/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_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 07:32:25,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 07:32:25,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 07:32:25,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 07:32:25,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 07:32:25,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 07:32:25,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 07:32:25,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 07:32:25,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 07:32:25,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 07:32:25,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 07:32:25,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 07:32:25,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 07:32:25,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 07:32:25,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 07:32:25,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 07:32:25,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 07:32:25,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 07:32:25,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 07:32:25,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 07:32:25,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 07:32:25,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 07:32:25,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 07:32:25,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 07:32:25,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 07:32:25,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 07:32:25,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 07:32:25,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 07:32:25,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 07:32:25,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 07:32:25,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 07:32:25,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 07:32:25,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 07:32:25,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 07:32:25,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 07:32:25,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 07:32:25,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 07:32:25,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 07:32:25,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 07:32:25,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 07:32:25,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 07:32:25,628 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 07:32:25,685 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 07:32:25,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 07:32:25,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 07:32:25,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 07:32:25,690 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 07:32:25,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 07:32:25,690 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 07:32:25,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 07:32:25,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 07:32:25,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 07:32:25,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 07:32:25,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 07:32:25,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 07:32:25,692 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 07:32:25,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 07:32:25,693 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 07:32:25,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 07:32:25,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 07:32:25,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 07:32:25,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 07:32:25,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 07:32:25,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 07:32:25,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 07:32:25,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 07:32:25,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 07:32:25,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 07:32:25,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 07:32:25,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 07:32:25,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 07:32:25,695 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 07:32:26,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 07:32:26,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 07:32:26,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 07:32:26,148 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 07:32:26,149 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 07:32:26,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-10-29 07:32:26,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/07e7ea03e/5ad6bc0bf2fc411aba6cff2e023f7359/FLAG29ab2ef7c [2020-10-29 07:32:26,969 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 07:32:26,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2020-10-29 07:32:26,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/07e7ea03e/5ad6bc0bf2fc411aba6cff2e023f7359/FLAG29ab2ef7c [2020-10-29 07:32:27,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/07e7ea03e/5ad6bc0bf2fc411aba6cff2e023f7359 [2020-10-29 07:32:27,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 07:32:27,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 07:32:27,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 07:32:27,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 07:32:27,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 07:32:27,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 07:32:27" (1/1) ... [2020-10-29 07:32:27,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55176a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:32:27, skipping insertion in model container [2020-10-29 07:32:27,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 07:32:27" (1/1) ... [2020-10-29 07:32:27,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 07:32:27,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 07:32:27,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 07:32:28,024 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 07:32:28,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 07:32:28,224 INFO L208 MainTranslator]: Completed translation [2020-10-29 07:32:28,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:32:28 WrapperNode [2020-10-29 07:32:28,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 07:32:28,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 07:32:28,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 07:32:28,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 07:32:28,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:32:28" (1/1) ... [2020-10-29 07:32:28,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:32:28" (1/1) ... [2020-10-29 07:32:28,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:32:28" (1/1) ... [2020-10-29 07:32:28,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:32:28" (1/1) ... [2020-10-29 07:32:28,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:32:28" (1/1) ... [2020-10-29 07:32:28,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:32:28" (1/1) ... [2020-10-29 07:32:28,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:32:28" (1/1) ... [2020-10-29 07:32:28,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 07:32:28,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 07:32:28,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 07:32:28,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 07:32:28,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:32:28" (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 07:32:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 07:32:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 07:32:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 07:32:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 07:32:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 07:32:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 07:32:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 07:32:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 07:32:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 07:32:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 07:32:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 07:32:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 07:32:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 07:32:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 07:32:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 07:32:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 07:32:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 07:32:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 07:32:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 07:32:30,101 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 07:32:30,102 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 07:32:30,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 07:32:30 BoogieIcfgContainer [2020-10-29 07:32:30,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 07:32:30,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 07:32:30,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 07:32:30,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 07:32:30,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 07:32:27" (1/3) ... [2020-10-29 07:32:30,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0d9d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 07:32:30, skipping insertion in model container [2020-10-29 07:32:30,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:32:28" (2/3) ... [2020-10-29 07:32:30,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0d9d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 07:32:30, skipping insertion in model container [2020-10-29 07:32:30,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 07:32:30" (3/3) ... [2020-10-29 07:32:30,113 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2020-10-29 07:32:30,125 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 07:32:30,131 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 07:32:30,144 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 07:32:30,173 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 07:32:30,173 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 07:32:30,173 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 07:32:30,174 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 07:32:30,174 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 07:32:30,174 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 07:32:30,174 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 07:32:30,174 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 07:32:30,198 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-29 07:32:30,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-29 07:32:30,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:32:30,207 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] [2020-10-29 07:32:30,207 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:32:30,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:32:30,214 INFO L82 PathProgramCache]: Analyzing trace with hash -735346048, now seen corresponding path program 1 times [2020-10-29 07:32:30,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:32:30,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1396623903] [2020-10-29 07:32:30,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:32:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:30,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:30,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:30,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 07:32:30,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:30,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 602 [2020-10-29 07:32:30,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:30,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:30,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:32:30,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:32:30,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 07:32:30,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 07:32:31,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:32:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:31,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:31,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:31,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:32:31,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:31,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 07:32:31,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:31,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:32:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:32:31,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:32:31,195 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 07:32:31,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1396623903] [2020-10-29 07:32:31,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 07:32:31,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 07:32:31,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487462771] [2020-10-29 07:32:31,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 07:32:31,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:32:31,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 07:32:31,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 07:32:31,221 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 4 states. [2020-10-29 07:32:33,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:32:33,519 INFO L93 Difference]: Finished difference Result 719 states and 1261 transitions. [2020-10-29 07:32:33,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 07:32:33,522 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-10-29 07:32:33,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:32:33,539 INFO L225 Difference]: With dead ends: 719 [2020-10-29 07:32:33,540 INFO L226 Difference]: Without dead ends: 381 [2020-10-29 07:32:33,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 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 07:32:33,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-29 07:32:33,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2020-10-29 07:32:33,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-10-29 07:32:33,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 526 transitions. [2020-10-29 07:32:33,633 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 526 transitions. Word has length 50 [2020-10-29 07:32:33,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:32:33,634 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 526 transitions. [2020-10-29 07:32:33,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 07:32:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 526 transitions. [2020-10-29 07:32:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-29 07:32:33,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:32:33,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:32:33,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 07:32:33,641 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:32:33,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:32:33,642 INFO L82 PathProgramCache]: Analyzing trace with hash -606421564, now seen corresponding path program 1 times [2020-10-29 07:32:33,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:32:33,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329856644] [2020-10-29 07:32:33,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:32:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:33,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:33,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:35,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:35,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 07:32:35,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:32:35,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1671 [2020-10-29 07:32:35,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:35,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:32:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:32:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 07:32:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:32:35,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:32:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:35,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:35,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:35,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:32:35,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:35,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 07:32:35,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:35,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:32:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:35,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:32:35,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:32:35,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:32:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:35,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:35,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:35,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 07:32:35,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:35,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-29 07:32:35,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:35,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:35,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:35,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 07:32:35,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 19 [2020-10-29 07:32:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:32:35,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329856644] [2020-10-29 07:32:35,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 07:32:35,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 07:32:35,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431976214] [2020-10-29 07:32:35,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:32:35,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:32:35,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:32:35,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:32:35,917 INFO L87 Difference]: Start difference. First operand 375 states and 526 transitions. Second operand 7 states. [2020-10-29 07:32:38,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:32:38,114 INFO L93 Difference]: Finished difference Result 946 states and 1300 transitions. [2020-10-29 07:32:38,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:32:38,115 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-10-29 07:32:38,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:32:38,125 INFO L225 Difference]: With dead ends: 946 [2020-10-29 07:32:38,126 INFO L226 Difference]: Without dead ends: 577 [2020-10-29 07:32:38,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-29 07:32:38,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-10-29 07:32:38,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 559. [2020-10-29 07:32:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-10-29 07:32:38,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 723 transitions. [2020-10-29 07:32:38,220 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 723 transitions. Word has length 123 [2020-10-29 07:32:38,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:32:38,221 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 723 transitions. [2020-10-29 07:32:38,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:32:38,221 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 723 transitions. [2020-10-29 07:32:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-29 07:32:38,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:32:38,241 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, 2, 2, 2, 2, 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] [2020-10-29 07:32:38,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 07:32:38,242 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:32:38,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:32:38,243 INFO L82 PathProgramCache]: Analyzing trace with hash -346989124, now seen corresponding path program 1 times [2020-10-29 07:32:38,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:32:38,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [620415728] [2020-10-29 07:32:38,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:32:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:38,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:38,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:38,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:39,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:41,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:42,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:42,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 07:32:42,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:32:42,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3831 [2020-10-29 07:32:42,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:42,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 07:32:42,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:32:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-29 07:32:42,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:42,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:32:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:42,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:42,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:42,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:32:42,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:42,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:32:42,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:42,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:32:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:32:42,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:32:42,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:32:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:42,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:42,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:42,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 07:32:42,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:42,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 07:32:42,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:42,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:32:42,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:42,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 07:32:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:42,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:42,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:42,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 07:32:42,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:42,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-29 07:32:42,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:42,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:42,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 07:32:42,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:42,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 07:32:42,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:43,005 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 31 proven. 