/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:49:51,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:49:51,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:49:51,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:49:51,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:49:51,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:49:51,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:49:51,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:49:51,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:49:51,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:49:51,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:49:51,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:49:51,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:49:51,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:49:51,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:49:51,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:49:51,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:49:51,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:49:51,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:49:51,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:49:51,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:49:51,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:49:51,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:49:51,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:49:51,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:49:51,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:49:51,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:49:51,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:49:51,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:49:51,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:49:51,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:49:51,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:49:51,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:49:51,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:49:51,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:49:51,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:49:51,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:49:51,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:49:51,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:49:51,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:49:51,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:49:51,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:49:51,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:49:51,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:49:51,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:49:51,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:49:51,233 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:49:51,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:49:51,234 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:49:51,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:49:51,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:49:51,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:49:51,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:49:51,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:49:51,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:49:51,236 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:49:51,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:49:51,237 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:49:51,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:49:51,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:49:51,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:49:51,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:49:51,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:49:51,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:49:51,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:49:51,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:49:51,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:49:51,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:49:51,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:49:51,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:49:51,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:49:51,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:49:51,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:49:51,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:49:51,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:49:51,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:49:51,757 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:49:51,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label54.c [2020-10-27 15:49:51,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1247b53e/b1e17370d2c44a6986ebf1b709b3debc/FLAG07994f519 [2020-10-27 15:49:52,763 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:49:52,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label54.c [2020-10-27 15:49:52,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1247b53e/b1e17370d2c44a6986ebf1b709b3debc/FLAG07994f519 [2020-10-27 15:49:52,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1247b53e/b1e17370d2c44a6986ebf1b709b3debc [2020-10-27 15:49:52,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:49:52,876 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:49:52,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:49:52,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:49:52,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:49:52,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:49:52" (1/1) ... [2020-10-27 15:49:52,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad199fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:49:52, skipping insertion in model container [2020-10-27 15:49:52,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:49:52" (1/1) ... [2020-10-27 15:49:52,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:49:52,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:49:53,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:49:53,718 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:49:54,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:49:54,084 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:49:54,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:49:54 WrapperNode [2020-10-27 15:49:54,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:49:54,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:49:54,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:49:54,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:49:54,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:49:54" (1/1) ... [2020-10-27 15:49:54,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:49:54" (1/1) ... [2020-10-27 15:49:54,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:49:54" (1/1) ... [2020-10-27 15:49:54,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:49:54" (1/1) ... [2020-10-27 15:49:54,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:49:54" (1/1) ... [2020-10-27 15:49:54,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:49:54" (1/1) ... [2020-10-27 15:49:54,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:49:54" (1/1) ... [2020-10-27 15:49:54,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:49:54,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:49:54,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:49:54,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:49:54,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:49:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:49:54,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:49:54,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:49:54,402 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:49:54,403 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:49:54,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:49:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:49:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:49:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:49:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:49:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:49:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:49:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:49:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:49:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:49:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:49:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:49:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:49:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:49:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:49:57,037 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:49:57,038 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:49:57,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:49:57 BoogieIcfgContainer [2020-10-27 15:49:57,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:49:57,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:49:57,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:49:57,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:49:57,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:49:52" (1/3) ... [2020-10-27 15:49:57,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e7b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:49:57, skipping insertion in model container [2020-10-27 15:49:57,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:49:54" (2/3) ... [2020-10-27 15:49:57,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e7b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:49:57, skipping insertion in model container [2020-10-27 15:49:57,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:49:57" (3/3) ... [2020-10-27 15:49:57,050 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label54.c [2020-10-27 15:49:57,062 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:49:57,068 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:49:57,082 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:49:57,113 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:49:57,114 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:49:57,114 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:49:57,114 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:49:57,114 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:49:57,114 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:49:57,115 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:49:57,115 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:49:57,140 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-10-27 15:49:57,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-27 15:49:57,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:49:57,160 