/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_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 07:29:25,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 07:29:25,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 07:29:25,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 07:29:25,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 07:29:25,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 07:29:25,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 07:29:25,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 07:29:25,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 07:29:25,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 07:29:25,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 07:29:25,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 07:29:25,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 07:29:25,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 07:29:25,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 07:29:25,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 07:29:25,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 07:29:25,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 07:29:25,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 07:29:25,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 07:29:25,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 07:29:25,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 07:29:25,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 07:29:25,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 07:29:25,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 07:29:25,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 07:29:25,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 07:29:25,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 07:29:25,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 07:29:25,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 07:29:25,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 07:29:25,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 07:29:25,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 07:29:25,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 07:29:25,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 07:29:25,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 07:29:25,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 07:29:25,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 07:29:25,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 07:29:25,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 07:29:25,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 07:29:25,255 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 07:29:25,306 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 07:29:25,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 07:29:25,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 07:29:25,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 07:29:25,311 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 07:29:25,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 07:29:25,311 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 07:29:25,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 07:29:25,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 07:29:25,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 07:29:25,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 07:29:25,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 07:29:25,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 07:29:25,314 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 07:29:25,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 07:29:25,314 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 07:29:25,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 07:29:25,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 07:29:25,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 07:29:25,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 07:29:25,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 07:29:25,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 07:29:25,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 07:29:25,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 07:29:25,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 07:29:25,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 07:29:25,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 07:29:25,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 07:29:25,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 07:29:25,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 07:29:25,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 07:29:25,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 07:29:25,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 07:29:25,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 07:29:25,741 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 07:29:25,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label15.c [2020-10-29 07:29:25,818 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e0789664/802b3802a9e747569c6f5faafc69f3de/FLAG6c015b667 [2020-10-29 07:29:26,566 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 07:29:26,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label15.c [2020-10-29 07:29:26,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e0789664/802b3802a9e747569c6f5faafc69f3de/FLAG6c015b667 [2020-10-29 07:29:26,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e0789664/802b3802a9e747569c6f5faafc69f3de [2020-10-29 07:29:26,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 07:29:26,777 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 07:29:26,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 07:29:26,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 07:29:26,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 07:29:26,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 07:29:26" (1/1) ... [2020-10-29 07:29:26,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ddce888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:29:26, skipping insertion in model container [2020-10-29 07:29:26,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 07:29:26" (1/1) ... [2020-10-29 07:29:26,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 07:29:26,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 07:29:27,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 07:29:27,388 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 07:29:27,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 07:29:27,576 INFO L208 MainTranslator]: Completed translation [2020-10-29 07:29:27,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:29:27 WrapperNode [2020-10-29 07:29:27,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 07:29:27,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 07:29:27,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 07:29:27,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 07:29:27,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:29:27" (1/1) ... [2020-10-29 07:29:27,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:29:27" (1/1) ... [2020-10-29 07:29:27,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:29:27" (1/1) ... [2020-10-29 07:29:27,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:29:27" (1/1) ... [2020-10-29 07:29:27,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:29:27" (1/1) ... [2020-10-29 07:29:27,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:29:27" (1/1) ... [2020-10-29 07:29:27,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:29:27" (1/1) ... [2020-10-29 07:29:27,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 07:29:27,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 07:29:27,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 07:29:27,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 07:29:27,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:29:27" (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 07:29:27,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 07:29:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 07:29:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 07:29:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 07:29:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 07:29:27,841 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 07:29:27,841 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 07:29:27,841 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 07:29:27,841 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 07:29:27,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 07:29:27,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 07:29:27,842 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 07:29:27,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 07:29:27,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 07:29:27,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 07:29:27,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 07:29:27,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 07:29:27,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 07:29:27,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 07:29:29,379 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 07:29:29,380 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 07:29:29,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 07:29:29 BoogieIcfgContainer [2020-10-29 07:29:29,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 07:29:29,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 07:29:29,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 07:29:29,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 07:29:29,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 07:29:26" (1/3) ... [2020-10-29 07:29:29,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e6ee6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 07:29:29, skipping insertion in model container [2020-10-29 07:29:29,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 07:29:27" (2/3) ... [2020-10-29 07:29:29,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e6ee6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 07:29:29, skipping insertion in model container [2020-10-29 07:29:29,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 07:29:29" (3/3) ... [2020-10-29 07:29:29,392 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label15.c [2020-10-29 07:29:29,407 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 07:29:29,413 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 07:29:29,428 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 07:29:29,463 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 07:29:29,463 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 07:29:29,463 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 07:29:29,464 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 07:29:29,464 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 07:29:29,464 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 07:29:29,464 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 07:29:29,464 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 07:29:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-29 07:29:29,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-29 07:29:29,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:29:29,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:29:29,504 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:29:29,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:29:29,511 INFO L82 PathProgramCache]: Analyzing trace with hash 278852888, now seen corresponding path program 1 times [2020-10-29 07:29:29,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:29:29,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [569783937] [2020-10-29 07:29:29,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:29:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:29,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:30,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:30,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 07:29:30,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:30,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 692 [2020-10-29 07:29:30,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:30,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:29:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:29:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 07:29:30,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 07:29:30,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:29:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:30,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:30,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:30,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:29:30,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:30,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 07:29:30,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:30,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:29:30,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:30,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:29:30,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:29:30,774 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 07:29:30,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [569783937] [2020-10-29 07:29:30,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 07:29:30,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 07:29:30,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943962436] [2020-10-29 07:29:30,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 07:29:30,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:29:30,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 07:29:30,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 07:29:30,808 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 4 states. [2020-10-29 07:29:33,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:29:33,059 INFO L93 Difference]: Finished difference Result 703 states and 1247 transitions. [2020-10-29 07:29:33,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 07:29:33,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2020-10-29 07:29:33,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:29:33,079 INFO L225 Difference]: With dead ends: 703 [2020-10-29 07:29:33,079 INFO L226 Difference]: Without dead ends: 381 [2020-10-29 07:29:33,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 07:29:33,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-29 07:29:33,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2020-10-29 07:29:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-10-29 07:29:33,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 605 transitions. [2020-10-29 07:29:33,198 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 605 transitions. Word has length 72 [2020-10-29 07:29:33,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:29:33,199 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 605 transitions. [2020-10-29 07:29:33,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 07:29:33,199 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 605 transitions. [2020-10-29 07:29:33,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-29 07:29:33,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:29:33,206 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:29:33,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 07:29:33,207 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:29:33,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:29:33,208 INFO L82 PathProgramCache]: Analyzing trace with hash -347834364, now seen corresponding path program 1 times [2020-10-29 07:29:33,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:29:33,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518935229] [2020-10-29 07:29:33,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:29:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:33,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:33,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:34,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:34,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:34,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 07:29:34,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:29:34,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1626 [2020-10-29 07:29:34,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:34,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:34,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:34,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-29 07:29:34,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 07:29:34,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:29:35,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:29:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:35,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:35,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:35,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:29:35,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:35,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 07:29:35,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:35,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:35,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:35,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:35,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:35,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:29:35,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:29:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:35,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:35,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:35,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 07:29:35,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:35,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 07:29:35,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:35,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:29:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 07:29:35,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:29:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:29:35,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518935229] [2020-10-29 07:29:35,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:29:35,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 07:29:35,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678676728] [2020-10-29 07:29:35,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 07:29:35,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:29:35,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 07:29:35,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 07:29:35,319 INFO L87 Difference]: Start difference. First operand 375 states and 605 transitions. Second operand 6 states. [2020-10-29 07:29:38,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:29:38,892 INFO L93 Difference]: Finished difference Result 1490 states and 2464 transitions. [2020-10-29 07:29:38,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:29:38,908 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-10-29 07:29:38,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:29:38,918 INFO L225 Difference]: With dead ends: 1490 [2020-10-29 07:29:38,918 INFO L226 Difference]: Without dead ends: 1121 [2020-10-29 07:29:38,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:29:38,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2020-10-29 07:29:38,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 929. [2020-10-29 07:29:38,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2020-10-29 07:29:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1444 transitions. [2020-10-29 07:29:39,001 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1444 transitions. Word has length 141 [2020-10-29 07:29:39,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:29:39,002 INFO L481 AbstractCegarLoop]: Abstraction has 929 states and 1444 transitions. [2020-10-29 07:29:39,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 07:29:39,002 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1444 transitions. [2020-10-29 07:29:39,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-29 07:29:39,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:29:39,010 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:29:39,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 07:29:39,011 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:29:39,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:29:39,015 INFO L82 PathProgramCache]: Analyzing trace with hash -96003680, now seen corresponding path program 1 times [2020-10-29 07:29:39,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:29:39,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743857752] [2020-10-29 07:29:39,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:29:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:39,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:39,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:39,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:41,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:41,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-29 07:29:41,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 07:29:41,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2415 [2020-10-29 07:29:41,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:41,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:29:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:29:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 07:29:41,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:29:41,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:29:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:41,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:41,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:41,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:29:41,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:41,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 07:29:41,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:41,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:41,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:29:41,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:41,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:29:41,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:41,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:29:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:41,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:41,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:41,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:29:41,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:41,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-29 07:29:41,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:41,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:41,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:41,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:29:41,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 07:29:41,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:29:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 07:29:42,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743857752] [2020-10-29 07:29:42,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 07:29:42,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 07:29:42,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136359778] [2020-10-29 07:29:42,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 07:29:42,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:29:42,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 07:29:42,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:29:42,145 INFO L87 Difference]: Start difference. First operand 929 states and 1444 transitions. Second operand 8 states. [2020-10-29 07:29:45,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:29:45,005 INFO L93 Difference]: Finished difference Result 2440 states and 3884 transitions. [2020-10-29 07:29:45,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:29:45,006 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-10-29 07:29:45,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:29:45,018 INFO L225 Difference]: With dead ends: 2440 [2020-10-29 07:29:45,019 INFO L226 Difference]: Without dead ends: 1517 [2020-10-29 07:29:45,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-29 07:29:45,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2020-10-29 07:29:45,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1311. [2020-10-29 07:29:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1311 states. [2020-10-29 07:29:45,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1852 transitions. [2020-10-29 07:29:45,102 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1852 transitions. Word has length 191 [2020-10-29 07:29:45,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:29:45,103 INFO L481 AbstractCegarLoop]: Abstraction has 1311 states and 1852 transitions. [2020-10-29 07:29:45,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 07:29:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1852 transitions. [2020-10-29 07:29:45,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-29 07:29:45,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:29:45,119 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:29:45,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 07:29:45,119 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:29:45,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:29:45,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1449054580, now seen corresponding path program 1 times [2020-10-29 07:29:45,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:29:45,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2076282781] [2020-10-29 07:29:45,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:29:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:45,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:45,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:47,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:47,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 317 [2020-10-29 07:29:50,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:29:50,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 07:29:50,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:50,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-29 07:29:50,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 07:29:50,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:29:50,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:29:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:29:50,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 07:29:50,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:50,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:50,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:50,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:29:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 07:29:50,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-29 07:29:50,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:29:50,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:50,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-29 07:29:50,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:29:50,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 07:29:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:50,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:50,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:50,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:29:50,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:50,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-29 07:29:50,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:50,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:50,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:50,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:29:50,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 07:29:50,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 237 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 07:29:51,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2076282781] [2020-10-29 07:29:51,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:29:51,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:29:51,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673772379] [2020-10-29 07:29:51,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:29:51,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:29:51,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:29:51,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:29:51,235 INFO L87 Difference]: Start difference. First operand 1311 states and 1852 transitions. Second operand 7 states. [2020-10-29 07:29:54,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:29:54,348 INFO L93 Difference]: Finished difference Result 3056 states and 4546 transitions. [2020-10-29 07:29:54,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:29:54,349 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 303 [2020-10-29 07:29:54,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:29:54,371 INFO L225 Difference]: With dead ends: 3056 [2020-10-29 07:29:54,371 INFO L226 Difference]: Without dead ends: 1751 [2020-10-29 07:29:54,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-29 07:29:54,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2020-10-29 07:29:54,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1695. [2020-10-29 07:29:54,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1695 states. [2020-10-29 07:29:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 2317 transitions. [2020-10-29 07:29:54,472 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 2317 transitions. Word has length 303 [2020-10-29 07:29:54,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:29:54,473 INFO L481 AbstractCegarLoop]: Abstraction has 1695 states and 2317 transitions. [2020-10-29 07:29:54,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:29:54,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2317 transitions. [2020-10-29 07:29:54,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-10-29 07:29:54,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:29:54,483 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 07:29:54,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 07:29:54,483 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:29:54,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:29:54,484 INFO L82 PathProgramCache]: Analyzing trace with hash -50560848, now seen corresponding path program 1 times [2020-10-29 07:29:54,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:29:54,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31959284] [2020-10-29 07:29:54,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:29:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:54,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:54,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:56,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:56,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:59,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:59,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-29 07:29:59,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:29:59,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 07:29:59,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:59,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:29:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 07:29:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 07:29:59,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:59,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:29:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:59,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:59,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:59,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:29:59,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:59,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 07:29:59,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:59,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:29:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:29:59,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:59,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:29:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:59,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:29:59,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:29:59,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 07:29:59,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:29:59,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-29 07:29:59,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:29:59,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:29:59,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:29:59,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:29:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 07:29:59,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:29:59,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-29 07:29:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:29:59,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:00,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:00,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:30:00,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:00,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-29 07:30:00,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:00,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:30:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 07:30:00,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 244 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 07:30:00,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31959284] [2020-10-29 07:30:00,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:30:00,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:30:00,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939127850] [2020-10-29 07:30:00,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:30:00,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:30:00,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:30:00,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:30:00,358 INFO L87 Difference]: Start difference. First operand 1695 states and 2317 transitions. Second operand 7 states. [2020-10-29 07:30:03,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:30:03,567 INFO L93 Difference]: Finished difference Result 3818 states and 5468 transitions. [2020-10-29 07:30:03,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:30:03,568 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 321 [2020-10-29 07:30:03,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:30:03,587 INFO L225 Difference]: With dead ends: 3818 [2020-10-29 07:30:03,587 INFO L226 Difference]: Without dead ends: 2129 [2020-10-29 07:30:03,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 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 07:30:03,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2020-10-29 07:30:03,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 1883. [2020-10-29 07:30:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1883 states. [2020-10-29 07:30:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2455 transitions. [2020-10-29 07:30:03,695 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2455 transitions. Word has length 321 [2020-10-29 07:30:03,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:30:03,696 INFO L481 AbstractCegarLoop]: Abstraction has 1883 states and 2455 transitions. [2020-10-29 07:30:03,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:30:03,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2455 transitions. [2020-10-29 07:30:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-10-29 07:30:03,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:30:03,708 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:30:03,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 07:30:03,708 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:30:03,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:30:03,709 INFO L82 PathProgramCache]: Analyzing trace with hash -935282800, now seen corresponding path program 1 times [2020-10-29 07:30:03,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:30:03,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398499021] [2020-10-29 07:30:03,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:30:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:03,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:03,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:04,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:06,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:07,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:08,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:08,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 384 [2020-10-29 07:30:08,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:30:08,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-29 07:30:08,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:08,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:08,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 07:30:08,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 07:30:08,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-29 07:30:08,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:08,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:30:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:08,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:08,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:08,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:30:08,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:08,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 07:30:08,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:08,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:08,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:30:08,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:08,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 