119 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 07:32:43,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [620415728] [2020-10-29 07:32:43,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:32:43,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 07:32:43,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153326977] [2020-10-29 07:32:43,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 07:32:43,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:32:43,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 07:32:43,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-29 07:32:43,009 INFO L87 Difference]: Start difference. First operand 559 states and 723 transitions. Second operand 9 states. [2020-10-29 07:32:46,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:32:46,368 INFO L93 Difference]: Finished difference Result 993 states and 1397 transitions. [2020-10-29 07:32:46,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 07:32:46,370 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 193 [2020-10-29 07:32:46,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:32:46,376 INFO L225 Difference]: With dead ends: 993 [2020-10-29 07:32:46,376 INFO L226 Difference]: Without dead ends: 767 [2020-10-29 07:32:46,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-10-29 07:32:46,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2020-10-29 07:32:46,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 745. [2020-10-29 07:32:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-10-29 07:32:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 893 transitions. [2020-10-29 07:32:46,409 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 893 transitions. Word has length 193 [2020-10-29 07:32:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:32:46,410 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 893 transitions. [2020-10-29 07:32:46,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 07:32:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 893 transitions. [2020-10-29 07:32:46,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-29 07:32:46,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:32:46,416 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, 2, 2, 2, 2, 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] [2020-10-29 07:32:46,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 07:32:46,416 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:32:46,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:32:46,417 INFO L82 PathProgramCache]: Analyzing trace with hash 857146024, now seen corresponding path program 1 times [2020-10-29 07:32:46,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:32:46,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743113688] [2020-10-29 07:32:46,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:32:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:46,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:46,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:46,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:46,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:47,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:49,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:51,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-29 07:32:51,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 07:32:51,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 07:32:51,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:51,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:51,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 07:32:51,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:32:51,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-29 07:32:51,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:32:51,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:32:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:51,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:51,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:32:51,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:51,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 07:32:51,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:51,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:32:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:51,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:32:51,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 07:32:51,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:32:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:51,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:51,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 07:32:51,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:51,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 07:32:51,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:51,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:32:51,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:51,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 07:32:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:51,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:51,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:51,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:32:51,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:51,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-29 07:32:51,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:51,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 07:32:51,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:52,188 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 85 proven. 65 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 07:32:52,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [743113688] [2020-10-29 07:32:52,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:32:52,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:32:52,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257842693] [2020-10-29 07:32:52,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 07:32:52,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:32:52,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 07:32:52,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:32:52,191 INFO L87 Difference]: Start difference. First operand 745 states and 893 transitions. Second operand 8 states. [2020-10-29 07:32:54,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:32:54,400 INFO L93 Difference]: Finished difference Result 1318 states and 1605 transitions. [2020-10-29 07:32:54,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 07:32:54,401 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 203 [2020-10-29 07:32:54,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:32:54,409 INFO L225 Difference]: With dead ends: 1318 [2020-10-29 07:32:54,409 INFO L226 Difference]: Without dead ends: 945 [2020-10-29 07:32:54,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-29 07:32:54,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2020-10-29 07:32:54,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 931. [2020-10-29 07:32:54,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-10-29 07:32:54,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1095 transitions. [2020-10-29 07:32:54,460 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1095 transitions. Word has length 203 [2020-10-29 07:32:54,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:32:54,462 INFO L481 AbstractCegarLoop]: Abstraction has 931 states and 1095 transitions. [2020-10-29 07:32:54,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 07:32:54,462 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1095 transitions. [2020-10-29 07:32:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-29 07:32:54,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:32:54,468 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, 2, 2, 2, 2, 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] [2020-10-29 07:32:54,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 07:32:54,468 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:32:54,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:32:54,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1587511436, now seen corresponding path program 1 times [2020-10-29 07:32:54,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:32:54,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276947893] [2020-10-29 07:32:54,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:32:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:54,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:54,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:54,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:55,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:57,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:59,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:59,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-29 07:32:59,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:32:59,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4953 [2020-10-29 07:32:59,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:59,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 07:32:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-29 07:32:59,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:59,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:32:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:59,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:59,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:59,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:32:59,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:59,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 07:32:59,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:59,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:59,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:32:59,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:59,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:32:59,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:59,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:32:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:59,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:59,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:59,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 07:32:59,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:59,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 07:32:59,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:59,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:59,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:32:59,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:32:59,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 07:32:59,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:32:59,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 07:32:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:32:59,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:32:59,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:32:59,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:32:59,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:32:59,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-29 07:32:59,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:32:59,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:32:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:32:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:32:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 07:32:59,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:33:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 07:33:00,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276947893] [2020-10-29 07:33:00,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:00,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 07:33:00,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232454671] [2020-10-29 07:33:00,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 07:33:00,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:00,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 07:33:00,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:33:00,199 INFO L87 Difference]: Start difference. First operand 931 states and 1095 transitions. Second operand 8 states. [2020-10-29 07:33:03,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:03,614 INFO L93 Difference]: Finished difference Result 2646 states and 3286 transitions. [2020-10-29 07:33:03,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:33:03,615 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 229 [2020-10-29 07:33:03,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:03,626 INFO L225 Difference]: With dead ends: 2646 [2020-10-29 07:33:03,626 INFO L226 Difference]: Without dead ends: 1521 [2020-10-29 07:33:03,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:33:03,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2020-10-29 07:33:03,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1305. [2020-10-29 07:33:03,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1305 states. [2020-10-29 07:33:03,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1466 transitions. [2020-10-29 07:33:03,696 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1466 transitions. Word has length 229 [2020-10-29 07:33:03,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:03,696 INFO L481 AbstractCegarLoop]: Abstraction has 1305 states and 1466 transitions. [2020-10-29 07:33:03,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 07:33:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1466 transitions. [2020-10-29 07:33:03,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-29 07:33:03,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:33:03,701 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 07:33:03,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 07:33:03,702 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:33:03,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:33:03,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1748412356, now seen corresponding path program 1 times [2020-10-29 07:33:03,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:33:03,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904321372] [2020-10-29 07:33:03,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:33:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:03,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:03,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:04,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:05,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:05,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-29 07:33:05,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:33:05,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2047 [2020-10-29 07:33:05,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:05,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:05,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 07:33:05,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:33:05,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-10-29 07:33:05,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:05,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:33:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:05,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:05,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:05,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:33:05,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:05,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 07:33:05,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:05,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:05,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:05,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:05,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:33:05,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:33:05,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:33:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:06,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:06,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:06,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:06,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:33:06,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:33:06,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-29 07:33:06,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:06,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-29 07:33:06,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:06,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:33:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:06,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:06,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:06,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:06,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:33:06,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:33:06,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 07:33:06,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:06,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:33:06,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-29 07:33:06,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904321372] [2020-10-29 07:33:06,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:06,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 07:33:06,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921978647] [2020-10-29 07:33:06,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 07:33:06,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:06,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 07:33:06,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 07:33:06,519 INFO L87 Difference]: Start difference. First operand 1305 states and 1466 transitions. Second operand 6 states. [2020-10-29 07:33:09,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:09,150 INFO L93 Difference]: Finished difference Result 2428 states and 2800 transitions. [2020-10-29 07:33:09,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:33:09,152 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 269 [2020-10-29 07:33:09,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:09,160 INFO L225 Difference]: With dead ends: 2428 [2020-10-29 07:33:09,161 INFO L226 Difference]: Without dead ends: 1495 [2020-10-29 07:33:09,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:33:09,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2020-10-29 07:33:09,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1307. [2020-10-29 07:33:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1307 states. [2020-10-29 07:33:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1467 transitions. [2020-10-29 07:33:09,207 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1467 transitions. Word has length 269 [2020-10-29 07:33:09,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:09,208 INFO L481 AbstractCegarLoop]: Abstraction has 1307 states and 1467 transitions. [2020-10-29 07:33:09,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 07:33:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1467 transitions. [2020-10-29 07:33:09,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2020-10-29 07:33:09,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:33:09,218 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, 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, 2, 2, 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] [2020-10-29 07:33:09,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 07:33:09,218 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:33:09,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:33:09,219 INFO L82 PathProgramCache]: Analyzing trace with hash -98171344, now seen corresponding path program 1 times [2020-10-29 07:33:09,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:33:09,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [595427626] [2020-10-29 07:33:09,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:33:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:09,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:09,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:09,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:11,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:11,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:14,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:14,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 443 [2020-10-29 07:33:14,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:33:14,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-29 07:33:14,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:14,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:14,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:14,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-29 07:33:14,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 07:33:14,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:14,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:33:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:14,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:14,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:14,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:33:14,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:14,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:33:14,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:14,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:14,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:14,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:33:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:14,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:14,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:14,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:33:14,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:14,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 07:33:14,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:14,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:14,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:14,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:14,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:14,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:14,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:33:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:14,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:14,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:14,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:33:14,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:14,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-29 07:33:14,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:14,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:14,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:14,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:14,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:33:14,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:14,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:33:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:14,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:14,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:14,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 07:33:14,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:14,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 07:33:14,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:14,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:14,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:14,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:33:14,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 07:33:14,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:14,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-10-29 07:33:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:14,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:14,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:14,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:33:14,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:14,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:33:14,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:14,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:14,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:14,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-29 07:33:14,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:14,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:33:15,095 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 321 proven. 