/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:28:36,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:28:36,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:28:36,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:28:36,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:28:36,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:28:36,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:28:36,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:28:36,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:28:36,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:28:36,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:28:36,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:28:36,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:28:36,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:28:36,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:28:36,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:28:36,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:28:36,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:28:36,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:28:36,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:28:36,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:28:36,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:28:36,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:28:36,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:28:36,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:28:36,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:28:36,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:28:36,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:28:36,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:28:36,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:28:36,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:28:36,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:28:36,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:28:36,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:28:36,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:28:36,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:28:36,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:28:36,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:28:36,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:28:36,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:28:36,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:28:36,984 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 [2020-09-21 12:28:37,030 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:28:37,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:28:37,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:28:37,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:28:37,034 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:28:37,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:28:37,034 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:28:37,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:28:37,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:28:37,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:28:37,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:28:37,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:28:37,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:28:37,037 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:28:37,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:28:37,037 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:28:37,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:28:37,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:28:37,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:28:37,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:28:37,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:28:37,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:28:37,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:28:37,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:28:37,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:28:37,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:28:37,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:28:37,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:28:37,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:28:37,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:28:37,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:28:37,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:28:37,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:28:37,510 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:28:37,510 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:28:37,511 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label54.c [2020-09-21 12:28:37,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/856e90d08/28a9b65991aa420d8c62564c3f3a8a6c/FLAG6c0d5186f [2020-09-21 12:28:38,246 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:28:38,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label54.c [2020-09-21 12:28:38,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/856e90d08/28a9b65991aa420d8c62564c3f3a8a6c/FLAG6c0d5186f [2020-09-21 12:28:38,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/856e90d08/28a9b65991aa420d8c62564c3f3a8a6c [2020-09-21 12:28:38,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:28:38,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:28:38,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:28:38,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:28:38,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:28:38,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:28:38" (1/1) ... [2020-09-21 12:28:38,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f78b0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:38, skipping insertion in model container [2020-09-21 12:28:38,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:28:38" (1/1) ... [2020-09-21 12:28:38,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:28:38,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:28:39,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:28:39,167 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:28:39,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:28:39,343 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:28:39,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:39 WrapperNode [2020-09-21 12:28:39,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:28:39,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:28:39,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:28:39,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:28:39,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:39" (1/1) ... [2020-09-21 12:28:39,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:39" (1/1) ... [2020-09-21 12:28:39,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:39" (1/1) ... [2020-09-21 12:28:39,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:39" (1/1) ... [2020-09-21 12:28:39,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:39" (1/1) ... [2020-09-21 12:28:39,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:39" (1/1) ... [2020-09-21 12:28:39,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:39" (1/1) ... [2020-09-21 12:28:39,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:28:39,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:28:39,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:28:39,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:28:39,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:39" (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 [2020-09-21 12:28:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:28:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:28:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:28:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:28:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:28:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:28:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:28:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:28:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:28:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:28:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:28:40,733 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:28:40,734 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:28:40,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:28:40 BoogieIcfgContainer [2020-09-21 12:28:40,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:28:40,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:28:40,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:28:40,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:28:40,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:28:38" (1/3) ... [2020-09-21 12:28:40,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df57da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:28:40, skipping insertion in model container [2020-09-21 12:28:40,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:28:39" (2/3) ... [2020-09-21 12:28:40,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df57da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:28:40, skipping insertion in model container [2020-09-21 12:28:40,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:28:40" (3/3) ... [2020-09-21 12:28:40,759 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label54.c [2020-09-21 12:28:40,772 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:28:40,788 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:28:40,812 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:28:40,858 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:28:40,859 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:28:40,859 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:28:40,859 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:28:40,859 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:28:40,859 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:28:40,860 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:28:40,860 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:28:40,893 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-21 12:28:40,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-21 12:28:40,921 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:40,923 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:40,923 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:40,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:40,933 INFO L82 PathProgramCache]: Analyzing trace with hash -622531154, now seen corresponding path program 1 times [2020-09-21 12:28:40,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:40,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830815909] [2020-09-21 12:28:40,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:41,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:41,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:42,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:42,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 12:28:42,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:42,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-09-21 12:28:42,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:28:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:28:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-21 