07:30:08,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:09,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:30:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:09,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:09,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:09,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:30:09,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:09,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-29 07:30:09,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:09,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:30:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:30:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:09,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-29 07:30:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:09,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:09,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:09,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:30:09,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:09,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-29 07:30:09,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:09,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:09,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:09,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:30:09,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:09,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 128 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 07:30:09,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398499021] [2020-10-29 07:30:09,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:30:09,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:30:09,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597943513] [2020-10-29 07:30:09,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:30:09,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:30:09,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:30:09,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:30:09,808 INFO L87 Difference]: Start difference. First operand 1883 states and 2455 transitions. Second operand 7 states. [2020-10-29 07:30:12,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:30:12,499 INFO L93 Difference]: Finished difference Result 4338 states and 5693 transitions. [2020-10-29 07:30:12,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:30:12,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 370 [2020-10-29 07:30:12,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:30:12,517 INFO L225 Difference]: With dead ends: 4338 [2020-10-29 07:30:12,517 INFO L226 Difference]: Without dead ends: 2461 [2020-10-29 07:30:12,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:30:12,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2461 states. [2020-10-29 07:30:12,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2461 to 2437. [2020-10-29 07:30:12,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2437 states. [2020-10-29 07:30:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2437 states and 3090 transitions. [2020-10-29 07:30:12,616 INFO L78 Accepts]: Start accepts. Automaton has 2437 states and 3090 transitions. Word has length 370 [2020-10-29 07:30:12,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:30:12,617 INFO L481 AbstractCegarLoop]: Abstraction has 2437 states and 3090 transitions. [2020-10-29 07:30:12,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:30:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 3090 transitions. [2020-10-29 07:30:12,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2020-10-29 07:30:12,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:30:12,632 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:30:12,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 07:30:12,633 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:30:12,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:30:12,633 INFO L82 PathProgramCache]: Analyzing trace with hash -915282848, now seen corresponding path program 1 times [2020-10-29 07:30:12,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:30:12,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1903146136] [2020-10-29 07:30:12,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:30:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:12,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:12,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:12,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:14,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:17,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:17,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 469 [2020-10-29 07:30:17,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:30:17,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 07:30:17,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:17,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:17,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:17,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-29 07:30:17,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:30:17,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:17,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:30:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:17,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:17,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:17,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:30:17,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:17,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 07:30:17,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:17,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:17,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 07:30:17,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:30:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:17,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:17,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:17,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 07:30:17,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:17,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-29 07:30:17,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:17,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:17,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:30:17,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:17,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 07:30:17,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:17,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 07:30:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:18,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:18,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:18,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:30:18,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:18,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-29 07:30:18,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:18,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:18,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:18,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:30:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:30:18,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:18,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-10-29 07:30:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:18,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:18,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:18,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:30:18,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:18,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 07:30:18,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:18,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:18,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:30:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:18,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 276 proven. 118 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-29 07:30:18,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1903146136] [2020-10-29 07:30:18,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:30:18,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:30:18,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092674756] [2020-10-29 07:30:18,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:30:18,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:30:18,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:30:18,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:30:18,914 INFO L87 Difference]: Start difference. First operand 2437 states and 3090 transitions. Second operand 7 states. [2020-10-29 07:30:22,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:30:22,734 INFO L93 Difference]: Finished difference Result 5858 states and 7803 transitions. [2020-10-29 07:30:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:30:22,735 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 453 [2020-10-29 07:30:22,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:30:22,759 INFO L225 Difference]: With dead ends: 5858 [2020-10-29 07:30:22,759 INFO L226 Difference]: Without dead ends: 3977 [2020-10-29 07:30:22,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:30:22,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3977 states. [2020-10-29 07:30:22,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3977 to 3589. [2020-10-29 07:30:22,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3589 states. [2020-10-29 07:30:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3589 states and 4611 transitions. [2020-10-29 07:30:22,917 INFO L78 Accepts]: Start accepts. Automaton has 3589 states and 4611 transitions. Word has length 453 [2020-10-29 07:30:22,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:30:22,918 INFO L481 AbstractCegarLoop]: Abstraction has 3589 states and 4611 transitions. [2020-10-29 07:30:22,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:30:22,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 4611 transitions. [2020-10-29 07:30:22,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2020-10-29 07:30:22,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:30:22,940 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:30:22,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 07:30:22,940 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:30:22,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:30:22,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1461813036, now seen corresponding path program 1 times [2020-10-29 07:30:22,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:30:22,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702939319] [2020-10-29 07:30:22,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:30:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:23,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:23,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:23,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:23,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:27,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:28,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:28,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 495 [2020-10-29 07:30:28,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:30:28,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-29 07:30:28,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:28,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:28,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:28,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-29 07:30:28,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:30:28,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:28,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:30:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:28,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:28,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:28,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:30:28,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:28,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:30:28,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:28,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:28,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:28,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:28,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:28,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:28,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:30:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:28,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:28,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:28,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:30:28,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:28,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-29 07:30:28,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:28,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:30:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:28,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:30:28,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:28,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 07:30:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:28,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:28,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:28,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:30:28,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:28,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-29 07:30:28,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:28,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:30:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:30:28,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:28,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-29 07:30:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:28,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:28,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:28,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:30:28,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:28,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 07:30:28,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:28,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:30:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:28,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:29,014 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 302 proven. 118 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-29 07:30:29,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702939319] [2020-10-29 07:30:29,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:30:29,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:30:29,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882506703] [2020-10-29 07:30:29,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:30:29,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:30:29,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:30:29,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:30:29,017 INFO L87 Difference]: Start difference. First operand 3589 states and 4611 transitions. Second operand 7 states. [2020-10-29 07:30:31,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:30:31,857 INFO L93 Difference]: Finished difference Result 7592 states and 10066 transitions. [2020-10-29 07:30:31,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:30:31,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 479 [2020-10-29 07:30:31,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:30:31,886 INFO L225 Difference]: With dead ends: 7592 [2020-10-29 07:30:31,886 INFO L226 Difference]: Without dead ends: 4559 [2020-10-29 07:30:31,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:30:31,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4559 states. [2020-10-29 07:30:32,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4559 to 4539. [2020-10-29 07:30:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4539 states. [2020-10-29 07:30:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4539 states to 4539 states and 5818 transitions. [2020-10-29 07:30:32,068 INFO L78 Accepts]: Start accepts. Automaton has 4539 states and 5818 transitions. Word has length 479 [2020-10-29 07:30:32,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:30:32,069 INFO L481 AbstractCegarLoop]: Abstraction has 4539 states and 5818 transitions. [2020-10-29 07:30:32,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:30:32,069 INFO L276 IsEmpty]: Start isEmpty. Operand 4539 states and 5818 transitions. [2020-10-29 07:30:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2020-10-29 07:30:32,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:30:32,094 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:30:32,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 07:30:32,094 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:30:32,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:30:32,095 INFO L82 PathProgramCache]: Analyzing trace with hash 571945764, now seen corresponding path program 1 times [2020-10-29 07:30:32,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:30:32,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041425597] [2020-10-29 07:30:32,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:30:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:32,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:32,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:32,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:34,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:37,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:37,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 498 [2020-10-29 07:30:37,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:30:37,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 07:30:37,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:37,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:37,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:37,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-29 07:30:37,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:30:37,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:37,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:30:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:37,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:37,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:37,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:30:37,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:37,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:30:37,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:37,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:37,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:37,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:37,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:37,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:37,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:30:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:37,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:37,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:37,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 07:30:37,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:37,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 07:30:37,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:37,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:30:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-29 07:30:37,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:37,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 07:30:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:37,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:37,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:37,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:30:37,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:37,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-29 07:30:37,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:37,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:37,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:37,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:30:37,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:30:37,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:37,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-10-29 07:30:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:37,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:37,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:37,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:30:37,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:37,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 07:30:37,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:37,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:30:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:37,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 305 proven. 