72 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-10-29 07:33:15,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [595427626] [2020-10-29 07:33:15,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:15,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:33:15,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627623127] [2020-10-29 07:33:15,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:33:15,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:15,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:33:15,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:33:15,100 INFO L87 Difference]: Start difference. First operand 1307 states and 1467 transitions. Second operand 7 states. [2020-10-29 07:33:17,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:17,117 INFO L93 Difference]: Finished difference Result 2994 states and 3489 transitions. [2020-10-29 07:33:17,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 07:33:17,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 425 [2020-10-29 07:33:17,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:17,128 INFO L225 Difference]: With dead ends: 2994 [2020-10-29 07:33:17,128 INFO L226 Difference]: Without dead ends: 1875 [2020-10-29 07:33:17,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 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 07:33:17,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2020-10-29 07:33:17,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1869. [2020-10-29 07:33:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1869 states. [2020-10-29 07:33:17,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1869 states and 2096 transitions. [2020-10-29 07:33:17,191 INFO L78 Accepts]: Start accepts. Automaton has 1869 states and 2096 transitions. Word has length 425 [2020-10-29 07:33:17,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:17,192 INFO L481 AbstractCegarLoop]: Abstraction has 1869 states and 2096 transitions. [2020-10-29 07:33:17,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:33:17,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2096 transitions. [2020-10-29 07:33:17,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-10-29 07:33:17,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:33:17,203 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, 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, 2, 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] [2020-10-29 07:33:17,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 07:33:17,203 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:33:17,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:33:17,204 INFO L82 PathProgramCache]: Analyzing trace with hash 687905280, now seen corresponding path program 1 times [2020-10-29 07:33:17,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:33:17,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934115053] [2020-10-29 07:33:17,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:33:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:17,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:17,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:17,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:18,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:19,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:19,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:21,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:21,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 454 [2020-10-29 07:33:21,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 07:33:21,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4537 [2020-10-29 07:33:21,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:21,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:21,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:33:21,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-29 07:33:21,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-29 07:33:21,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:21,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:33:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:21,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:21,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:21,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:33:21,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:21,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:33:21,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:21,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:21,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:21,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:21,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:21,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:21,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:33:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:21,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:22,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:22,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:33:22,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 07:33:22,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:22,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:22,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:22,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:33:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:22,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:22,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:22,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:33:22,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:22,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-29 07:33:22,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:22,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:33:22,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:22,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:33:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:22,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:22,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:22,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:22,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 07:33:22,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:33:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 07:33:22,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:22,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:33:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 07:33:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:22,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-10-29 07:33:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:22,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:22,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:22,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:33:22,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:22,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 07:33:22,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:22,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:22,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:22,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:33:22,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 07:33:22,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 573 proven. 6 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-29 07:33:22,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934115053] [2020-10-29 07:33:22,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:22,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 07:33:22,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338902538] [2020-10-29 07:33:22,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 07:33:22,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:22,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 07:33:22,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-29 07:33:22,648 INFO L87 Difference]: Start difference. First operand 1869 states and 2096 transitions. Second operand 9 states. [2020-10-29 07:33:25,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:25,906 INFO L93 Difference]: Finished difference Result 3598 states and 4123 transitions. [2020-10-29 07:33:25,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 07:33:25,907 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 436 [2020-10-29 07:33:25,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:25,918 INFO L225 Difference]: With dead ends: 3598 [2020-10-29 07:33:25,918 INFO L226 Difference]: Without dead ends: 2101 [2020-10-29 07:33:25,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-29 07:33:25,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2020-10-29 07:33:25,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 2059. [2020-10-29 07:33:25,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2059 states. [2020-10-29 07:33:26,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2280 transitions. [2020-10-29 07:33:26,006 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2280 transitions. Word has length 436 [2020-10-29 07:33:26,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:26,007 INFO L481 AbstractCegarLoop]: Abstraction has 2059 states and 2280 transitions. [2020-10-29 07:33:26,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 07:33:26,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2280 transitions. [2020-10-29 07:33:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2020-10-29 07:33:26,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:33:26,012 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, 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, 2, 2, 2, 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 07:33:26,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 07:33:26,013 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:33:26,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:33:26,014 INFO L82 PathProgramCache]: Analyzing trace with hash 790948352, now seen corresponding path program 1 times [2020-10-29 07:33:26,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:33:26,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859483827] [2020-10-29 07:33:26,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:33:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:26,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:26,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:26,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:28,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:30,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:31,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:31,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 467 [2020-10-29 07:33:31,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:33:31,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 07:33:31,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:31,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 07:33:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:33:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-29 07:33:31,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:31,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:33:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:31,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:31,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:31,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:33:31,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:31,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 07:33:31,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:31,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:33:31,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:31,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:33:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:31,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:31,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:31,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:33:31,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:31,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-29 07:33:31,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:31,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:31,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:31,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:33:31,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 07:33:31,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:31,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:33:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:31,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:31,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:31,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 07:33:31,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:31,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-29 07:33:31,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:31,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:31,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:31,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:33:31,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-29 07:33:31,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:31,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-29 07:33:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:31,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:31,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:31,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 07:33:31,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:31,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:33:31,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:31,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:31,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:31,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-29 07:33:31,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:31,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:31,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-10-29 07:33:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:31,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:31,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:31,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:33:31,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:31,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 07:33:31,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:31,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:31,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:31,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-29 07:33:31,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:31,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:32,147 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 177 proven. 397 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-29 07:33:32,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859483827] [2020-10-29 07:33:32,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:32,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 07:33:32,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912409440] [2020-10-29 07:33:32,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 07:33:32,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:32,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 07:33:32,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:33:32,149 INFO L87 Difference]: Start difference. First operand 2059 states and 2280 transitions. Second operand 8 states. [2020-10-29 07:33:34,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:34,143 INFO L93 Difference]: Finished difference Result 3756 states and 4196 transitions. [2020-10-29 07:33:34,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:33:34,143 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 449 [2020-10-29 07:33:34,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:34,153 INFO L225 Difference]: With dead ends: 3756 [2020-10-29 07:33:34,153 INFO L226 Difference]: Without dead ends: 2069 [2020-10-29 07:33:34,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:33:34,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2020-10-29 07:33:34,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2057. [2020-10-29 07:33:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2057 states. [2020-10-29 07:33:34,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 2277 transitions. [2020-10-29 07:33:34,212 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 2277 transitions. Word has length 449 [2020-10-29 07:33:34,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:34,213 INFO L481 AbstractCegarLoop]: Abstraction has 2057 states and 2277 transitions. [2020-10-29 07:33:34,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 07:33:34,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2277 transitions. [2020-10-29 07:33:34,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2020-10-29 07:33:34,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:33:34,221 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:34,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 07:33:34,221 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:33:34,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:33:34,222 INFO L82 PathProgramCache]: Analyzing trace with hash -537530532, now seen corresponding path program 1 times [2020-10-29 07:33:34,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:33:34,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25339555] [2020-10-29 07:33:34,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:33:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:34,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:34,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:36,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:36,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:36,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 723 [2020-10-29 07:33:39,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:33:39,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-29 07:33:39,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 586 [2020-10-29 07:33:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 07:33:39,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:33:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:39,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:33:39,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:39,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:33:39,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:39,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:39,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:33:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:39,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:33:39,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:39,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 07:33:39,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:39,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:33:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:39,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:33:39,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:39,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 07:33:39,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:39,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:39,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:39,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:33:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:39,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:33:39,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:39,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 07:33:39,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:39,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:39,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:39,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:33:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:39,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:33:39,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:39,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 07:33:39,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:39,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:39,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:39,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:33:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:39,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 07:33:39,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:39,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 07:33:39,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:39,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:39,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 07:33:39,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:39,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2020-10-29 07:33:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:39,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:39,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:39,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:33:39,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:39,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 07:33:39,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:39,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:33:39,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 07:33:39,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1613 backedges. 662 proven. 