/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/Problem16_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 13:28:58,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 13:28:58,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 13:28:58,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 13:28:58,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 13:28:58,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 13:28:58,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 13:28:58,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 13:28:58,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 13:28:58,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 13:28:58,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 13:28:58,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 13:28:58,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 13:28:58,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 13:28:58,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 13:28:58,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 13:28:58,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 13:28:58,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 13:28:58,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 13:28:58,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 13:28:58,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 13:28:58,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 13:28:58,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 13:28:58,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 13:28:58,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 13:28:58,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 13:28:58,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 13:28:58,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 13:28:58,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 13:28:58,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 13:28:58,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 13:28:58,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 13:28:58,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 13:28:58,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 13:28:58,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 13:28:58,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 13:28:58,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 13:28:58,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 13:28:58,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 13:28:58,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 13:28:58,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 13:28:58,387 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 [2020-10-28 13:28:58,414 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 13:28:58,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 13:28:58,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 13:28:58,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 13:28:58,417 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 13:28:58,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 13:28:58,417 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 13:28:58,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 13:28:58,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 13:28:58,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 13:28:58,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 13:28:58,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 13:28:58,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 13:28:58,418 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 13:28:58,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 13:28:58,419 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 13:28:58,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 13:28:58,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 13:28:58,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 13:28:58,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 13:28:58,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 13:28:58,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 13:28:58,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 13:28:58,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 13:28:58,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 13:28:58,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 13:28:58,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 13:28:58,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 13:28:58,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 13:28:58,422 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 13:28:58,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 13:28:58,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 13:28:58,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 13:28:58,924 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 13:28:58,925 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 13:28:58,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label56.c [2020-10-28 13:28:59,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/932562ed1/1bc8b9a6a31e43e4a9b70c93cffa815c/FLAGf08a7710f [2020-10-28 13:28:59,953 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 13:28:59,954 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem16_label56.c [2020-10-28 13:28:59,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/932562ed1/1bc8b9a6a31e43e4a9b70c93cffa815c/FLAGf08a7710f [2020-10-28 13:29:00,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/932562ed1/1bc8b9a6a31e43e4a9b70c93cffa815c [2020-10-28 13:29:00,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 13:29:00,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 13:29:00,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 13:29:00,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 13:29:00,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 13:29:00,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:29:00" (1/1) ... [2020-10-28 13:29:00,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685e4fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:29:00, skipping insertion in model container [2020-10-28 13:29:00,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:29:00" (1/1) ... [2020-10-28 13:29:00,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 13:29:00,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 13:29:01,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 13:29:01,069 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 13:29:01,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 13:29:01,402 INFO L208 MainTranslator]: Completed translation [2020-10-28 13:29:01,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:29:01 WrapperNode [2020-10-28 13:29:01,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 13:29:01,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 13:29:01,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 13:29:01,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 13:29:01,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:29:01" (1/1) ... [2020-10-28 13:29:01,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:29:01" (1/1) ... [2020-10-28 13:29:01,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:29:01" (1/1) ... [2020-10-28 13:29:01,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:29:01" (1/1) ... [2020-10-28 13:29:01,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:29:01" (1/1) ... [2020-10-28 13:29:01,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:29:01" (1/1) ... [2020-10-28 13:29:01,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:29:01" (1/1) ... [2020-10-28 13:29:01,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 13:29:01,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 13:29:01,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 13:29:01,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 13:29:01,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:29:01" (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 [2020-10-28 13:29:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 13:29:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 13:29:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 13:29:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 13:29:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-28 13:29:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 13:29:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 13:29:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-28 13:29:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 13:29:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 13:29:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 13:29:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 13:29:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 13:29:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 13:29:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 13:29:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 13:29:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 13:29:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 13:29:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 13:29:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 13:29:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 13:29:04,231 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 13:29:04,231 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 13:29:04,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:29:04 BoogieIcfgContainer [2020-10-28 13:29:04,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 13:29:04,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 13:29:04,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 13:29:04,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 13:29:04,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:29:00" (1/3) ... [2020-10-28 13:29:04,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dab8f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:29:04, skipping insertion in model container [2020-10-28 13:29:04,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:29:01" (2/3) ... [2020-10-28 13:29:04,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dab8f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:29:04, skipping insertion in model container [2020-10-28 13:29:04,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:29:04" (3/3) ... [2020-10-28 13:29:04,244 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label56.c [2020-10-28 13:29:04,258 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 13:29:04,265 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 13:29:04,279 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 13:29:04,329 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 13:29:04,330 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 13:29:04,330 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 13:29:04,330 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 13:29:04,330 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 13:29:04,330 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 13:29:04,330 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 13:29:04,331 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 13:29:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states. [2020-10-28 13:29:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-28 13:29:04,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:29:04,369 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] [2020-10-28 13:29:04,369 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:29:04,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:29:04,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1558394036, now seen corresponding path program 1 times [2020-10-28 13:29:04,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:29:04,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333596475] [2020-10-28 13:29:04,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:29:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:04,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:05,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:05,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-28 13:29:05,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:05,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 687 [2020-10-28 13:29:05,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:05,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:05,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 13:29:05,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 13:29:05,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 13:29:05,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 13:29:05,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:29:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:05,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:05,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:05,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:29:05,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:05,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 13:29:05,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:05,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:29:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:29:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 13:29:05,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 13:29:05,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 13:29:05,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333596475] [2020-10-28 13:29:05,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 13:29:05,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 13:29:05,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340679482] [2020-10-28 13:29:05,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 13:29:05,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:29:05,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 13:29:05,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 13:29:05,534 INFO L87 Difference]: Start difference. First operand 413 states. Second operand 5 states. [2020-10-28 13:29:13,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:29:13,136 INFO L93 Difference]: Finished difference Result 1520 states and 2855 transitions. [2020-10-28 13:29:13,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 13:29:13,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-10-28 13:29:13,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:29:13,163 INFO L225 Difference]: With dead ends: 1520 [2020-10-28 13:29:13,164 INFO L226 Difference]: Without dead ends: 1039 [2020-10-28 13:29:13,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 13:29:13,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2020-10-28 13:29:13,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1035. [2020-10-28 13:29:13,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-10-28 13:29:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1486 transitions. [2020-10-28 13:29:13,316 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1486 transitions. Word has length 40 [2020-10-28 13:29:13,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:29:13,318 INFO L481 AbstractCegarLoop]: Abstraction has 1035 states and 1486 transitions. [2020-10-28 13:29:13,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 13:29:13,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1486 transitions. [2020-10-28 13:29:13,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-28 13:29:13,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:29:13,328 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 13:29:13,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 13:29:13,329 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:29:13,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:29:13,330 INFO L82 PathProgramCache]: Analyzing trace with hash -87136908, now seen corresponding path program 1 times [2020-10-28 13:29:13,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:29:13,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [587117595] [2020-10-28 13:29:13,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:29:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:13,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:13,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:14,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:14,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 13:29:14,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 13:29:14,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1289 [2020-10-28 13:29:14,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:14,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 13:29:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 13:29:14,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-28 13:29:14,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 13:29:14,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:29:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:14,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:14,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:14,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:29:14,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:14,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 13:29:14,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:14,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:14,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:29:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:29:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 13:29:14,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 13:29:14,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 13:29:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:14,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:15,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:15,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 13:29:15,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:15,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-28 13:29:15,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:15,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:15,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:29:15,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:29:15,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 13:29:15,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:29:15,261 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 13:29:15,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [587117595] [2020-10-28 13:29:15,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 13:29:15,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 13:29:15,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029694609] [2020-10-28 13:29:15,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 13:29:15,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:29:15,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 13:29:15,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 13:29:15,270 INFO L87 Difference]: Start difference. First operand 1035 states and 1486 transitions. Second operand 7 states. [2020-10-28 13:29:20,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:29:20,732 INFO L93 Difference]: Finished difference Result 3111 states and 4515 transitions. [2020-10-28 13:29:20,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 13:29:20,734 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 116 [2020-10-28 13:29:20,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:29:20,751 INFO L225 Difference]: With dead ends: 3111 [2020-10-28 13:29:20,752 INFO L226 Difference]: Without dead ends: 2082 [2020-10-28 13:29:20,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 13:29:20,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2020-10-28 13:29:20,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 2076. [2020-10-28 13:29:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2076 states. [2020-10-28 13:29:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 2076 states and 2688 transitions. [2020-10-28 13:29:20,865 INFO L78 Accepts]: Start accepts. Automaton has 2076 states and 2688 transitions. Word has length 116 [2020-10-28 13:29:20,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:29:20,867 INFO L481 AbstractCegarLoop]: Abstraction has 2076 states and 2688 transitions. [2020-10-28 13:29:20,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 13:29:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2688 transitions. [2020-10-28 13:29:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-28 13:29:20,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:29:20,880 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 13:29:20,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 13:29:20,881 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:29:20,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:29:20,883 INFO L82 PathProgramCache]: Analyzing trace with hash -990347230, now seen corresponding path program 1 times [2020-10-28 13:29:20,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:29:20,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801839625] [2020-10-28 13:29:20,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:29:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:20,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:21,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:21,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:22,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:22,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:24,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:25,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:25,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-28 