/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/Problem10_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 11:58:20,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 11:58:20,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 11:58:20,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 11:58:20,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 11:58:20,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 11:58:20,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 11:58:20,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 11:58:20,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 11:58:20,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 11:58:20,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 11:58:20,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 11:58:20,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 11:58:20,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 11:58:20,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 11:58:20,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 11:58:20,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 11:58:20,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 11:58:20,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 11:58:20,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 11:58:20,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 11:58:20,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 11:58:20,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 11:58:20,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 11:58:20,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 11:58:20,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 11:58:20,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 11:58:20,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 11:58:20,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 11:58:20,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 11:58:20,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 11:58:20,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 11:58:20,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 11:58:20,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 11:58:20,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 11:58:20,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 11:58:20,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 11:58:20,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 11:58:20,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 11:58:20,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 11:58:20,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 11:58:20,360 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 11:58:20,387 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 11:58:20,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 11:58:20,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 11:58:20,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 11:58:20,390 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 11:58:20,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 11:58:20,390 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 11:58:20,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 11:58:20,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 11:58:20,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 11:58:20,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 11:58:20,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 11:58:20,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 11:58:20,391 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 11:58:20,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 11:58:20,392 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 11:58:20,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 11:58:20,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 11:58:20,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 11:58:20,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 11:58:20,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 11:58:20,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:58:20,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 11:58:20,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 11:58:20,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 11:58:20,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 11:58:20,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 11:58:20,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 11:58:20,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 11:58:20,395 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 11:58:20,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 11:58:20,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 11:58:20,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 11:58:20,886 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 11:58:20,887 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 11:58:20,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label14.c [2020-10-28 11:58:20,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/297d78238/ded865e6367d402c9e81cc440570987a/FLAGe39af4054 [2020-10-28 11:58:21,700 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 11:58:21,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label14.c [2020-10-28 11:58:21,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/297d78238/ded865e6367d402c9e81cc440570987a/FLAGe39af4054 [2020-10-28 11:58:21,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/297d78238/ded865e6367d402c9e81cc440570987a [2020-10-28 11:58:21,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 11:58:21,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 11:58:22,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 11:58:22,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 11:58:22,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 11:58:22,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:21" (1/1) ... [2020-10-28 11:58:22,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31fea257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:22, skipping insertion in model container [2020-10-28 11:58:22,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:21" (1/1) ... [2020-10-28 11:58:22,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 11:58:22,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 11:58:22,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:58:22,599 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 11:58:22,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:58:22,823 INFO L208 MainTranslator]: Completed translation [2020-10-28 11:58:22,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:22 WrapperNode [2020-10-28 11:58:22,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 11:58:22,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 11:58:22,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 11:58:22,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 11:58:22,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:22" (1/1) ... [2020-10-28 11:58:22,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:22" (1/1) ... [2020-10-28 11:58:22,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:22" (1/1) ... [2020-10-28 11:58:22,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:22" (1/1) ... [2020-10-28 11:58:22,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:22" (1/1) ... [2020-10-28 11:58:22,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:22" (1/1) ... [2020-10-28 11:58:22,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:22" (1/1) ... [2020-10-28 11:58:23,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 11:58:23,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 11:58:23,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 11:58:23,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 11:58:23,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:22" (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 11:58:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 11:58:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 11:58:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 11:58:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 11:58:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 11:58:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 11:58:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 11:58:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 11:58:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 11:58:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 11:58:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 11:58:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 11:58:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 11:58:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 11:58:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 11:58:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 11:58:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 11:58:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 11:58:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 11:58:24,590 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 11:58:24,590 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 11:58:24,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:24 BoogieIcfgContainer [2020-10-28 11:58:24,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 11:58:24,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 11:58:24,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 11:58:24,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 11:58:24,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:58:21" (1/3) ... [2020-10-28 11:58:24,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0cbc0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:24, skipping insertion in model container [2020-10-28 11:58:24,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:22" (2/3) ... [2020-10-28 11:58:24,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0cbc0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:24, skipping insertion in model container [2020-10-28 11:58:24,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:24" (3/3) ... [2020-10-28 11:58:24,604 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label14.c [2020-10-28 11:58:24,618 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 11:58:24,625 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 11:58:24,641 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 11:58:24,674 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 11:58:24,675 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 11:58:24,678 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 11:58:24,678 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 11:58:24,678 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 11:58:24,678 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 11:58:24,679 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 11:58:24,679 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 11:58:24,705 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 11:58:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-28 11:58:24,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:24,714 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] [2020-10-28 11:58:24,714 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:24,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:24,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1630397604, now seen corresponding path program 1 times [2020-10-28 11:58:24,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:24,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592910694] [2020-10-28 11:58:24,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:24,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:25,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:25,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 11:58:25,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:25,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 572 [2020-10-28 11:58:25,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:25,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 11:58:25,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 