12:28:42,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:28:42,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:42,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:42,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:42,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:42,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:42,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:28:42,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:42,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:42,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:42,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:28:42,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:28:42,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1830815909] [2020-09-21 12:28:42,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:28:42,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:28:42,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78456722] [2020-09-21 12:28:42,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:28:42,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:42,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:28:42,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:28:42,677 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-09-21 12:28:44,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:44,302 INFO L93 Difference]: Finished difference Result 557 states and 955 transitions. [2020-09-21 12:28:44,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:44,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2020-09-21 12:28:44,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:44,339 INFO L225 Difference]: With dead ends: 557 [2020-09-21 12:28:44,339 INFO L226 Difference]: Without dead ends: 286 [2020-09-21 12:28:44,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:44,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-21 12:28:44,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 282. [2020-09-21 12:28:44,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-09-21 12:28:44,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 374 transitions. [2020-09-21 12:28:44,445 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 374 transitions. Word has length 128 [2020-09-21 12:28:44,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:44,446 INFO L479 AbstractCegarLoop]: Abstraction has 282 states and 374 transitions. [2020-09-21 12:28:44,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:28:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 374 transitions. [2020-09-21 12:28:44,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 12:28:44,451 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:44,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:44,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:28:44,452 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:44,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:44,453 INFO L82 PathProgramCache]: Analyzing trace with hash -690347895, now seen corresponding path program 1 times [2020-09-21 12:28:44,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:44,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121417662] [2020-09-21 12:28:44,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:44,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:44,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:44,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:45,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:45,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-21 12:28:45,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:28:45,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:28:45,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:28:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 12:28:45,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:45,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:45,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:45,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:45,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:45,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:45,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:28:45,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:45,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:45,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:45,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:45,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:45,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:45,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:45,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:28:45,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:45,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:28:45,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:45,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:45,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:45,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:28:45,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:28:45,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2121417662] [2020-09-21 12:28:45,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:45,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:28:45,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709221211] [2020-09-21 12:28:45,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:28:45,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:45,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:28:45,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:28:45,772 INFO L87 Difference]: Start difference. First operand 282 states and 374 transitions. Second operand 5 states. [2020-09-21 12:28:47,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:47,016 INFO L93 Difference]: Finished difference Result 836 states and 1129 transitions. [2020-09-21 12:28:47,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:28:47,017 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-09-21 12:28:47,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:47,024 INFO L225 Difference]: With dead ends: 836 [2020-09-21 12:28:47,025 INFO L226 Difference]: Without dead ends: 560 [2020-09-21 12:28:47,027 INFO L675 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 [2020-09-21 12:28:47,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-09-21 12:28:47,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 556. [2020-09-21 12:28:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-09-21 12:28:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 724 transitions. [2020-09-21 12:28:47,068 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 724 transitions. Word has length 136 [2020-09-21 12:28:47,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:47,069 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 724 transitions. [2020-09-21 12:28:47,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:28:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 724 transitions. [2020-09-21 12:28:47,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-21 12:28:47,074 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:47,075 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:47,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:28:47,075 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:47,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:47,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1619031100, now seen corresponding path program 1 times [2020-09-21 12:28:47,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:47,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75611127] [2020-09-21 12:28:47,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:47,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:47,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:48,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:48,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-09-21 12:28:48,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:48,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-21 12:28:48,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:48,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:48,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:28:48,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 12:28:48,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:48,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:48,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:48,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:48,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:48,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:48,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:28:48,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:48,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:48,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:48,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:48,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:48,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:48,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:28:48,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:48,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:28:48,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:48,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:48,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:48,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:28:48,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:48,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:28:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:48,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:48,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:48,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:28:48,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:48,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 12:28:48,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:48,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:48,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:48,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 12:28:48,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:48,420 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:28:48,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75611127] [2020-09-21 12:28:48,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:48,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:28:48,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672572059] [2020-09-21 12:28:48,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:48,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:48,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:48,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:48,424 INFO L87 Difference]: Start difference. First operand 556 states and 724 transitions. Second operand 7 states. [2020-09-21 12:28:49,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:49,958 INFO L93 Difference]: Finished difference Result 1674 states and 2231 transitions. [2020-09-21 12:28:49,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:28:49,959 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 151 [2020-09-21 12:28:49,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:49,968 INFO L225 Difference]: With dead ends: 1674 [2020-09-21 12:28:49,968 INFO L226 Difference]: Without dead ends: 1124 [2020-09-21 12:28:49,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:28:49,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2020-09-21 12:28:50,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 985. [2020-09-21 12:28:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 985 states. [2020-09-21 12:28:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1264 transitions. [2020-09-21 12:28:50,029 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1264 transitions. Word has length 151 [2020-09-21 12:28:50,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:50,030 INFO L479 AbstractCegarLoop]: Abstraction has 985 states and 1264 