13:29:25,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 13:29:25,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4537 [2020-10-28 13:29:25,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:25,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 13:29:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-28 13:29:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-28 13:29:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 13:29:25,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:29:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:25,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:25,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:25,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:29:25,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:25,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 13:29:25,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:25,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:25,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:29:25,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:29:25,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:29:25,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:29:25,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 13:29:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:25,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:25,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:25,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-28 13:29:25,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:25,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 13:29:25,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:25,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:25,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:29:25,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:29:25,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-28 13:29:25,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:29:25,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 13:29:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:25,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:26,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:26,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:26,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 13:29:26,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 13:29:26,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-28 13:29:26,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:26,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:26,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:29:26,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:29:26,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 13:29:26,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 13:29:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 13:29:26,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801839625] [2020-10-28 13:29:26,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 13:29:26,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 13:29:26,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204188459] [2020-10-28 13:29:26,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 13:29:26,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:29:26,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 13:29:26,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 13:29:26,266 INFO L87 Difference]: Start difference. First operand 2076 states and 2688 transitions. Second operand 8 states. [2020-10-28 13:29:35,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:29:35,035 INFO L93 Difference]: Finished difference Result 5593 states and 7671 transitions. [2020-10-28 13:29:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 13:29:35,041 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 203 [2020-10-28 13:29:35,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:29:35,070 INFO L225 Difference]: With dead ends: 5593 [2020-10-28 13:29:35,070 INFO L226 Difference]: Without dead ends: 3523 [2020-10-28 13:29:35,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-10-28 13:29:35,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3523 states. [2020-10-28 13:29:35,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3523 to 3500. [2020-10-28 13:29:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3500 states. [2020-10-28 13:29:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 3500 states and 4603 transitions. [2020-10-28 13:29:35,213 INFO L78 Accepts]: Start accepts. Automaton has 3500 states and 4603 transitions. Word has length 203 [2020-10-28 13:29:35,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:29:35,215 INFO L481 AbstractCegarLoop]: Abstraction has 3500 states and 4603 transitions. [2020-10-28 13:29:35,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 13:29:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3500 states and 4603 transitions. [2020-10-28 13:29:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2020-10-28 13:29:35,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:29:35,231 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 13:29:35,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 13:29:35,232 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:29:35,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:29:35,233 INFO L82 PathProgramCache]: Analyzing trace with hash 2011906418, now seen corresponding path program 1 times [2020-10-28 13:29:35,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:29:35,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63164264] [2020-10-28 13:29:35,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:29:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:35,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:35,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:36,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:37,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:37,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:38,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:40,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:40,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 521 [2020-10-28 13:29:40,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 13:29:40,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 13:29:40,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:40,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 13:29:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-28 13:29:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 379 [2020-10-28 13:29:40,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 13:29:40,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:29:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:40,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:40,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:40,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:29:40,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:40,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 13:29:40,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:40,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:40,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:29:40,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:29:40,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:29:40,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:29:40,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 13:29:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:40,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:40,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:40,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-28 13:29:40,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:40,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 13:29:40,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:40,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:40,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:29:40,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:29:40,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-28 13:29:40,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:29:40,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 13:29:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:40,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:41,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:41,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:41,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-28 13:29:41,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 13:29:41,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1036 [2020-10-28 13:29:41,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:41,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:29:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:29:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-10-28 13:29:41,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:29:42,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-28 13:29:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:42,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:42,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:42,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 13:29:42,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:42,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-28 13:29:42,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:42,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:29:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:29:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-28 13:29:42,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 13:29:42,964 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 368 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-28 13:29:42,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63164264] [2020-10-28 13:29:42,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 13:29:42,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 13:29:42,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443319315] [2020-10-28 13:29:42,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 13:29:42,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:29:42,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 13:29:42,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-28 13:29:42,968 INFO L87 Difference]: Start difference. First operand 3500 states and 4603 transitions. Second operand 9 states. [2020-10-28 13:29:48,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:29:48,943 INFO L93 Difference]: Finished difference Result 9087 states and 12272 transitions. [2020-10-28 13:29:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 13:29:48,945 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 505 [2020-10-28 13:29:48,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:29:48,970 INFO L225 Difference]: With dead ends: 9087 [2020-10-28 13:29:48,971 INFO L226 Difference]: Without dead ends: 4879 [2020-10-28 13:29:48,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-28 13:29:48,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2020-10-28 13:29:49,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 3840. [2020-10-28 13:29:49,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3840 states. [2020-10-28 13:29:49,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 4340 transitions. [2020-10-28 13:29:49,084 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 4340 transitions. Word has length 505 [2020-10-28 13:29:49,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:29:49,085 INFO L481 AbstractCegarLoop]: Abstraction has 3840 states and 4340 transitions. [2020-10-28 13:29:49,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 13:29:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 4340 transitions. [2020-10-28 13:29:49,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2020-10-28 13:29:49,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:29:49,107 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 13:29:49,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 13:29:49,108 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:29:49,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:29:49,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1651987462, now seen corresponding path program 1 times [2020-10-28 13:29:49,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:29:49,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756522362] [2020-10-28 13:29:49,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:29:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:49,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:49,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:49,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:52,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:54,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:54,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 729 [2020-10-28 13:29:54,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 13:29:54,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5080 [2020-10-28 13:29:54,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:54,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:29:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-28 13:29:54,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-28 13:29:54,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:29:54,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:29:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:54,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:54,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:54,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:29:54,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:54,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 13:29:54,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:54,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:54,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:29:54,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:29:54,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:29:54,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:29:54,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 13:29:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:54,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:54,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:54,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-28 13:29:54,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:54,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-28 13:29:54,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:54,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:54,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:29:54,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:29:54,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 13:29:54,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 13:29:54,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 13:29:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:54,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:54,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:54,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-28 13:29:54,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:54,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-28 13:29:54,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:54,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:29:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:29:54,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-28 13:29:54,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 13:29:55,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-28 13:29:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:55,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:55,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:55,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 13:29:55,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:55,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 13:29:55,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:55,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:29:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-28 13:29:55,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:29:55,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:29:55,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-10-28 13:29:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:55,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:55,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:55,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 13:29:55,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:55,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-28 13:29:55,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:55,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:55,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:29:55,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-28 13:29:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:29:55,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:29:55,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-10-28 13:29:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:29:55,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:29:55,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:29:55,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-28 13:29:55,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:29:55,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-28 13:29:55,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:29:55,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:29:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:29:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 213 [2020-10-28 13:29:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:29:55,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:29:56,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 269 proven. 347 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2020-10-28 13:29:56,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756522362] [2020-10-28 13:29:56,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 13:29:56,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 13:29:56,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132632087] [2020-10-28 13:29:56,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 13:29:56,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:29:56,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 13:29:56,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 13:29:56,207 INFO L87 Difference]: Start difference. First operand 3840 states and 4340 transitions. Second operand 7 states. [2020-10-28 13:30:00,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:30:00,462 INFO L93 Difference]: Finished difference Result 10412 states and 11877 transitions. [2020-10-28 13:30:00,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 13:30:00,467 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 709 [2020-10-28 13:30:00,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:30:00,501 INFO L225 Difference]: With dead ends: 10412 [2020-10-28 13:30:00,502 INFO L226 Difference]: Without dead ends: 6578 [2020-10-28 13:30:00,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-28 13:30:00,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6578 states. [2020-10-28 13:30:00,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6578 to 6227. [2020-10-28 13:30:00,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6227 states. [2020-10-28 13:30:00,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6227 states to 6227 states and 6905 transitions. [2020-10-28 13:30:00,698 INFO L78 Accepts]: Start accepts. Automaton has 6227 states and 6905 transitions. Word has length 709 [2020-10-28 13:30:00,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:30:00,699 INFO L481 AbstractCegarLoop]: Abstraction has 6227 states and 6905 transitions. [2020-10-28 13:30:00,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 13:30:00,699 INFO L276 IsEmpty]: Start isEmpty. Operand 6227 states and 6905 transitions. [2020-10-28 13:30:00,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2020-10-28 13:30:00,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:30:00,761 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 13:30:00,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 13:30:00,761 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:30:00,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:30:00,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1177954724, now seen corresponding path program 1 times [2020-10-28 13:30:00,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:30:00,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577293607] [2020-10-28 13:30:00,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:30:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:01,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:01,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:02,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:02,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:06,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:06,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1090 [2020-10-28 13:30:06,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 13:30:06,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-28 