11:58:25,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:25,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:25,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:25,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:25,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:25,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 11:58:25,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:25,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:25,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:25,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:25,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:25,675 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 11:58:25,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592910694] [2020-10-28 11:58:25,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:58:25,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 11:58:25,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865352972] [2020-10-28 11:58:25,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 11:58:25,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:25,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 11:58:25,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 11:58:25,706 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-28 11:58:25,858 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-28 11:58:27,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:27,707 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-28 11:58:27,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:27,710 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-10-28 11:58:27,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:27,726 INFO L225 Difference]: With dead ends: 586 [2020-10-28 11:58:27,726 INFO L226 Difference]: Without dead ends: 303 [2020-10-28 11:58:27,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:27,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-28 11:58:27,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-28 11:58:27,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-28 11:58:27,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-28 11:58:27,817 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 38 [2020-10-28 11:58:27,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:27,817 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-28 11:58:27,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 11:58:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-28 11:58:27,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-28 11:58:27,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:27,826 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:58:27,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 11:58:27,827 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:27,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:27,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1748520328, now seen corresponding path program 1 times [2020-10-28 11:58:27,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:27,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2139851445] [2020-10-28 11:58:27,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:27,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:28,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:28,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:58:28,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:28,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 811 [2020-10-28 11:58:28,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:28,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 11:58:28,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:28,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:28,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:28,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:28,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:28,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:28,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:58:28,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:28,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:28,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:28,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:28,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:28,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:28,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:28,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:28,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:28,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:28,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:28,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-28 11:58:28,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:28,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:28,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:29,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:29,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2139851445] [2020-10-28 11:58:29,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:29,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:58:29,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695033671] [2020-10-28 11:58:29,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:58:29,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:29,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:58:29,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:29,029 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 5 states. [2020-10-28 11:58:30,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:30,588 INFO L93 Difference]: Finished difference Result 596 states and 804 transitions. [2020-10-28 11:58:30,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:30,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-10-28 11:58:30,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:30,598 INFO L225 Difference]: With dead ends: 596 [2020-10-28 11:58:30,598 INFO L226 Difference]: Without dead ends: 593 [2020-10-28 11:58:30,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:30,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-28 11:58:30,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 444. [2020-10-28 11:58:30,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-28 11:58:30,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 621 transitions. [2020-10-28 11:58:30,650 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 621 transitions. Word has length 108 [2020-10-28 11:58:30,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:30,651 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 621 transitions. [2020-10-28 11:58:30,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:30,651 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 621 transitions. [2020-10-28 11:58:30,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-28 11:58:30,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:30,654 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:58:30,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 11:58:30,655 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:30,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:30,656 INFO L82 PathProgramCache]: Analyzing trace with hash 885354708, now seen corresponding path program 1 times [2020-10-28 11:58:30,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:30,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899131544] [2020-10-28 11:58:30,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:30,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:30,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:31,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:32,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:32,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-28 11:58:32,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:32,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1467 [2020-10-28 11:58:32,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:32,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 11:58:32,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:32,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:32,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:32,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:32,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:32,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:32,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 11:58:32,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:32,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:32,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:32,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:32,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:32,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:32,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 11:58:32,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:32,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-28 11:58:32,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:32,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:32,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:32,636 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:32,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899131544] [2020-10-28 11:58:32,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:58:32,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 11:58:32,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708340821] [2020-10-28 11:58:32,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:32,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:32,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:32,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:32,641 INFO L87 Difference]: Start difference. First operand 444 states and 621 transitions. Second operand 7 states. [2020-10-28 11:58:34,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:34,731 INFO L93 Difference]: Finished difference Result 1200 states and 1709 transitions. [2020-10-28 11:58:34,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:34,732 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2020-10-28 11:58:34,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:34,739 INFO L225 Difference]: With dead ends: 1200 [2020-10-28 11:58:34,739 INFO L226 Difference]: Without dead ends: 762 [2020-10-28 11:58:34,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:58:34,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-10-28 11:58:34,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 742. [2020-10-28 11:58:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2020-10-28 11:58:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 968 transitions. [2020-10-28 11:58:34,797 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 968 transitions. Word has length 111 [2020-10-28 11:58:34,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:34,797 INFO L481 AbstractCegarLoop]: Abstraction has 742 states and 968 transitions. [2020-10-28 11:58:34,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 968 transitions. [2020-10-28 11:58:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-28 11:58:34,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:34,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:58:34,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 11:58:34,801 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:34,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:34,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1530845752, now seen corresponding path program 1 times [2020-10-28 11:58:34,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:34,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367232786] [2020-10-28 11:58:34,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:34,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:34,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:35,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:35,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 11:58:35,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:35,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 664 [2020-10-28 