transitions. [2020-09-21 12:28:50,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:50,030 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1264 transitions. [2020-09-21 12:28:50,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-21 12:28:50,037 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:50,037 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:50,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:28:50,038 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:50,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:50,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1385069362, now seen corresponding path program 1 times [2020-09-21 12:28:50,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:50,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244130319] [2020-09-21 12:28:50,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:50,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:50,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:51,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:51,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 12:28:51,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:51,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:28:51,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:51,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:51,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 12:28:51,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 12:28:51,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:28:51,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:51,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:51,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:51,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:51,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:51,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:28:51,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:51,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:51,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:51,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:51,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:51,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 12:28:51,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:51,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:28:51,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:51,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:51,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:51,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:28:51,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:51,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:28:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:51,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:51,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:51,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 12:28:51,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:51,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 12:28:51,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:51,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:51,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:51,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 12:28:51,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:51,416 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:28:51,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244130319] [2020-09-21 12:28:51,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:51,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:28:51,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670278266] [2020-09-21 12:28:51,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:51,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:51,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:51,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:51,419 INFO L87 Difference]: Start difference. First operand 985 states and 1264 transitions. Second operand 7 states. [2020-09-21 12:28:53,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:53,187 INFO L93 Difference]: Finished difference Result 2812 states and 3703 transitions. [2020-09-21 12:28:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:28:53,187 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2020-09-21 12:28:53,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:53,196 INFO L225 Difference]: With dead ends: 2812 [2020-09-21 12:28:53,197 INFO L226 Difference]: Without dead ends: 1003 [2020-09-21 12:28:53,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:28:53,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2020-09-21 12:28:53,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 983. [2020-09-21 12:28:53,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 983 states. [2020-09-21 12:28:53,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1162 transitions. [2020-09-21 12:28:53,264 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1162 transitions. Word has length 157 [2020-09-21 12:28:53,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:53,264 INFO L479 AbstractCegarLoop]: Abstraction has 983 states and 1162 transitions. [2020-09-21 12:28:53,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1162 transitions. [2020-09-21 12:28:53,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-21 12:28:53,270 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:53,270 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:53,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:28:53,270 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:53,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:53,271 INFO L82 PathProgramCache]: Analyzing trace with hash 2062902061, now seen corresponding path program 1 times [2020-09-21 12:28:53,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:53,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996945983] [2020-09-21 12:28:53,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:53,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:53,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:54,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:54,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-21 12:28:54,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:28:54,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1048 [2020-09-21 12:28:54,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:28:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:28:54,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:54,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:54,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:54,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:54,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:54,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:54,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:28:54,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:54,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:54,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:54,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:54,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:54,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:54,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:54,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:54,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:28:54,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:54,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 12:28:54,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:54,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:54,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:54,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:28:54,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:28:54,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 12:28:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:54,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:54,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:54,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:28:54,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:54,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 12:28:54,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:54,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-21 12:28:54,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:54,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:28:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:54,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:54,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:54,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:28:54,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:54,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 12:28:54,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:54,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:54,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 12:28:54,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:54,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 49 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-21 12:28:54,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996945983] [2020-09-21 12:28:54,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:54,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:28:54,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509810442] [2020-09-21 12:28:54,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:54,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:54,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:54,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:54,819 INFO L87 Difference]: Start difference. First operand 983 states and 1162 transitions. Second operand 7 states. [2020-09-21 12:28:56,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:56,113 INFO L93 Difference]: Finished difference Result 2820 states and 3495 transitions. [2020-09-21 12:28:56,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:28:56,114 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2020-09-21 12:28:56,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:56,127 INFO L225 Difference]: With dead ends: 2820 [2020-09-21 12:28:56,128 INFO L226 Difference]: Without dead ends: 1843 [2020-09-21 12:28:56,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:28:56,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2020-09-21 12:28:56,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1823. [2020-09-21 12:28:56,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2020-09-21 12:28:56,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2182 transitions. [2020-09-21 12:28:56,210 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2182 transitions. Word has length 177 [2020-09-21 12:28:56,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:56,211 INFO L479 AbstractCegarLoop]: Abstraction has 1823 states and 2182 transitions. [2020-09-21 12:28:56,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:56,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2182 transitions. [2020-09-21 12:28:56,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-21 12:28:56,218 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:56,218 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:56,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:28:56,218 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:56,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:56,219 INFO L82 PathProgramCache]: Analyzing trace with hash -920028558, now seen corresponding path program 1 times [2020-09-21 12:28:56,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:56,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461874675] [2020-09-21 