2 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2020-10-29 07:33:40,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25339555] [2020-10-29 07:33:40,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:40,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:33:40,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433105483] [2020-10-29 07:33:40,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:33:40,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:40,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:33:40,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:33:40,312 INFO L87 Difference]: Start difference. First operand 2057 states and 2277 transitions. Second operand 7 states. [2020-10-29 07:33:42,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:42,767 INFO L93 Difference]: Finished difference Result 4500 states and 5134 transitions. [2020-10-29 07:33:42,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:33:42,767 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 701 [2020-10-29 07:33:42,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:42,781 INFO L225 Difference]: With dead ends: 4500 [2020-10-29 07:33:42,781 INFO L226 Difference]: Without dead ends: 2621 [2020-10-29 07:33:42,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-29 07:33:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2621 states. [2020-10-29 07:33:42,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2621 to 2431. [2020-10-29 07:33:42,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2431 states. [2020-10-29 07:33:42,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2431 states and 2631 transitions. [2020-10-29 07:33:42,860 INFO L78 Accepts]: Start accepts. Automaton has 2431 states and 2631 transitions. Word has length 701 [2020-10-29 07:33:42,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:42,861 INFO L481 AbstractCegarLoop]: Abstraction has 2431 states and 2631 transitions. [2020-10-29 07:33:42,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:33:42,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 2631 transitions. [2020-10-29 07:33:42,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 805 [2020-10-29 07:33:42,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:33:42,874 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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 07:33:42,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 07:33:42,875 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:33:42,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:33:42,875 INFO L82 PathProgramCache]: Analyzing trace with hash 627908596, now seen corresponding path program 1 times [2020-10-29 07:33:42,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:33:42,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520314742] [2020-10-29 07:33:42,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:33:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:43,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:43,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:43,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:46,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:48,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:48,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 826 [2020-10-29 07:33:48,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:33:48,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 07:33:48,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:48,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:48,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-29 07:33:48,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:33:48,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:48,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:33:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:48,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:48,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:48,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:33:48,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:48,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:33:48,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:48,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:48,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:48,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:48,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:33:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:48,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:48,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:48,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:33:48,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:33:48,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:48,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:48,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:33:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:48,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:48,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:48,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:33:48,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:48,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:33:48,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:48,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:48,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:48,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:48,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:33:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:48,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:48,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:48,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:33:48,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:48,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:33:48,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:48,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:48,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:48,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:33:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:48,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:48,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:48,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:33:48,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:48,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-29 07:33:48,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:48,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-29 07:33:48,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:48,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:33:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:48,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:48,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:48,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:33:48,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:48,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-29 07:33:48,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:48,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:33:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:33:48,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:48,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-29 07:33:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:48,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:48,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:48,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:33:48,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:48,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:33:48,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:48,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 07:33:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:48,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:49,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 766 proven. 79 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2020-10-29 07:33:49,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520314742] [2020-10-29 07:33:49,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:49,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:33:49,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059585885] [2020-10-29 07:33:49,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:33:49,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:49,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:33:49,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:33:49,242 INFO L87 Difference]: Start difference. First operand 2431 states and 2631 transitions. Second operand 7 states. [2020-10-29 07:33:49,386 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-29 07:33:51,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:51,490 INFO L93 Difference]: Finished difference Result 5619 states and 6239 transitions. [2020-10-29 07:33:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:33:51,491 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 804 [2020-10-29 07:33:51,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:51,511 INFO L225 Difference]: With dead ends: 5619 [2020-10-29 07:33:51,511 INFO L226 Difference]: Without dead ends: 3560 [2020-10-29 07:33:51,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 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 07:33:51,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2020-10-29 07:33:51,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3369. [2020-10-29 07:33:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3369 states. [2020-10-29 07:33:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 3730 transitions. [2020-10-29 07:33:51,616 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 3730 transitions. Word has length 804 [2020-10-29 07:33:51,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:51,618 INFO L481 AbstractCegarLoop]: Abstraction has 3369 states and 3730 transitions. [2020-10-29 07:33:51,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:33:51,618 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 3730 transitions. [2020-10-29 07:33:51,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2020-10-29 07:33:51,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:33:51,630 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, 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, 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 07:33:51,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 07:33:51,630 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:33:51,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:33:51,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1223336200, now seen corresponding path program 1 times [2020-10-29 07:33:51,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:33:51,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821751295] [2020-10-29 07:33:51,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:33:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:51,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:52,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:52,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:53,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:56,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:56,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 904 [2020-10-29 07:33:56,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:33:56,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 07:33:56,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:56,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 770 [2020-10-29 07:33:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 07:33:56,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:56,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:33:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:56,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:56,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:56,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:33:56,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:56,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 07:33:56,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:56,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:56,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:56,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:33:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:56,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:57,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:57,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:33:57,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:57,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:33:57,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:57,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:57,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:57,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:57,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:57,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:57,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:33:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:57,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:57,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:57,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:33:57,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:57,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 07:33:57,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:57,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:57,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:57,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:33:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:57,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:57,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:57,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:33:57,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:57,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 07:33:57,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:57,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:57,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:57,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:57,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:57,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:57,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:33:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:57,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:57,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:57,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:33:57,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:57,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 07:33:57,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:57,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:57,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:57,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:57,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:57,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:57,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:33:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:57,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:57,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:57,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:33:57,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:33:57,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:57,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:57,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:33:57,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:57,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:33:57,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:57,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-29 07:33:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:57,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:57,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:57,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:33:57,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:57,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-29 07:33:57,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:57,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:33:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:33:57,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-29 07:33:57,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:57,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-29 07:33:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:33:57,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:33:57,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:33:57,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 07:33:57,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:33:57,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 07:33:57,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:33:57,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:33:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:33:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:33:57,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 07:33:57,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:33:57,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 777 proven. 2 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2020-10-29 07:33:57,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821751295] [2020-10-29 07:33:57,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:33:57,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:33:57,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78592100] [2020-10-29 07:33:57,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:33:57,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:33:57,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:33:57,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:33:57,953 INFO L87 Difference]: Start difference. First operand 3369 states and 3730 transitions. Second operand 7 states. [2020-10-29 07:33:59,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:33:59,793 INFO L93 Difference]: Finished difference Result 7672 states and 8706 transitions. [2020-10-29 07:33:59,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:33:59,794 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 880 [2020-10-29 07:33:59,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:33:59,814 INFO L225 Difference]: With dead ends: 7672 [2020-10-29 07:33:59,814 INFO L226 Difference]: Without dead ends: 4675 [2020-10-29 07:33:59,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:33:59,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4675 states. [2020-10-29 07:33:59,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4675 to 4673. [2020-10-29 07:33:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4673 states. [2020-10-29 07:33:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4673 states to 4673 states and 5285 transitions. [2020-10-29 07:33:59,948 INFO L78 Accepts]: Start accepts. Automaton has 4673 states and 5285 transitions. Word has length 880 [2020-10-29 07:33:59,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:33:59,950 INFO L481 AbstractCegarLoop]: Abstraction has 4673 states and 5285 transitions. [2020-10-29 07:33:59,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:33:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4673 states and 5285 transitions. [2020-10-29 07:33:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2020-10-29 07:33:59,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:33:59,964 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, 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, 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] [2020-10-29 07:33:59,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 07:33:59,964 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:33:59,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:33:59,965 INFO L82 PathProgramCache]: Analyzing trace with hash 296822280, now seen corresponding path program 1 times [2020-10-29 07:33:59,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:33:59,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064857836] [2020-10-29 07:33:59,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:34:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:00,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:00,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:00,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:03,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:05,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:05,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 925 [2020-10-29 07:34:05,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:34:05,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 07:34:05,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:05,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:05,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:34:05,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-29 07:34:05,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:34:05,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:05,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:34:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:05,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:05,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:05,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:34:05,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:05,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:34:05,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:05,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:05,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:05,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:05,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:05,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:05,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:34:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:05,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:05,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:05,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:34:05,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:34:05,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:05,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:05,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:05,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:34:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:05,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:05,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:05,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:34:05,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:05,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 07:34:05,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:05,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:05,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:05,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:34:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:05,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:05,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:05,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:34:05,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:05,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 07:34:05,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:05,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:05,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:34:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:05,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-29 07:34:05,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:05,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:34:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:05,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:05,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:05,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:34:05,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:05,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-29 07:34:05,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:05,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:34:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:34:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 07:34:05,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:05,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-29 07:34:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:05,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:05,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:05,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:34:05,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:05,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:34:05,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:05,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 07:34:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:05,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:05,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-29 07:34:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:05,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:05,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:05,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:34:05,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:05,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 07:34:05,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:05,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:34:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:05,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:05,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-29 07:34:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:05,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:05,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:05,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:34:05,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:05,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 07:34:05,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:05,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:05,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-29 07:34:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:05,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2342 backedges. 667 proven. 