118 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-29 07:30:37,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041425597] [2020-10-29 07:30:37,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:30:37,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:30:37,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45078919] [2020-10-29 07:30:37,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:30:37,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:30:37,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:30:37,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:30:37,939 INFO L87 Difference]: Start difference. First operand 4539 states and 5818 transitions. Second operand 7 states. [2020-10-29 07:30:41,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:30:41,010 INFO L93 Difference]: Finished difference Result 8560 states and 11149 transitions. [2020-10-29 07:30:41,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:30:41,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 482 [2020-10-29 07:30:41,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:30:41,036 INFO L225 Difference]: With dead ends: 8560 [2020-10-29 07:30:41,036 INFO L226 Difference]: Without dead ends: 4577 [2020-10-29 07:30:41,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:30:41,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4577 states. [2020-10-29 07:30:41,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4577 to 4539. [2020-10-29 07:30:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4539 states. [2020-10-29 07:30:41,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4539 states to 4539 states and 5650 transitions. [2020-10-29 07:30:41,243 INFO L78 Accepts]: Start accepts. Automaton has 4539 states and 5650 transitions. Word has length 482 [2020-10-29 07:30:41,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:30:41,244 INFO L481 AbstractCegarLoop]: Abstraction has 4539 states and 5650 transitions. [2020-10-29 07:30:41,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:30:41,244 INFO L276 IsEmpty]: Start isEmpty. Operand 4539 states and 5650 transitions. [2020-10-29 07:30:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2020-10-29 07:30:41,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:30:41,264 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:30:41,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 07:30:41,264 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:30:41,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:30:41,265 INFO L82 PathProgramCache]: Analyzing trace with hash -118607108, now seen corresponding path program 1 times [2020-10-29 07:30:41,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:30:41,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719135174] [2020-10-29 07:30:41,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:30:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:41,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:41,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:41,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:41,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:45,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:46,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:46,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 519 [2020-10-29 07:30:46,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:30:46,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-29 07:30:46,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:46,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:46,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:46,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-29 07:30:46,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:30:46,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:46,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:30:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:46,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:46,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:46,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:30:46,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:46,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:30:46,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:46,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:46,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:46,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:30:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:46,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:46,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:46,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 07:30:46,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:46,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 07:30:46,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:46,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:46,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:30:46,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:46,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-29 07:30:46,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:46,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 07:30:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:46,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:46,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:46,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:30:46,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-29 07:30:46,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:46,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:30:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:30:46,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:46,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-29 07:30:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:46,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:47,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:47,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:30:47,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:47,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 07:30:47,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:47,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:30:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:47,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 326 proven. 118 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-10-29 07:30:47,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719135174] [2020-10-29 07:30:47,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:30:47,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:30:47,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976703246] [2020-10-29 07:30:47,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:30:47,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:30:47,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:30:47,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:30:47,289 INFO L87 Difference]: Start difference. First operand 4539 states and 5650 transitions. Second operand 7 states. [2020-10-29 07:30:50,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:30:50,414 INFO L93 Difference]: Finished difference Result 10808 states and 13676 transitions. [2020-10-29 07:30:50,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 07:30:50,415 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 503 [2020-10-29 07:30:50,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:30:50,448 INFO L225 Difference]: With dead ends: 10808 [2020-10-29 07:30:50,448 INFO L226 Difference]: Without dead ends: 6825 [2020-10-29 07:30:50,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 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 07:30:50,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6825 states. [2020-10-29 07:30:50,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6825 to 6803. [2020-10-29 07:30:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6803 states. [2020-10-29 07:30:50,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6803 states to 6803 states and 8364 transitions. [2020-10-29 07:30:50,669 INFO L78 Accepts]: Start accepts. Automaton has 6803 states and 8364 transitions. Word has length 503 [2020-10-29 07:30:50,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:30:50,670 INFO L481 AbstractCegarLoop]: Abstraction has 6803 states and 8364 transitions. [2020-10-29 07:30:50,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:30:50,670 INFO L276 IsEmpty]: Start isEmpty. Operand 6803 states and 8364 transitions. [2020-10-29 07:30:50,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2020-10-29 07:30:50,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:30:50,697 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:30:50,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 07:30:50,698 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:30:50,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:30:50,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1428325344, now seen corresponding path program 1 times [2020-10-29 07:30:50,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:30:50,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640216499] [2020-10-29 07:30:50,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:30:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:50,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:50,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:51,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:54,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:55,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:55,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:55,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 605 [2020-10-29 07:30:55,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:30:55,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5065 [2020-10-29 07:30:55,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:55,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:55,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:55,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-10-29 07:30:55,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:30:55,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:56,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:30:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:56,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:56,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:56,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:30:56,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:56,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 07:30:56,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:56,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:56,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:56,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:30:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:56,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:56,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:56,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 07:30:56,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:56,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 07:30:56,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:56,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:56,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:56,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:56,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:56,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 07:30:56,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 07:30:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:56,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:56,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:56,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-29 07:30:56,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:56,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 07:30:56,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:56,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:56,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:30:56,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:30:56,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 07:30:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:56,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-29 07:30:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:56,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:56,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:56,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:30:56,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:56,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-29 07:30:56,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:56,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:56,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:30:56,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:30:56,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:30:56,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:56,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-29 07:30:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:30:56,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:30:56,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:30:56,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:30:56,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:30:56,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 07:30:56,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:30:56,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:30:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:30:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:30:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:30:56,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:30:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 480 proven. 118 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2020-10-29 07:30:56,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640216499] [2020-10-29 07:30:56,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:30:56,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 07:30:56,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815971098] [2020-10-29 07:30:56,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 07:30:56,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:30:56,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 07:30:56,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:30:56,991 INFO L87 Difference]: Start difference. First operand 6803 states and 8364 transitions. Second operand 8 states. [2020-10-29 07:31:01,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:01,471 INFO L93 Difference]: Finished difference Result 13980 states and 17309 transitions. [2020-10-29 07:31:01,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 07:31:01,472 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 587 [2020-10-29 07:31:01,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:01,487 INFO L225 Difference]: With dead ends: 13980 [2020-10-29 07:31:01,488 INFO L226 Difference]: Without dead ends: 4281 [2020-10-29 07:31:01,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-29 07:31:01,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2020-10-29 07:31:01,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 3907. [2020-10-29 07:31:01,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3907 states. [2020-10-29 07:31:01,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 4108 transitions. [2020-10-29 07:31:01,635 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 4108 transitions. Word has length 587 [2020-10-29 07:31:01,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:01,635 INFO L481 AbstractCegarLoop]: Abstraction has 3907 states and 4108 transitions. [2020-10-29 07:31:01,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 07:31:01,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 4108 transitions. [2020-10-29 07:31:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2020-10-29 07:31:01,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:01,650 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:31:01,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 07:31:01,650 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:01,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:01,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1365320364, now seen corresponding path program 1 times [2020-10-29 07:31:01,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:01,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1093796629] [2020-10-29 07:31:01,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:01,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:01,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:02,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:02,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:06,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:06,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 656 [2020-10-29 07:31:06,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:31:06,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-29 07:31:06,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:06,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:06,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:06,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 461 [2020-10-29 07:31:06,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 