12:28:56,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:56,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:56,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:56,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:57,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:57,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-21 12:28:57,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:28:57,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:28:57,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:57,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-09-21 12:28:57,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 12:28:57,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:57,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:28:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:57,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:57,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:57,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:28:57,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:57,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:28:57,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:57,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:28:57,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:57,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:28:57,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:57,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:28:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:57,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:57,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:57,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 12:28:57,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:57,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-21 12:28:57,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:57,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:28:57,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:28:57,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 12:28:57,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:28:57,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:28:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:57,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:57,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:28:57,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:28:57,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:28:57,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 12:28:57,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:28:57,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:28:57,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:28:57,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 12:28:57,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:28:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:28:57,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461874675] [2020-09-21 12:28:57,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:28:57,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:28:57,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510663210] [2020-09-21 12:28:57,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:28:57,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:28:57,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:28:57,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:28:57,682 INFO L87 Difference]: Start difference. First operand 1823 states and 2182 transitions. Second operand 7 states. [2020-09-21 12:28:59,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:28:59,226 INFO L93 Difference]: Finished difference Result 4262 states and 5456 transitions. [2020-09-21 12:28:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:28:59,227 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-09-21 12:28:59,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:28:59,245 INFO L225 Difference]: With dead ends: 4262 [2020-09-21 12:28:59,249 INFO L226 Difference]: Without dead ends: 2580 [2020-09-21 12:28:59,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:28:59,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2020-09-21 12:28:59,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 2107. [2020-09-21 12:28:59,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2107 states. [2020-09-21 12:28:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 2509 transitions. [2020-09-21 12:28:59,346 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 2509 transitions. Word has length 176 [2020-09-21 12:28:59,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:28:59,346 INFO L479 AbstractCegarLoop]: Abstraction has 2107 states and 2509 transitions. [2020-09-21 12:28:59,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:28:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2509 transitions. [2020-09-21 12:28:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-21 12:28:59,353 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:28:59,353 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:28:59,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:28:59,354 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:28:59,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:28:59,354 INFO L82 PathProgramCache]: Analyzing trace with hash -513811745, now seen corresponding path program 1 times [2020-09-21 12:28:59,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:28:59,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [79655164] [2020-09-21 12:28:59,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:28:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:28:59,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:59,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:28:59,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:00,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:00,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-21 12:29:00,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:29:00,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:29:00,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 12:29:00,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-21 12:29:00,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:00,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:00,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:00,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:00,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:00,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:00,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:29:00,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:00,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:00,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:00,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:00,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:00,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-21 12:29:00,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:00,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:29:00,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:00,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:00,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:00,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:29:00,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:00,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-21 12:29:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:00,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:00,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:00,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:29:00,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:00,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-21 12:29:00,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:29:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-21 12:29:00,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:00,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 12:29:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:00,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:00,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:00,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:29:00,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:00,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 12:29:00,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:00,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 12:29:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:00,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:00,904 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 96 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-21 12:29:00,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [79655164] [2020-09-21 12:29:00,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:00,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:29:00,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870914880] [2020-09-21 12:29:00,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:29:00,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:01,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:29:01,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:29:01,000 INFO L87 Difference]: Start difference. First operand 2107 states and 2509 transitions. Second operand 7 states. [2020-09-21 12:29:02,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:02,497 INFO L93 Difference]: Finished difference Result 4220 states and 5077 transitions. [2020-09-21 12:29:02,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:29:02,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-09-21 12:29:02,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:02,509 INFO L225 Difference]: With dead ends: 4220 [2020-09-21 12:29:02,509 INFO L226 Difference]: Without dead ends: 2254 [2020-09-21 12:29:02,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:29:02,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2020-09-21 12:29:02,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2252. [2020-09-21 12:29:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2252 states. [2020-09-21 12:29:02,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 2252 states and 2652 transitions. [2020-09-21 12:29:02,598 INFO L78 Accepts]: Start accepts. Automaton has 2252 states and 2652 transitions. Word has length 213 [2020-09-21 12:29:02,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:02,600 INFO L479 AbstractCegarLoop]: Abstraction has 2252 states and 2652 transitions. [2020-09-21 12:29:02,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:29:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 2652 transitions. [2020-09-21 12:29:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-21 12:29:02,611 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:02,611 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:02,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:29:02,612 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:02,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:02,612 INFO L82 PathProgramCache]: Analyzing trace with hash 924041731, now seen corresponding path program 1 times [2020-09-21 12:29:02,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:02,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775670114] [2020-09-21 12:29:02,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:02,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:02,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:02,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:03,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:03,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-21 