329 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2020-10-29 07:34:06,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064857836] [2020-10-29 07:34:06,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:34:06,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:34:06,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604007979] [2020-10-29 07:34:06,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:34:06,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:34:06,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:34:06,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:34:06,349 INFO L87 Difference]: Start difference. First operand 4673 states and 5285 transitions. Second operand 7 states. [2020-10-29 07:34:08,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:34:08,367 INFO L93 Difference]: Finished difference Result 10080 states and 11538 transitions. [2020-10-29 07:34:08,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 07:34:08,368 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 901 [2020-10-29 07:34:08,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:34:08,405 INFO L225 Difference]: With dead ends: 10080 [2020-10-29 07:34:08,405 INFO L226 Difference]: Without dead ends: 5595 [2020-10-29 07:34:08,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-29 07:34:08,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5595 states. [2020-10-29 07:34:08,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5595 to 5409. [2020-10-29 07:34:08,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5409 states. [2020-10-29 07:34:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5409 states to 5409 states and 6087 transitions. [2020-10-29 07:34:08,546 INFO L78 Accepts]: Start accepts. Automaton has 5409 states and 6087 transitions. Word has length 901 [2020-10-29 07:34:08,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:34:08,547 INFO L481 AbstractCegarLoop]: Abstraction has 5409 states and 6087 transitions. [2020-10-29 07:34:08,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:34:08,548 INFO L276 IsEmpty]: Start isEmpty. Operand 5409 states and 6087 transitions. [2020-10-29 07:34:08,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2020-10-29 07:34:08,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:34:08,563 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:34:08,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 07:34:08,564 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:34:08,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:34:08,564 INFO L82 PathProgramCache]: Analyzing trace with hash 2032235164, now seen corresponding path program 1 times [2020-10-29 07:34:08,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:34:08,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145156743] [2020-10-29 07:34:08,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:34:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:08,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:09,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:09,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:10,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:11,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:13,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:13,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 964 [2020-10-29 07:34:13,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:34:13,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5151 [2020-10-29 07:34:13,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:13,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:34:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 646 [2020-10-29 07:34:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:34:13,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:14,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:34:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:14,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:14,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:14,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:34:14,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:14,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:34:14,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:14,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:14,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:14,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:14,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:14,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:14,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:34:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:14,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:14,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:14,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:34:14,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:14,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 07:34:14,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:14,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:14,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:14,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:14,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:14,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:14,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:34:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:14,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:14,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:14,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:34:14,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:14,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:34:14,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:14,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:14,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:14,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:14,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:14,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:14,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:34:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:14,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:14,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:14,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:34:14,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:14,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:34:14,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:14,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:14,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:14,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:34:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:14,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:14,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:14,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:34:14,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:14,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:34:14,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:14,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:14,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:14,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:14,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:14,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:14,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:34:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:14,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:14,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:14,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 07:34:14,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:14,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 07:34:14,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:14,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:14,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:34:14,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:14,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-29 07:34:14,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:14,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-10-29 07:34:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:14,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:14,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:14,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:34:14,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:14,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 07:34:14,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:14,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:14,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:34:14,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:34:14,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:34:14,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:14,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2020-10-29 07:34:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:14,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:14,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:14,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:34:14,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:14,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 07:34:14,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:14,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:14,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:14,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-29 07:34:14,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:14,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2553 backedges. 947 proven. 82 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-10-29 07:34:15,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145156743] [2020-10-29 07:34:15,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:34:15,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 07:34:15,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028390519] [2020-10-29 07:34:15,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 07:34:15,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:34:15,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 07:34:15,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:34:15,850 INFO L87 Difference]: Start difference. First operand 5409 states and 6087 transitions. Second operand 8 states. [2020-10-29 07:34:18,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:34:18,631 INFO L93 Difference]: Finished difference Result 10810 states and 12177 transitions. [2020-10-29 07:34:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:34:18,641 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 940 [2020-10-29 07:34:18,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:34:18,659 INFO L225 Difference]: With dead ends: 10810 [2020-10-29 07:34:18,660 INFO L226 Difference]: Without dead ends: 5589 [2020-10-29 07:34:18,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-29 07:34:18,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5589 states. [2020-10-29 07:34:18,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5589 to 4857. [2020-10-29 07:34:18,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4857 states. [2020-10-29 07:34:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4857 states to 4857 states and 5319 transitions. [2020-10-29 07:34:18,887 INFO L78 Accepts]: Start accepts. Automaton has 4857 states and 5319 transitions. Word has length 940 [2020-10-29 07:34:18,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:34:18,888 INFO L481 AbstractCegarLoop]: Abstraction has 4857 states and 5319 transitions. [2020-10-29 07:34:18,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 07:34:18,888 INFO L276 IsEmpty]: Start isEmpty. Operand 4857 states and 5319 transitions. [2020-10-29 07:34:18,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2020-10-29 07:34:18,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:34:18,903 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, 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, 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, 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 07:34:18,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 07:34:18,903 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:34:18,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:34:18,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1397070308, now seen corresponding path program 1 times [2020-10-29 07:34:18,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:34:18,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511561138] [2020-10-29 07:34:18,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:34:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:19,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:19,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:19,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:22,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:24,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:24,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1019 [2020-10-29 07:34:24,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:34:24,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5060 [2020-10-29 07:34:24,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:24,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:24,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 07:34:24,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-29 07:34:24,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 278 [2020-10-29 07:34:24,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:24,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:34:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:24,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:24,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:24,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:34:24,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:24,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:34:24,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:24,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:24,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:24,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:24,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:24,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:24,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:34:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:24,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:24,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:24,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:34:24,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:24,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 07:34:24,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:24,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:24,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:24,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:34:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:24,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:24,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:24,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:34:24,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:24,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:34:24,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:24,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:24,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:24,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:24,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:24,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:24,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:34:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:24,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:24,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:24,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:34:24,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:24,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:34:24,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:24,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:24,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:24,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:34:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:24,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:24,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:24,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:34:24,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:24,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:34:24,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:24,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:24,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:24,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:24,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:24,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:24,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:34:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:24,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:24,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:24,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:34:24,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:24,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 07:34:24,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:24,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:24,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:24,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:24,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:24,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:24,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:34:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:24,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:24,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:24,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:34:24,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:24,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 07:34:24,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:24,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:24,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:34:24,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:24,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:34:24,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:24,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:34:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:24,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:25,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:25,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:34:25,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:25,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-10-29 07:34:25,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:25,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 07:34:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:34:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:34:25,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:25,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:34:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:25,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:25,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:25,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 07:34:25,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:25,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 07:34:25,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:25,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:34:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:34:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 07:34:25,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3001 backedges. 1542 proven. 6 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2020-10-29 07:34:25,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1511561138] [2020-10-29 07:34:25,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:34:25,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 07:34:25,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222409389] [2020-10-29 07:34:25,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 07:34:25,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:34:25,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 07:34:25,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 07:34:25,800 INFO L87 Difference]: Start difference. First operand 4857 states and 5319 transitions. Second operand 9 states. [2020-10-29 07:34:29,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:34:29,268 INFO L93 Difference]: Finished difference Result 11006 states and 12246 transitions. [2020-10-29 07:34:29,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 07:34:29,276 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 993 [2020-10-29 07:34:29,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:34:29,295 INFO L225 Difference]: With dead ends: 11006 [2020-10-29 07:34:29,296 INFO L226 Difference]: Without dead ends: 6521 [2020-10-29 07:34:29,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2020-10-29 07:34:29,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6521 states. [2020-10-29 07:34:29,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6521 to 6329. [2020-10-29 07:34:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6329 states. [2020-10-29 07:34:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6329 states to 6329 states and 7039 transitions. [2020-10-29 07:34:29,549 INFO L78 Accepts]: Start accepts. Automaton has 6329 states and 7039 transitions. Word has length 993 [2020-10-29 07:34:29,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:34:29,550 INFO L481 AbstractCegarLoop]: Abstraction has 6329 states and 7039 transitions. [2020-10-29 07:34:29,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 07:34:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6329 states and 7039 transitions. [2020-10-29 07:34:29,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1089 [2020-10-29 07:34:29,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:34:29,575 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, 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, 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 07:34:29,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 07:34:29,576 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:34:29,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:34:29,577 INFO L82 PathProgramCache]: Analyzing trace with hash 88802660, now seen corresponding path program 1 times [2020-10-29 07:34:29,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:34:29,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1651997890] [2020-10-29 07:34:29,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:34:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:29,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:30,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:32,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:32,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:33,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:34,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:34,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1116 [2020-10-29 07:34:34,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:34:34,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-29 07:34:34,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:34,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:34,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:34:34,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 968 [2020-10-29 07:34:34,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 