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:49:57,160 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:49:57,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:49:57,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2032095324, now seen corresponding path program 1 times [2020-10-27 15:49:57,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:49:57,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610494934] [2020-10-27 15:49:57,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:49:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:49:57,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:49:58,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:01,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:01,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 15:50:01,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:50:01,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4329 [2020-10-27 15:50:01,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:01,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 15:50:01,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:50:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-27 15:50:01,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 15:50:02,493 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:50:02,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:50:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:02,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:02,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:02,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:50:02,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:02,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 15:50:02,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:02,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:50:02,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:02,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:50:02,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:02,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:50:02,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610494934] [2020-10-27 15:50:02,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:50:02,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 15:50:02,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707825125] [2020-10-27 15:50:02,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 15:50:02,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:50:02,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 15:50:02,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 15:50:02,688 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 4 states. [2020-10-27 15:50:03,035 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-27 15:50:06,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:50:06,919 INFO L93 Difference]: Finished difference Result 867 states and 1520 transitions. [2020-10-27 15:50:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:50:06,921 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2020-10-27 15:50:06,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:50:06,941 INFO L225 Difference]: With dead ends: 867 [2020-10-27 15:50:06,942 INFO L226 Difference]: Without dead ends: 475 [2020-10-27 15:50:06,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:50:06,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2020-10-27 15:50:07,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 467. [2020-10-27 15:50:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-10-27 15:50:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 719 transitions. [2020-10-27 15:50:07,058 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 719 transitions. Word has length 173 [2020-10-27 15:50:07,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:50:07,060 INFO L481 AbstractCegarLoop]: Abstraction has 467 states and 719 transitions. [2020-10-27 15:50:07,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 15:50:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 719 transitions. [2020-10-27 15:50:07,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-27 15:50:07,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:50:07,068 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:50:07,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:50:07,069 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:50:07,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:50:07,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1060454672, now seen corresponding path program 1 times [2020-10-27 15:50:07,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:50:07,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110091559] [2020-10-27 15:50:07,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:50:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:07,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:07,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:08,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:08,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:08,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:10,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:10,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 15:50:10,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:50:10,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3072 [2020-10-27 15:50:10,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:10,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:50:10,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 15:50:10,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-27 15:50:10,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:50:10,667 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:50:10,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:50:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:10,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:10,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:10,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:50:10,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:10,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:50:10,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:10,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:50:10,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:50:10,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:10,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:50:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:10,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:10,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:10,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:10,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 15:50:10,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:50:10,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 15:50:10,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:50:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 15:50:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:50:10,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:50:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:50:10,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110091559] [2020-10-27 15:50:10,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:50:10,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:50:10,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87128569] [2020-10-27 15:50:10,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:50:10,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:50:10,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:50:10,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:50:10,922 INFO L87 Difference]: Start difference. First operand 467 states and 719 transitions. Second operand 6 states. [2020-10-27 15:50:11,177 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:50:13,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:50:13,380 INFO L93 Difference]: Finished difference Result 932 states and 1442 transitions. [2020-10-27 15:50:13,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:50:13,386 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2020-10-27 15:50:13,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:50:13,390 INFO L225 Difference]: With dead ends: 932 [2020-10-27 15:50:13,390 INFO L226 Difference]: Without dead ends: 471 [2020-10-27 15:50:13,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:50:13,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-10-27 15:50:13,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 467. [2020-10-27 15:50:13,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-10-27 15:50:13,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 718 transitions. [2020-10-27 15:50:13,466 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 718 transitions. Word has length 183 [2020-10-27 15:50:13,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:50:13,466 INFO L481 AbstractCegarLoop]: Abstraction has 467 states and 718 transitions. [2020-10-27 15:50:13,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:50:13,467 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 718 transitions. [2020-10-27 15:50:13,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-27 15:50:13,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:50:13,473 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:50:13,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:50:13,474 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:50:13,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:50:13,479 INFO L82 PathProgramCache]: Analyzing trace with hash 308005938, now seen corresponding path program 1 times [2020-10-27 15:50:13,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:50:13,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033465399] [2020-10-27 15:50:13,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:50:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:13,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:14,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:14,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:15,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:16,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:16,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 15:50:16,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:50:16,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2994 [2020-10-27 15:50:16,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:50:16,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 15:50:16,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-27 15:50:16,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:17,123 