13:30:06,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:06,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 13:30:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 625 [2020-10-28 13:30:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 303 [2020-10-28 13:30:06,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 13:30:06,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:30:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:06,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:06,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:06,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:30:06,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:06,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 13:30:06,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:06,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:06,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:06,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 13:30:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:06,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:06,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:06,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 13:30:06,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:06,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 13:30:06,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:06,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:06,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:06,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:06,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:06,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:06,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-28 13:30:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:06,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:06,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:06,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-28 13:30:06,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:06,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-28 13:30:06,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:06,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:06,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:06,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:06,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:06,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-28 13:30:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:06,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:06,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:06,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 13:30:06,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:06,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-28 13:30:06,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:06,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:30:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 13:30:06,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:07,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2020-10-28 13:30:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:07,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:07,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:07,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 13:30:07,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:07,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 580 [2020-10-28 13:30:07,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:07,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 13:30:07,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:30:07,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 304 [2020-10-28 13:30:07,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:07,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-28 13:30:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:07,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:07,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:07,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 13:30:07,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:07,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 13:30:07,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:07,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 13:30:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:30:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 13:30:07,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:07,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2020-10-28 13:30:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:07,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:07,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:07,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 13:30:07,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:07,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 13:30:07,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:07,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:07,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:07,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-28 13:30:07,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:07,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:08,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 784 proven. 115 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2020-10-28 13:30:08,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577293607] [2020-10-28 13:30:08,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 13:30:08,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 13:30:08,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398838056] [2020-10-28 13:30:08,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 13:30:08,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:30:08,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 13:30:08,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 13:30:08,756 INFO L87 Difference]: Start difference. First operand 6227 states and 6905 transitions. Second operand 8 states. [2020-10-28 13:30:13,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:30:13,059 INFO L93 Difference]: Finished difference Result 14163 states and 15844 transitions. [2020-10-28 13:30:13,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 13:30:13,070 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1068 [2020-10-28 13:30:13,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:30:13,110 INFO L225 Difference]: With dead ends: 14163 [2020-10-28 13:30:13,111 INFO L226 Difference]: Without dead ends: 8279 [2020-10-28 13:30:13,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-28 13:30:13,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8279 states. [2020-10-28 13:30:13,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8279 to 8265. [2020-10-28 13:30:13,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8265 states. [2020-10-28 13:30:13,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8265 states to 8265 states and 9052 transitions. [2020-10-28 13:30:13,329 INFO L78 Accepts]: Start accepts. Automaton has 8265 states and 9052 transitions. Word has length 1068 [2020-10-28 13:30:13,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:30:13,331 INFO L481 AbstractCegarLoop]: Abstraction has 8265 states and 9052 transitions. [2020-10-28 13:30:13,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 13:30:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand 8265 states and 9052 transitions. [2020-10-28 13:30:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1166 [2020-10-28 13:30:13,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:30:13,357 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 13:30:13,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 13:30:13,358 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:30:13,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:30:13,359 INFO L82 PathProgramCache]: Analyzing trace with hash -307186142, now seen corresponding path program 1 times [2020-10-28 13:30:13,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:30:13,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108441069] [2020-10-28 13:30:13,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:30:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:13,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:13,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:13,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:16,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:17,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:18,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:18,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1189 [2020-10-28 13:30:18,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 13:30:18,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5068 [2020-10-28 13:30:18,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:18,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 13:30:18,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 724 [2020-10-28 13:30:18,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 303 [2020-10-28 13:30:18,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:18,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:30:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:18,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:18,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:18,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:30:18,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:18,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 13:30:18,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:18,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:18,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:18,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:18,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:18,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:18,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 13:30:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:18,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:18,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:18,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-28 13:30:18,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:18,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 13:30:18,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:18,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:18,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:18,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:18,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:18,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-28 13:30:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:18,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:19,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:19,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-28 13:30:19,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:19,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 13:30:19,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:19,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:19,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:19,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-10-28 13:30:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:19,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:19,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:19,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-28 13:30:19,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:19,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 13:30:19,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:19,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:19,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:19,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:19,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:19,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:19,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2020-10-28 13:30:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:19,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:19,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:19,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-28 13:30:19,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:19,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-28 13:30:19,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:19,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:30:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-28 13:30:19,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:19,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2020-10-28 13:30:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:19,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:20,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:20,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 13:30:20,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:20,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 469 [2020-10-28 13:30:20,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:20,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:20,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 13:30:20,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:30:20,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 304 [2020-10-28 13:30:20,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:20,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-28 13:30:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:20,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:20,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:20,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 13:30:20,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:20,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 13:30:20,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:20,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:20,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 13:30:20,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:30:20,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 13:30:20,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:20,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1017 [2020-10-28 13:30:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:20,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:20,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:20,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 13:30:20,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:20,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 13:30:20,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:20,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:20,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:20,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-28 13:30:20,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:20,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:21,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 919 proven. 115 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2020-10-28 13:30:21,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108441069] [2020-10-28 13:30:21,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 13:30:21,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 13:30:21,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904794363] [2020-10-28 13:30:21,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 13:30:21,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:30:21,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 13:30:21,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 13:30:21,122 INFO L87 Difference]: Start difference. First operand 8265 states and 9052 transitions. Second operand 7 states. [2020-10-28 13:30:27,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:30:27,433 INFO L93 Difference]: Finished difference Result 18228 states and 20138 transitions. [2020-10-28 13:30:27,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 13:30:27,438 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1165 [2020-10-28 13:30:27,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:30:27,491 INFO L225 Difference]: With dead ends: 18228 [2020-10-28 13:30:27,491 INFO L226 Difference]: Without dead ends: 10306 [2020-10-28 13:30:27,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 13:30:27,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10306 states. [2020-10-28 13:30:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10306 to 9614. [2020-10-28 13:30:27,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9614 states. [2020-10-28 13:30:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9614 states to 9614 states and 10476 transitions. [2020-10-28 13:30:27,762 INFO L78 Accepts]: Start accepts. Automaton has 9614 states and 10476 transitions. Word has length 1165 [2020-10-28 13:30:27,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:30:27,764 INFO L481 AbstractCegarLoop]: Abstraction has 9614 states and 10476 transitions. [2020-10-28 13:30:27,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 13:30:27,764 INFO L276 IsEmpty]: Start isEmpty. Operand 9614 states and 10476 transitions. [2020-10-28 13:30:27,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1412 [2020-10-28 13:30:27,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:30:27,805 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 13:30:27,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 13:30:27,806 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:30:27,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:30:27,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1732433558, now seen corresponding path program 1 times [2020-10-28 13:30:27,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:30:27,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672100795] [2020-10-28 13:30:27,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:30:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:28,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:28,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:28,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:29,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:33,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:33,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1435 [2020-10-28 13:30:33,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 13:30:33,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5082 [2020-10-28 13:30:33,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:33,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:33,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:30:33,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 705 [2020-10-28 13:30:33,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 276 [2020-10-28 13:30:33,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:33,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:30:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:33,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:33,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:33,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:30:33,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:33,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 13:30:33,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:33,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:33,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 13:30:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:33,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:33,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:33,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 13:30:33,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:33,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 13:30:33,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:33,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:33,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:33,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:33,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:33,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:33,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-28 13:30:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:33,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:33,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:33,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-28 13:30:33,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:33,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 13:30:33,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:33,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:33,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:33,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:33,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:33,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:33,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-28 13:30:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:33,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:33,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:33,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-28 13:30:33,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-28 13:30:33,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:33,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:30:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-28 13:30:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:33,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2020-10-28 13:30:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:34,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:34,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:34,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-28 13:30:34,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:34,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-28 13:30:34,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:34,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:34,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:30:34,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:30:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-10-28 13:30:34,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:34,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 972 [2020-10-28 13:30:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:34,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:34,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:34,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 13:30:34,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 13:30:34,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:34,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-28 13:30:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:34,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:34,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1084 [2020-10-28 13:30:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:34,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:34,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:34,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-28 13:30:34,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:34,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-28 13:30:34,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:34,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 295 [2020-10-28 13:30:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:34,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:35,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-28 13:30:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:35,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:35,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:35,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 13:30:35,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:35,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 13:30:35,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:35,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:35,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:35,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:35,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:35,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3044 backedges. 