12:29:03,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:29:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1068 [2020-09-21 12:29:03,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:03,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:03,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-09-21 12:29:03,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-21 12:29:03,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:03,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:03,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:03,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:03,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:03,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:03,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:29:03,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:03,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:03,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:03,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:03,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:03,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:03,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:03,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:03,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 12:29:03,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:03,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 12:29:03,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:03,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:03,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 12:29:03,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:29:04,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:29:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:04,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:04,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:04,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:29:04,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:04,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-21 12:29:04,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:04,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:29:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-21 12:29:04,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:04,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 12:29:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:04,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:04,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:04,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:29:04,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:04,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:29:04,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 12:29:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:04,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 124 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-21 12:29:04,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775670114] [2020-09-21 12:29:04,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:04,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:29:04,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77504699] [2020-09-21 12:29:04,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:29:04,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:04,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:29:04,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:29:04,284 INFO L87 Difference]: Start difference. First operand 2252 states and 2652 transitions. Second operand 7 states. [2020-09-21 12:29:05,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:05,744 INFO L93 Difference]: Finished difference Result 5299 states and 6532 transitions. [2020-09-21 12:29:05,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:29:05,745 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 227 [2020-09-21 12:29:05,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:05,766 INFO L225 Difference]: With dead ends: 5299 [2020-09-21 12:29:05,767 INFO L226 Difference]: Without dead ends: 3188 [2020-09-21 12:29:05,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:29:05,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2020-09-21 12:29:05,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 3092. [2020-09-21 12:29:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3092 states. [2020-09-21 12:29:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 3564 transitions. [2020-09-21 12:29:05,880 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 3564 transitions. Word has length 227 [2020-09-21 12:29:05,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:05,881 INFO L479 AbstractCegarLoop]: Abstraction has 3092 states and 3564 transitions. [2020-09-21 12:29:05,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:29:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 3564 transitions. [2020-09-21 12:29:05,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-09-21 12:29:05,893 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:05,894 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:05,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:29:05,895 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:05,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:05,895 INFO L82 PathProgramCache]: Analyzing trace with hash -299909369, now seen corresponding path program 1 times [2020-09-21 12:29:05,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:05,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752726255] [2020-09-21 12:29:05,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:06,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:06,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:07,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:07,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-21 12:29:07,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:07,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1029 [2020-09-21 12:29:07,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-09-21 12:29:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 12:29:07,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:07,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:07,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:07,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:07,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:07,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:07,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:29:07,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:07,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:07,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:07,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:07,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:07,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:07,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 12:29:07,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:07,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:29:07,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:07,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:07,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:07,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:07,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:07,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 12:29:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:07,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:07,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:07,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:29:07,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-21 12:29:07,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 12:29:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:07,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-21 12:29:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:07,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:07,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:07,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:29:07,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:07,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 12:29:07,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:07,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:07,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:29:07,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 12:29:07,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 149 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-09-21 12:29:07,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752726255] [2020-09-21 12:29:07,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:07,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 12:29:07,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031090629] [2020-09-21 12:29:07,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:29:07,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:07,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:29:07,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:29:07,579 INFO L87 Difference]: Start difference. First operand 3092 states and 3564 transitions. Second operand 8 states. [2020-09-21 12:29:09,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:09,368 INFO L93 Difference]: Finished difference Result 6045 states and 6975 transitions. [2020-09-21 12:29:09,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:29:09,369 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2020-09-21 12:29:09,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:09,384 INFO L225 Difference]: With dead ends: 6045 [2020-09-21 12:29:09,384 INFO L226 Difference]: Without dead ends: 3094 [2020-09-21 12:29:09,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:29:09,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3094 states. [2020-09-21 12:29:09,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3094 to 3092. [2020-09-21 12:29:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3092 states. [2020-09-21 12:29:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 3517 transitions. [2020-09-21 12:29:09,474 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 3517 transitions. Word has length 257 [2020-09-21 12:29:09,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:09,475 INFO L479 AbstractCegarLoop]: Abstraction has 3092 states and 3517 transitions. [2020-09-21 12:29:09,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:29:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 3517 transitions. [2020-09-21 12:29:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-09-21 12:29:09,484 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:09,485 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:09,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:29:09,485 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:09,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:09,485 INFO L82 PathProgramCache]: Analyzing trace with hash -287056702, now seen corresponding path program 1 times [2020-09-21 12:29:09,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:09,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184246958] [2020-09-21 12:29:09,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:09,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:09,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:10,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:10,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-21 12:29:10,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:10,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1031 [2020-09-21 