07:34:34,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:34,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:34:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:34,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:34,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:34,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:34:34,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:34,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:34:34,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:34,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:34,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:34,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:34,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:34,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:35,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:34:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:35,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:35,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:35,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:34:35,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:35,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:34:35,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:35,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:35,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:35,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:35,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:35,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:35,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:34:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:35,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:35,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:35,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:34:35,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:35,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:34:35,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:35,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:35,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:35,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:34:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:35,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:35,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:35,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:34:35,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 07:34:35,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:35,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:35,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:35,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:35,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:34:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:35,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:35,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:35,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:34:35,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:35,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 07:34:35,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:35,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:35,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:35,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:35,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:35,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:35,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:34:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:35,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:35,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:35,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:34:35,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-29 07:34:35,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:35,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:35,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:35,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:35,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:34:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:35,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:35,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:35,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:34:35,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:35,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 07:34:35,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:35,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:35,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:35,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:34:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:35,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:35,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:35,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:34:35,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:35,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:34:35,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:35,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:35,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:35,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:35,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:35,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:35,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:34:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:35,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:35,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:35,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 07:34:35,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:35,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 07:34:35,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:35,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:35,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:34:35,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:35,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 07:34:35,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:35,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2020-10-29 07:34:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:35,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:35,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:35,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 07:34:35,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:35,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-29 07:34:35,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:35,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:34:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:34:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 07:34:35,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3769 backedges. 1110 proven. 2 refuted. 0 times theorem prover too weak. 2657 trivial. 0 not checked. [2020-10-29 07:34:36,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1651997890] [2020-10-29 07:34:36,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:34:36,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:34:36,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303178966] [2020-10-29 07:34:36,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:34:36,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:34:36,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:34:36,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:34:36,263 INFO L87 Difference]: Start difference. First operand 6329 states and 7039 transitions. Second operand 7 states. [2020-10-29 07:34:38,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:34:38,248 INFO L93 Difference]: Finished difference Result 13966 states and 15712 transitions. [2020-10-29 07:34:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:34:38,249 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1088 [2020-10-29 07:34:38,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:34:38,268 INFO L225 Difference]: With dead ends: 13966 [2020-10-29 07:34:38,268 INFO L226 Difference]: Without dead ends: 5425 [2020-10-29 07:34:38,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 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 07:34:38,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5425 states. [2020-10-29 07:34:38,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5425 to 4843. [2020-10-29 07:34:38,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4843 states. [2020-10-29 07:34:38,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4843 states to 4843 states and 5227 transitions. [2020-10-29 07:34:38,390 INFO L78 Accepts]: Start accepts. Automaton has 4843 states and 5227 transitions. Word has length 1088 [2020-10-29 07:34:38,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:34:38,391 INFO L481 AbstractCegarLoop]: Abstraction has 4843 states and 5227 transitions. [2020-10-29 07:34:38,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:34:38,392 INFO L276 IsEmpty]: Start isEmpty. Operand 4843 states and 5227 transitions. [2020-10-29 07:34:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1124 [2020-10-29 07:34:38,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:34:38,413 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, 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, 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, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:34:38,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 07:34:38,413 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:34:38,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:34:38,414 INFO L82 PathProgramCache]: Analyzing trace with hash 442528884, now seen corresponding path program 1 times [2020-10-29 07:34:38,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:34:38,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999168721] [2020-10-29 07:34:38,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:34:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:38,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:39,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:41,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:42,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:42,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:43,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:43,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1151 [2020-10-29 07:34:43,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:34:43,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-29 07:34:43,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:43,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:43,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 07:34:43,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-29 07:34:43,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-29 07:34:43,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:43,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:34:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:43,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:43,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:43,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:34:43,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:43,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:34:43,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:43,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:43,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:43,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:43,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:43,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:43,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:34:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:43,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:43,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:43,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:34:43,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:43,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 07:34:43,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:43,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:43,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:43,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:34:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:43,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:44,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:44,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:34:44,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:44,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 07:34:44,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:44,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:44,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:44,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:44,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:34:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:44,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:44,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:44,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:34:44,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:44,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 07:34:44,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:44,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:44,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:44,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:34:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:44,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:44,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:44,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:34:44,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 07:34:44,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:44,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:44,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:44,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:34:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:44,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:44,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:44,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:34:44,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:44,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 07:34:44,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:44,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:44,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:44,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:44,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:44,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:44,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:34:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:44,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:44,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:44,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:34:44,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:44,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 07:34:44,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:44,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:34:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:34:44,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:44,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:34:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:44,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:44,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:44,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:34:44,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:44,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-29 07:34:44,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:44,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 07:34:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:34:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:34:44,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:44,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:34:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:44,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:44,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:44,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:44,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 07:34:44,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:34:44,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-10-29 07:34:44,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:44,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:44,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:34:44,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:34:44,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 07:34:44,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:45,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2020-10-29 07:34:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:45,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:45,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:45,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 07:34:45,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:45,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 07:34:45,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:45,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-29 07:34:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:45,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3890 backedges. 1702 proven. 309 refuted. 0 times theorem prover too weak. 1879 trivial. 0 not checked. [2020-10-29 07:34:46,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999168721] [2020-10-29 07:34:46,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:34:46,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 07:34:46,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036912164] [2020-10-29 07:34:46,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 07:34:46,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:34:46,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 07:34:46,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:34:46,253 INFO L87 Difference]: Start difference. First operand 4843 states and 5227 transitions. Second operand 11 states. [2020-10-29 07:34:50,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:34:50,300 INFO L93 Difference]: Finished difference Result 9866 states and 10685 transitions. [2020-10-29 07:34:50,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 07:34:50,301 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1123 [2020-10-29 07:34:50,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:34:50,316 INFO L225 Difference]: With dead ends: 9866 [2020-10-29 07:34:50,316 INFO L226 Difference]: Without dead ends: 5395 [2020-10-29 07:34:50,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2020-10-29 07:34:50,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5395 states. [2020-10-29 07:34:50,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5395 to 4843. [2020-10-29 07:34:50,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4843 states. [2020-10-29 07:34:50,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4843 states to 4843 states and 5215 transitions. [2020-10-29 07:34:50,423 INFO L78 Accepts]: Start accepts. Automaton has 4843 states and 5215 transitions. Word has length 1123 [2020-10-29 07:34:50,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:34:50,424 INFO L481 AbstractCegarLoop]: Abstraction has 4843 states and 5215 transitions. [2020-10-29 07:34:50,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 07:34:50,425 INFO L276 IsEmpty]: Start isEmpty. Operand 4843 states and 5215 transitions. [2020-10-29 07:34:50,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1242 [2020-10-29 07:34:50,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:34:50,448 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, 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, 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, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:34:50,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 07:34:50,448 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:34:50,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:34:50,449 INFO L82 PathProgramCache]: Analyzing trace with hash -687730660, now seen corresponding path program 1 times [2020-10-29 07:34:50,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:34:50,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616946158] [2020-10-29 07:34:50,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:34:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:50,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:51,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:51,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:54,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:54,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:55,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:55,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1271 [2020-10-29 07:34:55,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:34:55,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5091 [2020-10-29 07:34:55,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:55,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 07:34:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-29 07:34:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 434 [2020-10-29 07:34:55,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:55,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:34:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:55,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:55,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:55,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:34:55,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:55,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:34:55,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:55,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:55,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:55,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:55,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:55,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:55,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:34:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:55,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:56,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:56,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:34:56,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:56,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:34:56,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:56,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:56,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:56,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:56,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:56,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:56,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:34:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:56,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:56,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:56,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:34:56,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:56,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 07:34:56,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:56,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:56,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:56,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:56,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:34:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:56,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:56,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:56,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:34:56,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:56,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:34:56,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:56,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:56,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:56,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:56,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:56,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:56,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:34:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:56,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:56,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:56,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:34:56,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:56,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 07:34:56,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:56,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:56,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:56,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:56,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:56,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:34:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:56,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:56,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:56,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:34:56,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 