908 proven. 381 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2020-10-28 13:30:37,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672100795] [2020-10-28 13:30:37,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 13:30:37,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 13:30:37,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107491435] [2020-10-28 13:30:37,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 13:30:37,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:30:37,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 13:30:37,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 13:30:37,199 INFO L87 Difference]: Start difference. First operand 9614 states and 10476 transitions. Second operand 7 states. [2020-10-28 13:30:42,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:30:42,100 INFO L93 Difference]: Finished difference Result 20277 states and 22125 transitions. [2020-10-28 13:30:42,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 13:30:42,107 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1411 [2020-10-28 13:30:42,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:30:42,143 INFO L225 Difference]: With dead ends: 20277 [2020-10-28 13:30:42,143 INFO L226 Difference]: Without dead ends: 11006 [2020-10-28 13:30:42,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 13:30:42,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11006 states. [2020-10-28 13:30:42,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11006 to 10976. [2020-10-28 13:30:42,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10976 states. [2020-10-28 13:30:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10976 states to 10976 states and 11884 transitions. [2020-10-28 13:30:42,408 INFO L78 Accepts]: Start accepts. Automaton has 10976 states and 11884 transitions. Word has length 1411 [2020-10-28 13:30:42,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:30:42,410 INFO L481 AbstractCegarLoop]: Abstraction has 10976 states and 11884 transitions. [2020-10-28 13:30:42,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 13:30:42,410 INFO L276 IsEmpty]: Start isEmpty. Operand 10976 states and 11884 transitions. [2020-10-28 13:30:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1493 [2020-10-28 13:30:42,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:30:42,458 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 13:30:42,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 13:30:42,459 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:30:42,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:30:42,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1311866948, now seen corresponding path program 1 times [2020-10-28 13:30:42,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:30:42,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1319200284] [2020-10-28 13:30:42,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:30:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:42,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:43,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:43,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:44,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:48,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:48,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1516 [2020-10-28 13:30:48,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 13:30:48,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5202 [2020-10-28 13:30:48,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:48,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:30:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 786 [2020-10-28 13:30:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 276 [2020-10-28 13:30:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:48,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:30:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:48,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:48,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:48,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:30:48,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:48,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 13:30:48,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:48,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:48,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:48,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:48,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:48,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:48,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 13:30:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:48,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:48,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:48,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 13:30:48,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:48,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 13:30:48,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:48,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:48,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:48,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-28 13:30:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:48,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:48,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:48,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-28 13:30:48,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:48,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-28 13:30:48,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:48,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:48,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:48,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-28 13:30:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:48,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:48,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:48,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-28 13:30:48,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:48,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-28 13:30:48,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:48,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:30:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:48,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 271 [2020-10-28 13:30:48,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:49,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 780 [2020-10-28 13:30:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:49,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:49,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:49,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-28 13:30:49,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:49,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-28 13:30:49,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:49,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:49,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:30:49,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:30:49,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-10-28 13:30:49,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:49,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1053 [2020-10-28 13:30:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:49,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:49,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:49,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 13:30:49,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:49,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 13:30:49,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:49,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:49,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:49,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-28 13:30:49,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:49,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:49,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1165 [2020-10-28 13:30:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:49,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:50,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:50,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-28 13:30:50,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:50,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-28 13:30:50,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:50,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 295 [2020-10-28 13:30:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:50,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:50,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-28 13:30:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:30:50,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:30:50,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:30:50,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 13:30:50,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:30:50,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 13:30:50,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:30:50,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:30:50,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:30:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:30:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:30:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:30:51,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3309 backedges. 986 proven. 381 refuted. 0 times theorem prover too weak. 1942 trivial. 0 not checked. [2020-10-28 13:30:51,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1319200284] [2020-10-28 13:30:51,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 13:30:51,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 13:30:51,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918058984] [2020-10-28 13:30:51,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 13:30:51,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:30:51,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 13:30:51,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 13:30:51,716 INFO L87 Difference]: Start difference. First operand 10976 states and 11884 transitions. Second operand 8 states. [2020-10-28 13:30:59,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:30:59,298 INFO L93 Difference]: Finished difference Result 23984 states and 26057 transitions. [2020-10-28 13:30:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 13:30:59,299 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1492 [2020-10-28 13:30:59,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:30:59,361 INFO L225 Difference]: With dead ends: 23984 [2020-10-28 13:30:59,361 INFO L226 Difference]: Without dead ends: 13351 [2020-10-28 13:30:59,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-28 13:30:59,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13351 states. [2020-10-28 13:30:59,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13351 to 13343. [2020-10-28 13:30:59,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13343 states. [2020-10-28 13:30:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13343 states to 13343 states and 14360 transitions. [2020-10-28 13:30:59,693 INFO L78 Accepts]: Start accepts. Automaton has 13343 states and 14360 transitions. Word has length 1492 [2020-10-28 13:30:59,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:30:59,695 INFO L481 AbstractCegarLoop]: Abstraction has 13343 states and 14360 transitions. [2020-10-28 13:30:59,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 13:30:59,696 INFO L276 IsEmpty]: Start isEmpty. Operand 13343 states and 14360 transitions. [2020-10-28 13:30:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1548 [2020-10-28 13:30:59,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:30:59,748 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 13:30:59,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 13:30:59,749 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:30:59,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:30:59,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1510137422, now seen corresponding path program 1 times [2020-10-28 13:30:59,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:30:59,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886818882] [2020-10-28 13:30:59,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:31:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:00,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:00,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:01,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:01,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:01,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:02,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:05,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:05,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1573 [2020-10-28 13:31:05,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 13:31:05,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-28 13:31:05,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:05,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:05,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:31:05,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 843 [2020-10-28 13:31:05,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 276 [2020-10-28 13:31:05,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:05,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:31:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:05,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:05,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:05,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:31:05,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:05,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 13:31:05,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:05,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:05,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:05,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:05,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:05,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:05,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 13:31:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:05,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:05,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:05,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 13:31:05,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:05,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-28 13:31:05,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:05,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:05,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:05,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:05,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:05,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:05,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-28 13:31:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:05,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:05,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:05,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-28 13:31:05,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:05,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 13:31:05,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:05,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:05,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:05,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-28 13:31:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:05,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:05,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:05,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 13:31:05,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:05,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 13:31:05,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:05,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:05,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:05,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:05,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-10-28 13:31:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:05,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:05,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:05,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-28 13:31:05,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:05,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-28 13:31:05,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:05,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:31:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 257 [2020-10-28 13:31:05,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:05,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2020-10-28 13:31:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:06,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:06,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:06,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-28 13:31:06,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:06,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-28 13:31:06,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:06,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:31:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:31:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-10-28 13:31:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:06,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1108 [2020-10-28 13:31:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:06,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:06,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:06,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 13:31:06,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:06,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 13:31:06,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:06,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-28 13:31:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:06,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:06,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1220 [2020-10-28 13:31:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:06,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:06,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:06,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-28 13:31:06,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:06,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-28 13:31:06,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:06,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:06,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:06,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 295 [2020-10-28 13:31:06,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:06,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:06,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-28 13:31:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:06,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:06,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:06,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 13:31:06,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:06,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 13:31:06,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:06,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:06,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3730 backedges. 