12:29:10,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:10,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:10,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 159 [2020-09-21 12:29:10,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 12:29:10,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:10,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:10,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:10,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:10,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:10,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:10,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:29:10,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:10,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:10,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:10,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:10,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:10,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:10,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 12:29:10,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:10,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:29:10,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:10,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:10,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:10,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:10,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:10,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 12:29:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:10,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:10,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:10,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:29:10,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:10,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:29:10,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:10,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:10,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:10,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-21 12:29:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:10,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:10,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:10,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:29:10,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:10,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:29:10,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:10,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:10,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:10,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-21 12:29:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:10,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:10,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:10,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:29:10,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:10,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 12:29:10,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:10,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:10,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:29:10,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:11,124 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 135 proven. 4 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-09-21 12:29:11,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184246958] [2020-09-21 12:29:11,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:11,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:29:11,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425371767] [2020-09-21 12:29:11,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:29:11,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:11,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:29:11,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:29:11,128 INFO L87 Difference]: Start difference. First operand 3092 states and 3517 transitions. Second operand 5 states. [2020-09-21 12:29:12,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:12,289 INFO L93 Difference]: Finished difference Result 5489 states and 6261 transitions. [2020-09-21 12:29:12,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:12,290 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 270 [2020-09-21 12:29:12,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:12,305 INFO L225 Difference]: With dead ends: 5489 [2020-09-21 12:29:12,305 INFO L226 Difference]: Without dead ends: 2538 [2020-09-21 12:29:12,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:12,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2020-09-21 12:29:12,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2534. [2020-09-21 12:29:12,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2534 states. [2020-09-21 12:29:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 2770 transitions. [2020-09-21 12:29:12,397 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 2770 transitions. Word has length 270 [2020-09-21 12:29:12,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:12,398 INFO L479 AbstractCegarLoop]: Abstraction has 2534 states and 2770 transitions. [2020-09-21 12:29:12,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:29:12,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2770 transitions. [2020-09-21 12:29:12,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-09-21 12:29:12,416 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:29:12,416 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:29:12,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:29:12,417 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:29:12,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:29:12,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1119690399, now seen corresponding path program 1 times [2020-09-21 12:29:12,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:29:12,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748956518] [2020-09-21 12:29:12,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:29:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:12,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:12,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:13,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:13,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-09-21 12:29:13,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:29:13,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1042 [2020-09-21 12:29:13,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:13,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:29:13,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-09-21 12:29:13,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 12:29:13,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:29:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:13,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:13,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:13,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:29:13,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:13,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:29:13,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:13,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:13,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:13,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:13,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:29:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:13,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:13,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:13,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 12:29:13,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:13,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 12:29:13,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:13,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:13,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:13,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 12:29:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:13,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:13,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:13,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:29:13,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:13,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:29:13,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:13,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:13,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-21 12:29:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:13,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:13,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:13,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:29:13,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:13,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:29:13,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:13,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:13,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-21 12:29:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:13,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:13,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:13,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:29:13,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:13,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:29:13,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:29:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:13,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:29:13,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:29:13,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-21 12:29:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:29:14,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:29:14,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:29:14,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 12:29:14,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:29:14,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-21 12:29:14,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:29:14,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:29:14,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:29:14,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 12:29:14,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:29:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 204 proven. 