-29 07:32:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:11,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:11,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:11,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:32:11,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:11,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:32:11,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:11,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:11,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:11,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:11,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:11,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-29 07:32:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:11,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:11,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:11,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:32:11,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:11,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:32:11,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:11,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:32:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:32:11,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:11,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-29 07:32:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:11,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:11,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:32:11,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:11,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-29 07:32:11,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:11,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 07:32:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:32:11,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:11,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-29 07:32:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:12,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:12,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:12,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-29 07:32:12,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:12,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 07:32:12,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:12,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:12,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:12,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:12,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 07:32:12,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:12,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2492 backedges. 1441 proven. 6 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2020-10-29 07:32:12,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347715356] [2020-10-29 07:32:12,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:32:12,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 07:32:12,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722169069] [2020-10-29 07:32:12,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 07:32:12,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:32:12,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 07:32:12,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 07:32:12,708 INFO L87 Difference]: Start difference. First operand 5747 states and 6516 transitions. Second operand 9 states. [2020-10-29 07:32:16,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:32:16,125 INFO L93 Difference]: Finished difference Result 12964 states and 14897 transitions. [2020-10-29 07:32:16,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 07:32:16,126 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 920 [2020-10-29 07:32:16,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:32:16,152 INFO L225 Difference]: With dead ends: 12964 [2020-10-29 07:32:16,152 INFO L226 Difference]: Without dead ends: 7589 [2020-10-29 07:32:16,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-29 07:32:16,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7589 states. [2020-10-29 07:32:16,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7589 to 7589. [2020-10-29 07:32:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7589 states. [2020-10-29 07:32:16,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7589 states to 7589 states and 8719 transitions. [2020-10-29 07:32:16,337 INFO L78 Accepts]: Start accepts. Automaton has 7589 states and 8719 transitions. Word has length 920 [2020-10-29 07:32:16,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:32:16,338 INFO L481 AbstractCegarLoop]: Abstraction has 7589 states and 8719 transitions. [2020-10-29 07:32:16,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 07:32:16,338 INFO L276 IsEmpty]: Start isEmpty. Operand 7589 states and 8719 transitions. [2020-10-29 07:32:16,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 992 [2020-10-29 07:32:16,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:32:16,359 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 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, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 07:32:16,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 07:32:16,360 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:32:16,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:32:16,361 INFO L82 PathProgramCache]: Analyzing trace with hash -793187712, now seen corresponding path program 1 times [2020-10-29 07:32:16,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:32:16,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241920184] [2020-10-29 07:32:16,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:32:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:16,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:16,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:17,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:17,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:17,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:20,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:21,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:21,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1017 [2020-10-29 07:32:21,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 07:32:21,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-29 07:32:21,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:21,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 343 [2020-10-29 07:32:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:32:21,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:21,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:32:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:21,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:21,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:21,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:32:21,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:21,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:32:21,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:21,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:21,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:21,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:21,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:21,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:21,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:32:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:21,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:21,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:21,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:32:21,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:21,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 07:32:21,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:21,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:21,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:21,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:21,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:21,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:21,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:32:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:21,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:21,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:21,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:32:21,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:21,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:32:21,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:21,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:21,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:21,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:32:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:21,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:21,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:21,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:32:21,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:21,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 07:32:21,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:21,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:21,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:32:21,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:21,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-29 07:32:21,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:21,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-29 07:32:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:21,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:22,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:22,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:32:22,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:22,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-29 07:32:22,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:22,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 07:32:22,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:22,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-29 07:32:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:22,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:22,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:22,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:32:22,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:22,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:32:22,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:22,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 07:32:22,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:22,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:22,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-29 07:32:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:22,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:22,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:22,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:32:22,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:22,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-29 07:32:22,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:22,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:22,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:22,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:32:22,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:22,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:22,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2020-10-29 07:32:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:22,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:22,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:22,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:32:22,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:22,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 07:32:22,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:22,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:22,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-29 07:32:22,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:22,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:32:22,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2020-10-29 07:32:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:22,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:22,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:22,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:32:22,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:22,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:32:22,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:22,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:22,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:22,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:32:22,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:22,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3062 backedges. 850 proven. 406 refuted. 0 times theorem prover too weak. 1806 trivial. 0 not checked. [2020-10-29 07:32:23,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241920184] [2020-10-29 07:32:23,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:32:23,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:32:23,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796998391] [2020-10-29 07:32:23,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:32:23,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:32:23,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:32:23,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:32:23,126 INFO L87 Difference]: Start difference. First operand 7589 states and 8719 transitions. Second operand 7 states. [2020-10-29 07:32:25,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:32:25,161 INFO L93 Difference]: Finished difference Result 15176 states and 17476 transitions. [2020-10-29 07:32:25,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:32:25,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 991 [2020-10-29 07:32:25,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:32:25,188 INFO L225 Difference]: With dead ends: 15176 [2020-10-29 07:32:25,188 INFO L226 Difference]: Without dead ends: 7959 [2020-10-29 07:32:25,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:32:25,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7959 states. [2020-10-29 07:32:25,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7959 to 7593. [2020-10-29 07:32:25,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7593 states. [2020-10-29 07:32:25,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7593 states to 7593 states and 8724 transitions. [2020-10-29 07:32:25,373 INFO L78 Accepts]: Start accepts. Automaton has 7593 states and 8724 transitions. Word has length 991 [2020-10-29 07:32:25,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:32:25,373 INFO L481 AbstractCegarLoop]: Abstraction has 7593 states and 8724 transitions. [2020-10-29 07:32:25,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:32:25,374 INFO L276 IsEmpty]: Start isEmpty. Operand 7593 states and 8724 transitions. [2020-10-29 07:32:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 999 [2020-10-29 07:32:25,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:32:25,392 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:32:25,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 07:32:25,393 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:32:25,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:32:25,394 INFO L82 PathProgramCache]: Analyzing trace with hash -2123738230, now seen corresponding path program 1 times [2020-10-29 07:32:25,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:32:25,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253994426] [2020-10-29 07:32:25,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:32:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:25,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:25,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:26,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:28,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:29,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:30,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:30,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1024 [2020-10-29 07:32:30,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:32:30,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-29 07:32:30,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:30,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:30,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-29 07:32:30,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:32:30,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:30,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:32:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:30,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:30,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:30,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:32:30,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:30,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 07:32:30,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:30,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:30,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:30,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:30,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:30,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:30,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:32:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:30,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:30,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:30,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:32:30,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:30,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:32:30,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:30,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:30,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:30,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:32:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:30,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:30,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:30,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:32:30,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:30,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 07:32:30,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:30,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:30,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:30,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:32:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:30,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:31,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:31,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:32:31,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:31,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-29 07:32:31,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:31,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:32:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-29 07:32:31,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:31,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:32:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:31,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:31,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:31,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:32:31,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:31,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-29 07:32:31,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:31,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 07:32:31,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:31,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-29 07:32:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:31,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:31,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:31,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:32:31,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:31,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:32:31,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:31,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 07:32:31,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:31,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:31,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-29 07:32:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:31,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:31,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:31,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:32:31,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:31,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 07:32:31,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:31,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:31,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:31,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:32:31,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:31,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:31,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-29 07:32:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:31,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:31,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:31,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:32:31,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:31,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 07:32:31,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:31,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:31,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:31,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-29 07:32:31,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:31,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:31,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2020-10-29 07:32:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:31,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:31,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:31,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:32:31,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:31,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 07:32:31,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:31,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:31,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:31,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:32:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:31,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:33,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3076 backedges. 857 proven. 406 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2020-10-29 07:32:33,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253994426] [2020-10-29 07:32:33,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:32:33,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:32:33,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500955463] [2020-10-29 07:32:33,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:32:33,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:32:33,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:32:33,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:32:33,063 INFO L87 Difference]: Start difference. First operand 7593 states and 8724 transitions. Second operand 7 states. [2020-10-29 07:32:35,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:32:35,143 INFO L93 Difference]: Finished difference Result 15366 states and 17709 transitions. [2020-10-29 07:32:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:32:35,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 998 [2020-10-29 07:32:35,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:32:35,174 INFO L225 Difference]: With dead ends: 15366 [2020-10-29 07:32:35,174 INFO L226 Difference]: Without dead ends: 7963 [2020-10-29 07:32:35,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:32:35,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7963 states. [2020-10-29 07:32:35,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7963 to 7957. [2020-10-29 07:32:35,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7957 states. [2020-10-29 07:32:35,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7957 states to 7957 states and 9082 transitions. [2020-10-29 07:32:35,349 INFO L78 Accepts]: Start accepts. Automaton has 7957 states and 9082 transitions. Word has length 998 [2020-10-29 07:32:35,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:32:35,350 INFO L481 AbstractCegarLoop]: Abstraction has 7957 states and 9082 transitions. [2020-10-29 07:32:35,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:32:35,350 INFO L276 IsEmpty]: Start isEmpty. Operand 7957 states and 9082 transitions. [2020-10-29 07:32:35,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1106 [2020-10-29 07:32:35,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:32:35,369 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:32:35,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 07:32:35,370 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:32:35,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:32:35,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1587536731, now seen corresponding path program 1 times [2020-10-29 07:32:35,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:32:35,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386225181] [2020-10-29 07:32:35,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:32:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:35,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:35,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:38,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:38,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:39,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:40,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:40,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1133 [2020-10-29 07:32:40,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:32:40,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5113 [2020-10-29 07:32:40,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:40,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:40,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:40,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 871 [2020-10-29 07:32:40,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 07:32:40,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:40,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:32:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:40,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:40,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:40,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:32:40,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:40,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:32:40,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:40,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:40,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:40,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:32:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:40,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:40,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:40,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:32:40,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:40,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:32:40,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:40,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:40,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:40,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:32:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:40,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:40,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:40,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:32:40,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 07:32:40,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:40,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:40,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:32:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:40,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:41,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:41,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:32:41,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:41,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:32:41,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:41,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:41,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:41,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:32:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:41,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:41,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:41,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:32:41,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:41,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 07:32:41,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:41,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:41,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:41,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:41,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:41,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:41,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:32:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:41,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:41,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:41,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:32:41,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:41,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 07:32:41,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:41,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:41,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:41,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:41,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:41,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:41,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:32:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:41,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:41,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:41,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:32:41,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:41,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 07:32:41,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:41,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:41,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:41,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:41,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:41,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:41,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:32:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:41,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:41,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:41,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:32:41,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:41,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-29 07:32:41,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:41,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:41,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:32:41,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:41,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-29 07:32:41,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:41,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:32:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:41,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:41,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:41,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 07:32:41,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:41,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-29 07:32:41,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:41,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:41,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 07:32:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-29 07:32:41,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2020-10-29 07:32:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:41,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:41,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:41,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 07:32:41,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:41,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 07:32:41,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:41,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:41,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:41,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-29 07:32:41,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:41,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:42,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3922 backedges. 