1086 proven. 381 refuted. 0 times theorem prover too weak. 2263 trivial. 0 not checked. [2020-10-28 13:31:08,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886818882] [2020-10-28 13:31:08,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 13:31:08,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 13:31:08,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186020711] [2020-10-28 13:31:08,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 13:31:08,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:31:08,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 13:31:08,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 13:31:08,332 INFO L87 Difference]: Start difference. First operand 13343 states and 14360 transitions. Second operand 7 states. [2020-10-28 13:31:13,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:31:13,697 INFO L93 Difference]: Finished difference Result 29747 states and 32305 transitions. [2020-10-28 13:31:13,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 13:31:13,699 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1547 [2020-10-28 13:31:13,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:31:13,754 INFO L225 Difference]: With dead ends: 29747 [2020-10-28 13:31:13,754 INFO L226 Difference]: Without dead ends: 16747 [2020-10-28 13:31:13,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 13:31:13,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16747 states. [2020-10-28 13:31:14,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16747 to 16400. [2020-10-28 13:31:14,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16400 states. [2020-10-28 13:31:14,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16400 states to 16400 states and 17820 transitions. [2020-10-28 13:31:14,092 INFO L78 Accepts]: Start accepts. Automaton has 16400 states and 17820 transitions. Word has length 1547 [2020-10-28 13:31:14,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:31:14,095 INFO L481 AbstractCegarLoop]: Abstraction has 16400 states and 17820 transitions. [2020-10-28 13:31:14,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 13:31:14,095 INFO L276 IsEmpty]: Start isEmpty. Operand 16400 states and 17820 transitions. [2020-10-28 13:31:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1567 [2020-10-28 13:31:14,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:31:14,149 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 13:31:14,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 13:31:14,149 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:31:14,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:31:14,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1448272756, now seen corresponding path program 1 times [2020-10-28 13:31:14,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:31:14,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938324843] [2020-10-28 13:31:14,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:31:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:14,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:14,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:15,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:15,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:15,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:19,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:19,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1594 [2020-10-28 13:31:19,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 13:31:19,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5083 [2020-10-28 13:31:19,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:19,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:31:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 696 [2020-10-28 13:31:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 253 [2020-10-28 13:31:19,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:19,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:31:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:19,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:19,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:19,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:31:19,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:19,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 13:31:19,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:19,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:19,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:19,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:19,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:19,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:19,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 13:31:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:19,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:19,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:19,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 13:31:19,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:19,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 13:31:19,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:19,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:19,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:19,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:19,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-28 13:31:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:19,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:20,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:20,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-28 13:31:20,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:20,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 13:31:20,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:20,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:20,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:20,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-28 13:31:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:20,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:20,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:20,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 13:31:20,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:20,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 13:31:20,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:20,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:20,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:20,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:20,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:20,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:20,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-10-28 13:31:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:20,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:20,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:20,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 13:31:20,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:20,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 13:31:20,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:20,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:31:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 13:31:20,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:20,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2020-10-28 13:31:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:20,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:20,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:20,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-28 13:31:20,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:20,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-28 13:31:20,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:20,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:20,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:31:20,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:31:20,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-28 13:31:20,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:20,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2020-10-28 13:31:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:20,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:21,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:21,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 13:31:21,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:21,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-28 13:31:21,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:21,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 301 [2020-10-28 13:31:21,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:21,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:21,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-28 13:31:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:21,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:21,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:21,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 13:31:21,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:21,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 13:31:21,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:21,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:21,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:21,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:21,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:21,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2020-10-28 13:31:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:21,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:21,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:21,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-28 13:31:21,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 13:31:21,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:21,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 295 [2020-10-28 13:31:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:21,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-28 13:31:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:21,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:21,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:21,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 13:31:21,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:21,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 13:31:21,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:21,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:21,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:21,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3743 backedges. 939 proven. 496 refuted. 0 times theorem prover too weak. 2308 trivial. 0 not checked. [2020-10-28 13:31:23,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938324843] [2020-10-28 13:31:23,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 13:31:23,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 13:31:23,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450437451] [2020-10-28 13:31:23,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 13:31:23,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:31:23,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 13:31:23,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 13:31:23,696 INFO L87 Difference]: Start difference. First operand 16400 states and 17820 transitions. Second operand 7 states. [2020-10-28 13:31:29,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:31:29,324 INFO L93 Difference]: Finished difference Result 35513 states and 38765 transitions. [2020-10-28 13:31:29,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 13:31:29,326 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1566 [2020-10-28 13:31:29,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:31:29,516 INFO L225 Difference]: With dead ends: 35513 [2020-10-28 13:31:29,516 INFO L226 Difference]: Without dead ends: 19456 [2020-10-28 13:31:29,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-28 13:31:29,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19456 states. [2020-10-28 13:31:29,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19456 to 19113. [2020-10-28 13:31:29,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19113 states. [2020-10-28 13:31:29,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19113 states to 19113 states and 20705 transitions. [2020-10-28 13:31:29,928 INFO L78 Accepts]: Start accepts. Automaton has 19113 states and 20705 transitions. Word has length 1566 [2020-10-28 13:31:29,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:31:29,929 INFO L481 AbstractCegarLoop]: Abstraction has 19113 states and 20705 transitions. [2020-10-28 13:31:29,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 13:31:29,930 INFO L276 IsEmpty]: Start isEmpty. Operand 19113 states and 20705 transitions. [2020-10-28 13:31:30,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1764 [2020-10-28 13:31:30,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:31:30,025 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 13:31:30,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 13:31:30,025 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:31:30,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:31:30,026 INFO L82 PathProgramCache]: Analyzing trace with hash 143377658, now seen corresponding path program 1 times [2020-10-28 13:31:30,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:31:30,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759585560] [2020-10-28 13:31:30,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:31:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:30,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:31,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:31,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:32,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:35,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:35,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1791 [2020-10-28 13:31:35,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 13:31:35,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5087 [2020-10-28 13:31:35,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:35,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:35,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:31:35,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1061 [2020-10-28 13:31:35,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 276 [2020-10-28 13:31:35,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:35,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:31:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:35,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:35,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:35,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:31:35,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:35,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 13:31:35,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:35,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:35,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:35,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 13:31:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:35,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:35,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:35,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 13:31:35,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:35,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-28 13:31:35,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:35,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:35,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:35,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:35,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:35,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:35,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-28 13:31:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:36,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:36,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:36,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-28 13:31:36,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:36,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 13:31:36,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:36,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:36,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:36,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:36,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:36,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:36,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-28 13:31:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:36,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:36,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:36,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-28 13:31:36,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:36,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-28 13:31:36,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:36,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:36,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:36,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:36,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:36,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:36,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 780 [2020-10-28 13:31:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:36,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:36,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:36,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-28 13:31:36,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:36,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 13:31:36,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:36,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:36,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:36,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:36,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:36,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:36,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2020-10-28 13:31:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:36,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:36,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:36,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-28 13:31:36,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:36,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-28 13:31:36,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:36,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:31:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-28 13:31:36,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:36,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1051 [2020-10-28 13:31:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:36,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:36,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:36,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-28 13:31:36,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:36,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-28 13:31:36,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:36,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 13:31:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:31:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-10-28 13:31:36,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:37,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1324 [2020-10-28 13:31:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:37,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:37,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:37,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 13:31:37,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:37,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 13:31:37,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:37,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:37,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:37,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-28 13:31:37,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:37,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:37,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1436 [2020-10-28 13:31:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:37,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:37,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:37,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-28 13:31:37,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:37,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-28 13:31:37,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:37,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 295 [2020-10-28 13:31:37,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:37,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:37,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-28 13:31:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:37,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:37,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:37,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 13:31:37,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:37,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 13:31:37,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:37,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:37,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:37,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:37,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:37,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:39,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5006 backedges. 