07:31:06,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:07,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:07,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:07,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:07,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:07,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:07,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:31:07,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:07,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:07,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:07,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:07,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:07,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:07,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:07,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:31:07,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:07,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 07:31:07,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:07,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:07,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:07,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 07:31:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:07,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:07,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:07,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:31:07,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:07,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 07:31:07,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:07,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:07,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:07,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:07,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:07,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:07,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-29 07:31:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:07,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:07,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:07,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:07,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:07,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 07:31:07,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:07,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-29 07:31:07,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:07,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-29 07:31:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:07,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:07,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:07,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:31:07,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:07,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 07:31:07,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:07,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:07,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:07,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:07,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 07:31:07,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 604 proven. 2 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2020-10-29 07:31:08,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1093796629] [2020-10-29 07:31:08,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:08,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 07:31:08,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009292775] [2020-10-29 07:31:08,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 07:31:08,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:08,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 07:31:08,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:31:08,283 INFO L87 Difference]: Start difference. First operand 3907 states and 4108 transitions. Second operand 8 states. [2020-10-29 07:31:10,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:10,926 INFO L93 Difference]: Finished difference Result 6876 states and 7218 transitions. [2020-10-29 07:31:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:31:10,927 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 638 [2020-10-29 07:31:10,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:10,937 INFO L225 Difference]: With dead ends: 6876 [2020-10-29 07:31:10,937 INFO L226 Difference]: Without dead ends: 3341 [2020-10-29 07:31:10,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-29 07:31:10,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3341 states. [2020-10-29 07:31:11,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3341 to 3155. [2020-10-29 07:31:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3155 states. [2020-10-29 07:31:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 3268 transitions. [2020-10-29 07:31:11,013 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 3268 transitions. Word has length 638 [2020-10-29 07:31:11,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:11,067 INFO L481 AbstractCegarLoop]: Abstraction has 3155 states and 3268 transitions. [2020-10-29 07:31:11,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 07:31:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 3268 transitions. [2020-10-29 07:31:11,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2020-10-29 07:31:11,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:11,083 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:31:11,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 07:31:11,083 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:11,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:11,084 INFO L82 PathProgramCache]: Analyzing trace with hash 454412092, now seen corresponding path program 1 times [2020-10-29 07:31:11,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:11,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313091612] [2020-10-29 07:31:11,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:11,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:11,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:11,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:11,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:12,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:16,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:16,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 737 [2020-10-29 07:31:16,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:31:16,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 07:31:16,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:16,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-29 07:31:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-29 07:31:16,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:16,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:16,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:16,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:16,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:16,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:16,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:31:16,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:16,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:16,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:16,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:16,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:16,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:16,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:16,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:16,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:16,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:31:16,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:16,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 07:31:16,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:16,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 07:31:16,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:16,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 07:31:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:16,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:16,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:16,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:31:16,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:16,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-29 07:31:16,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:16,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:16,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:16,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:16,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 07:31:16,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:16,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-29 07:31:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:16,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:16,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:16,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:16,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:16,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-29 07:31:16,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:16,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:16,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:16,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:31:16,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:16,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:16,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-29 07:31:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:16,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:16,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:16,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 07:31:16,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:16,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:31:16,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:16,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-29 07:31:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:16,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2020-10-29 07:31:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:16,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:16,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:16,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:31:16,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:16,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 07:31:16,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:16,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:16,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:31:16,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:16,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 438 proven. 350 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2020-10-29 07:31:17,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313091612] [2020-10-29 07:31:17,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:17,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:31:17,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422871016] [2020-10-29 07:31:17,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:31:17,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:17,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:31:17,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:31:17,339 INFO L87 Difference]: Start difference. First operand 3155 states and 3268 transitions. Second operand 7 states. [2020-10-29 07:31:18,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:18,921 INFO L93 Difference]: Finished difference Result 5942 states and 6161 transitions. [2020-10-29 07:31:18,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:31:18,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 717 [2020-10-29 07:31:18,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:18,934 INFO L225 Difference]: With dead ends: 5942 [2020-10-29 07:31:18,934 INFO L226 Difference]: Without dead ends: 3159 [2020-10-29 07:31:18,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-29 07:31:18,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3159 states. [2020-10-29 07:31:18,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3159 to 3155. [2020-10-29 07:31:18,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3155 states. [2020-10-29 07:31:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 3260 transitions. [2020-10-29 07:31:19,004 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 3260 transitions. Word has length 717 [2020-10-29 07:31:19,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:19,005 INFO L481 AbstractCegarLoop]: Abstraction has 3155 states and 3260 transitions. [2020-10-29 07:31:19,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:31:19,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 3260 transitions. [2020-10-29 07:31:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2020-10-29 07:31:19,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:19,019 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:31:19,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 07:31:19,019 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:19,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:19,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1525212312, now seen corresponding path program 1 times [2020-10-29 07:31:19,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:19,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634034874] [2020-10-29 07:31:19,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:19,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:19,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:19,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:19,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:20,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:24,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:24,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 891 [2020-10-29 07:31:24,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:31:24,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-29 07:31:24,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:24,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-29 07:31:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-29 07:31:24,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:24,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:24,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:24,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:24,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:24,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:24,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:31:24,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:24,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:24,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:24,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:24,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:24,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:31:24,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:24,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 07:31:24,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:24,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-29 07:31:24,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:24,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:31:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:24,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:24,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:24,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 07:31:24,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:24,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-29 07:31:24,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:24,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:24,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:24,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:24,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-29 07:31:24,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:24,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-29 07:31:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:24,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:24,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:24,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 07:31:24,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:24,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 07:31:24,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:24,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:24,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:24,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-10-29 07:31:24,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:24,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:24,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-29 07:31:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:24,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:24,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:24,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:24,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:24,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 07:31:24,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:24,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:24,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:24,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-29 07:31:24,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:24,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:24,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2020-10-29 07:31:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:24,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:24,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:24,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 07:31:24,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:24,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 07:31:24,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:24,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:24,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:24,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-29 07:31:24,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:24,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:24,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2020-10-29 07:31:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:25,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:25,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:25,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:31:25,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:25,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 07:31:25,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:25,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:31:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:25,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:25,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2019 backedges. 507 proven. 