1200 proven. 93 refuted. 0 times theorem prover too weak. 2629 trivial. 0 not checked. [2020-10-29 07:32:42,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386225181] [2020-10-29 07:32:42,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:32:42,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 07:32:42,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509641651] [2020-10-29 07:32:42,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 07:32:42,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:32:42,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 07:32:42,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:32:42,511 INFO L87 Difference]: Start difference. First operand 7957 states and 9082 transitions. Second operand 8 states. [2020-10-29 07:32:45,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:32:45,491 INFO L93 Difference]: Finished difference Result 15914 states and 18190 transitions. [2020-10-29 07:32:45,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:32:45,491 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1105 [2020-10-29 07:32:45,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:32:45,529 INFO L225 Difference]: With dead ends: 15914 [2020-10-29 07:32:45,530 INFO L226 Difference]: Without dead ends: 8147 [2020-10-29 07:32:45,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:32:45,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8147 states. [2020-10-29 07:32:45,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8147 to 8141. [2020-10-29 07:32:45,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8141 states. [2020-10-29 07:32:45,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8141 states to 8141 states and 9115 transitions. [2020-10-29 07:32:45,719 INFO L78 Accepts]: Start accepts. Automaton has 8141 states and 9115 transitions. Word has length 1105 [2020-10-29 07:32:45,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:32:45,720 INFO L481 AbstractCegarLoop]: Abstraction has 8141 states and 9115 transitions. [2020-10-29 07:32:45,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 07:32:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 8141 states and 9115 transitions. [2020-10-29 07:32:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1350 [2020-10-29 07:32:45,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:32:45,746 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 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, 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, 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 07:32:45,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 07:32:45,746 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:32:45,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:32:45,747 INFO L82 PathProgramCache]: Analyzing trace with hash 374681630, now seen corresponding path program 1 times [2020-10-29 07:32:45,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:32:45,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179005676] [2020-10-29 07:32:45,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:32:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:46,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:46,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:50,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:50,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:50,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1379 [2020-10-29 07:32:50,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:32:50,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 07:32:50,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:50,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:50,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 07:32:50,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-29 07:32:50,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-29 07:32:50,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:51,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:32:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:51,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:51,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:32:51,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:51,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:32:51,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:51,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:51,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:51,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:51,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:51,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:51,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:32:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:51,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:51,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:32:51,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:32:51,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:51,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:51,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:51,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:32:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:51,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:51,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:32:51,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:51,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 07:32:51,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:51,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:51,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:51,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:51,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:51,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:51,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:32:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:51,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:51,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:32:51,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:51,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:32:51,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:51,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:51,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:51,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:51,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:51,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:51,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:32:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:51,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:51,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:32:51,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:51,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 07:32:51,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:51,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:51,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:51,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:51,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:51,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:51,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:32:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:51,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:51,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:32:51,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:51,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 07:32:51,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:51,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:51,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:51,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:51,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:51,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:51,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:32:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:51,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:51,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:32:51,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:51,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 07:32:51,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:51,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:51,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:32:51,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:51,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:32:51,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:51,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:32:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:51,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:51,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:32:51,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:51,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-29 07:32:51,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:51,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 07:32:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:32:51,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:51,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:32:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:51,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:52,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:52,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:32:52,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:32:52,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-29 07:32:52,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:52,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:52,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:52,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:52,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-29 07:32:52,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:52,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2020-10-29 07:32:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:52,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:52,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:52,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 07:32:52,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:52,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 07:32:52,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:52,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:52,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:52,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-29 07:32:52,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:52,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:52,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1179 [2020-10-29 07:32:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:52,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:52,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:52,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 07:32:52,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:52,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:32:52,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:52,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-29 07:32:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:52,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:53,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5321 backedges. 1952 proven. 664 refuted. 0 times theorem prover too weak. 2705 trivial. 0 not checked. [2020-10-29 07:32:53,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179005676] [2020-10-29 07:32:53,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:32:53,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 07:32:53,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872389472] [2020-10-29 07:32:53,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 07:32:53,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:32:53,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 07:32:53,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:32:53,720 INFO L87 Difference]: Start difference. First operand 8141 states and 9115 transitions. Second operand 11 states. [2020-10-29 07:32:57,288 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-29 07:32:58,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:32:58,144 INFO L93 Difference]: Finished difference Result 16120 states and 18136 transitions. [2020-10-29 07:32:58,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 07:32:58,145 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1349 [2020-10-29 07:32:58,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:32:58,170 INFO L225 Difference]: With dead ends: 16120 [2020-10-29 07:32:58,170 INFO L226 Difference]: Without dead ends: 8169 [2020-10-29 07:32:58,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=163, Invalid=539, Unknown=0, NotChecked=0, Total=702 [2020-10-29 07:32:58,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2020-10-29 07:32:58,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 8141. [2020-10-29 07:32:58,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8141 states. [2020-10-29 07:32:58,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8141 states to 8141 states and 9113 transitions. [2020-10-29 07:32:58,366 INFO L78 Accepts]: Start accepts. Automaton has 8141 states and 9113 transitions. Word has length 1349 [2020-10-29 07:32:58,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:32:58,367 INFO L481 AbstractCegarLoop]: Abstraction has 8141 states and 9113 transitions. [2020-10-29 07:32:58,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 07:32:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 8141 states and 9113 transitions. [2020-10-29 07:32:58,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1468 [2020-10-29 07:32:58,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:32:58,395 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 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, 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 07:32:58,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 07:32:58,396 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:32:58,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:32:58,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1709550651, now seen corresponding path program 1 times [2020-10-29 07:32:58,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:32:58,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222345657] [2020-10-29 07:32:58,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:32:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:58,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:59,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:00,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:00,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1499 [2020-10-29 07:33:00,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:33:00,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2039 [2020-10-29 07:33:00,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:00,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:00,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-29 07:33:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 