1341 proven. 381 refuted. 0 times theorem prover too weak. 3284 trivial. 0 not checked. [2020-10-28 13:31:39,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759585560] [2020-10-28 13:31:39,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 13:31:39,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 13:31:39,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697054276] [2020-10-28 13:31:39,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 13:31:39,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:31:39,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 13:31:39,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 13:31:39,390 INFO L87 Difference]: Start difference. First operand 19113 states and 20705 transitions. Second operand 7 states. [2020-10-28 13:31:45,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:31:45,003 INFO L93 Difference]: Finished difference Result 40937 states and 44529 transitions. [2020-10-28 13:31:45,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 13:31:45,004 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1763 [2020-10-28 13:31:45,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:31:45,068 INFO L225 Difference]: With dead ends: 40937 [2020-10-28 13:31:45,068 INFO L226 Difference]: Without dead ends: 22167 [2020-10-28 13:31:45,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 13:31:45,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22167 states. [2020-10-28 13:31:45,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22167 to 22156. [2020-10-28 13:31:45,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22156 states. [2020-10-28 13:31:45,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22156 states to 22156 states and 24077 transitions. [2020-10-28 13:31:45,572 INFO L78 Accepts]: Start accepts. Automaton has 22156 states and 24077 transitions. Word has length 1763 [2020-10-28 13:31:45,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:31:45,574 INFO L481 AbstractCegarLoop]: Abstraction has 22156 states and 24077 transitions. [2020-10-28 13:31:45,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 13:31:45,574 INFO L276 IsEmpty]: Start isEmpty. Operand 22156 states and 24077 transitions. [2020-10-28 13:31:45,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1790 [2020-10-28 13:31:45,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 13:31:45,634 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 13:31:45,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 13:31:45,635 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 13:31:45,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 13:31:45,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1092219710, now seen corresponding path program 1 times [2020-10-28 13:31:45,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 13:31:45,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [961076723] [2020-10-28 13:31:45,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 13:31:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:46,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:46,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:46,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:47,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:48,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:51,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:51,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1821 [2020-10-28 13:31:51,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 13:31:51,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5089 [2020-10-28 13:31:51,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:51,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 13:31:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1024 [2020-10-28 13:31:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-28 13:31:51,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:51,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 13:31:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:51,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:51,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:51,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 13:31:51,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:51,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 13:31:51,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:51,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:51,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:51,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 13:31:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:51,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:51,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:51,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 13:31:51,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:51,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 13:31:51,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:51,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:51,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:51,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:51,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:51,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:51,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-28 13:31:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:51,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:51,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:51,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-28 13:31:51,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:51,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 13:31:51,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:51,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:51,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:51,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:51,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:51,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:51,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-28 13:31:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:51,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:51,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:51,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 13:31:51,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:51,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 13:31:51,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:51,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:51,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:51,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:51,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:51,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:51,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-10-28 13:31:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:51,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:51,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:51,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 13:31:51,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:51,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 13:31:51,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:51,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:51,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:51,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:51,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:51,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:51,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2020-10-28 13:31:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:51,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:52,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:52,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 330 [2020-10-28 13:31:52,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:52,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-28 13:31:52,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:52,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:31:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 321 [2020-10-28 13:31:52,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:52,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-28 13:31:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:52,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:52,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:52,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 13:31:52,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:52,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 13:31:52,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:52,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:52,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 13:31:52,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 13:31:52,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 13:31:52,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:52,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2020-10-28 13:31:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:52,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:52,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:52,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-28 13:31:52,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:52,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 419 [2020-10-28 13:31:52,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:52,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 13:31:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:31:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 304 [2020-10-28 13:31:52,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:52,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-28 13:31:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:52,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:52,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:52,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 13:31:52,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:52,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 13:31:52,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:52,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 13:31:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 13:31:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 13:31:52,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:53,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1316 [2020-10-28 13:31:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:53,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:53,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:53,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-28 13:31:53,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:53,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 13:31:53,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:53,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-28 13:31:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:53,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:53,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1387 [2020-10-28 13:31:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:53,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:53,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:53,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-28 13:31:53,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:53,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-28 13:31:53,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:53,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:53,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:53,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 252 [2020-10-28 13:31:53,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:53,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:53,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1641 [2020-10-28 13:31:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 13:31:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 13:31:53,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 13:31:53,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 13:31:53,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 13:31:53,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 13:31:53,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 13:31:53,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 13:31:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 13:31:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-28 13:31:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 13:31:53,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 13:31:55,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 1330 proven. 437 refuted. 0 times theorem prover too weak. 3384 trivial. 0 not checked. [2020-10-28 13:31:55,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [961076723] [2020-10-28 13:31:55,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 13:31:55,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 13:31:55,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698007417] [2020-10-28 13:31:55,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 13:31:55,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 13:31:55,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 13:31:55,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 13:31:55,100 INFO L87 Difference]: Start difference. First operand 22156 states and 24077 transitions. Second operand 8 states. [2020-10-28 13:32:00,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 13:32:00,276 INFO L93 Difference]: Finished difference Result 47027 states and 51357 transitions. [2020-10-28 13:32:00,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 13:32:00,277 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1789 [2020-10-28 13:32:00,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 13:32:00,278 INFO L225 Difference]: With dead ends: 47027 [2020-10-28 13:32:00,278 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 13:32:00,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-28 13:32:00,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 13:32:00,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 13:32:00,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 13:32:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 13:32:00,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1789 [2020-10-28 13:32:00,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 13:32:00,333 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 13:32:00,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 13:32:00,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 13:32:00,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 13:32:00,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 13:32:00,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 13:32:02,534 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 156 [2020-10-28 13:32:03,466 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 156 [2020-10-28 13:32:03,897 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 32 [2020-10-28 13:32:05,525 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 322 DAG size of output: 52 [2020-10-28 13:32:07,054 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 322 DAG size of output: 52 [2020-10-28 13:32:07,591 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 50 [2020-10-28 13:32:09,020 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 322 DAG size of output: 52 [2020-10-28 13:32:09,594 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 50 [2020-10-28 13:32:10,326 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 37 [2020-10-28 13:32:10,331 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 5) no Hoare annotation was computed. [2020-10-28 13:32:10,331 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 5) the Hoare annotation is: true [2020-10-28 13:32:10,332 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 5) no Hoare annotation was computed. [2020-10-28 13:32:10,332 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-10-28 13:32:10,332 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 13:32:10,332 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a18~0 |old(~a18~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-28 13:32:10,333 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 13:32:10,333 INFO L274 CegarLoopResult]: For program point L1505(lines 1505 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,333 INFO L274 CegarLoopResult]: For program point L1695(lines 1695 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,333 INFO L274 CegarLoopResult]: For program point calculate_output2EXIT(lines 1496 1767) no Hoare annotation was computed. [2020-10-28 13:32:10,333 INFO L274 CegarLoopResult]: For program point L1555(lines 1555 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,333 INFO L274 CegarLoopResult]: For program point L1671(lines 1671 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,333 INFO L274 CegarLoopResult]: For program point L1605(lines 1605 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,334 INFO L274 CegarLoopResult]: For program point L1729(lines 1729 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,334 INFO L274 CegarLoopResult]: For program point L1630(lines 1630 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,334 INFO L274 CegarLoopResult]: For program point L1754(lines 1754 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,334 INFO L274 CegarLoopResult]: For program point L1523(lines 1523 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,334 INFO L274 CegarLoopResult]: For program point L1647(lines 1647 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,334 INFO L274 CegarLoopResult]: For program point L1581(lines 1581 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,334 INFO L274 CegarLoopResult]: For program point L1548(lines 1548 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,334 INFO L274 CegarLoopResult]: For program point L1499(lines 1499 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,335 INFO L274 CegarLoopResult]: For program point L1689(lines 1689 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,335 INFO L274 CegarLoopResult]: For program point L1706(lines 1706 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,335 INFO L274 CegarLoopResult]: For program point L1640(lines 1640 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,335 INFO L274 CegarLoopResult]: For program point L1665(lines 1665 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,335 INFO L274 CegarLoopResult]: For program point L1599(lines 1599 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,335 INFO L274 CegarLoopResult]: For program point L1723(lines 1723 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,336 INFO L274 CegarLoopResult]: For program point L1624(lines 1624 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,336 INFO L274 CegarLoopResult]: For program point L1748(lines 1748 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,337 INFO L274 CegarLoopResult]: For program point L1517(lines 1517 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,337 INFO L274 CegarLoopResult]: For program point L1575(lines 1575 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,337 INFO L274 CegarLoopResult]: For program point L1542(lines 1542 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,337 INFO L274 CegarLoopResult]: For program point L1658(lines 1658 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,337 INFO L274 CegarLoopResult]: For program point L1741(lines 1741 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,337 INFO L274 CegarLoopResult]: For program point L1568(lines 1568 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,337 INFO L270 CegarLoopResult]: At program point calculate_output2ENTRY(lines 1496 1767) the Hoare annotation is: (let ((.cse1 (= ~a18~0 |old(~a18~0)|)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (not (<= |old(~a15~0)| 3))) (.cse4 (and .cse1 .cse2 (= ~a12~0 |old(~a12~0)|) .cse3))) (and (or .cse0 (not (= 8 |old(~a12~0)|)) (and .cse1 (= ~a12~0 8) .cse2 .cse3)) (or .cse4 (not (<= |old(~a12~0)| 6))) (or .cse4 .cse0 (= |old(~a12~0)| |old(~a16~0)|) (not (<= (+ |old(~a18~0)| 92615) 0))) (or .cse0 .cse4 (not (<= |old(~a12~0)| 7)) (not (<= 0 (+ |old(~a18~0)| 147))) (not (<= (+ |old(~a18~0)| 80) 0))) (or (= 10 |old(~a16~0)|) .cse4)))) [2020-10-28 13:32:10,338 INFO L274 CegarLoopResult]: For program point L1593(lines 1593 