454 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2020-10-29 07:31:25,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634034874] [2020-10-29 07:31:25,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:25,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:31:25,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122942550] [2020-10-29 07:31:25,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:31:25,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:25,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:31:25,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:31:25,686 INFO L87 Difference]: Start difference. First operand 3155 states and 3260 transitions. Second operand 7 states. [2020-10-29 07:31:27,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:27,598 INFO L93 Difference]: Finished difference Result 6306 states and 6525 transitions. [2020-10-29 07:31:27,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 07:31:27,598 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 869 [2020-10-29 07:31:27,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:27,605 INFO L225 Difference]: With dead ends: 6306 [2020-10-29 07:31:27,605 INFO L226 Difference]: Without dead ends: 3523 [2020-10-29 07:31:27,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-29 07:31:27,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3523 states. [2020-10-29 07:31:27,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3523 to 3153. [2020-10-29 07:31:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3153 states. [2020-10-29 07:31:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 3153 states and 3253 transitions. [2020-10-29 07:31:27,677 INFO L78 Accepts]: Start accepts. Automaton has 3153 states and 3253 transitions. Word has length 869 [2020-10-29 07:31:27,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:27,678 INFO L481 AbstractCegarLoop]: Abstraction has 3153 states and 3253 transitions. [2020-10-29 07:31:27,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:31:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 3253 transitions. [2020-10-29 07:31:27,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 945 [2020-10-29 07:31:27,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:27,692 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:31:27,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 07:31:27,693 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:27,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:27,694 INFO L82 PathProgramCache]: Analyzing trace with hash -660912600, now seen corresponding path program 1 times [2020-10-29 07:31:27,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:27,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658234955] [2020-10-29 07:31:27,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:27,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:28,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:28,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:30,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:32,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:32,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 968 [2020-10-29 07:31:32,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:31:32,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-29 07:31:32,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:32,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:32,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:32,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-29 07:31:32,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-29 07:31:32,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:33,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:33,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:33,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:33,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:33,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:33,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 07:31:33,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:33,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:33,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:33,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:33,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:33,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:33,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:33,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:33,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:33,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:31:33,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:33,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 07:31:33,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:33,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:33,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:33,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:31:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:33,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:33,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:33,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:31:33,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:33,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:31:33,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:33,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:33,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:33,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:31:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:33,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:33,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:33,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:31:33,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:33,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 07:31:33,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:33,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:33,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:33,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:33,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:33,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:33,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:31:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:33,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:33,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:33,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:31:33,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:33,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 07:31:33,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:33,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:33,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:33,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:33,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-29 07:31:33,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:33,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:31:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:33,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:33,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:33,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:33,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:33,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-29 07:31:33,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:33,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:33,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:33,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:33,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:31:33,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:33,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-29 07:31:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:33,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:33,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:33,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 07:31:33,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:33,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 07:31:33,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:33,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-29 07:31:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:33,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:33,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2020-10-29 07:31:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:33,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:33,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:33,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:31:33,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:33,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 07:31:33,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:33,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:33,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:33,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:31:33,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:33,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2655 backedges. 978 proven. 194 refuted. 0 times theorem prover too weak. 1483 trivial. 0 not checked. [2020-10-29 07:31:34,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658234955] [2020-10-29 07:31:34,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:34,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 07:31:34,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758632694] [2020-10-29 07:31:34,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 07:31:34,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:34,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 07:31:34,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 07:31:34,188 INFO L87 Difference]: Start difference. First operand 3153 states and 3253 transitions. Second operand 7 states. [2020-10-29 07:31:35,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:35,844 INFO L93 Difference]: Finished difference Result 6856 states and 7084 transitions. [2020-10-29 07:31:35,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:31:35,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 944 [2020-10-29 07:31:35,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:35,855 INFO L225 Difference]: With dead ends: 6856 [2020-10-29 07:31:35,855 INFO L226 Difference]: Without dead ends: 3707 [2020-10-29 07:31:35,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 07:31:35,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3707 states. [2020-10-29 07:31:35,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3707 to 3335. [2020-10-29 07:31:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3335 states. [2020-10-29 07:31:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3335 states to 3335 states and 3433 transitions. [2020-10-29 07:31:35,924 INFO L78 Accepts]: Start accepts. Automaton has 3335 states and 3433 transitions. Word has length 944 [2020-10-29 07:31:35,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:35,925 INFO L481 AbstractCegarLoop]: Abstraction has 3335 states and 3433 transitions. [2020-10-29 07:31:35,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 07:31:35,926 INFO L276 IsEmpty]: Start isEmpty. Operand 3335 states and 3433 transitions. [2020-10-29 07:31:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2020-10-29 07:31:35,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:35,940 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 07:31:35,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 07:31:35,941 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:35,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:35,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1592219084, now seen corresponding path program 1 times [2020-10-29 07:31:35,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:35,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299372767] [2020-10-29 07:31:35,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:36,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:36,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:39,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:39,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:41,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:41,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:41,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1046 [2020-10-29 07:31:41,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 07:31:41,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5104 [2020-10-29 07:31:41,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:41,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:41,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 07:31:41,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 589 [2020-10-29 07:31:41,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 263 [2020-10-29 07:31:41,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:41,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:41,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:41,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:41,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:41,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:41,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:31:41,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:41,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:41,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:41,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:41,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:41,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:41,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:31:41,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:41,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 07:31:41,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:41,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:41,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:41,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:41,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:41,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:41,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:31:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:41,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:41,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:41,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:31:41,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:41,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:31:41,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:41,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:41,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:41,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:41,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:41,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:41,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:31:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:41,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:41,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:41,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:31:41,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:41,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 07:31:41,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:41,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:41,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:41,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:31:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:41,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:41,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:41,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:31:41,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:41,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 07:31:41,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:41,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:41,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:41,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:41,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:41,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:41,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:31:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:41,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:41,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:41,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:31:41,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:31:41,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:41,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 07:31:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:41,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-29 07:31:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:41,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:41,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:41,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:41,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:41,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-29 07:31:41,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:41,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 07:31:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 07:31:41,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:41,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-29 07:31:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:41,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:42,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:42,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 07:31:42,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:42,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 07:31:42,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:42,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 07:31:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 07:31:42,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:42,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 837 [2020-10-29 07:31:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:42,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:42,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:42,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:31:42,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:42,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 07:31:42,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:42,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:42,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:42,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 07:31:42,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:42,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3251 backedges. 1501 proven. 