07:33:00,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:01,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:33:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:01,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:01,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:01,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:33:01,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:01,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:33:01,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:01,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:01,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:01,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:01,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:01,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:01,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:33:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:01,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:01,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:01,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:33:01,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:01,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:33:01,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:01,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:01,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:01,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:01,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:01,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:33:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:01,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:01,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:01,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:33:01,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:01,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 07:33:01,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:01,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:01,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:01,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:01,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:01,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:01,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:33:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:01,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:01,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:01,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:33:01,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:01,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:33:01,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:01,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:01,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:01,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:01,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:01,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:01,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:33:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:01,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:01,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:01,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:33:01,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:01,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 07:33:01,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:01,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:01,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:01,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:01,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:33:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:01,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:01,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:01,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:33:01,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:01,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:33:01,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:01,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:01,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:01,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:33:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:01,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:01,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:01,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:33:01,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 07:33:01,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:01,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:01,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:33:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:01,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:01,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:01,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:33:01,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:01,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:33:01,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:01,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:01,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:01,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:33:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:01,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:01,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:01,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:33:01,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:01,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 07:33:01,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:01,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:01,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:01,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:01,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:01,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:01,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-29 07:33:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:01,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:01,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:01,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:33:01,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:01,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:33:01,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:01,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:01,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:01,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-29 07:33:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:01,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:01,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:01,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 07:33:01,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:01,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 07:33:01,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:01,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:01,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:01,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:01,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:01,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:01,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-29 07:33:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:01,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:01,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:01,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 07:33:01,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:01,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 07:33:01,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:01,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:01,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:01,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:01,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 07:33:01,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6456 backedges. 668 proven. 11 refuted. 0 times theorem prover too weak. 5777 trivial. 0 not checked. [2020-10-29 07:33:02,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1222345657] [2020-10-29 07:33:02,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:02,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 07:33:02,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735931444] [2020-10-29 07:33:02,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 07:33:02,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:02,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 07:33:02,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 07:33:02,741 INFO L87 Difference]: Start difference. First operand 8141 states and 9113 transitions. Second operand 5 states. [2020-10-29 07:33:04,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:04,380 INFO L93 Difference]: Finished difference Result 16098 states and 18041 transitions. [2020-10-29 07:33:04,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 07:33:04,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1467 [2020-10-29 07:33:04,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:04,403 INFO L225 Difference]: With dead ends: 16098 [2020-10-29 07:33:04,404 INFO L226 Difference]: Without dead ends: 8147 [2020-10-29 07:33:04,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 07:33:04,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8147 states. [2020-10-29 07:33:04,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8147 to 8141. [2020-10-29 07:33:04,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8141 states. [2020-10-29 07:33:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8141 states to 8141 states and 8982 transitions. [2020-10-29 07:33:04,586 INFO L78 Accepts]: Start accepts. Automaton has 8141 states and 8982 transitions. Word has length 1467 [2020-10-29 07:33:04,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:04,588 INFO L481 AbstractCegarLoop]: Abstraction has 8141 states and 8982 transitions. [2020-10-29 07:33:04,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 07:33:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 8141 states and 8982 transitions. [2020-10-29 07:33:04,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1564 [2020-10-29 07:33:04,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:33:04,624 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 6, 6, 6, 6, 5, 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, 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] [2020-10-29 07:33:04,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 07:33:04,624 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:33:04,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:33:04,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1963858350, now seen corresponding path program 1 times [2020-10-29 07:33:04,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:33:04,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784171392] [2020-10-29 07:33:04,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:33:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:05,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:06,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:06,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:07,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:07,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1597 [2020-10-29 07:33:07,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:33:07,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2875 [2020-10-29 07:33:07,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:07,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:07,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:33:07,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1432 [2020-10-29 07:33:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-29 07:33:07,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:08,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:33:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:08,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:08,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:08,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:33:08,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:08,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 07:33:08,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:08,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:08,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:08,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:33:08,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:33:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:08,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:08,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:08,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:33:08,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:08,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 07:33:08,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:08,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:08,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:33:08,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:33:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:08,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:08,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:08,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:33:08,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:08,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:33:08,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:08,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:08,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:08,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:08,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:08,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:08,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:33:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:08,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:08,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:08,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:33:08,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:08,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 07:33:08,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:08,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:08,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:08,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:33:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:08,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:08,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:33:08,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:08,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 07:33:08,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:08,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:08,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:08,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:08,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:08,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:08,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:33:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:08,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:08,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:08,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:33:08,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:08,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:33:08,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:08,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:08,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:08,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:33:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:08,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:08,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:08,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:33:08,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:08,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 