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,338 INFO L274 CegarLoopResult]: For program point L1717(lines 1717 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,338 INFO L274 CegarLoopResult]: For program point L1684(lines 1684 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,338 INFO L274 CegarLoopResult]: For program point L1618(lines 1618 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,338 INFO L274 CegarLoopResult]: For program point L1701(lines 1701 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,338 INFO L274 CegarLoopResult]: For program point L1635(lines 1635 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,338 INFO L274 CegarLoopResult]: For program point L1536(lines 1536 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,338 INFO L274 CegarLoopResult]: For program point L1759(lines 1759 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,338 INFO L274 CegarLoopResult]: For program point L1561(lines 1561 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,339 INFO L274 CegarLoopResult]: For program point L1677(lines 1677 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,339 INFO L274 CegarLoopResult]: For program point calculate_output2FINAL(lines 1496 1767) no Hoare annotation was computed. [2020-10-28 13:32:10,339 INFO L274 CegarLoopResult]: For program point L1611(lines 1611 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,339 INFO L274 CegarLoopResult]: For program point L1512(lines 1512 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,339 INFO L274 CegarLoopResult]: For program point L1735(lines 1735 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,339 INFO L274 CegarLoopResult]: For program point L1529(lines 1529 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,339 INFO L274 CegarLoopResult]: For program point L1653(lines 1653 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,339 INFO L274 CegarLoopResult]: For program point L1587(lines 1587 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,339 INFO L274 CegarLoopResult]: For program point L1711(lines 1711 1765) no Hoare annotation was computed. [2020-10-28 13:32:10,339 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 13:32:10,340 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 13:32:10,340 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 13:32:10,340 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,340 INFO L274 CegarLoopResult]: For program point L1424(lines 1424 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,340 INFO L274 CegarLoopResult]: For program point L1094(lines 1094 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,340 INFO L274 CegarLoopResult]: For program point L896(lines 896 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,340 INFO L274 CegarLoopResult]: For program point L830(lines 830 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,340 INFO L274 CegarLoopResult]: For program point L698(lines 698 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,340 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,340 INFO L274 CegarLoopResult]: For program point L170-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,340 INFO L274 CegarLoopResult]: For program point L104-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,341 INFO L274 CegarLoopResult]: For program point L38-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,341 INFO L274 CegarLoopResult]: For program point L963(lines 963 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,341 INFO L274 CegarLoopResult]: For program point L765(lines 765 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,341 INFO L274 CegarLoopResult]: For program point L633(lines 633 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,341 INFO L274 CegarLoopResult]: For program point L369(lines 369 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,341 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,341 INFO L274 CegarLoopResult]: For program point L237(lines 237 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,341 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 13:32:10,341 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,341 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 13:32:10,342 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 13:32:10,342 INFO L270 CegarLoopResult]: At program point L1493(line 1493) the Hoare annotation is: (let ((.cse1 (= ~a18~0 |old(~a18~0)|)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (not (<= |old(~a15~0)| 3))) (.cse4 (and .cse1 .cse2 (= ~a12~0 |old(~a12~0)|) .cse3))) (and (or .cse0 (not (= 8 |old(~a12~0)|)) (and .cse1 (= ~a12~0 8) .cse2 .cse3)) (or .cse4 (not (<= |old(~a12~0)| 6))) (or .cse4 .cse0 (= |old(~a12~0)| |old(~a16~0)|) (not (<= (+ |old(~a18~0)| 92615) 0))) (or .cse0 .cse4 (not (<= |old(~a12~0)| 7)) (not (<= 0 (+ |old(~a18~0)| 147))) (not (<= (+ |old(~a18~0)| 80) 0))) (or (= 10 |old(~a16~0)|) .cse4)))) [2020-10-28 13:32:10,342 INFO L274 CegarLoopResult]: For program point L436(lines 436 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,342 INFO L274 CegarLoopResult]: For program point L1493-1(line 1493) no Hoare annotation was computed. [2020-10-28 13:32:10,342 INFO L274 CegarLoopResult]: For program point L1229(lines 1229 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,342 INFO L274 CegarLoopResult]: For program point L569(lines 569 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,342 INFO L274 CegarLoopResult]: For program point L503(lines 503 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,342 INFO L274 CegarLoopResult]: For program point L305(lines 305 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,342 INFO L274 CegarLoopResult]: For program point L173-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,343 INFO L274 CegarLoopResult]: For program point L107-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,343 INFO L274 CegarLoopResult]: For program point L41-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,343 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 13:32:10,343 INFO L270 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a15~0)| 3)))) (and (= 10 |old(~a16~0)|) (or .cse0 (= |old(~a12~0)| |old(~a16~0)|) (not (<= (+ |old(~a18~0)| 92615) 0))) (or .cse0 (not (= 8 |old(~a12~0)|))) (not (<= |old(~a12~0)| 6)) (or .cse0 (not (<= |old(~a12~0)| 7)) (not (<= 0 (+ |old(~a18~0)| 147))) (not (<= (+ |old(~a18~0)| 80) 0))))) [2020-10-28 13:32:10,343 INFO L274 CegarLoopResult]: For program point L108-1(line 108) no Hoare annotation was computed. [2020-10-28 13:32:10,343 INFO L274 CegarLoopResult]: For program point L1099(lines 1099 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,343 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 13:32:10,343 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,343 INFO L274 CegarLoopResult]: For program point L901(lines 901 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,344 INFO L274 CegarLoopResult]: For program point L1430(lines 1430 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,344 INFO L274 CegarLoopResult]: For program point L836(lines 836 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,344 INFO L274 CegarLoopResult]: For program point L638(lines 638 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,344 INFO L274 CegarLoopResult]: For program point L1299(lines 1299 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,344 INFO L274 CegarLoopResult]: For program point L242(lines 242 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,344 INFO L274 CegarLoopResult]: For program point L176-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,344 INFO L274 CegarLoopResult]: For program point L110-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,344 INFO L274 CegarLoopResult]: For program point L44-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,344 INFO L274 CegarLoopResult]: For program point L969(lines 969 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,344 INFO L274 CegarLoopResult]: For program point L771(lines 771 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,345 INFO L274 CegarLoopResult]: For program point L705(lines 705 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,345 INFO L274 CegarLoopResult]: For program point L375(lines 375 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,345 INFO L274 CegarLoopResult]: For program point L1366(lines 1366 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,345 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 13:32:10,345 INFO L274 CegarLoopResult]: For program point L1168(lines 1168 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,345 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 13:32:10,345 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 13:32:10,345 INFO L274 CegarLoopResult]: For program point L442(lines 442 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,345 INFO L274 CegarLoopResult]: For program point L575(lines 575 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,345 INFO L274 CegarLoopResult]: For program point L311(lines 311 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,345 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,346 INFO L274 CegarLoopResult]: For program point L179-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,346 INFO L274 CegarLoopResult]: For program point L113-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,346 INFO L274 CegarLoopResult]: For program point L47-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,346 INFO L274 CegarLoopResult]: For program point L1038(lines 1038 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,346 INFO L274 CegarLoopResult]: For program point L708(lines 708 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,346 INFO L274 CegarLoopResult]: For program point L510(lines 510 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,346 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 13:32:10,346 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 13:32:10,346 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,347 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 13:32:10,347 INFO L274 CegarLoopResult]: For program point L907(lines 907 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,347 INFO L274 CegarLoopResult]: For program point L643(lines 643 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,347 INFO L274 CegarLoopResult]: For program point L445(lines 445 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,347 INFO L274 CegarLoopResult]: For program point L1436(lines 1436 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,347 INFO L274 CegarLoopResult]: For program point L842(lines 842 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,347 INFO L274 CegarLoopResult]: For program point L1305(lines 1305 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,347 INFO L274 CegarLoopResult]: For program point L248(lines 248 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,347 INFO L274 CegarLoopResult]: For program point L182-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,347 INFO L274 CegarLoopResult]: For program point L116-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,347 INFO L274 CegarLoopResult]: For program point L50-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,348 INFO L274 CegarLoopResult]: For program point L777(lines 777 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,348 INFO L274 CegarLoopResult]: For program point L1372(lines 1372 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,348 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 13:32:10,348 INFO L274 CegarLoopResult]: For program point L1174(lines 1174 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,348 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 13:32:10,348 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 13:32:10,348 INFO L274 CegarLoopResult]: For program point L976(lines 976 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,348 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,348 INFO L274 CegarLoopResult]: For program point L580(lines 580 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,348 INFO L274 CegarLoopResult]: For program point L382(lines 382 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,348 INFO L274 CegarLoopResult]: For program point L317(lines 317 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,348 INFO L274 CegarLoopResult]: For program point L185-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L119-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L53-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L1044(lines 1044 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L780(lines 780 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L714(lines 714 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L1243(lines 1243 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L1177(lines 1177 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L1111(lines 1111 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L517(lines 517 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,349 INFO L274 CegarLoopResult]: For program point L451(lines 451 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,350 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,350 INFO L274 CegarLoopResult]: For program point L914(lines 914 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,350 INFO L274 CegarLoopResult]: For program point L848(lines 848 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,350 INFO L274 CegarLoopResult]: For program point L650(lines 650 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,350 INFO L274 CegarLoopResult]: For program point L1377(lines 1377 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,350 INFO L274 CegarLoopResult]: For program point L1311(lines 1311 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,350 INFO L274 CegarLoopResult]: For program point L254(lines 254 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,350 INFO L274 CegarLoopResult]: For program point L188-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,350 INFO L274 CegarLoopResult]: For program point L122-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,350 INFO L274 CegarLoopResult]: For program point L56-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,350 INFO L274 CegarLoopResult]: For program point L981(lines 981 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,351 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 13:32:10,351 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 13:32:10,351 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 13:32:10,351 INFO L274 CegarLoopResult]: For program point L586(lines 586 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,351 INFO L274 CegarLoopResult]: For program point L388(lines 388 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,351 INFO L274 CegarLoopResult]: For program point L719(lines 719 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,351 INFO L274 CegarLoopResult]: For program point L323(lines 323 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,351 INFO L274 CegarLoopResult]: For program point L191-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,351 INFO L274 CegarLoopResult]: For program point L125-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,351 INFO L274 CegarLoopResult]: For program point L1116(lines 1116 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,352 INFO L274 CegarLoopResult]: For program point L59-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,352 INFO L274 CegarLoopResult]: For program point L1050(lines 1050 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,352 INFO L274 CegarLoopResult]: For program point L786(lines 786 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,352 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 25 1494) the Hoare annotation is: (let ((.cse1 (= ~a18~0 |old(~a18~0)|)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (let ((.cse0 (not (<= |old(~a15~0)| 3))) (.cse4 (and .cse1 .cse2 (= ~a12~0 |old(~a12~0)|) .cse3))) (and (or .cse0 (not (= 8 |old(~a12~0)|)) (and .cse1 (= ~a12~0 8) .cse2 .cse3)) (or .cse4 (not (<= |old(~a12~0)| 6))) (or .cse4 .cse0 (= |old(~a12~0)| |old(~a16~0)|) (not (<= (+ |old(~a18~0)| 92615) 0))) (or .cse0 .cse4 (not (<= |old(~a12~0)| 7)) (not (<= 0 (+ |old(~a18~0)| 147))) (not (<= (+ |old(~a18~0)| 80) 0))) (or (= 10 |old(~a16~0)|) .cse4)))) [2020-10-28 13:32:10,352 INFO L274 CegarLoopResult]: For program point L456(lines 456 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,352 INFO L274 CegarLoopResult]: For program point L1249(lines 1249 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,352 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 13:32:10,353 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,353 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 13:32:10,353 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 13:32:10,353 INFO L274 CegarLoopResult]: For program point L919(lines 919 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,353 INFO L274 CegarLoopResult]: For program point L853(lines 853 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,353 INFO L274 CegarLoopResult]: For program point L523(lines 523 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,353 INFO L274 CegarLoopResult]: For program point L1448(lines 1448 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,353 INFO L274 CegarLoopResult]: For program point L1316(lines 1316 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,353 INFO L274 CegarLoopResult]: For program point L259(lines 259 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,353 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,354 INFO L274 CegarLoopResult]: For program point L194-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,354 INFO L274 CegarLoopResult]: For program point L128-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,354 INFO L274 CegarLoopResult]: For program point L62-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,354 INFO L274 CegarLoopResult]: For program point L657(lines 657 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,354 INFO L274 CegarLoopResult]: For program point L591(lines 591 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,354 INFO L274 CegarLoopResult]: For program point L459(lines 459 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,354 INFO L274 CegarLoopResult]: For program point L393(lines 393 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,354 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,354 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 13:32:10,354 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 13:32:10,354 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 13:32:10,354 INFO L274 CegarLoopResult]: For program point L988(lines 988 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,355 INFO L274 CegarLoopResult]: For program point L1451(lines 1451 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,355 INFO L274 CegarLoopResult]: For program point L791(lines 791 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,355 INFO L274 CegarLoopResult]: For program point L725(lines 725 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,355 INFO L274 CegarLoopResult]: For program point L329(lines 329 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,355 INFO L274 CegarLoopResult]: For program point L197-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,355 INFO L274 CegarLoopResult]: For program point L131-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,355 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,355 INFO L274 CegarLoopResult]: For program point L65-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,355 INFO L274 CegarLoopResult]: For program point L924(lines 924 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,355 INFO L274 CegarLoopResult]: For program point L264(lines 264 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,355 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 13:32:10,356 INFO L274 CegarLoopResult]: For program point L1189(lines 1189 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,356 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 13:32:10,356 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 13:32:10,356 INFO L274 CegarLoopResult]: For program point L1057(lines 1057 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,356 INFO L274 CegarLoopResult]: For program point L859(lines 859 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,356 INFO L274 CegarLoopResult]: For program point L529(lines 529 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,356 INFO L274 CegarLoopResult]: For program point L1388(lines 1388 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,356 INFO L274 CegarLoopResult]: For program point L596(lines 596 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,356 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,356 INFO L274 CegarLoopResult]: For program point L200-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,356 INFO L274 CegarLoopResult]: For program point L134-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,356 INFO L274 CegarLoopResult]: For program point L68-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,357 INFO L274 CegarLoopResult]: For program point L663(lines 663 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,357 INFO L274 CegarLoopResult]: For program point L465(lines 465 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,357 INFO L274 CegarLoopResult]: For program point L1258(lines 1258 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,357 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 