11:58:35,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:35,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:35,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:35,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:58:35,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 11:58:35,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:35,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:35,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:35,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:35,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:35,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:35,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 11:58:35,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:35,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:35,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:35,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:35,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:35,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:35,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:58:35,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:35,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-28 11:58:35,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:35,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:35,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:35,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:35,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:35,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:35,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367232786] [2020-10-28 11:58:35,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:35,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:58:35,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871423854] [2020-10-28 11:58:35,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:58:35,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:35,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:58:35,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:35,846 INFO L87 Difference]: Start difference. First operand 742 states and 968 transitions. Second operand 5 states. [2020-10-28 11:58:37,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:37,515 INFO L93 Difference]: Finished difference Result 1776 states and 2310 transitions. [2020-10-28 11:58:37,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:37,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-10-28 11:58:37,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:37,527 INFO L225 Difference]: With dead ends: 1776 [2020-10-28 11:58:37,527 INFO L226 Difference]: Without dead ends: 748 [2020-10-28 11:58:37,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:37,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-28 11:58:37,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 742. [2020-10-28 11:58:37,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2020-10-28 11:58:37,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 938 transitions. [2020-10-28 11:58:37,561 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 938 transitions. Word has length 117 [2020-10-28 11:58:37,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:37,562 INFO L481 AbstractCegarLoop]: Abstraction has 742 states and 938 transitions. [2020-10-28 11:58:37,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:37,562 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 938 transitions. [2020-10-28 11:58:37,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-28 11:58:37,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:37,568 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:37,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 11:58:37,568 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:37,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:37,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1124812204, now seen corresponding path program 1 times [2020-10-28 11:58:37,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:37,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884506500] [2020-10-28 11:58:37,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:37,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:37,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:38,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:39,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:39,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-28 11:58:39,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:39,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1420 [2020-10-28 11:58:39,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:39,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:58:39,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:39,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:39,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:39,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:39,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:39,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:39,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 11:58:39,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:39,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:39,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:39,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:39,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:39,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:39,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:39,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:39,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:39,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:39,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:39,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 11:58:39,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:39,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:39,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:39,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:39,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:58:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:39,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:39,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:39,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:58:39,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:39,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-28 11:58:39,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:39,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:58:39,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:39,518 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:39,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884506500] [2020-10-28 11:58:39,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:39,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:39,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443891079] [2020-10-28 11:58:39,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:39,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:39,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:39,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:39,521 INFO L87 Difference]: Start difference. First operand 742 states and 938 transitions. Second operand 7 states. [2020-10-28 11:58:41,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:41,492 INFO L93 Difference]: Finished difference Result 1794 states and 2314 transitions. [2020-10-28 11:58:41,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:41,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-10-28 11:58:41,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:41,500 INFO L225 Difference]: With dead ends: 1794 [2020-10-28 11:58:41,500 INFO L226 Difference]: Without dead ends: 1058 [2020-10-28 11:58:41,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:41,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2020-10-28 11:58:41,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 897. [2020-10-28 11:58:41,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2020-10-28 11:58:41,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1113 transitions. [2020-10-28 11:58:41,542 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1113 transitions. Word has length 190 [2020-10-28 11:58:41,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:41,543 INFO L481 AbstractCegarLoop]: Abstraction has 897 states and 1113 transitions. [2020-10-28 11:58:41,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:41,544 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1113 transitions. [2020-10-28 11:58:41,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-28 11:58:41,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:41,548 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:41,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 11:58:41,548 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:41,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:41,549 INFO L82 PathProgramCache]: Analyzing trace with hash -563432808, now seen corresponding path program 1 times [2020-10-28 11:58:41,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:41,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133226639] [2020-10-28 11:58:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:41,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:41,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:42,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:43,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:45,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:45,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-28 11:58:45,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:45,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4151 [2020-10-28 11:58:45,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:45,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:45,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:45,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-28 11:58:45,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:58:45,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:45,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:45,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:45,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:45,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:45,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:45,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 11:58:45,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:45,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:45,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:45,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:45,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:45,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:45,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:45,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:46,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:46,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:58:46,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:46,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-28 11:58:46,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:46,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 11:58:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:46,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 11:58:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:46,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:46,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:46,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:58:46,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:46,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-28 11:58:46,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:46,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:46,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:46,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:46,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:58:46,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:46,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133226639] [2020-10-28 11:58:46,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:46,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:46,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088109494] [2020-10-28 