07:33:08,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:08,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:08,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:08,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:33:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:08,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:08,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:08,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:33:08,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 07:33:08,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:08,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:08,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:33:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:08,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:08,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:08,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:33:08,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:08,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:33:08,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:08,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:08,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:08,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:08,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:08,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:08,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-29 07:33:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:08,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:08,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:08,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:33:08,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:08,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 07:33:08,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:08,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:08,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 147 [2020-10-29 07:33:08,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-29 07:33:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:08,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:08,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:08,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 07:33:08,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:08,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 07:33:08,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:08,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:08,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:08,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:08,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:08,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-29 07:33:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:08,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:08,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:08,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 07:33:08,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:08,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 07:33:08,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:08,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:08,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:08,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:08,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 07:33:08,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:09,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-29 07:33:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:09,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:09,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:09,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 07:33:09,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:09,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 07:33:09,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:09,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:09,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:33:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 07:33:09,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:10,432 INFO L134 CoverageAnalysis]: Checked inductivity of 7530 backedges. 1657 proven. 69 refuted. 0 times theorem prover too weak. 5804 trivial. 0 not checked. [2020-10-29 07:33:10,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784171392] [2020-10-29 07:33:10,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:10,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 07:33:10,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649619300] [2020-10-29 07:33:10,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 07:33:10,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:10,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 07:33:10,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 07:33:10,436 INFO L87 Difference]: Start difference. First operand 8141 states and 8982 transitions. Second operand 6 states. [2020-10-29 07:33:12,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:12,183 INFO L93 Difference]: Finished difference Result 17202 states and 19108 transitions. [2020-10-29 07:33:12,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:33:12,184 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1563 [2020-10-29 07:33:12,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:12,208 INFO L225 Difference]: With dead ends: 17202 [2020-10-29 07:33:12,208 INFO L226 Difference]: Without dead ends: 9251 [2020-10-29 07:33:12,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:33:12,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9251 states. [2020-10-29 07:33:12,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9251 to 9241. [2020-10-29 07:33:12,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9241 states. [2020-10-29 07:33:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9241 states to 9241 states and 10146 transitions. [2020-10-29 07:33:12,404 INFO L78 Accepts]: Start accepts. Automaton has 9241 states and 10146 transitions. Word has length 1563 [2020-10-29 07:33:12,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:12,406 INFO L481 AbstractCegarLoop]: Abstraction has 9241 states and 10146 transitions. [2020-10-29 07:33:12,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 07:33:12,406 INFO L276 IsEmpty]: Start isEmpty. Operand 9241 states and 10146 transitions. [2020-10-29 07:33:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1573 [2020-10-29 07:33:12,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:33:12,438 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 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, 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] [2020-10-29 07:33:12,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-29 07:33:12,438 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:33:12,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:33:12,439 INFO L82 PathProgramCache]: Analyzing trace with hash -125220958, now seen corresponding path program 1 times [2020-10-29 07:33:12,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:33:12,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378553128] [2020-10-29 07:33:12,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:33:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:12,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:13,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:15,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:17,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:17,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:17,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1606 [2020-10-29 07:33:17,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:33:17,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5106 [2020-10-29 07:33:17,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:17,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-29 07:33:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 07:33:17,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:33:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:33:18,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:33:18,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:18,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:33:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:33:18,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:33:18,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:18,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:18,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:18,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:33:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:33:18,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:33:18,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:18,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:33:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:33:18,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:33:18,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:18,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:18,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:18,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:33:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:33:18,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 07:33:18,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:18,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:33:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:33:18,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 07:33:18,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:18,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:18,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:18,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:33:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:33:18,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 07:33:18,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:18,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:18,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:18,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:33:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:33:18,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:33:18,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:18,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:33:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:33:18,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:33:18,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:18,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:18,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:18,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-29 07:33:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:33:18,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 07:33:18,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:18,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:18,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:18,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-29 07:33:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 07:33:18,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 07:33:18,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:18,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-29 07:33:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 07:33:18,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 07:33:18,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:18,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:18,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 07:33:18,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:18,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-29 07:33:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:18,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:18,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-29 07:33:18,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:18,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-29 07:33:18,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:18,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:33:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 07:33:18,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7617 backedges. 1827 proven. 2 refuted. 0 times theorem prover too weak. 5788 trivial. 0 not checked. [2020-10-29 07:33:20,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378553128] [2020-10-29 07:33:20,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:20,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:33:20,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050734695] [2020-10-29 07:33:20,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:33:20,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:20,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:33:20,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:33:20,206 INFO L87 Difference]: Start difference. First operand 9241 states and 10146 transitions. Second operand 7 states. [2020-10-29 07:33:22,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:22,546 INFO L93 Difference]: Finished difference Result 19422 states and 21413 transitions. [2020-10-29 07:33:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:33:22,547 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1572 [2020-10-29 07:33:22,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:22,558 INFO L225 Difference]: With dead ends: 19422 [2020-10-29 07:33:22,558 INFO L226 Difference]: Without dead ends: 6871 [2020-10-29 07:33:22,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:33:22,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6871 states. [2020-10-29 07:33:22,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6871 to 6283. [2020-10-29 07:33:22,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6283 states. [2020-10-29 07:33:22,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6283 states to 6283 states and 6651 transitions. [2020-10-29 07:33:22,686 INFO L78 Accepts]: Start accepts. Automaton has 6283 states and 6651 transitions. Word has length 1572 [2020-10-29 07:33:22,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:22,688 INFO L481 AbstractCegarLoop]: Abstraction has 6283 states and 6651 transitions. [2020-10-29 07:33:22,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:33:22,688 INFO L276 IsEmpty]: Start isEmpty. Operand 6283 states and 6651 transitions. [2020-10-29 07:33:22,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1637 [2020-10-29 07:33:22,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:33:22,719 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 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, 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] [2020-10-29 07:33:22,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-29 07:33:22,719 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:33:22,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:33:22,720 INFO L82 PathProgramCache]: Analyzing trace with hash -791603547, now seen corresponding path program 1 times [2020-10-29 07:33:22,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:33:22,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345444350] [2020-10-29 07:33:22,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:33:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:23,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:23,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:23,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:26,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:27,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:27,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1672 [2020-10-29 07:33:27,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:33:27,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 07:33:27,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:27,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:27,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:33:27,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-29 07:33:27,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 299 [2020-10-29 