196 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2020-10-29 07:31:42,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299372767] [2020-10-29 07:31:42,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:42,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 07:31:42,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750903884] [2020-10-29 07:31:42,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 07:31:42,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:42,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 07:31:42,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 07:31:42,700 INFO L87 Difference]: Start difference. First operand 3335 states and 3433 transitions. Second operand 9 states. [2020-10-29 07:31:45,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:45,621 INFO L93 Difference]: Finished difference Result 6482 states and 6659 transitions. [2020-10-29 07:31:45,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 07:31:45,622 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1020 [2020-10-29 07:31:45,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:45,634 INFO L225 Difference]: With dead ends: 6482 [2020-10-29 07:31:45,634 INFO L226 Difference]: Without dead ends: 3337 [2020-10-29 07:31:45,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-29 07:31:45,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2020-10-29 07:31:45,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 2967. [2020-10-29 07:31:45,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2967 states. [2020-10-29 07:31:45,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 3029 transitions. [2020-10-29 07:31:45,700 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 3029 transitions. Word has length 1020 [2020-10-29 07:31:45,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:45,701 INFO L481 AbstractCegarLoop]: Abstraction has 2967 states and 3029 transitions. [2020-10-29 07:31:45,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 07:31:45,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 3029 transitions. [2020-10-29 07:31:45,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1622 [2020-10-29 07:31:45,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 07:31:45,731 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 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, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 07:31:45,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 07:31:45,731 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 07:31:45,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 07:31:45,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1981100852, now seen corresponding path program 1 times [2020-10-29 07:31:45,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 07:31:45,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641149043] [2020-10-29 07:31:45,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 07:31:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:46,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:46,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:47,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:50,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:51,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:51,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1655 [2020-10-29 07:31:51,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 07:31:51,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5144 [2020-10-29 07:31:51,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:51,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:51,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 07:31:51,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1460 [2020-10-29 07:31:51,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-29 07:31:51,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:51,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 07:31:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:51,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:51,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:51,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 07:31:51,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:51,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 07:31:51,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:51,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:51,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:51,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:51,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:51,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:51,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 07:31:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:51,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:51,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:51,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 07:31:51,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:51,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:31:51,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:51,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:51,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:51,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:51,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:51,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:51,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 07:31:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:51,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:51,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:51,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 07:31:51,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:51,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:31:51,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:51,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:51,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:51,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:51,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-29 07:31:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:51,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:51,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:51,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 07:31:51,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:51,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 07:31:51,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:51,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:51,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:51,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:51,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-29 07:31:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:51,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:51,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:51,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 07:31:51,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:51,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 07:31:51,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:51,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:51,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:51,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:51,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:51,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:51,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-29 07:31:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:51,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:51,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:51,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 07:31:51,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:51,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 07:31:51,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:51,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:51,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:51,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:51,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:51,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:51,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-29 07:31:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:51,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:51,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:51,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 07:31:51,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:51,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 07:31:51,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:51,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:51,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:51,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:51,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-29 07:31:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:51,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:51,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:51,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 07:31:51,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:51,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 07:31:51,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:51,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:51,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:51,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:51,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:51,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:51,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2020-10-29 07:31:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:51,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:51,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:51,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-29 07:31:51,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:51,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 07:31:51,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:51,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:51,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:51,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:51,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:51,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2020-10-29 07:31:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:51,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:51,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:51,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 07:31:51,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 07:31:51,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:51,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:52,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1198 [2020-10-29 07:31:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:52,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:52,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:52,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 07:31:52,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:52,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 07:31:52,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:52,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 07:31:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:52,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 07:31:52,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:52,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1311 [2020-10-29 07:31:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:52,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:52,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:52,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-29 07:31:52,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:52,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-29 07:31:52,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:52,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 07:31:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 07:31:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 07:31:52,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:52,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1438 [2020-10-29 07:31:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 07:31:52,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 07:31:52,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 07:31:52,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 07:31:52,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 07:31:52,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-29 07:31:52,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 07:31:52,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 07:31:52,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 07:31:52,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 07:31:52,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 07:31:52,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 07:31:53,866 INFO L134 CoverageAnalysis]: Checked inductivity of 8135 backedges. 1997 proven. 28 refuted. 0 times theorem prover too weak. 6110 trivial. 0 not checked. [2020-10-29 07:31:53,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641149043] [2020-10-29 07:31:53,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 07:31:53,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 07:31:53,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529946779] [2020-10-29 07:31:53,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 07:31:53,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 07:31:53,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 07:31:53,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 07:31:53,869 INFO L87 Difference]: Start difference. First operand 2967 states and 3029 transitions. Second operand 8 states. [2020-10-29 07:31:55,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 07:31:55,947 INFO L93 Difference]: Finished difference Result 3174 states and 3245 transitions. [2020-10-29 07:31:55,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 07:31:55,948 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1621 [2020-10-29 07:31:55,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 07:31:55,951 INFO L225 Difference]: With dead ends: 3174 [2020-10-29 07:31:55,951 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 07:31:55,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-29 07:31:55,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 07:31:55,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 07:31:55,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 07:31:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 07:31:55,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1621 [2020-10-29 07:31:55,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 07:31:55,956 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 07:31:55,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 07:31:55,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 07:31:55,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 07:31:55,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 07:31:55,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 07:31:57,305 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 313 DAG size of output: 265 [2020-10-29 07:31:58,632 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 265 [2020-10-29 07:32:00,372 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 264 DAG size of output: 65 [2020-10-29 07:32:00,518 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 32 [2020-10-29 07:32:02,719 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 290 DAG size of output: 75 [2020-10-29 07:32:04,351 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 264 DAG size of output: 65 [2020-10-29 07:32:05,204 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 59 [2020-10-29 07:32:05,209 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 07:32:05,209 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 07:32:05,209 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 07:32:05,210 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 07:32:05,210 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 07:32:05,210 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 07:32:05,210 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 07:32:05,210 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-29 07:32:05,210 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 07:32:05,210 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 07:32:05,210 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 07:32:05,210 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-29 07:32:05,210 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-29 07:32:05,210 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-29 07:32:05,210 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,211 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,211 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,211 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-29 07:32:05,211 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 07:32:05,211 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 07:32:05,211 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 07:32:05,211 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-29 07:32:05,211 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-29 07:32:05,211 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-29 07:32:05,211 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-29 07:32:05,212 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,212 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,212 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,212 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-29 07:32:05,212 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-29 07:32:05,212 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 07:32:05,212 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 07:32:05,212 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 07:32:05,212 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-29 07:32:05,213 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-29 07:32:05,213 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-29 07:32:05,213 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,213 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,213 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,213 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-29 07:32:05,213 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 07:32:05,213 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 07:32:05,213 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 07:32:05,213 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-29 07:32:05,214 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-29 07:32:05,214 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-29 07:32:05,214 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-29 07:32:05,214 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-29 07:32:05,214 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,214 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,214 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,214 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-29 07:32:05,214 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 07:32:05,214 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 07:32:05,214 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 07:32:05,215 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-29 07:32:05,215 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-29 07:32:05,215 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-29 