11:58:46,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:46,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:46,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:46,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:46,257 INFO L87 Difference]: Start difference. First operand 897 states and 1113 transitions. Second operand 7 states. [2020-10-28 11:58:48,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:48,267 INFO L93 Difference]: Finished difference Result 2098 states and 2673 transitions. [2020-10-28 11:58:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 11:58:48,269 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 197 [2020-10-28 11:58:48,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:48,278 INFO L225 Difference]: With dead ends: 2098 [2020-10-28 11:58:48,278 INFO L226 Difference]: Without dead ends: 1207 [2020-10-28 11:58:48,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:58:48,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-10-28 11:58:48,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1193. [2020-10-28 11:58:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-10-28 11:58:48,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1466 transitions. [2020-10-28 11:58:48,336 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1466 transitions. Word has length 197 [2020-10-28 11:58:48,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:48,336 INFO L481 AbstractCegarLoop]: Abstraction has 1193 states and 1466 transitions. [2020-10-28 11:58:48,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:48,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1466 transitions. [2020-10-28 11:58:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-28 11:58:48,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:48,340 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:48,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 11:58:48,341 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:48,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:48,341 INFO L82 PathProgramCache]: Analyzing trace with hash -590552444, now seen corresponding path program 1 times [2020-10-28 11:58:48,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:48,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1185142986] [2020-10-28 11:58:48,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:48,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:48,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:49,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:50,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:51,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:51,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-28 11:58:51,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:51,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3583 [2020-10-28 11:58:51,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:51,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 11:58:51,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:52,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:52,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:52,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:52,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:52,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:52,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 11:58:52,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:52,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:52,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:52,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:52,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:52,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:52,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:52,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:52,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:58:52,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:52,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-28 11:58:52,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:52,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:52,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:52,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:52,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:58:52,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:52,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 11:58:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:52,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:52,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:52,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:58:52,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:52,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 11:58:52,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:52,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:52,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:52,490 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 60 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 11:58:52,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1185142986] [2020-10-28 11:58:52,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:52,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:52,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297013342] [2020-10-28 11:58:52,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:52,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:52,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:52,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:52,493 INFO L87 Difference]: Start difference. First operand 1193 states and 1466 transitions. Second operand 7 states. [2020-10-28 11:58:54,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:54,229 INFO L93 Difference]: Finished difference Result 2549 states and 3132 transitions. [2020-10-28 11:58:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 11:58:54,235 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-10-28 11:58:54,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:54,243 INFO L225 Difference]: With dead ends: 2549 [2020-10-28 11:58:54,243 INFO L226 Difference]: Without dead ends: 1362 [2020-10-28 11:58:54,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 11:58:54,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2020-10-28 11:58:54,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1342. [2020-10-28 11:58:54,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2020-10-28 11:58:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1626 transitions. [2020-10-28 11:58:54,314 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1626 transitions. Word has length 207 [2020-10-28 11:58:54,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:54,315 INFO L481 AbstractCegarLoop]: Abstraction has 1342 states and 1626 transitions. [2020-10-28 11:58:54,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:54,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1626 transitions. [2020-10-28 11:58:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-28 11:58:54,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:54,320 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 11:58:54,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 11:58:54,320 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:54,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:54,321 INFO L82 PathProgramCache]: Analyzing trace with hash -689188276, now seen corresponding path program 1 times [2020-10-28 11:58:54,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:54,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [970665068] [2020-10-28 11:58:54,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:54,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:54,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:54,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:55,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:55,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-28 11:58:55,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:55,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1212 [2020-10-28 11:58:55,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:55,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:55,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:55,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 11:58:55,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 11:58:55,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:55,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:55,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:55,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:55,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:55,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:55,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:58:55,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:55,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:55,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:55,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:55,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:55,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:55,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:55,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:55,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:55,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:58:55,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:55,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-28 11:58:55,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:55,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 11:58:55,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:55,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:58:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:55,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:56,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:56,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 11:58:56,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:56,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-28 11:58:56,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:56,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:56,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:56,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:58:56,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 139 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:56,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [970665068] [2020-10-28 11:58:56,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:56,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:56,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965528798] [2020-10-28 11:58:56,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:56,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:56,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:56,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:56,184 INFO L87 Difference]: Start difference. First operand 1342 states and 1626 transitions. Second operand 7 states. [2020-10-28 11:58:58,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:58,218 INFO L93 Difference]: Finished difference Result 2847 states and 3551 transitions. [2020-10-28 11:58:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:58,222 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-10-28 11:58:58,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:58,233 INFO L225 Difference]: With dead ends: 2847 [2020-10-28 11:58:58,233 INFO L226 Difference]: Without dead ends: 1654 [2020-10-28 11:58:58,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:58,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2020-10-28 11:58:58,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1497. [2020-10-28 11:58:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1497 states. [2020-10-28 11:58:58,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 1757 transitions. [2020-10-28 11:58:58,290 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 1757 transitions. Word has length 235 [2020-10-28 11:58:58,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:58,290 INFO L481 AbstractCegarLoop]: Abstraction has 1497 states and 1757 transitions. [2020-10-28 11:58:58,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1757 transitions. [2020-10-28 11:58:58,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-10-28 11:58:58,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:58,299 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:58,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 11:58:58,299 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:58,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:58,300 INFO L82 PathProgramCache]: Analyzing trace with hash -827909332, now seen corresponding path program 1 times [2020-10-28 11:58:58,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:58,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083035291] [2020-10-28 11:58:58,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:58,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:58,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:58,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:00,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:03,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:03,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 365 [2020-10-28 11:59:03,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:59:03,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-28 11:59:03,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:03,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:03,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:03,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 204 [2020-10-28 11:59:03,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-28 11:59:03,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:03,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:03,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:03,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:03,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:03,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:03,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:59:03,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:03,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:03,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:03,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:03,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:03,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:03,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:03,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:03,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:03,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:59:03,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:03,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 11:59:03,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:03,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:03,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:03,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:59:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:03,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:03,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:03,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:59:03,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:03,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-28 11:59:03,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:03,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:03,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:03,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:03,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 11:59:03,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:03,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-28 11:59:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:03,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:04,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:04,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:59:04,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:04,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-28 11:59:04,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:04,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:04,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:04,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:04,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 11:59:04,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 281 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-28 11:59:04,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083035291] [2020-10-28 11:59:04,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:04,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:04,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168951229] [2020-10-28 11:59:04,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:04,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:04,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:04,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:04,354 INFO L87 Difference]: Start difference. First operand 1497 states and 1757 transitions. Second operand 7 states. [2020-10-28 11:59:06,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:06,478 INFO L93 Difference]: Finished difference Result 3300 states and 3902 transitions. [2020-10-28 11:59:06,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:59:06,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 349 [2020-10-28 11:59:06,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:06,489 INFO L225 Difference]: With dead ends: 3300 [2020-10-28 11:59:06,490 INFO L226 Difference]: Without dead ends: 1952 [2020-10-28 11:59:06,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:59:06,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2020-10-28 11:59:06,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1938. [2020-10-28 11:59:06,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1938 states. [2020-10-28 11:59:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2244 transitions. [2020-10-28 11:59:06,549 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2244 transitions. Word has length 349 [2020-10-28 11:59:06,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:06,550 INFO L481 AbstractCegarLoop]: Abstraction has 1938 states and 2244 transitions. [2020-10-28 11:59:06,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:06,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2244 transitions. [2020-10-28 11:59:06,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-10-28 11:59:06,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:06,559 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 11:59:06,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 11:59:06,560 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:06,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:06,561 INFO L82 PathProgramCache]: Analyzing trace with hash -13150032, now seen corresponding path program 1 times [2020-10-28 11:59:06,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:06,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349033669] [2020-10-28 11:59:06,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:06,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:06,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:07,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:08,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:09,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:09,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-28 11:59:09,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:59:09,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2893 [2020-10-28 11:59:09,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:09,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:09,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:09,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 11:59:09,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-28 11:59:09,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:09,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:09,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:09,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:09,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:09,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:09,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:59:09,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:09,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:09,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:09,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:09,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:09,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:09,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:09,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:09,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:59:09,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:09,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-28 11:59:09,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:09,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:09,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:09,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:09,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 11:59:09,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:09,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:59:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:09,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:09,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:09,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:59:09,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 11:59:09,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:09,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 11:59:09,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:10,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-28 11:59:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:10,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:10,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:10,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 11:59:10,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:10,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-28 11:59:10,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:10,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:10,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:10,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:10,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-28 11:59:10,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 271 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 11:59:10,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349033669] [2020-10-28 11:59:10,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:10,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:10,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602600639] [2020-10-28 11:59:10,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:10,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:10,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:10,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:10,380 INFO L87 Difference]: Start difference. First operand 1938 states and 2244 transitions. Second operand 7 states. [2020-10-28 11:59:12,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:12,466 INFO L93 Difference]: Finished difference Result 4333 states and 5064 transitions. [2020-10-28 11:59:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:59:12,467 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 350 [2020-10-28 11:59:12,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:12,479 INFO L225 Difference]: With dead ends: 4333 [2020-10-28 11:59:12,480 INFO L226 Difference]: Without dead ends: 2544 [2020-10-28 11:59:12,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:59:12,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2020-10-28 11:59:12,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2532. [2020-10-28 11:59:12,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2532 states. [2020-10-28 11:59:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 2912 transitions. [2020-10-28 