07:34:56,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:56,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:56,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:56,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:34:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:56,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:56,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:56,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:34:56,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:56,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:34:56,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:56,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:34:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:34:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:34:56,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:56,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:34:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:56,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:56,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:56,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:34:56,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:56,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 07:34:56,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:56,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:56,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 07:34:56,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:34:56,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:34:56,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:56,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:34:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:56,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:56,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:56,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:34:56,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:56,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-29 07:34:56,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:56,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:56,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:34:56,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:34:56,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 07:34:56,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:56,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-29 07:34:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:56,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:56,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:56,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 07:34:56,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:56,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 07:34:56,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:56,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:34:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:34:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 07:34:56,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:57,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2020-10-29 07:34:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:34:57,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:34:57,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:34:57,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 07:34:57,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:34:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 07:34:57,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:34:57,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:34:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:34:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-29 07:34:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:34:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:34:58,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4873 backedges. 2466 proven. 515 refuted. 0 times theorem prover too weak. 1892 trivial. 0 not checked. [2020-10-29 07:34:58,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616946158] [2020-10-29 07:34:58,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:34:58,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 07:34:58,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788097060] [2020-10-29 07:34:58,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 07:34:58,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:34:58,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 07:34:58,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:34:58,509 INFO L87 Difference]: Start difference. First operand 4843 states and 5215 transitions. Second operand 11 states. [2020-10-29 07:35:01,532 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2020-10-29 07:35:01,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:35:01,942 INFO L93 Difference]: Finished difference Result 10048 states and 10850 transitions. [2020-10-29 07:35:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 07:35:01,948 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1241 [2020-10-29 07:35:01,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:35:01,962 INFO L225 Difference]: With dead ends: 10048 [2020-10-29 07:35:01,963 INFO L226 Difference]: Without dead ends: 5577 [2020-10-29 07:35:01,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2020-10-29 07:35:01,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5577 states. [2020-10-29 07:35:02,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5577 to 5209. [2020-10-29 07:35:02,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5209 states. [2020-10-29 07:35:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5209 states to 5209 states and 5606 transitions. [2020-10-29 07:35:02,061 INFO L78 Accepts]: Start accepts. Automaton has 5209 states and 5606 transitions. Word has length 1241 [2020-10-29 07:35:02,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:35:02,062 INFO L481 AbstractCegarLoop]: Abstraction has 5209 states and 5606 transitions. [2020-10-29 07:35:02,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 07:35:02,063 INFO L276 IsEmpty]: Start isEmpty. Operand 5209 states and 5606 transitions. [2020-10-29 07:35:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1252 [2020-10-29 07:35:02,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:35:02,083 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, 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, 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, 6, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:35:02,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 07:35:02,083 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:35:02,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:35:02,084 INFO L82 PathProgramCache]: Analyzing trace with hash -223271032, now seen corresponding path program 1 times [2020-10-29 07:35:02,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:35:02,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535688093] [2020-10-29 07:35:02,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:35:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:02,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:02,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:04,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:05,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:07,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:07,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1281 [2020-10-29 07:35:07,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:35:07,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5094 [2020-10-29 07:35:07,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:07,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:35:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-29 07:35:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-29 07:35:07,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:07,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:35:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:07,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:07,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:07,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:35:07,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:07,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 07:35:07,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:07,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:07,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:07,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:07,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:07,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:07,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:35:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:07,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:07,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:07,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:35:07,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:07,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:35:07,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:07,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:07,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:07,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:07,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:07,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:07,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:35:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:07,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:07,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:07,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:35:07,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:07,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 07:35:07,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:07,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:07,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:07,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:35:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:07,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:07,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:07,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:35:07,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:07,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:35:07,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:07,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:07,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:07,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:35:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:07,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:07,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:07,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:35:07,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:07,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 07:35:07,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:07,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:07,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:07,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:07,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:07,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:08,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:35:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:08,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:08,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:08,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:35:08,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:08,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 07:35:08,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:08,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:08,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:08,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:35:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:08,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:08,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:08,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:35:08,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:08,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 07:35:08,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:08,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:08,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:08,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:35:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:08,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:08,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:08,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:35:08,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:08,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 07:35:08,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:08,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:08,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:08,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:35:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:08,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:08,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:08,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:35:08,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:08,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:35:08,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:08,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:08,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:08,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-29 07:35:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:08,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:08,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:08,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:35:08,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:08,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-29 07:35:08,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:08,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:35:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 07:35:08,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:08,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-29 07:35:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:08,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:08,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:08,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:08,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 07:35:08,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 07:35:08,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-29 07:35:08,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:08,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:08,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:35:08,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:35:08,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 07:35:08,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:09,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4893 backedges. 1196 proven. 50 refuted. 0 times theorem prover too weak. 3647 trivial. 0 not checked. [2020-10-29 07:35:09,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535688093] [2020-10-29 07:35:09,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:35:09,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:35:09,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324138472] [2020-10-29 07:35:09,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:35:09,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:35:09,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:35:09,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:35:09,255 INFO L87 Difference]: Start difference. First operand 5209 states and 5606 transitions. Second operand 7 states. [2020-10-29 07:35:10,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:35:10,954 INFO L93 Difference]: Finished difference Result 10966 states and 11844 transitions. [2020-10-29 07:35:10,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:35:10,955 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1251 [2020-10-29 07:35:10,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:35:10,971 INFO L225 Difference]: With dead ends: 10966 [2020-10-29 07:35:10,971 INFO L226 Difference]: Without dead ends: 6129 [2020-10-29 07:35:10,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 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 07:35:10,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6129 states. [2020-10-29 07:35:11,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6129 to 5941. [2020-10-29 07:35:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5941 states. [2020-10-29 07:35:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5941 states to 5941 states and 6383 transitions. [2020-10-29 07:35:11,148 INFO L78 Accepts]: Start accepts. Automaton has 5941 states and 6383 transitions. Word has length 1251 [2020-10-29 07:35:11,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:35:11,149 INFO L481 AbstractCegarLoop]: Abstraction has 5941 states and 6383 transitions. [2020-10-29 07:35:11,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:35:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 5941 states and 6383 transitions. [2020-10-29 07:35:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1382 [2020-10-29 07:35:11,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:35:11,174 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, 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, 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, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 07:35:11,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-29 07:35:11,174 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:35:11,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:35:11,175 INFO L82 PathProgramCache]: Analyzing trace with hash -734992104, now seen corresponding path program 1 times [2020-10-29 07:35:11,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:35:11,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634496764] [2020-10-29 07:35:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:35:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:11,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:12,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:12,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:13,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:16,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:16,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1413 [2020-10-29 07:35:16,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:35:16,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5166 [2020-10-29 07:35:16,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:16,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:16,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:35:16,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-29 07:35:16,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 07:35:16,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:16,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:35:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:16,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:16,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:16,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:35:16,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:16,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:35:16,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:16,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:16,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:16,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:16,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:16,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:16,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:35:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:16,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:16,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:16,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:35:16,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:16,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 07:35:16,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:16,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:16,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:16,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:16,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:16,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:16,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:35:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:16,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:16,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:16,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:35:16,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:16,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:35:16,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:16,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:16,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:16,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:16,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:16,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:16,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:35:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:16,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:16,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:16,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:35:16,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:16,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:35:16,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:16,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:16,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:16,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:16,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:16,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:16,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:35:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:16,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:16,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:16,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:35:16,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:16,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 07:35:16,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:16,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:16,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:16,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:16,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:16,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:16,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-29 07:35:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:16,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:16,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:16,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:35:16,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:16,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 07:35:16,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:16,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:16,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:16,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:16,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:16,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:16,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-29 07:35:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:16,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:16,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:16,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:35:16,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:16,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 