07:33:27,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:28,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:33:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:28,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:28,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:28,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:33:28,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:28,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:33:28,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:28,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:28,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:28,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:33:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:28,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:28,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:28,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:33:28,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:28,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:33:28,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:28,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:28,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:28,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:28,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:28,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:28,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:33:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:28,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:28,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:28,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:33:28,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:28,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 07:33:28,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:28,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:28,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:28,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:28,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:33:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:28,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:28,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:28,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:33:28,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:28,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 07:33:28,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:28,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:28,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:28,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:33:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:28,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:28,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:28,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:33:28,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:28,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 07:33:28,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:28,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:28,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:28,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:28,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:33:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:28,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:28,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:28,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:33:28,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:28,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 07:33:28,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:28,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:28,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:28,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:28,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:28,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:28,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:33:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:28,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:28,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:28,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:33:28,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:28,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 07:33:28,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:28,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:28,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:28,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:33:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:28,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:28,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:28,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:33:28,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:28,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 07:33:28,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:28,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:28,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:28,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:33:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:28,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:28,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:28,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:33:28,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:28,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 07:33:28,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:28,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:28,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:28,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-29 07:33:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:28,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:28,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:28,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:33:28,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:28,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 07:33:28,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:28,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:28,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:28,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:28,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 07:33:28,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:28,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-29 07:33:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:28,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:29,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:29,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 07:33:29,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:29,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-29 07:33:29,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:29,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:33:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-29 07:33:29,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:29,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-29 07:33:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:29,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:29,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:29,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 07:33:29,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:29,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-29 07:33:29,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:29,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:33:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-29 07:33:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:29,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2020-10-29 07:33:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:29,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:29,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:29,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 07:33:29,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:29,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:33:29,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:29,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-29 07:33:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:29,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:29,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1483 [2020-10-29 07:33:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:29,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:29,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:29,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 07:33:29,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:29,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:33:29,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:29,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:29,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:29,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-29 07:33:29,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:29,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:30,859 INFO L134 CoverageAnalysis]: Checked inductivity of 8471 backedges. 2892 proven. 326 refuted. 0 times theorem prover too weak. 5253 trivial. 0 not checked. [2020-10-29 07:33:30,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345444350] [2020-10-29 07:33:30,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:30,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:33:30,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955210078] [2020-10-29 07:33:30,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:33:30,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:30,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:33:30,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:33:30,862 INFO L87 Difference]: Start difference. First operand 6283 states and 6651 transitions. Second operand 7 states. [2020-10-29 07:33:33,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:33,881 INFO L93 Difference]: Finished difference Result 13118 states and 13875 transitions. [2020-10-29 07:33:33,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:33:33,881 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1636 [2020-10-29 07:33:33,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:33,897 INFO L225 Difference]: With dead ends: 13118 [2020-10-29 07:33:33,898 INFO L226 Difference]: Without dead ends: 7025 [2020-10-29 07:33:33,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:33:33,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7025 states. [2020-10-29 07:33:34,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7025 to 6653. [2020-10-29 07:33:34,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6653 states. [2020-10-29 07:33:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6653 states to 6653 states and 6993 transitions. [2020-10-29 07:33:34,047 INFO L78 Accepts]: Start accepts. Automaton has 6653 states and 6993 transitions. Word has length 1636 [2020-10-29 07:33:34,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:34,048 INFO L481 AbstractCegarLoop]: Abstraction has 6653 states and 6993 transitions. [2020-10-29 07:33:34,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:33:34,049 INFO L276 IsEmpty]: Start isEmpty. Operand 6653 states and 6993 transitions. [2020-10-29 07:33:34,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1638 [2020-10-29 07:33:34,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:33:34,083 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 6, 6, 6, 6, 5, 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, 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] [2020-10-29 07:33:34,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-29 07:33:34,084 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:33:34,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:33:34,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1428288563, now seen corresponding path program 1 times [2020-10-29 07:33:34,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:33:34,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [982100429] [2020-10-29 07:33:34,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:33:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:34,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:34,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:37,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:38,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1673 [2020-10-29 07:33:39,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:33:39,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 07:33:39,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:33:39,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1508 [2020-10-29 07:33:39,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-29 07:33:39,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:33:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:39,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:33:39,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:39,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:33:39,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:39,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:39,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:39,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:33:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:39,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:33:39,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:39,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:33:39,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:39,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:39,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:39,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:33:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:39,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:33:39,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:39,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:33:39,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:39,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:33:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:39,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:33:39,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:39,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-29 07:33:39,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:39,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:39,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:39,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:33:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:39,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:33:39,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:39,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:33:39,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:39,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:39,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:39,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:33:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:40,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:40,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:40,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:33:40,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:40,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 07:33:40,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:40,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:40,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:40,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:40,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:40,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:40,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:33:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:40,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:40,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:40,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:33:40,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:40,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:33:40,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:40,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:40,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:40,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:40,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:33:40,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:33:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:40,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:40,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:40,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:33:40,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:40,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 