11:59:12,556 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 2912 transitions. Word has length 350 [2020-10-28 11:59:12,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:12,557 INFO L481 AbstractCegarLoop]: Abstraction has 2532 states and 2912 transitions. [2020-10-28 11:59:12,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:12,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 2912 transitions. [2020-10-28 11:59:12,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-10-28 11:59:12,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:12,568 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:12,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 11:59:12,568 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:12,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:12,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1795181504, now seen corresponding path program 1 times [2020-10-28 11:59:12,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:12,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356884815] [2020-10-28 11:59:12,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:12,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:12,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:14,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:15,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:15,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-10-28 11:59:15,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:59:15,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2468 [2020-10-28 11:59:15,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:15,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:15,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:15,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 11:59:15,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 11:59:15,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:15,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:15,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:15,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:15,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:15,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:15,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:59:15,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:15,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:15,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:15,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:15,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:15,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:15,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:59:15,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:15,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 11:59:15,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:15,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:15,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:15,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:15,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 11:59:15,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:15,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:59:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:15,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:15,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:15,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:59:15,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:15,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-28 11:59:15,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:15,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:15,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 11:59:15,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:15,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-28 11:59:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:15,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:15,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:15,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:59:15,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:15,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 11:59:15,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:15,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:15,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:15,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-28 11:59:15,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:15,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 178 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-28 11:59:15,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356884815] [2020-10-28 11:59:15,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:15,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:59:15,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340923758] [2020-10-28 11:59:15,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:59:15,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:15,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:59:15,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:59:15,940 INFO L87 Difference]: Start difference. First operand 2532 states and 2912 transitions. Second operand 7 states. [2020-10-28 11:59:18,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:18,213 INFO L93 Difference]: Finished difference Result 4921 states and 5677 transitions. [2020-10-28 11:59:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:59:18,214 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 359 [2020-10-28 11:59:18,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:18,225 INFO L225 Difference]: With dead ends: 4921 [2020-10-28 11:59:18,226 INFO L226 Difference]: Without dead ends: 2538 [2020-10-28 11:59:18,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 11:59:18,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2020-10-28 11:59:18,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2532. [2020-10-28 11:59:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2532 states. [2020-10-28 11:59:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 2893 transitions. [2020-10-28 11:59:18,301 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 2893 transitions. Word has length 359 [2020-10-28 11:59:18,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:18,302 INFO L481 AbstractCegarLoop]: Abstraction has 2532 states and 2893 transitions. [2020-10-28 11:59:18,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:18,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 2893 transitions. [2020-10-28 11:59:18,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-10-28 11:59:18,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:18,313 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:18,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 11:59:18,313 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:18,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:18,314 INFO L82 PathProgramCache]: Analyzing trace with hash 467908400, now seen corresponding path program 1 times [2020-10-28 11:59:18,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:18,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755943759] [2020-10-28 11:59:18,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:18,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:18,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:19,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:19,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 379 [2020-10-28 11:59:19,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:19,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 759 [2020-10-28 11:59:19,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:19,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-28 11:59:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 11:59:19,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:19,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:19,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:19,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:19,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:19,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:19,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 11:59:19,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:19,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:19,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:19,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:19,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:19,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:19,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:19,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:19,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:59:19,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 11:59:19,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:19,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:19,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:19,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:59:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:19,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:19,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:19,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 11:59:19,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:19,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 11:59:19,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:19,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:19,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:19,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:19,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:19,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:19,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-28 11:59:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:19,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:19,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:19,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 11:59:19,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:19,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-28 11:59:19,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:19,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:19,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:19,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:19,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-28 11:59:19,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 93 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-28 11:59:19,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755943759] [2020-10-28 11:59:19,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:19,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:59:19,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910797417] [2020-10-28 11:59:19,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:59:19,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:19,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:59:19,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:59:19,795 INFO L87 Difference]: Start difference. First operand 2532 states and 2893 transitions. Second operand 5 states. [2020-10-28 11:59:21,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:21,370 INFO L93 Difference]: Finished difference Result 4917 states and 5632 transitions. [2020-10-28 11:59:21,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:59:21,374 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 363 [2020-10-28 11:59:21,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:21,385 INFO L225 Difference]: With dead ends: 4917 [2020-10-28 11:59:21,386 INFO L226 Difference]: Without dead ends: 2534 [2020-10-28 11:59:21,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:59:21,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2020-10-28 11:59:21,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 2385. [2020-10-28 11:59:21,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2385 states. [2020-10-28 11:59:21,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 2623 transitions. [2020-10-28 11:59:21,463 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 2623 transitions. Word has