07:35:16,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:16,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:16,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:16,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:16,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:16,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:16,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-29 07:35:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:17,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:17,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:17,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:35:17,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:17,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 07:35:17,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:17,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:17,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:17,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-29 07:35:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:17,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:17,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:17,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:35:17,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:17,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:35:17,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:17,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:17,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:17,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:17,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:17,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:17,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-29 07:35:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:17,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:17,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:17,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:35:17,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 07:35:17,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:17,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:35:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:35:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 07:35:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:17,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-29 07:35:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:17,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:17,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:17,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 07:35:17,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:17,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 07:35:17,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:17,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:35:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:35:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 07:35:17,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:17,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2020-10-29 07:35:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:35:17,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:35:17,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:35:17,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 07:35:17,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:35:17,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 07:35:17,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:35:17,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:35:17,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:35:17,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-29 07:35:17,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:35:17,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:35:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6030 backedges. 1512 proven. 93 refuted. 0 times theorem prover too weak. 4425 trivial. 0 not checked. [2020-10-29 07:35:18,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634496764] [2020-10-29 07:35:18,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:35:18,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:35:18,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734408863] [2020-10-29 07:35:18,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:35:18,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:35:18,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:35:18,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:35:18,547 INFO L87 Difference]: Start difference. First operand 5941 states and 6383 transitions. Second operand 7 states. [2020-10-29 07:35:20,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:35:20,455 INFO L93 Difference]: Finished difference Result 11331 states and 12205 transitions. [2020-10-29 07:35:20,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:35:20,455 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1381 [2020-10-29 07:35:20,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:35:20,457 INFO L225 Difference]: With dead ends: 11331 [2020-10-29 07:35:20,457 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 07:35:20,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-29 07:35:20,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 07:35:20,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 07:35:20,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 07:35:20,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 07:35:20,469 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1381 [2020-10-29 07:35:20,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:35:20,470 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 07:35:20,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:35:20,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 07:35:20,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 07:35:20,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-29 07:35:20,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 07:35:20,978 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 153 [2020-10-29 07:35:22,166 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 153 [2020-10-29 07:35:23,041 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-29 07:35:23,159 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 28 [2020-10-29 07:35:26,296 WARN L193 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 313 DAG size of output: 99 [2020-10-29 07:35:27,006 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 60 [2020-10-29 07:35:28,011 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 64 [2020-10-29 07:35:28,016 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 07:35:28,017 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 07:35:28,017 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 07:35:28,017 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 07:35:28,017 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 07:35:28,017 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 07:35:28,017 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 07:35:28,018 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-29 07:35:28,018 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 07:35:28,018 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 07:35:28,018 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 07:35:28,018 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-29 07:35:28,018 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-29 07:35:28,018 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-29 07:35:28,018 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,018 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,019 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,019 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-29 07:35:28,019 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 07:35:28,019 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 07:35:28,019 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 07:35:28,019 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-29 07:35:28,019 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-29 07:35:28,019 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-29 07:35:28,019 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-29 07:35:28,019 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,019 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,020 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,020 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-29 07:35:28,020 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-29 07:35:28,020 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 07:35:28,020 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 07:35:28,020 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 07:35:28,020 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-29 07:35:28,020 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-29 07:35:28,020 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-29 07:35:28,020 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,021 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,021 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,021 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-29 07:35:28,021 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 07:35:28,021 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 07:35:28,021 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 07:35:28,021 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-29 07:35:28,021 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-29 07:35:28,021 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-29 07:35:28,021 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-29 07:35:28,021 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-29 07:35:28,022 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,022 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,022 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,022 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-29 07:35:28,022 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 07:35:28,022 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 07:35:28,022 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 07:35:28,022 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-29 07:35:28,022 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-29 07:35:28,022 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-29 07:35:28,022 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,023 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,023 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,023 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-29 07:35:28,023 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 07:35:28,023 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 07:35:28,023 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 07:35:28,023 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-29 07:35:28,023 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,023 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-29 07:35:28,023 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-29 07:35:28,023 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-29 07:35:28,024 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-29 07:35:28,024 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,024 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,024 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,024 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-29 07:35:28,024 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 07:35:28,024 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 07:35:28,024 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 07:35:28,024 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-29 07:35:28,024 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-29 07:35:28,024 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-29 07:35:28,025 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,026 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,026 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,026 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-29 07:35:28,026 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse19 (= 8 |old(~a21~0)|)) (.cse18 (= ~a21~0 |old(~a21~0)|)) (.cse11 (= 8 |old(~a15~0)|)) (.cse20 (<= ~a21~0 7)) (.cse21 (<= 7 ~a21~0)) (.cse12 (= ~a24~0 |old(~a24~0)|)) (.cse3 (= ~a12~0 |old(~a12~0)|)) (.cse14 (= ~a15~0 |old(~a15~0)|))) (let ((.cse2 (= ~a21~0 9)) (.cse6 (not (= 9 |old(~a21~0)|))) (.cse16 (not (<= 8 |old(~a15~0)|))) (.cse8 (and .cse20 .cse21 .cse12 .cse3 .cse14)) (.cse9 (not (<= |old(~a21~0)| 7))) (.cse10 (not (<= |old(~a15~0)| 5))) (.cse0 (= ~a15~0 8)) (.cse5 (not .cse11)) (.cse7 (not (<= 7 |old(~a21~0)|))) (.cse17 (and .cse12 .cse18 .cse3 .cse14)) (.cse4 (not (= |old(~a24~0)| 1))) (.cse15 (not .cse19)) (.cse1 (= ~a24~0 1)) (.cse13 (= ~a21~0 8))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 .cse6 (not (<= |old(~a12~0)| 76))) (or .cse7 .cse8 .cse9 .cse10) (or .cse11 (and .cse12 .cse13 .cse3 .cse14) .cse15 .cse16) (or .cse11 (and .cse12 .cse2 .cse3 .cse14) .cse6) (or (not (<= |old(~a24~0)| 1)) .cse17 (not (<= |old(~a21~0)| 6))) (or (and (= 7 ~a15~0) .cse12 .cse18 .cse3) (not (= 7 |old(~a15~0)|))) (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) .cse4 (and .cse0 .cse1 .cse3 (= 7 ~a21~0)) .cse5) (or .cse11 .cse16 .cse8 .cse7 .cse9) (or .cse17 (not (<= |old(~a12~0)| 10)) .cse10) (or .cse19 (and .cse20 .cse21 .cse0 .cse1 .cse3) .cse4 .cse5 .cse7 (not (<= 0 (+ |old(~a12~0)| 2))) (not (<= |old(~a21~0)| 8)) (not (<= |old(~a12~0)| 2))) (or (not (<= 10 |old(~a21~0)|)) .cse17) (or .cse4 .cse15 (not (<= |old(~a12~0)| 73282)) (and .cse1 .cse13 .cse3 .cse14))))) [2020-10-29 07:35:28,026 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-29 07:35:28,026 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 07:35:28,026 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 07:35:28,026 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 07:35:28,026 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-29 07:35:28,026 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-29 07:35:28,026 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-29 07:35:28,026 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,026 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 07:35:28,027 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 07:35:28,028 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-29 07:35:28,028 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-29 07:35:28,028 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-29 07:35:28,028 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,028 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,028 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,028 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-29 07:35:28,028 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 07:35:28,028 INFO L270 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (let ((.cse2 (= 8 |old(~a15~0)|))) (let ((.cse3 (not (<= 7 |old(~a21~0)|))) (.cse4 (not (<= |old(~a15~0)| 5))) (.cse5 (not (= 9 |old(~a21~0)|))) (.cse0 (not (= |old(~a24~0)| 1))) (.cse1 (not .cse2))) (and (or .cse0 (not (= 8 |old(~a21~0)|)) (not (<= |old(~a12~0)| 73282))) (not (<= 10 |old(~a21~0)|)) (or .cse0 .cse1 (not (<= 0 (+ |old(~a12~0)| 2))) (not (<= |old(~a12~0)| 2))) (or .cse2 (not (<= 8 |old(~a15~0)|)) .cse3) (or (not (<= |old(~a12~0)| 10)) .cse4) (or (not (<= |old(~a24~0)| 1)) (not (<= |old(~a21~0)| 6))) (or .cse3 (not (<= |old(~a21~0)| 7)) .cse4) (or .cse0 .cse5 (not (<= |old(~a12~0)| 76))) (not (= 7 |old(~a15~0)|)) (or .cse2 .cse5) (or (not (= (+ |old(~a12~0)| 49) 0)) .cse0 .cse1)))) [2020-10-29 07:35:28,029 INFO L274 CegarLoopResult]: For program point L135-1(line 135) no Hoare annotation was computed. [2020-10-29 07:35:28,029 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 07:35:28,029 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-29 07:35:28,029 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-29 07:35:28,029 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-29 07:35:28,029 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-29 07:35:28,029 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,029 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,029 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,029 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-29 07:35:28,029 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 07:35:28,030 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 07:35:28,030 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 07:35:28,030 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-29 07:35:28,030 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-29 07:35:28,030 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-29 07:35:28,030 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-29 07:35:28,030 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,030 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,030 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-29 07:35:28,030 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 07:35:28,030 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 07:35:28,030 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-29 07:35:28,031 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,032 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,032 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-29 07:35:28,032 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-29 07:35:28,032 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 07:35:28,032 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 07:35:28,032 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-29 07:35:28,032 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-29 07:35:28,032 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-29 07:35:28,032 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-29 07:35:28,032 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-29 07:35:28,033 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 07:35:28,034 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 07:35:28,035 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-29 07:35:28,036 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-29 07:35:28,037 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,038 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,038 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:35:28,038 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 07:35:28,038 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= ~a24~0 1) (= 7 ~a21~0) (= (+ ~a12~0 49) 0)) [2020-10-29 07:35:28,038 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 07:35:28,038 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 07:35:28,038 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (not (= |old(~a24~0)| 1)) (and (= ~a15~0 8) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|))) [2020-10-29 07:35:28,038 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse0 (= ~a15~0 8))) (let ((.cse4 (not .cse0)) (.cse1 (= ~a24~0 1)) (.cse5 (= ~a21~0 9)) (.cse3 (<= 7 ~a21~0)) (.cse2 (<= ~a15~0 5))) (or (not (= |old(~a24~0)| 1)) (and .cse0 (<= ~a12~0 2) .cse1 (<= 0 (+ ~a12~0 2))) (and .cse2 (<= ~a12~0 10)) (not (= 8 |old(~a15~0)|)) (and (<= ~a24~0 1) (<= ~a21~0 6)) (and .cse0 .cse1 (= (+ ~a12~0 49) 0)) (= 7 ~a15~0) (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse1 (= ~a21~0 8) (<= ~a12~0 73282)) (and .cse3 (<= 8 ~a15~0) .cse4) (and .cse4 .cse5) (and .cse1 .cse5 (<= ~a12~0 76)) (and (<= ~a21~0 7) .cse3 .cse2) (<= 10 ~a21~0)))) [2020-10-29 07:35:28,039 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-29 07:35:28,039 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-29 07:35:28,039 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-29 07:35:28,039 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (= ~a15~0 8))) (let ((.cse4 (not .cse0)) (.cse1 (= ~a24~0 1)) (.cse5 (= ~a21~0 9)) (.cse3 (<= 7 ~a21~0)) (.cse2 (<= ~a15~0 5))) (or (not (= |old(~a24~0)| 1)) (and .cse0 (<= ~a12~0 2) .cse1 (<= 0 (+ ~a12~0 2))) (and .cse2 (<= ~a12~0 10)) (not (= 8 |old(~a15~0)|)) (and (<= ~a24~0 1) (<= ~a21~0 6)) (and .cse0 .cse1 (= (+ ~a12~0 49) 0)) (= 7 ~a15~0) (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse1 (= ~a21~0 8) (<= ~a12~0 73282)) (and .cse3 (<= 8 ~a15~0) .cse4) (and .cse4 .cse5) (and .cse1 .cse5 (<= ~a12~0 76)) (and (<= ~a21~0 7) .cse3 .cse2) (<= 10 ~a21~0)))) [2020-10-29 07:35:28,039 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-29 07:35:28,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 07:35:28 BoogieIcfgContainer [2020-10-29 07:35:28,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 07:35:28,078 INFO L168 Benchmark]: Toolchain (without parser) took 180889.56 ms. Allocated memory was 151.0 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 106.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. [2020-10-29 07:35:28,078 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 07:35:28,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1031.72 ms. Allocated memory is still 151.0 MB. Free memory was 106.2 MB in the beginning and 121.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 8.0 GB. [2020-10-29 07:35:28,081 INFO L168 Benchmark]: Boogie Preprocessor took 133.56 ms. Allocated memory is still 151.0 MB. Free memory was 121.0 MB in the beginning and 115.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 07:35:28,083 INFO L168 Benchmark]: RCFGBuilder took 1743.59 ms. Allocated memory was 151.0 MB in the beginning and 203.4 MB in the end (delta: 52.4 MB). Free memory was 115.5 MB in the beginning and 149.9 MB in the end (delta: -34.4 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. [2020-10-29 07:35:28,084 INFO L168 Benchmark]: TraceAbstraction took 177968.20 ms. Allocated memory was 203.4 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 149.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. [2020-10-29 07:35:28,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1031.72 ms. Allocated memory is still 151.0 MB. Free memory was 106.2 MB in the beginning and 121.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 133.56 ms. Allocated memory is still 151.0 MB. Free memory was 121.0 MB in the beginning and 115.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1743.59 ms. Allocated memory was 151.0 MB in the beginning and 203.4 MB in the end (delta: 52.4 MB). Free memory was 115.5 MB in the beginning and 149.9 MB in the end (delta: -34.4 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 177968.20 ms. Allocated memory was 203.4 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 149.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.4 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: (((((((((((((!(\old(a24) == 1) || (((a15 == 8 && a12 <= 2) && a24 == 1) && 0 <= a12 + 2)) || (a15 <= 5 && a12 <= 10)) || !(8 == \old(a15))) || (a24 <= 1 && a21 <= 6)) || ((a15 == 8 && a24 == 1) && a12 + 49 == 0)) || 7 == a15) || !(7 == \old(a21))) || !(\old(a12) + 49 == 0)) || ((a24 == 1 && a21 == 8) && a12 <= 73282)) || ((7 <= a21 && 8 <= a15) && !(a15 == 8))) || (!(a15 == 8) && a21 == 9)) || ((a24 == 1 && a21 == 9) && a12 <= 76)) || ((a21 <= 7 && 7 <= a21) && a15 <= 5)) || 10 <= a21 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 170.3s, OverallIterations: 20, TraceHistogramMax: 12, AutomataDifference: 51.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 574 SDtfs, 12517 SDslu, 957 SDs, 0 SdLazy, 26535 SolverSat, 2564 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 566 GetRequests, 343 SyntacticMatches, 5 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6329occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 20 MinimizatonAttempts, 3707 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 702 PreInvPairs, 810 NumberOfFragments, 782 HoareAnnotationTreeSize, 702 FomulaSimplifications, 24040 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 11486 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 104.5s InterpolantComputationTime, 13680 NumberOfCodeBlocks, 13680 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 13660 ConstructedInterpolants, 0 QuantifiedInterpolants, 28442114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 37668/39800 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...