5 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2020-09-21 12:29:14,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748956518] [2020-09-21 12:29:14,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:29:14,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:29:14,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126705569] [2020-09-21 12:29:14,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:29:14,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:29:14,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:29:14,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:29:14,298 INFO L87 Difference]: Start difference. First operand 2534 states and 2770 transitions. Second operand 6 states. [2020-09-21 12:29:15,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:29:15,345 INFO L93 Difference]: Finished difference Result 4929 states and 5396 transitions. [2020-09-21 12:29:15,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:29:15,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 340 [2020-09-21 12:29:15,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:29:15,348 INFO L225 Difference]: With dead ends: 4929 [2020-09-21 12:29:15,348 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:29:15,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:29:15,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:29:15,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:29:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:29:15,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:29:15,358 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 340 [2020-09-21 12:29:15,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:29:15,358 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:29:15,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:29:15,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:29:15,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:29:15,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 12:29:15,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:29:16,796 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 194 [2020-09-21 12:29:17,256 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 194 [2020-09-21 12:29:19,269 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 158 DAG size of output: 97 [2020-09-21 12:29:20,923 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 185 DAG size of output: 81 [2020-09-21 12:29:22,642 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 185 DAG size of output: 81 [2020-09-21 12:29:22,646 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:29:22,647 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-09-21 12:29:22,647 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:29:22,647 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-21 12:29:22,647 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-21 12:29:22,647 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,647 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,648 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,648 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,648 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,648 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,650 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-21 12:29:22,650 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-21 12:29:22,650 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-21 12:29:22,650 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-21 12:29:22,650 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-21 12:29:22,650 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 12:29:22,650 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-21 12:29:22,650 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-21 12:29:22,650 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-21 12:29:22,650 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-21 12:29:22,651 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,651 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,651 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,651 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,651 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,651 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,651 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-21 12:29:22,651 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-21 12:29:22,652 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-21 12:29:22,652 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-21 12:29:22,652 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-21 12:29:22,652 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 12:29:22,652 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-21 12:29:22,652 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-21 12:29:22,652 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-21 12:29:22,652 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-21 12:29:22,652 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-21 12:29:22,652 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 542) no Hoare annotation was computed. [2020-09-21 12:29:22,652 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-21 12:29:22,653 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-21 12:29:22,653 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-21 12:29:22,653 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-21 12:29:22,653 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,653 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,653 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,653 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,653 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,653 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-21 12:29:22,653 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-21 12:29:22,653 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 12:29:22,654 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-21 12:29:22,654 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-21 12:29:22,654 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-21 12:29:22,654 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-21 12:29:22,654 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-21 12:29:22,654 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-21 12:29:22,654 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,654 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,654 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,654 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,655 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,655 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-21 12:29:22,655 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-21 12:29:22,655 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-21 12:29:22,655 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-21 12:29:22,655 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 12:29:22,655 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-21 12:29:22,655 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-21 12:29:22,656 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-21 12:29:22,656 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-21 12:29:22,656 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-21 12:29:22,656 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-21 12:29:22,656 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-21 12:29:22,656 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-21 12:29:22,656 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,656 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,657 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,657 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,657 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,657 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-21 12:29:22,657 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-21 12:29:22,657 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-21 12:29:22,657 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-21 12:29:22,657 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-21 12:29:22,657 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-21 12:29:22,658 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-21 12:29:22,659 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-21 12:29:22,659 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-21 12:29:22,659 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-21 12:29:22,659 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-21 12:29:22,659 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-21 12:29:22,659 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-21 12:29:22,659 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-21 12:29:22,659 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-21 12:29:22,659 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-21 12:29:22,659 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-21 12:29:22,659 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-21 12:29:22,660 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,660 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,660 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,660 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,660 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,660 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-21 12:29:22,660 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-21 12:29:22,660 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-21 12:29:22,661 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 12:29:22,661 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 12:29:22,661 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 12:29:22,661 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-21 12:29:22,661 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-21 12:29:22,661 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,661 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,661 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,661 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,662 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,662 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-21 12:29:22,662 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-21 12:29:22,662 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-21 12:29:22,662 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-21 12:29:22,662 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-21 12:29:22,662 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-21 12:29:22,662 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 12:29:22,662 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 12:29:22,663 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-21 12:29:22,663 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-21 12:29:22,663 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse4 (= ~a8~0 |old(~a8~0)|))) (let ((.cse5 (= ~a16~0 4)) (.cse13 (not (<= |old(~a21~0)| |old(~a17~0)|))) (.cse15 (not (<= |old(~a17~0)| |old(~a21~0)|))) (.cse8 (not (= 4 |old(~a16~0)|))) (.cse16 (not (<= 1 |old(~a17~0)|))) (.cse24 (not (= |old(~a7~0)| 1))) (.cse23 (and .cse1 (<= 1 ~a17~0) .cse2 .cse3 .cse14 .cse4 (<= ~a17~0 1))) (.cse19 (not (= |old(~a17~0)| |old(~a21~0)|))) (.cse17 (not (<= |old(~a17~0)| 1))) (.cse20 (= ~a21~0 ~a17~0)) (.cse21 (= ~a8~0 15)) (.cse6 (not (= 0 |old(~a20~0)|))) (.cse18 (not (<= 6 |old(~a16~0)|))) (.cse22 (not (= 15 |old(~a8~0)|))) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= ~a21~0 ~a20~0)) (.cse9 (= 5 ~a16~0)) (.cse7 (not (<= |old(~a17~0)| 0))) (.cse12 (not (= |old(~a20~0)| |old(~a21~0)|))) (.cse10 (not (= 5 |old(~a16~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9) .cse6 .cse7 .cse10) (or .cse7 (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse11) .cse12 .cse8) (or .cse13 (and .cse1 .cse0 .cse3 .cse14 .cse4 .cse11) .cse15 .cse16 .cse12 .cse17 .cse18) (or .cse19 .cse6 .cse17 .cse10 (and .cse1 .cse0 .cse20 .cse3 .cse21 .cse9) .cse22) (or .cse13 .cse15 .cse6 .cse17 .cse18 .cse22 (and .cse1 .cse0 .cse3 (<= ~a17~0 ~a21~0) .cse14 (<= ~a21~0 ~a17~0) .cse21)) (or (and .cse0 .cse1 .cse3 .cse14 .cse21 .cse11) .cse7 .cse12 .cse18 .cse22) (or (and (or .cse16 .cse12 .cse17 .cse8) (or .cse16 .cse17 .cse22 .cse8)) .cse23) (or .cse24 (and .cse0 .cse1 .cse2 .cse3 .cse14 .cse4) .cse7) (or (and .cse0 .cse1 (= ~a21~0 ~a7~0) .cse3 .cse14 .cse4) (not (= |old(~a7~0)| |old(~a21~0)|))) (or .cse16 .cse24 .cse17 .cse23) (or .cse19 .cse12 .cse17 .cse10 (and .cse1 .cse20 .cse3 .cse4 .cse11 .cse9)) (or (and .cse0 .cse1 .cse2 .cse3 .cse14 .cse21) .cse6 .cse7 .cse18 .cse22) (or (and .cse0 .cse1 .cse3 .cse4 .cse11 .cse9) .cse7 .cse12 .cse10)))) [2020-09-21 12:29:22,663 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-21 12:29:22,663 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,664 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,664 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,664 