07:32:05,215 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,215 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,215 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,215 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-29 07:32:05,215 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 07:32:05,215 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 07:32:05,215 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 07:32:05,215 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-29 07:32:05,215 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,216 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-29 07:32:05,216 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-29 07:32:05,216 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-29 07:32:05,216 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-29 07:32:05,216 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,216 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,216 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,216 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-29 07:32:05,216 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 07:32:05,216 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 07:32:05,216 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 07:32:05,217 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-29 07:32:05,217 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-29 07:32:05,217 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-29 07:32:05,217 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-29 07:32:05,217 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,217 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,217 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,217 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 07:32:05,217 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 07:32:05,217 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 07:32:05,217 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-29 07:32:05,217 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-29 07:32:05,218 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-29 07:32:05,218 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-29 07:32:05,218 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-29 07:32:05,218 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,218 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,218 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,218 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-29 07:32:05,219 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse12 (= ~a21~0 |old(~a21~0)|)) (.cse13 (= ~a12~0 |old(~a12~0)|)) (.cse14 (= ~a15~0 |old(~a15~0)|))) (let ((.cse7 (not (= 10 |old(~a21~0)|))) (.cse3 (not (<= |old(~a21~0)| 6))) (.cse1 (not (= 9 |old(~a15~0)|))) (.cse10 (not (<= 82 |old(~a12~0)|))) (.cse0 (not (= |old(~a24~0)| 1))) (.cse2 (and .cse12 (= ~a24~0 1) .cse13 .cse14)) (.cse9 (not (= 8 |old(~a15~0)|))) (.cse4 (not (<= |old(~a15~0)| 8))) (.cse5 (= 7 |old(~a21~0)|)) (.cse11 (not (<= |old(~a15~0)| 7))) (.cse8 (and (= ~a24~0 |old(~a24~0)|) .cse12 .cse13 .cse14)) (.cse6 (not (<= |old(~a12~0)| 76)))) (and (or .cse0 (not (<= |old(~a12~0)| 95442)) .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse4 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse6) (or .cse8 .cse9 .cse3) (or .cse8 .cse1 (not (<= 7 |old(~a21~0)|)) .cse10) (or (not (<= 8 |old(~a21~0)|)) .cse0 .cse1 .cse2 (not (<= |old(~a21~0)| 8)) .cse6) (or .cse0 .cse2 (not (<= |old(~a12~0)| 73282)) .cse4 .cse5 .cse10) (or .cse0 .cse2 .cse9 (not (<= |old(~a12~0)| 2))) (or .cse11 .cse8 .cse4 .cse5) (or .cse11 .cse8 .cse6)))) [2020-10-29 07:32:05,219 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-29 07:32:05,219 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 07:32:05,219 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 07:32:05,219 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 07:32:05,219 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-29 07:32:05,219 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-29 07:32:05,219 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-29 07:32:05,219 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,219 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,220 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,220 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 07:32:05,220 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 07:32:05,220 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 07:32:05,220 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-29 07:32:05,220 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-29 07:32:05,220 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-29 07:32:05,220 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-29 07:32:05,220 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-29 07:32:05,220 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,221 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,222 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-29 07:32:05,222 INFO L270 CegarLoopResult]: At program point L201(line 201) the Hoare annotation is: (let ((.cse3 (not (<= |old(~a21~0)| 6))) (.cse1 (not (<= 82 |old(~a12~0)|))) (.cse6 (not (<= |old(~a15~0)| 7))) (.cse7 (not (= 10 |old(~a21~0)|))) (.cse4 (not (<= |old(~a15~0)| 8))) (.cse2 (not (= |old(~a24~0)| 1))) (.cse0 (not (= 9 |old(~a15~0)|))) (.cse5 (= 7 |old(~a21~0)|)) (.cse8 (not (<= |old(~a12~0)| 76)))) (and (or .cse0 (not (<= 7 |old(~a21~0)|)) .cse1) (or .cse2 (not (<= |old(~a12~0)| 95442)) .cse0 .cse3) (or .cse4 .cse3) (or .cse2 (not (<= |old(~a12~0)| 73282)) .cse4 .cse5 .cse1) (or .cse6 .cse4 .cse5) (or .cse7 (not (= 8 |old(~a15~0)|))) (or .cse6 .cse8) (or .cse2 .cse4 .cse5 .cse8) (or .cse7 .cse2 .cse0 .cse8) (or .cse2 .cse4 (not (<= |old(~a12~0)| 2))) (or .cse2 .cse0 .cse5 (not (<= |old(~a21~0)| 8)) .cse8))) [2020-10-29 07:32:05,222 INFO L274 CegarLoopResult]: For program point L201-1(line 201) no Hoare annotation was computed. [2020-10-29 07:32:05,222 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 07:32:05,222 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 07:32:05,222 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-29 07:32:05,222 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-29 07:32:05,222 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-29 07:32:05,222 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-29 07:32:05,223 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,223 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,223 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,223 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-29 07:32:05,223 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 07:32:05,223 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 07:32:05,223 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 07:32:05,223 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-29 07:32:05,223 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-29 07:32:05,223 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-29 07:32:05,223 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-29 07:32:05,223 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,224 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,224 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-29 07:32:05,224 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 07:32:05,224 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 07:32:05,224 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-29 07:32:05,224 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-29 07:32:05,224 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-29 07:32:05,224 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-29 07:32:05,224 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-29 07:32:05,224 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,225 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,225 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-29 07:32:05,225 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 07:32:05,225 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 07:32:05,225 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-29 07:32:05,225 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-29 07:32:05,225 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-29 07:32:05,225 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,225 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,225 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-29 07:32:05,225 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 07:32:05,226 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,227 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-29 07:32:05,227 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-29 07:32:05,227 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-29 07:32:05,227 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,227 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,227 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-29 07:32:05,227 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-29 07:32:05,227 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 07:32:05,227 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 07:32:05,227 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-29 07:32:05,228 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-29 07:32:05,228 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,228 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,228 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 07:32:05,228 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,228 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-29 07:32:05,228 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-29 07:32:05,228 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-29 07:32:05,228 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 07:32:05,228 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 07:32:05,228 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 07:32:05,228 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-29 07:32:05,229 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-29 07:32:05,229 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-29 07:32:05,229 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-29 07:32:05,229 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,229 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,229 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,229 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-29 07:32:05,229 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 07:32:05,229 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 07:32:05,229 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 07:32:05,229 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-29 07:32:05,229 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-29 07:32:05,230 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-29 07:32:05,230 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-29 07:32:05,230 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,230 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,230 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,230 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-29 07:32:05,230 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-29 07:32:05,230 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 07:32:05,230 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 07:32:05,230 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 07:32:05,230 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-29 07:32:05,231 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-29 07:32:05,231 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-29 07:32:05,231 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,231 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,231 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,231 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-29 07:32:05,231 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 07:32:05,231 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 07:32:05,231 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 07:32:05,231 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-29 07:32:05,231 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-29 07:32:05,232 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-29 07:32:05,232 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-29 07:32:05,232 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-29 07:32:05,232 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,232 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,232 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-29 07:32:05,232 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 07:32:05,232 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 8 ~a15~0) (= ~a24~0 1) (<= ~a15~0 8) (not (= ~a21~0 6)) (= (+ ~a12~0 49) 0)) [2020-10-29 07:32:05,232 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 07:32:05,232 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 07:32:05,233 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= (+ |old(~a12~0)| 49) 0)) (not (= |old(~a24~0)| 1)) (not (<= 8 |old(~a15~0)|)) (and (= ~a21~0 |old(~a21~0)|) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (= 6 |old(~a21~0)|)) [2020-10-29 07:32:05,233 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse4 (<= 82 ~a12~0)) (.cse2 (= ~a24~0 1)) (.cse1 (<= ~a21~0 6)) (.cse5 (= ~a15~0 9)) (.cse8 (not (= 7 ~a21~0))) (.cse0 (<= ~a15~0 8)) (.cse9 (<= ~a15~0 7)) (.cse6 (<= ~a12~0 76)) (.cse7 (= ~a21~0 10)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (or (and .cse0 .cse1) (and (<= ~a12~0 2) .cse2 .cse3) (and (<= 7 ~a21~0) .cse4 .cse5) (not (= |old(~a24~0)| 1)) (not (<= 8 |old(~a15~0)|)) (and (<= 8 ~a21~0) .cse2 .cse5 (<= ~a21~0 8) .cse6) (not (<= |old(~a21~0)| 7)) (and .cse7 .cse2 .cse5 .cse6) (and .cse4 .cse8 .cse2 .cse0 (<= ~a12~0 73282)) (and .cse8 .cse2 .cse0 .cse6) (and .cse2 (<= ~a12~0 95442) .cse1 .cse5) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse9 .cse8 .cse0) (and .cse9 .cse6) (not (<= |old(~a15~0)| 8)) (= 6 |old(~a21~0)|) (and .cse7 .cse3))) [2020-10-29 07:32:05,233 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-29 07:32:05,233 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-29 07:32:05,233 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-29 07:32:05,233 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse4 (<= 82 ~a12~0)) (.cse2 (= ~a24~0 1)) (.cse1 (<= ~a21~0 6)) (.cse5 (= ~a15~0 9)) (.cse8 (not (= 7 ~a21~0))) (.cse0 (<= ~a15~0 8)) (.cse9 (<= ~a15~0 7)) (.cse6 (<= ~a12~0 76)) (.cse7 (= ~a21~0 10)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (or (and .cse0 .cse1) (and (<= ~a12~0 2) .cse2 .cse3) (and (<= 7 ~a21~0) .cse4 .cse5) (not (= |old(~a24~0)| 1)) (not (<= 8 |old(~a15~0)|)) (and (<= 8 ~a21~0) .cse2 .cse5 (<= ~a21~0 8) .cse6) (not (<= |old(~a21~0)| 7)) (and .cse7 .cse2 .cse5 .cse6) (and .cse4 .cse8 .cse2 .cse0 (<= ~a12~0 73282)) (and .cse8 .cse2 .cse0 .cse6) (and .cse2 (<= ~a12~0 95442) .cse1 .cse5) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse9 .cse8 .cse0) (and .cse9 .cse6) (not (<= |old(~a15~0)| 8)) (= 6 |old(~a21~0)|) (and .cse7 .cse3))) [2020-10-29 07:32:05,234 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-29 07:32:05,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 07:32:05 BoogieIcfgContainer [2020-10-29 07:32:05,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 07:32:05,261 INFO L168 Benchmark]: Toolchain (without parser) took 158488.60 ms. Allocated memory was 151.0 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 124.5 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2020-10-29 07:32:05,262 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 122.5 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 07:32:05,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.73 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 122.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-29 07:32:05,263 INFO L168 Benchmark]: Boogie Preprocessor took 177.46 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 117.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 07:32:05,264 INFO L168 Benchmark]: RCFGBuilder took 1622.41 ms. Allocated memory is still 151.0 MB. Free memory was 116.8 MB in the beginning and 60.9 MB in the end (delta: 55.8 MB). Peak memory consumption was 57.4 MB. Max. memory is 8.0 GB. [2020-10-29 07:32:05,264 INFO L168 Benchmark]: TraceAbstraction took 155874.47 ms. Allocated memory was 151.0 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 60.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2020-10-29 07:32:05,267 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 was 122.5 MB in the beginning and 122.5 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 799.73 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 122.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 177.46 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 117.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1622.41 ms. Allocated memory is still 151.0 MB. Free memory was 116.8 MB in the beginning and 60.9 MB in the end (delta: 55.8 MB). Peak memory consumption was 57.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 155874.47 ms. Allocated memory was 151.0 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 60.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.2 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: ((((((((((((((((a15 <= 8 && a21 <= 6) || ((a12 <= 2 && a24 == 1) && a15 == \old(a15))) || ((7 <= a21 && 82 <= a12) && a15 == 9)) || !(\old(a24) == 1)) || !(8 <= \old(a15))) || ((((8 <= a21 && a24 == 1) && a15 == 9) && a21 <= 8) && a12 <= 76)) || !(\old(a21) <= 7)) || (((a21 == 10 && a24 == 1) && a15 == 9) && a12 <= 76)) || ((((82 <= a12 && !(7 == a21)) && a24 == 1) && a15 <= 8) && a12 <= 73282)) || (((!(7 == a21) && a24 == 1) && a15 <= 8) && a12 <= 76)) || (((a24 == 1 && a12 <= 95442) && a21 <= 6) && a15 == 9)) || !(\old(a12) + 49 == 0)) || ((a15 <= 7 && !(7 == a21)) && a15 <= 8)) || (a15 <= 7 && a12 <= 76)) || !(\old(a15) <= 8)) || 6 == \old(a21)) || (a21 == 10 && a15 == \old(a15)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 146.4s, OverallIterations: 17, TraceHistogramMax: 13, AutomataDifference: 48.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 545 SDtfs, 9781 SDslu, 763 SDs, 0 SdLazy, 23358 SolverSat, 2793 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 222 SyntacticMatches, 3 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6803occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 17 MinimizatonAttempts, 2874 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 699 PreInvPairs, 805 NumberOfFragments, 885 HoareAnnotationTreeSize, 699 FomulaSimplifications, 753823 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 30616 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 88.7s InterpolantComputationTime, 9711 NumberOfCodeBlocks, 9711 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 9694 ConstructedInterpolants, 0 QuantifiedInterpolants, 16167224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 20347/22280 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...