length 363 [2020-10-28 11:59:21,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:21,464 INFO L481 AbstractCegarLoop]: Abstraction has 2385 states and 2623 transitions. [2020-10-28 11:59:21,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:59:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 2623 transitions. [2020-10-28 11:59:21,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-10-28 11:59:21,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:21,476 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 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 11:59:21,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 11:59:21,477 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:21,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:21,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1693497528, now seen corresponding path program 1 times [2020-10-28 11:59:21,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:21,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602511002] [2020-10-28 11:59:21,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:21,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:22,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:22,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:22,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 394 [2020-10-28 11:59:22,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:22,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1255 [2020-10-28 11:59:22,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:22,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-28 11:59:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 11:59:22,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:22,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:22,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:22,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:22,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:22,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:22,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:59:22,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:22,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:22,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:22,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:22,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:22,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:22,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:22,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:23,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:23,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 11:59:23,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:23,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 11:59:23,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:23,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:23,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:23,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 11:59:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:23,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:23,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:23,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 11:59:23,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:23,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 11:59:23,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:23,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:23,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:23,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-28 11:59:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:23,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:23,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:23,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 11:59:23,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:23,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-28 11:59:23,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:23,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-28 11:59:23,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 93 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-28 11:59:23,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602511002] [2020-10-28 11:59:23,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:23,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:59:23,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915503811] [2020-10-28 11:59:23,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:59:23,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:23,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:59:23,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:59:23,409 INFO L87 Difference]: Start difference. First operand 2385 states and 2623 transitions. Second operand 5 states. [2020-10-28 11:59:24,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:24,972 INFO L93 Difference]: Finished difference Result 5631 states and 6278 transitions. [2020-10-28 11:59:24,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:59:24,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 378 [2020-10-28 11:59:24,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:24,975 INFO L225 Difference]: With dead ends: 5631 [2020-10-28 11:59:24,975 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 11:59:24,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:59:24,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 11:59:24,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 11:59:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 11:59:24,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 11:59:24,986 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 378 [2020-10-28 11:59:24,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:24,986 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 11:59:24,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:59:24,986 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 11:59:24,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 11:59:24,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 11:59:24,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 11:59:25,513 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2020-10-28 11:59:26,203 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2020-10-28 11:59:26,571 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 34 [2020-10-28 11:59:26,921 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 37 [2020-10-28 11:59:27,804 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 49 [2020-10-28 11:59:28,248 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 37 [2020-10-28 11:59:28,253 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 11:59:28,254 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 11:59:28,254 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 11:59:28,254 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 11:59:28,254 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 11:59:28,255 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-28 11:59:28,255 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 11:59:28,255 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-28 11:59:28,255 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-28 11:59:28,256 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-28 11:59:28,256 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 11:59:28,256 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 11:59:28,256 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 11:59:28,256 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 11:59:28,256 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 11:59:28,257 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 11:59:28,257 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-28 11:59:28,257 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-28 11:59:28,257 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-28 11:59:28,257 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-28 11:59:28,257 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,258 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,258 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,258 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,258 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,258 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,258 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-28 11:59:28,258 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-28 11:59:28,258 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 11:59:28,258 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 11:59:28,258 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 11:59:28,258 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 11:59:28,258 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-28 11:59:28,259 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 11:59:28,260 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-28 11:59:28,260 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-28 11:59:28,260 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 11:59:28,260 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 11:59:28,260 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-28 11:59:28,260 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-28 11:59:28,260 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-28 11:59:28,260 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-28 11:59:28,260 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-28 11:59:28,260 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,260 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,260 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,261 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,261 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,261 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-28 11:59:28,261 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 11:59:28,261 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 11:59:28,261 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 11:59:28,261 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 11:59:28,261 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 11:59:28,261 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-28 11:59:28,261 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-28 11:59:28,261 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-28 11:59:28,262 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-28 11:59:28,262 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,262 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,262 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,262 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,262 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,262 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-28 11:59:28,262 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-28 11:59:28,262 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-28 11:59:28,262 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 11:59:28,262 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 11:59:28,263 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 11:59:28,263 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 11:59:28,263 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 11:59:28,263 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-28 11:59:28,263 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-28 11:59:28,263 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-28 11:59:28,263 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-28 11:59:28,263 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-28 11:59:28,263 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,263 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,263 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,264 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,264 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,264 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 11:59:28,264 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 11:59:28,264 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 11:59:28,264 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 11:59:28,264 