13:32:10,357 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 13:32:10,357 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 13:32:10,357 INFO L274 CegarLoopResult]: For program point L730(lines 730 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,357 INFO L274 CegarLoopResult]: For program point L400(lines 400 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,357 INFO L274 CegarLoopResult]: For program point L1127(lines 1127 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,357 INFO L274 CegarLoopResult]: For program point L995(lines 995 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,358 INFO L274 CegarLoopResult]: For program point L1458(lines 1458 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,358 INFO L274 CegarLoopResult]: For program point L335(lines 335 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,358 INFO L274 CegarLoopResult]: For program point L203-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,358 INFO L274 CegarLoopResult]: For program point L137-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,358 INFO L274 CegarLoopResult]: For program point L71-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,358 INFO L274 CegarLoopResult]: For program point L798(lines 798 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,358 INFO L274 CegarLoopResult]: For program point L666(lines 666 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,358 INFO L274 CegarLoopResult]: For program point L270(lines 270 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,358 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 13:32:10,358 INFO L274 CegarLoopResult]: For program point L1195(lines 1195 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,358 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 13:32:10,359 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 13:32:10,359 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,359 INFO L274 CegarLoopResult]: For program point L931(lines 931 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,359 INFO L274 CegarLoopResult]: For program point L865(lines 865 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,359 INFO L274 CegarLoopResult]: For program point L535(lines 535 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,359 INFO L274 CegarLoopResult]: For program point L1394(lines 1394 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,359 INFO L274 CegarLoopResult]: For program point L602(lines 602 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,359 INFO L274 CegarLoopResult]: For program point L1329(lines 1329 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,359 INFO L274 CegarLoopResult]: For program point L206-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,359 INFO L274 CegarLoopResult]: For program point L140-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,359 INFO L274 CegarLoopResult]: For program point L74-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,360 INFO L274 CegarLoopResult]: For program point L471(lines 471 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,360 INFO L274 CegarLoopResult]: For program point L1264(lines 1264 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,360 INFO L274 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-10-28 13:32:10,360 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-28 13:32:10,360 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 13:32:10,360 INFO L274 CegarLoopResult]: For program point L736(lines 736 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,360 INFO L274 CegarLoopResult]: For program point L1463(lines 1463 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,360 INFO L274 CegarLoopResult]: For program point L406(lines 406 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,360 INFO L274 CegarLoopResult]: For program point L340(lines 340 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,360 INFO L274 CegarLoopResult]: For program point L1133(lines 1133 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,360 INFO L274 CegarLoopResult]: For program point L1001(lines 1001 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,360 INFO L274 CegarLoopResult]: For program point L143-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,361 INFO L274 CegarLoopResult]: For program point L77-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,361 INFO L274 CegarLoopResult]: For program point L804(lines 804 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,361 INFO L274 CegarLoopResult]: For program point L672(lines 672 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,361 INFO L274 CegarLoopResult]: For program point L540(lines 540 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,361 INFO L274 CegarLoopResult]: For program point L1399(lines 1399 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,361 INFO L274 CegarLoopResult]: For program point L276(lines 276 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,361 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 13:32:10,361 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 13:32:10,361 INFO L274 CegarLoopResult]: For program point L1069(lines 1069 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,361 INFO L274 CegarLoopResult]: For program point L937(lines 937 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,361 INFO L274 CegarLoopResult]: For program point L871(lines 871 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,361 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L608(lines 608 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L1269(lines 1269 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L146-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L80-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L478(lines 478 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L1139(lines 1139 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L743(lines 743 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,362 INFO L274 CegarLoopResult]: For program point L545(lines 545 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point L413(lines 413 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point L347(lines 347 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point L281(lines 281 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point L215(lines 215 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point L149-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point L83-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point L810(lines 810 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point L1207(lines 1207 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point L1075(lines 1075 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,363 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,364 INFO L274 CegarLoopResult]: For program point L877(lines 877 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,364 INFO L274 CegarLoopResult]: For program point L679(lines 679 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,364 INFO L274 CegarLoopResult]: For program point L944(lines 944 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,364 INFO L274 CegarLoopResult]: For program point L614(lines 614 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,364 INFO L274 CegarLoopResult]: For program point L152-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,364 INFO L274 CegarLoopResult]: For program point L86-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,364 INFO L274 CegarLoopResult]: For program point L1474(lines 1474 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,364 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,364 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 13:32:10,364 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 13:32:10,364 INFO L274 CegarLoopResult]: For program point L748(lines 748 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,364 INFO L274 CegarLoopResult]: For program point L682(lines 682 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L550(lines 550 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L352(lines 352 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L1343(lines 1343 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L220(lines 220 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L1145(lines 1145 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L485(lines 485 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L419(lines 419 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L287(lines 287 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L155-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L89-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L1411(lines 1411 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,365 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,366 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 13:32:10,366 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 13:32:10,366 INFO L274 CegarLoopResult]: For program point L1081(lines 1081 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,366 INFO L274 CegarLoopResult]: For program point L817(lines 817 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,366 INFO L274 CegarLoopResult]: For program point L950(lines 950 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,366 INFO L274 CegarLoopResult]: For program point L884(lines 884 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,366 INFO L274 CegarLoopResult]: For program point L620(lines 620 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,366 INFO L274 CegarLoopResult]: For program point L1479(lines 1479 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,366 INFO L274 CegarLoopResult]: For program point L158-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,366 INFO L274 CegarLoopResult]: For program point L92-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,366 INFO L274 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-10-28 13:32:10,367 INFO L274 CegarLoopResult]: For program point L26-2(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,367 INFO L274 CegarLoopResult]: For program point L1282(lines 1282 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,367 INFO L274 CegarLoopResult]: For program point L225(lines 225 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,367 INFO L274 CegarLoopResult]: For program point L1216(lines 1216 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,367 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 13:32:10,367 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 13:32:10,367 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 13:32:10,367 INFO L274 CegarLoopResult]: For program point L754(lines 754 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,367 INFO L274 CegarLoopResult]: For program point L688(lines 688 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,367 INFO L274 CegarLoopResult]: For program point L556(lines 556 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,367 INFO L274 CegarLoopResult]: For program point L358(lines 358 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,368 INFO L274 CegarLoopResult]: For program point L1349(lines 1349 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,368 INFO L274 CegarLoopResult]: For program point L292(lines 292 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,368 INFO L274 CegarLoopResult]: For program point L1151(lines 1151 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,368 INFO L274 CegarLoopResult]: For program point L491(lines 491 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,368 INFO L274 CegarLoopResult]: For program point L161-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,368 INFO L274 CegarLoopResult]: For program point L95-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,368 INFO L274 CegarLoopResult]: For program point L29-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,368 INFO L274 CegarLoopResult]: For program point L1020(lines 1020 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,368 INFO L274 CegarLoopResult]: For program point L426(lines 426 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,368 INFO L274 CegarLoopResult]: For program point L1417(lines 1417 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,368 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 13:32:10,369 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 13:32:10,369 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 13:32:10,369 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,369 INFO L274 CegarLoopResult]: For program point L956(lines 956 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,369 INFO L274 CegarLoopResult]: For program point L890(lines 890 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,369 INFO L274 CegarLoopResult]: For program point L824(lines 824 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,369 INFO L274 CegarLoopResult]: For program point L626(lines 626 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,369 INFO L274 CegarLoopResult]: For program point L164-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,369 INFO L274 CegarLoopResult]: For program point L98-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,369 INFO L274 CegarLoopResult]: For program point L32-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,370 INFO L274 CegarLoopResult]: For program point L693(lines 693 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,370 INFO L274 CegarLoopResult]: For program point L1486(lines 1486 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,370 INFO L274 CegarLoopResult]: For program point L429(lines 429 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,370 INFO L274 CegarLoopResult]: For program point L363(lines 363 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,370 INFO L274 CegarLoopResult]: For program point L1288(lines 1288 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,370 INFO L274 CegarLoopResult]: For program point L231(lines 231 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,370 INFO L274 CegarLoopResult]: For program point L1222(lines 1222 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,370 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 13:32:10,370 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 13:32:10,370 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 13:32:10,370 INFO L274 CegarLoopResult]: For program point L760(lines 760 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,370 INFO L274 CegarLoopResult]: For program point L562(lines 562 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,371 INFO L274 CegarLoopResult]: For program point L1355(lines 1355 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,371 INFO L274 CegarLoopResult]: For program point L1157(lines 1157 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,371 INFO L274 CegarLoopResult]: For program point L497(lines 497 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,371 INFO L274 CegarLoopResult]: For program point L299(lines 299 1492) no Hoare annotation was computed. [2020-10-28 13:32:10,371 INFO L274 CegarLoopResult]: For program point L167-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,371 INFO L274 CegarLoopResult]: For program point L101-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,371 INFO L274 CegarLoopResult]: For program point L35-1(lines 25 1494) no Hoare annotation was computed. [2020-10-28 13:32:10,371 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 13:32:10,371 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a18~0 80) 0) (<= 0 (+ ~a18~0 147)) (= ~a16~0 11) (= 5 ~a12~0) (<= ~a15~0 3)) [2020-10-28 13:32:10,372 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 13:32:10,372 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 13:32:10,372 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1769 1785) the Hoare annotation is: (or (not (= 11 |old(~a16~0)|)) (not (<= |old(~a15~0)| 3)) (and (= ~a18~0 |old(~a18~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (<= 0 (+ |old(~a18~0)| 147))) (not (<= (+ |old(~a18~0)| 80) 0))) [2020-10-28 13:32:10,372 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1769 1785) no Hoare annotation was computed. [2020-10-28 13:32:10,372 INFO L270 CegarLoopResult]: At program point L1783(line 1783) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 3))) (or (and (= ~a12~0 8) .cse0) (and (<= (+ ~a18~0 80) 0) (<= 0 (+ ~a18~0 147)) (<= ~a12~0 7) .cse0) (not (= ~a16~0 10)) (and (not (= ~a12~0 ~a16~0)) (<= (+ ~a18~0 92615) 0) .cse0) (not (<= |old(~a15~0)| 3)) (not (= 11 |old(~a16~0)|)) (not (= 5 |old(~a12~0)|)) (<= ~a12~0 6) (not (<= 0 (+ |old(~a18~0)| 147))) (not (<= (+ |old(~a18~0)| 80) 0)))) [2020-10-28 13:32:10,372 INFO L274 CegarLoopResult]: For program point L1783-1(line 1783) no Hoare annotation was computed. [2020-10-28 13:32:10,372 INFO L274 CegarLoopResult]: For program point L1780(line 1780) no Hoare annotation was computed. [2020-10-28 13:32:10,373 INFO L270 CegarLoopResult]: At program point L1775-2(lines 1775 1784) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 3))) (or (and (= ~a12~0 8) .cse0) (and (<= (+ ~a18~0 80) 0) (<= 0 (+ ~a18~0 147)) (<= ~a12~0 7) .cse0) (not (= ~a16~0 10)) (and (not (= ~a12~0 ~a16~0)) (<= (+ ~a18~0 92615) 0) .cse0) (not (<= |old(~a15~0)| 3)) (not (= 11 |old(~a16~0)|)) (not (= 5 |old(~a12~0)|)) (<= ~a12~0 6) (not (<= 0 (+ |old(~a18~0)| 147))) (not (<= (+ |old(~a18~0)| 80) 0)))) [2020-10-28 13:32:10,373 INFO L274 CegarLoopResult]: For program point L1775-3(lines 1769 1785) no Hoare annotation was computed. [2020-10-28 13:32:10,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 01:32:10 BoogieIcfgContainer [2020-10-28 13:32:10,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 13:32:10,404 INFO L168 Benchmark]: Toolchain (without parser) took 190313.93 ms. Allocated memory was 152.0 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 122.1 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. [2020-10-28 13:32:10,406 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 125.8 MB. Free memory is still 99.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 13:32:10,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1303.65 ms. Allocated memory is still 152.0 MB. Free memory was 121.5 MB in the beginning and 93.7 MB in the end (delta: 27.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 8.0 GB. [2020-10-28 13:32:10,408 INFO L168 Benchmark]: Boogie Preprocessor took 223.11 ms. Allocated memory is still 152.0 MB. Free memory was 93.7 MB in the beginning and 118.4 MB in the end (delta: -24.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 8.0 GB. [2020-10-28 13:32:10,409 INFO L168 Benchmark]: RCFGBuilder took 2606.52 ms. Allocated memory was 152.0 MB in the beginning and 202.4 MB in the end (delta: 50.3 MB). Free memory was 118.4 MB in the beginning and 86.8 MB in the end (delta: 31.6 MB). Peak memory consumption was 84.8 MB. Max. memory is 8.0 GB. [2020-10-28 13:32:10,409 INFO L168 Benchmark]: TraceAbstraction took 186164.92 ms. Allocated memory was 202.4 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 86.2 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. [2020-10-28 13:32:10,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 125.8 MB. Free memory is still 99.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1303.65 ms. Allocated memory is still 152.0 MB. Free memory was 121.5 MB in the beginning and 93.7 MB in the end (delta: 27.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 223.11 ms. Allocated memory is still 152.0 MB. Free memory was 93.7 MB in the beginning and 118.4 MB in the end (delta: -24.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2606.52 ms. Allocated memory was 152.0 MB in the beginning and 202.4 MB in the end (delta: 50.3 MB). Free memory was 118.4 MB in the beginning and 86.8 MB in the end (delta: 31.6 MB). Peak memory consumption was 84.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 186164.92 ms. Allocated memory was 202.4 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 86.2 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 1775]: Loop Invariant Derived loop invariant: (((((((((a12 == 8 && a15 <= 3) || (((a18 + 80 <= 0 && 0 <= a18 + 147) && a12 <= 7) && a15 <= 3)) || !(a16 == 10)) || ((!(a12 == a16) && a18 + 92615 <= 0) && a15 <= 3)) || !(\old(a15) <= 3)) || !(11 == \old(a16))) || !(5 == \old(a12))) || a12 <= 6) || !(0 <= \old(a18) + 147)) || !(\old(a18) + 80 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 413 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 176.0s, OverallIterations: 13, TraceHistogramMax: 10, AutomataDifference: 77.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 532 SDtfs, 13309 SDslu, 760 SDs, 0 SdLazy, 30152 SolverSat, 5994 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 54.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 358 GetRequests, 224 SyntacticMatches, 2 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22156occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 2868 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 1661 PreInvPairs, 1895 NumberOfFragments, 668 HoareAnnotationTreeSize, 1661 FomulaSimplifications, 76509 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 11 FomulaSimplificationsInter, 32789 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 78.6s InterpolantComputationTime, 13374 NumberOfCodeBlocks, 13374 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 13361 ConstructedInterpolants, 0 QuantifiedInterpolants, 36760872 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 26815/29889 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...