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,664 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-21 12:29:22,664 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,664 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,664 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-21 12:29:22,664 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-21 12:29:22,665 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-21 12:29:22,665 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-21 12:29:22,665 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-21 12:29:22,665 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 12:29:22,665 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 12:29:22,665 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-21 12:29:22,665 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-21 12:29:22,665 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-21 12:29:22,665 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-21 12:29:22,665 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-21 12:29:22,666 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,666 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,666 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,666 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,666 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,666 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-21 12:29:22,666 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,666 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-21 12:29:22,666 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-21 12:29:22,667 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 12:29:22,667 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-21 12:29:22,667 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-21 12:29:22,667 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 12:29:22,667 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-21 12:29:22,667 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-21 12:29:22,667 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-21 12:29:22,667 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-21 12:29:22,668 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-21 12:29:22,668 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-21 12:29:22,668 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-21 12:29:22,668 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-21 12:29:22,668 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,668 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,668 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,668 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,669 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,669 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 12:29:22,669 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-21 12:29:22,669 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-21 12:29:22,669 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-21 12:29:22,669 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 12:29:22,669 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 12:29:22,669 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-21 12:29:22,669 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 12:29:22,669 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-21 12:29:22,670 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-21 12:29:22,670 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-21 12:29:22,670 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:29:22,670 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~a17~0) (= ~a21~0 ~a17~0) (= ~a8~0 15) (= ~a21~0 ~a20~0) (<= ~a17~0 1) (= 5 ~a16~0)) [2020-09-21 12:29:22,670 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:29:22,670 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:29:22,670 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| |old(~a21~0)|)) (not (<= 1 |old(~a17~0)|)) (not (= |old(~a20~0)| |old(~a21~0)|)) (not (<= |old(~a17~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a21~0 ~a17~0) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 15) (= ~a21~0 ~a20~0) (= 5 ~a16~0))) [2020-09-21 12:29:22,670 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-21 12:29:22,671 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (= ~a16~0 4)) (.cse6 (<= 1 ~a17~0)) (.cse1 (= ~a21~0 ~a20~0)) (.cse10 (<= ~a17~0 ~a21~0)) (.cse11 (<= ~a21~0 ~a17~0)) (.cse2 (<= ~a17~0 1)) (.cse8 (= 5 ~a16~0)) (.cse0 (or (<= (+ |old(~a21~0)| 1) |old(~a7~0)|) (<= (+ |old(~a7~0)| 1) |old(~a21~0)|))) (.cse4 (= ~a20~0 0)) (.cse9 (<= 6 ~a16~0)) (.cse5 (<= ~a17~0 0)) (.cse7 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~a21~0 ~a7~0)) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse6 .cse7 .cse2 .cse3) (not (<= 1 |old(~a17~0)|)) (and .cse0 .cse4 (= ~a21~0 ~a17~0) .cse7 .cse2 .cse8) (not (<= |old(~a17~0)| 1)) (and .cse0 .cse5 .cse1 .cse8) (and .cse0 .cse9 .cse5 .cse7 .cse1) (and .cse0 (= ~a7~0 1) .cse2) (not (= |old(~a17~0)| |old(~a21~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) .cse1 .cse8) (and .cse0 .cse6 .cse9 .cse10 .cse11 .cse1 .cse2) (and .cse0 .cse4 .cse9 .cse10 .cse11 .cse7 .cse2) (not (= |old(~a20~0)| |old(~a21~0)|)) (and .cse0 .cse4 .cse5 .cse8) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse0 .cse4 .cse9 .cse5 .cse7))) [2020-09-21 12:29:22,671 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-21 12:29:22,671 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-21 12:29:22,671 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (= ~a16~0 4)) (.cse6 (<= 1 ~a17~0)) (.cse1 (= ~a21~0 ~a20~0)) (.cse10 (<= ~a17~0 ~a21~0)) (.cse11 (<= ~a21~0 ~a17~0)) (.cse2 (<= ~a17~0 1)) (.cse8 (= 5 ~a16~0)) (.cse0 (or (<= (+ |old(~a21~0)| 1) |old(~a7~0)|) (<= (+ |old(~a7~0)| 1) |old(~a21~0)|))) (.cse4 (= ~a20~0 0)) (.cse9 (<= 6 ~a16~0)) (.cse5 (<= ~a17~0 0)) (.cse7 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~a21~0 ~a7~0)) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse6 .cse7 .cse2 .cse3) (not (<= 1 |old(~a17~0)|)) (and .cse0 .cse4 (= ~a21~0 ~a17~0) .cse7 .cse2 .cse8) (not (<= |old(~a17~0)| 1)) (and .cse0 .cse5 .cse1 .cse8) (and .cse0 .cse9 .cse5 .cse7 .cse1) (and .cse0 (= ~a7~0 1) .cse2) (not (= |old(~a17~0)| |old(~a21~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) .cse1 .cse8) (and .cse0 .cse6 .cse9 .cse10 .cse11 .cse1 .cse2) (and .cse0 .cse4 .cse9 .cse10 .cse11 .cse7 .cse2) (not (= |old(~a20~0)| |old(~a21~0)|)) (and .cse0 .cse4 .cse5 .cse8) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse0 .cse4 .cse9 .cse5 .cse7))) [2020-09-21 12:29:22,671 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-21 12:29:22,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:29:22 BoogieIcfgContainer [2020-09-21 12:29:22,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:29:22,704 INFO L168 Benchmark]: Toolchain (without parser) took 44216.79 ms. Allocated memory was 141.0 MB in the beginning and 766.0 MB in the end (delta: 625.0 MB). Free memory was 101.7 MB in the beginning and 653.5 MB in the end (delta: -551.9 MB). Peak memory consumption was 641.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:22,704 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:29:22,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.52 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 101.0 MB in the beginning and 172.1 MB in the end (delta: -71.1 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:22,706 INFO L168 Benchmark]: Boogie Preprocessor took 105.13 ms. Allocated memory is still 206.6 MB. Free memory was 172.1 MB in the beginning and 167.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:22,707 INFO L168 Benchmark]: RCFGBuilder took 1295.76 ms. Allocated memory was 206.6 MB in the beginning and 238.6 MB in the end (delta: 32.0 MB). Free memory was 167.3 MB in the beginning and 178.9 MB in the end (delta: -11.5 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:22,708 INFO L168 Benchmark]: TraceAbstraction took 41953.27 ms. Allocated memory was 238.6 MB in the beginning and 766.0 MB in the end (delta: 527.4 MB). Free memory was 178.9 MB in the beginning and 653.5 MB in the end (delta: -474.7 MB). Peak memory consumption was 620.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:29:22,711 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 852.52 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 101.0 MB in the beginning and 172.1 MB in the end (delta: -71.1 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.13 ms. Allocated memory is still 206.6 MB. Free memory was 172.1 MB in the beginning and 167.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1295.76 ms. Allocated memory was 206.6 MB in the beginning and 238.6 MB in the end (delta: 32.0 MB). Free memory was 167.3 MB in the beginning and 178.9 MB in the end (delta: -11.5 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41953.27 ms. Allocated memory was 238.6 MB in the beginning and 766.0 MB in the end (delta: 527.4 MB). Free memory was 178.9 MB in the beginning and 653.5 MB in the end (delta: -474.7 MB). Peak memory consumption was 620.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 542]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((\old(a21) + 1 <= \old(a7) || \old(a7) + 1 <= \old(a21)) && a21 == a20) && a17 <= 1) && a16 == 4) || ((\old(a21) + 1 <= \old(a7) || \old(a7) + 1 <= \old(a21)) && a21 == a7)) || ((((\old(a21) + 1 <= \old(a7) || \old(a7) + 1 <= \old(a21)) && a20 == 0) && a17 <= 0) && a16 == 4)) || (((((\old(a21) + 1 <= \old(a7) || \old(a7) + 1 <= \old(a21)) && 1 <= a17) && a8 == 15) && a17 <= 1) && a16 == 4)) || !(1 <= \old(a17))) || ((((((\old(a21) + 1 <= \old(a7) || \old(a7) + 1 <= \old(a21)) && a20 == 0) && a21 == a17) && a8 == 15) && a17 <= 1) && 5 == a16)) || !(\old(a17) <= 1)) || ((((\old(a21) + 1 <= \old(a7) || \old(a7) + 1 <= \old(a21)) && a17 <= 0) && a21 == a20) && 5 == a16)) || (((((\old(a21) + 1 <= \old(a7) || \old(a7) + 1 <= \old(a21)) && 6 <= a16) && a17 <= 0) && a8 == 15) && a21 == a20)) || (((\old(a21) + 1 <= \old(a7) || \old(a7) + 1 <= \old(a21)) && a7 == 1) && a17 <= 1)) || !(\old(a17) == \old(a21))) || (((((a7 == \old(a7) && a17 == \old(a17)) && a20 == \old(a20)) && a8 == \old(a8)) && a21 == a20) && 5 == a16)) || (((((((\old(a21) + 1 <= \old(a7) || \old(a7) + 1 <= \old(a21)) && 1 <= a17) && 6 <= a16) && a17 <= a21) && a21 <= a17) && a21 == a20) && a17 <= 1)) || (((((((\old(a21) + 1 <= \old(a7) || \old(a7) + 1 <= \old(a21)) && a20 == 0) && 6 <= a16) && a17 <= a21) && a21 <= a17) && a8 == 15) && a17 <= 1)) || !(\old(a20) == \old(a21))) || ((((\old(a21) + 1 <= \old(a7) || \old(a7) + 1 <= \old(a21)) && a20 == 0) && a17 <= 0) && 5 == a16)) || !(5 == \old(a16))) || !(15 == \old(a8))) || (((((\old(a21) + 1 <= \old(a7) || \old(a7) + 1 <= \old(a21)) && a20 == 0) && 6 <= a16) && a17 <= 0) && a8 == 15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.5s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 3932 SDslu, 376 SDs, 0 SdLazy, 8432 SolverSat, 1101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 109 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3092occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 764 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 152 PreInvPairs, 202 NumberOfFragments, 1275 HoareAnnotationTreeSize, 152 FomulaSimplifications, 37725 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7125 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 15.3s InterpolantComputationTime, 2232 NumberOfCodeBlocks, 2232 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2221 ConstructedInterpolants, 0 QuantifiedInterpolants, 1173270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 1320/1380 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...