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 11:59:28,264 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,264 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,264 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-28 11:59:28,265 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-28 11:59:28,265 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-28 11:59:28,265 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-28 11:59:28,265 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,265 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,265 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,265 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,265 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,265 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-28 11:59:28,265 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-28 11:59:28,266 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-28 11:59:28,266 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-28 11:59:28,266 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 11:59:28,266 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 11:59:28,266 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 11:59:28,266 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 11:59:28,266 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 11:59:28,266 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-28 11:59:28,266 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-28 11:59:28,266 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-28 11:59:28,266 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-28 11:59:28,266 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,267 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,267 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,267 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,267 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-28 11:59:28,267 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,267 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,267 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-28 11:59:28,267 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-28 11:59:28,267 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-28 11:59:28,267 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 11:59:28,267 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 11:59:28,267 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 11:59:28,268 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 11:59:28,268 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 11:59:28,268 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-28 11:59:28,268 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-28 11:59:28,268 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-28 11:59:28,268 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-28 11:59:28,268 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-28 11:59:28,268 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,268 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,268 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,268 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,268 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,269 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,269 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-28 11:59:28,269 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|))) (let ((.cse2 (not (= 3 |old(~a10~0)|))) (.cse4 (and .cse0 (= ~a19~0 |old(~a19~0)|) .cse1)) (.cse3 (not (<= |old(~a19~0)| 9)))) (and (or (and (<= 9 ~a19~0) (<= ~a19~0 9) .cse0 .cse1) .cse2 (not (<= 9 |old(~a19~0)|)) .cse3) (or .cse2 .cse4 .cse3 (not (<= |old(~a1~0)| 33))) (or (not (= |old(~a10~0)| 1)) .cse4) (or .cse4 .cse3 (not (= 2 |old(~a10~0)|))) (or .cse4 (not (= 8 |old(~a19~0)|))) (or .cse4 (not (= 0 |old(~a10~0)|))) (or (not (<= 4 |old(~a10~0)|)) .cse4 .cse3)))) [2020-10-28 11:59:28,269 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-28 11:59:28,269 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-28 11:59:28,269 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 11:59:28,269 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 11:59:28,269 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 11:59:28,270 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 11:59:28,270 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 11:59:28,270 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 11:59:28,270 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-28 11:59:28,270 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-28 11:59:28,270 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-28 11:59:28,270 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-28 11:59:28,270 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-28 11:59:28,270 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,270 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,270 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,270 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-28 11:59:28,271 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-28 11:59:28,272 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-28 11:59:28,272 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-28 11:59:28,272 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,272 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,272 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,272 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,272 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,272 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,272 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-28 11:59:28,272 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-28 11:59:28,272 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-28 11:59:28,272 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 11:59:28,273 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 11:59:28,273 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 11:59:28,273 INFO L270 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= 3 |old(~a10~0)|))) (.cse1 (not (<= |old(~a19~0)| 9)))) (and (not (= |old(~a10~0)| 1)) (or .cse0 .cse1 (not (<= |old(~a1~0)| 33))) (or (not (<= 4 |old(~a10~0)|)) .cse1) (not (= 0 |old(~a10~0)|)) (or .cse0 (not (<= 9 |old(~a19~0)|)) .cse1) (or .cse1 (not (= 2 |old(~a10~0)|))) (not (= 8 |old(~a19~0)|)))) [2020-10-28 11:59:28,273 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 11:59:28,273 INFO L274 CegarLoopResult]: For program point L99-1(line 99) no Hoare annotation was computed. [2020-10-28 11:59:28,273 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 11:59:28,273 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-28 11:59:28,273 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-28 11:59:28,273 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-28 11:59:28,274 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,274 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,274 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,274 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,274 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,274 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:28,274 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 11:59:28,274 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9) (= 23 ~a1~0)) [2020-10-28 11:59:28,274 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 11:59:28,274 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 11:59:28,274 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= ~a19~0 9) (= 23 ~a1~0) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|))) [2020-10-28 11:59:28,275 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-28 11:59:28,275 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (= ~a10~0 3)) (.cse1 (<= ~a19~0 9))) (or (= ~a19~0 8) (= ~a10~0 1) (and .cse0 (<= 9 ~a19~0) .cse1) (not (<= 9 |old(~a19~0)|)) (and .cse0 (<= ~a1~0 33) .cse1) (= ~a10~0 0) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 2) .cse1) (and (<= 4 ~a10~0) .cse1) (not (= 23 |old(~a1~0)|)))) [2020-10-28 11:59:28,275 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-28 11:59:28,275 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-28 11:59:28,275 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= ~a10~0 3)) (.cse1 (<= ~a19~0 9))) (or (= ~a19~0 8) (= ~a10~0 1) (and .cse0 (<= 9 ~a19~0) .cse1) (not (<= 9 |old(~a19~0)|)) (and .cse0 (<= ~a1~0 33) .cse1) (= ~a10~0 0) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (= ~a10~0 2) .cse1) (and (<= 4 ~a10~0) .cse1) (not (= 23 |old(~a1~0)|)))) [2020-10-28 11:59:28,275 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-28 11:59:28,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:59:28 BoogieIcfgContainer [2020-10-28 11:59:28,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 11:59:28,320 INFO L168 Benchmark]: Toolchain (without parser) took 66329.36 ms. Allocated memory was 151.0 MB in the beginning and 952.1 MB in the end (delta: 801.1 MB). Free memory was 124.1 MB in the beginning and 805.0 MB in the end (delta: -680.9 MB). Peak memory consumption was 566.9 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:28,320 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 11:59:28,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.00 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 96.9 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:28,323 INFO L168 Benchmark]: Boogie Preprocessor took 177.10 ms. Allocated memory is still 151.0 MB. Free memory was 96.9 MB in the beginning and 129.6 MB in the end (delta: -32.7 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:28,326 INFO L168 Benchmark]: RCFGBuilder took 1590.25 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 129.6 MB in the beginning and 138.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 84.0 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:28,328 INFO L168 Benchmark]: TraceAbstraction took 63720.75 ms. Allocated memory was 181.4 MB in the beginning and 952.1 MB in the end (delta: 770.7 MB). Free memory was 138.4 MB in the beginning and 805.0 MB in the end (delta: -666.6 MB). Peak memory consumption was 550.2 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:28,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 822.00 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 96.9 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 177.10 ms. Allocated memory is still 151.0 MB. Free memory was 96.9 MB in the beginning and 129.6 MB in the end (delta: -32.7 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1590.25 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 129.6 MB in the beginning and 138.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 84.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 63720.75 ms. Allocated memory was 181.4 MB in the beginning and 952.1 MB in the end (delta: 770.7 MB). Free memory was 138.4 MB in the beginning and 805.0 MB in the end (delta: -666.6 MB). Peak memory consumption was 550.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((((a19 == 8 || a10 == 1) || ((a10 == 3 && 9 <= a19) && a19 <= 9)) || !(9 <= \old(a19))) || ((a10 == 3 && a1 <= 33) && a19 <= 9)) || a10 == 0) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || (a10 == 2 && a19 <= 9)) || (4 <= a10 && a19 <= 9)) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 60.3s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 24.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 354 SDtfs, 4525 SDslu, 407 SDs, 0 SdLazy, 11453 SolverSat, 1305 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2532occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 712 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 277 PreInvPairs, 327 NumberOfFragments, 416 HoareAnnotationTreeSize, 277 FomulaSimplifications, 239104 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 7241 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 32.5s InterpolantComputationTime, 3002 NumberOfCodeBlocks, 3002 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2989 ConstructedInterpolants, 0 QuantifiedInterpolants, 1888746 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 2301/2486 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...