07:33:40,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:40,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:40,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:40,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:33:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:40,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:40,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:40,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:33:40,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:40,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 07:33:40,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:40,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:40,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:40,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:40,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:40,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:40,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-29 07:33:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:40,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:40,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:40,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:33:40,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:40,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 07:33:40,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:40,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:40,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:40,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:40,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:40,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:40,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-29 07:33:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:40,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:40,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:40,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 07:33:40,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:40,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 07:33:40,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:40,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:40,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:40,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:40,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:40,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:40,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-29 07:33:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:40,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:40,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:40,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 07:33:40,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:40,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 07:33:40,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:40,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:40,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:40,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:40,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:40,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:40,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-29 07:33:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:40,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:40,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:40,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 07:33:40,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:40,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:33:40,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:40,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:40,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:40,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:40,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 07:33:40,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:40,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1484 [2020-10-29 07:33:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:40,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:40,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:40,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:40,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 07:33:40,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:33:40,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 07:33:40,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:40,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:40,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 07:33:40,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:42,014 INFO L134 CoverageAnalysis]: Checked inductivity of 8477 backedges. 855 proven. 13 refuted. 0 times theorem prover too weak. 7609 trivial. 0 not checked. [2020-10-29 07:33:42,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [982100429] [2020-10-29 07:33:42,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:42,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 07:33:42,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977146281] [2020-10-29 07:33:42,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 07:33:42,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:42,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 07:33:42,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 07:33:42,017 INFO L87 Difference]: Start difference. First operand 6653 states and 6993 transitions. Second operand 6 states. [2020-10-29 07:33:44,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:44,669 INFO L93 Difference]: Finished difference Result 13851 states and 14553 transitions. [2020-10-29 07:33:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:33:44,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1637 [2020-10-29 07:33:44,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:44,674 INFO L225 Difference]: With dead ends: 13851 [2020-10-29 07:33:44,675 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 07:33:44,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:33:44,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 07:33:44,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 07:33:44,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 07:33:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 07:33:44,688 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1637 [2020-10-29 07:33:44,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:44,688 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 07:33:44,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 07:33:44,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 07:33:44,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 07:33:44,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-29 07:33:44,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 07:33:45,965 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 337 DAG size of output: 318 [2020-10-29 07:33:47,381 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 315 [2020-10-29 07:33:50,452 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 312 DAG size of output: 84 [2020-10-29 07:33:50,581 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 28 [2020-10-29 07:33:53,578 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 318 DAG size of output: 115 [2020-10-29 07:33:56,232 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 309 DAG size of output: 84 [2020-10-29 07:33:57,171 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 86 [2020-10-29 07:33:57,176 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 07:33:57,176 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 07:33:57,176 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 07:33:57,177 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 07:33:57,177 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 07:33:57,177 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a24~0 |old(~a24~0)|) (= ~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)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-29 07:33:57,177 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 07:33:57,178 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-29 07:33:57,178 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 07:33:57,178 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 07:33:57,178 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 07:33:57,178 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-29 07:33:57,178 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-29 07:33:57,178 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-29 07:33:57,178 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,178 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,179 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,179 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-29 07:33:57,179 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 07:33:57,179 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 07:33:57,179 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 07:33:57,179 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-29 07:33:57,179 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-29 07:33:57,179 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-29 07:33:57,179 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-29 07:33:57,179 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,180 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,180 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,180 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-29 07:33:57,180 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-29 07:33:57,180 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 07:33:57,180 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 07:33:57,180 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 07:33:57,180 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-29 07:33:57,180 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-29 07:33:57,181 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-29 07:33:57,181 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,181 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,181 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,181 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-29 07:33:57,181 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 07:33:57,181 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 07:33:57,181 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 07:33:57,181 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-29 07:33:57,181 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-29 07:33:57,182 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-29 07:33:57,182 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-29 07:33:57,182 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-29 07:33:57,182 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,182 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,182 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,182 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-29 07:33:57,182 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 07:33:57,182 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 07:33:57,182 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 07:33:57,183 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-29 07:33:57,183 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-29 07:33:57,183 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-29 07:33:57,183 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,183 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,183 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,183 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-29 07:33:57,183 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 07:33:57,183 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 07:33:57,183 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 07:33:57,184 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-29 07:33:57,184 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,184 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-29 07:33:57,184 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-29 07:33:57,184 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-29 07:33:57,184 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-29 07:33:57,184 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,184 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,184 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,184 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-29 07:33:57,185 INFO L270 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (let ((.cse3 (not (<= 7 |old(~a21~0)|))) (.cse4 (not (<= |old(~a21~0)| 7))) (.cse9 (not (<= |old(~a21~0)| 8))) (.cse0 (not (<= 19 |old(~a12~0)|))) (.cse10 (= 5 |old(~a15~0)|)) (.cse1 (not (= 8 |old(~a15~0)|))) (.cse11 (not (= 9 |old(~a21~0)|))) (.cse7 (not (= 7 |old(~a15~0)|))) (.cse8 (not (<= 9 |old(~a15~0)|))) (.cse2 (not (= 6 |old(~a21~0)|))) (.cse6 (not (<= |old(~a12~0)| 2))) (.cse5 (not (= 10 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2) (or (not (= (+ |old(~a12~0)| 49) 0)) .cse1 .cse3 .cse4) (or .cse5 (not (<= 80 |old(~a12~0)|))) (or .cse1 .cse3 .cse4 (not (<= 0 (+ |old(~a12~0)| 21))) .cse6) (or .cse5 .cse7) (or .cse8 .cse9) (or .cse10 .cse11 (not (<= |old(~a12~0)| 11))) (or .cse10 (not (<= |old(~a12~0)| 73282)) (not (<= 12 |old(~a12~0)|)) .cse9) (or .cse9 .cse7) (or (not (= |old(~a24~0)| 1)) (not .cse10)) (or .cse0 .cse10 .cse11) (or .cse5 .cse1) (or .cse11 .cse7) (or .cse5 .cse8 (not (<= |old(~a12~0)| 76))) (or .cse2 .cse6) (or .cse5 (not (<= |old(~a12~0)| 10)) (not (<= 0 (+ |old(~a12~0)| 41)))))) [2020-10-29 07:33:57,185 INFO L274 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-10-29 07:33:57,185 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 07:33:57,185 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 07:33:57,185 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-29 07:33:57,185 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,186 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,187 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,187 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-29 07:33:57,187 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse9 (= ~a21~0 |old(~a21~0)|)) (.cse20 (= ~a15~0 |old(~a15~0)|)) (.cse8 (= ~a24~0 |old(~a24~0)|)) (.cse14 (= ~a15~0 8)) (.cse10 (= ~a12~0 |old(~a12~0)|))) (let ((.cse1 (not (<= 7 |old(~a21~0)|))) (.cse2 (not (<= |old(~a21~0)| 7))) (.cse4 (and (<= ~a21~0 7) (<= 7 ~a21~0) .cse8 .cse14 .cse10)) (.cse0 (not (= 8 |old(~a15~0)|))) (.cse5 (not (= 10 |old(~a21~0)|))) (.cse19 (not (<= 9 |old(~a15~0)|))) (.cse17 (= ~a21~0 6)) (.cse18 (not (= 6 |old(~a21~0)|))) (.cse3 (not (<= |old(~a12~0)| 2))) (.cse16 (not (<= 19 |old(~a12~0)|))) (.cse11 (= 5 |old(~a15~0)|)) (.cse12 (not (= 9 |old(~a21~0)|))) (.cse13 (and .cse8 (= ~a21~0 9) .cse10 .cse20)) (.cse6 (and .cse8 .cse9 .cse10 .cse20)) (.cse15 (not (<= |old(~a21~0)| 8))) (.cse7 (not (= 7 |old(~a15~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= 0 (+ |old(~a12~0)| 21)))) (or .cse5 .cse6 (not (<= |old(~a12~0)| 10)) (not (<= 0 (+ |old(~a12~0)| 41)))) (or .cse5 .cse7 (and (= 7 ~a15~0) .cse8 .cse9 .cse10)) (or .cse5 .cse6 (not (<= 80 |old(~a12~0)|))) (or (not (= |old(~a24~0)| 1)) (and (= 5 ~a15~0) .cse9 (= ~a24~0 1) .cse10) (not .cse11)) (or .cse11 .cse12 .cse13 (not (<= |old(~a12~0)| 11))) (or .cse13 .cse12 .cse7) (or .cse5 .cse0 (and .cse8 .cse9 .cse14 .cse10)) (or .cse6 .cse11 (not (<= |old(~a12~0)| 73282)) (not (<= 12 |old(~a12~0)|)) .cse15) (or (not (= (+ |old(~a12~0)| 49) 0)) .cse0 .cse1 .cse2 .cse4) (or .cse16 .cse0 (and .cse8 .cse14 .cse17 .cse10) .cse18) (or .cse19 .cse6 .cse15) (or .cse5 .cse19 .cse6 (not (<= |old(~a12~0)| 76))) (or (and .cse8 .cse17 .cse10 .cse20) .cse18 .cse3) (or .cse16 .cse11 .cse12 .cse13) (or .cse6 .cse15 .cse7)))) [2020-10-29 07:33:57,187 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-29 07:33:57,187 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 07:33:57,187 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 07:33:57,187 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 07:33:57,187 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-29 07:33:57,187 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-29 07:33:57,188 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-29 07:33:57,188 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,188 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,188 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,188 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 07:33:57,188 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 07:33:57,188 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 07:33:57,188 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-29 07:33:57,188 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-29 07:33:57,188 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-29 07:33:57,189 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-29 07:33:57,189 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-29 07:33:57,189 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,189 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,189 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,189 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-29 07:33:57,189 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-29 07:33:57,189 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 07:33:57,189 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 07:33:57,189 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 07:33:57,189 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-29 07:33:57,190 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-29 07:33:57,190 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-29 07:33:57,190 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,190 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,190 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,190 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-29 07:33:57,190 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 07:33:57,190 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 07:33:57,190 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 07:33:57,190 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-29 07:33:57,190 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-29 07:33:57,191 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-29 07:33:57,191 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-29 07:33:57,191 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,191 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,191 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,191 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-29 07:33:57,191 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 07:33:57,191 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 07:33:57,191 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 07:33:57,191 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-29 07:33:57,191 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-29 07:33:57,192 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-29 07:33:57,192 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-29 07:33:57,192 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,192 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,192 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-29 07:33:57,192 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 07:33:57,192 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 07:33:57,192 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-29 07:33:57,192 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-29 07:33:57,192 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-29 07:33:57,192 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-29 07:33:57,192 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-29 07:33:57,193 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,193 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,193 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-29 07:33:57,193 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 07:33:57,193 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 07:33:57,193 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-29 07:33:57,193 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-29 07:33:57,193 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-29 07:33:57,193 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,193 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,193 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-29 07:33:57,193 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-29 07:33:57,194 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 07:33:57,194 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 07:33:57,194 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-29 07:33:57,194 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-29 07:33:57,194 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-29 07:33:57,194 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-29 07:33:57,194 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,194 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,194 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-29 07:33:57,194 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-29 07:33:57,194 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 07:33:57,194 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 07:33:57,195 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,195 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-29 07:33:57,195 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-29 07:33:57,195 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-29 07:33:57,195 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,195 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,195 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-29 07:33:57,195 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-29 07:33:57,195 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 07:33:57,195 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 07:33:57,195 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-29 07:33:57,196 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-29 07:33:57,196 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,196 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,196 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 07:33:57,196 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,196 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-29 07:33:57,196 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-29 07:33:57,196 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-29 07:33:57,196 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 07:33:57,196 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 07:33:57,196 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-29 07:33:57,197 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-29 07:33:57,198 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-29 07:33:57,198 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-29 07:33:57,198 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,198 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,198 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,198 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-29 07:33:57,198 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-29 07:33:57,198 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 07:33:57,198 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 07:33:57,198 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 07:33:57,198 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-29 07:33:57,199 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-29 07:33:57,199 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-29 07:33:57,199 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,199 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,199 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,199 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-29 07:33:57,199 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 07:33:57,199 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 07:33:57,199 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 07:33:57,199 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-29 07:33:57,200 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-29 07:33:57,200 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-29 07:33:57,200 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-29 07:33:57,200 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-29 07:33:57,200 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,200 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,200 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:33:57,200 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 07:33:57,200 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a15~0 8) (= (+ ~a12~0 49) 0)) [2020-10-29 07:33:57,201 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 07:33:57,201 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 07:33:57,201 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= (+ |old(~a12~0)| 49) 0)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-10-29 07:33:57,201 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse4 (= 5 ~a15~0))) (let ((.cse2 (= 7 ~a15~0)) (.cse11 (<= 19 ~a12~0)) (.cse12 (= ~a21~0 6)) (.cse0 (= ~a21~0 10)) (.cse1 (<= 9 ~a15~0)) (.cse7 (<= ~a21~0 8)) (.cse5 (<= ~a21~0 7)) (.cse6 (<= 7 ~a21~0)) (.cse8 (<= 0 (+ ~a12~0 21))) (.cse3 (= ~a15~0 8)) (.cse13 (<= ~a12~0 2)) (.cse10 (not .cse4)) (.cse9 (= ~a21~0 9))) (or (and .cse0 .cse1 (<= ~a12~0 76)) (not (= 8 |old(~a15~0)|)) (and .cse2 .cse0) (not (<= |old(~a21~0)| 7)) (and .cse0 .cse3) (and .cse4 (= ~a24~0 1)) (and .cse5 .cse6 (= ~a24~0 |old(~a24~0)|) .cse3 (= ~a12~0 |old(~a12~0)|)) (and .cse2 .cse7) (and (<= ~a12~0 10) .cse8 .cse0) (and .cse2 .cse9) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse10 .cse9 .cse11) (and .cse12 .cse11 (= ~a15~0 |old(~a15~0)|)) (and .cse10 (<= 12 ~a12~0) (<= ~a12~0 73282) .cse7) (and (<= 0 (+ ~a12~0 41)) .cse0 .cse13) (and .cse12 .cse13) (and (<= 80 ~a12~0) .cse0) (not (<= 7 |old(~a21~0)|)) (and .cse1 .cse7) (and .cse5 .cse6 .cse8 .cse3 .cse13) (and .cse10 (<= ~a12~0 11) .cse9)))) [2020-10-29 07:33:57,201 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-29 07:33:57,201 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-29 07:33:57,202 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-29 07:33:57,202 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse4 (= 5 ~a15~0))) (let ((.cse2 (= 7 ~a15~0)) (.cse11 (<= 19 ~a12~0)) (.cse12 (= ~a21~0 6)) (.cse0 (= ~a21~0 10)) (.cse1 (<= 9 ~a15~0)) (.cse7 (<= ~a21~0 8)) (.cse5 (<= ~a21~0 7)) (.cse6 (<= 7 ~a21~0)) (.cse8 (<= 0 (+ ~a12~0 21))) (.cse3 (= ~a15~0 8)) (.cse13 (<= ~a12~0 2)) (.cse10 (not .cse4)) (.cse9 (= ~a21~0 9))) (or (and .cse0 .cse1 (<= ~a12~0 76)) (not (= 8 |old(~a15~0)|)) (and .cse2 .cse0) (not (<= |old(~a21~0)| 7)) (and .cse0 .cse3) (and .cse4 (= ~a24~0 1)) (and .cse5 .cse6 (= ~a24~0 |old(~a24~0)|) .cse3 (= ~a12~0 |old(~a12~0)|)) (and .cse2 .cse7) (and (<= ~a12~0 10) .cse8 .cse0) (and .cse2 .cse9) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse10 .cse9 .cse11) (and .cse12 .cse11 (= ~a15~0 |old(~a15~0)|)) (and .cse10 (<= 12 ~a12~0) (<= ~a12~0 73282) .cse7) (and (<= 0 (+ ~a12~0 41)) .cse0 .cse13) (and .cse12 .cse13) (and (<= 80 ~a12~0) .cse0) (not (<= 7 |old(~a21~0)|)) (and .cse1 .cse7) (and .cse5 .cse6 .cse8 .cse3 .cse13) (and .cse10 (<= ~a12~0 11) .cse9)))) [2020-10-29 07:33:57,202 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-29 07:33:57,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 07:33:57 BoogieIcfgContainer [2020-10-29 07:33:57,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 07:33:57,227 INFO L168 Benchmark]: Toolchain (without parser) took 201152.96 ms. Allocated memory was 151.0 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 123.3 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2020-10-29 07:33:57,228 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 07:33:57,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.76 ms. Allocated memory is still 151.0 MB. Free memory was 122.6 MB in the beginning and 90.7 MB in the end (delta: 31.9 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2020-10-29 07:33:57,231 INFO L168 Benchmark]: Boogie Preprocessor took 152.05 ms. Allocated memory is still 151.0 MB. Free memory was 90.7 MB in the beginning and 130.0 MB in the end (delta: -39.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 8.0 GB. [2020-10-29 07:33:57,232 INFO L168 Benchmark]: RCFGBuilder took 1627.23 ms. Allocated memory was 151.0 MB in the beginning and 192.9 MB in the end (delta: 41.9 MB). Free memory was 130.0 MB in the beginning and 129.7 MB in the end (delta: 261.1 kB). Peak memory consumption was 89.9 MB. Max. memory is 8.0 GB. [2020-10-29 07:33:57,232 INFO L168 Benchmark]: TraceAbstraction took 198532.48 ms. Allocated memory was 192.9 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 129.2 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2020-10-29 07:33:57,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 826.76 ms. Allocated memory is still 151.0 MB. Free memory was 122.6 MB in the beginning and 90.7 MB in the end (delta: 31.9 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 152.05 ms. Allocated memory is still 151.0 MB. Free memory was 90.7 MB in the beginning and 130.0 MB in the end (delta: -39.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1627.23 ms. Allocated memory was 151.0 MB in the beginning and 192.9 MB in the end (delta: 41.9 MB). Free memory was 130.0 MB in the beginning and 129.7 MB in the end (delta: 261.1 kB). Peak memory consumption was 89.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 198532.48 ms. Allocated memory was 192.9 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 129.2 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.7 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: 882]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a21 == 10 && 9 <= a15) && a12 <= 76) || !(8 == \old(a15))) || (7 == a15 && a21 == 10)) || !(\old(a21) <= 7)) || (a21 == 10 && a15 == 8)) || (5 == a15 && a24 == 1)) || ((((a21 <= 7 && 7 <= a21) && a24 == \old(a24)) && a15 == 8) && a12 == \old(a12))) || (7 == a15 && a21 <= 8)) || ((a12 <= 10 && 0 <= a12 + 21) && a21 == 10)) || (7 == a15 && a21 == 9)) || !(\old(a12) + 49 == 0)) || ((!(5 == a15) && a21 == 9) && 19 <= a12)) || ((a21 == 6 && 19 <= a12) && a15 == \old(a15))) || (((!(5 == a15) && 12 <= a12) && a12 <= 73282) && a21 <= 8)) || ((0 <= a12 + 41 && a21 == 10) && a12 <= 2)) || (a21 == 6 && a12 <= 2)) || (80 <= a12 && a21 == 10)) || !(7 <= \old(a21))) || (9 <= a15 && a21 <= 8)) || ((((a21 <= 7 && 7 <= a21) && 0 <= a12 + 21) && a15 == 8) && a12 <= 2)) || ((!(5 == a15) && a12 <= 11) && a21 == 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 185.9s, OverallIterations: 22, TraceHistogramMax: 14, AutomataDifference: 52.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 653 SDtfs, 11371 SDslu, 864 SDs, 0 SdLazy, 24569 SolverSat, 2080 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 616 GetRequests, 410 SyntacticMatches, 5 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9241occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 2064 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1202 PreInvPairs, 1328 NumberOfFragments, 1097 HoareAnnotationTreeSize, 1202 FomulaSimplifications, 359999 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 93335 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 113.8s InterpolantComputationTime, 18808 NumberOfCodeBlocks, 18808 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 18786 ConstructedInterpolants, 0 QuantifiedInterpolants, 33838016 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 2 PerfectInterpolantSequences, 62265/65153 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!