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:50:17,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:50:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:17,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:17,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:17,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:50:17,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:17,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 15:50:17,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:17,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:50:17,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:17,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:50:17,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:17,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:50:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:17,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:17,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:17,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 15:50:17,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:17,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 15:50:17,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:50:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:17,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:50:17,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:50:17,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033465399] [2020-10-27 15:50:17,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:50:17,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:50:17,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51323728] [2020-10-27 15:50:17,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:50:17,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:50:17,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:50:17,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:50:17,417 INFO L87 Difference]: Start difference. First operand 467 states and 718 transitions. Second operand 5 states. [2020-10-27 15:50:17,698 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 15:50:21,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:50:21,016 INFO L93 Difference]: Finished difference Result 1371 states and 2142 transitions. [2020-10-27 15:50:21,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:50:21,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 183 [2020-10-27 15:50:21,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:50:21,029 INFO L225 Difference]: With dead ends: 1371 [2020-10-27 15:50:21,029 INFO L226 Difference]: Without dead ends: 910 [2020-10-27 15:50:21,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:50:21,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-10-27 15:50:21,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 890. [2020-10-27 15:50:21,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-10-27 15:50:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1354 transitions. [2020-10-27 15:50:21,085 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1354 transitions. Word has length 183 [2020-10-27 15:50:21,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:50:21,086 INFO L481 AbstractCegarLoop]: Abstraction has 890 states and 1354 transitions. [2020-10-27 15:50:21,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:50:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1354 transitions. [2020-10-27 15:50:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-27 15:50:21,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:50:21,093 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:50:21,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:50:21,093 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:50:21,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:50:21,094 INFO L82 PathProgramCache]: Analyzing trace with hash -526250789, now seen corresponding path program 1 times [2020-10-27 15:50:21,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:50:21,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805818728] [2020-10-27 15:50:21,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:50:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:21,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:21,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:23,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:23,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 15:50:23,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:50:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1963 [2020-10-27 15:50:23,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:50:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 15:50:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-27 15:50:23,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:23,427 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:50:23,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:50:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:23,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:23,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:23,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:50:23,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:23,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:50:23,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:50:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:50:23,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:23,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:50:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:23,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:23,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:23,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 15:50:23,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:23,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 15:50:23,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:50:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 15:50:23,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:23,643 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:50:23,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805818728] [2020-10-27 15:50:23,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:50:23,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:50:23,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049585139] [2020-10-27 15:50:23,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:50:23,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:50:23,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:50:23,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:50:23,645 INFO L87 Difference]: Start difference. First operand 890 states and 1354 transitions. Second operand 5 states. [2020-10-27 15:50:24,090 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:50:27,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:50:27,446 INFO L93 Difference]: Finished difference Result 2625 states and 4065 transitions. [2020-10-27 15:50:27,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:50:27,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 190 [2020-10-27 15:50:27,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:50:27,465 INFO L225 Difference]: With dead ends: 2625 [2020-10-27 15:50:27,465 INFO L226 Difference]: Without dead ends: 1741 [2020-10-27 15:50:27,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:50:27,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2020-10-27 15:50:27,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1730. [2020-10-27 15:50:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1730 states. [2020-10-27 15:50:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 2546 transitions. [2020-10-27 15:50:27,552 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 2546 transitions. Word has length 190 [2020-10-27 15:50:27,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:50:27,553 INFO L481 AbstractCegarLoop]: Abstraction has 1730 states and 2546 transitions. [2020-10-27 15:50:27,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:50:27,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2546 transitions. [2020-10-27 15:50:27,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-27 15:50:27,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:50:27,560 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:50:27,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:50:27,561 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:50:27,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:50:27,561 INFO L82 PathProgramCache]: Analyzing trace with hash -304189191, now seen corresponding path program 1 times [2020-10-27 15:50:27,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:50:27,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151948825] [2020-10-27 15:50:27,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:50:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:27,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:27,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:27,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:29,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:32,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:32,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:32,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-27 15:50:32,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:50:32,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-27 15:50:32,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:32,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:50:32,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 15:50:32,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-27 15:50:32,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:33,082 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:50:33,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:50:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:33,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:33,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:33,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:50:33,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:33,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:50:33,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:33,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:50:33,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:33,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:50:33,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:33,228 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:50:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:50:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:33,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:33,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:33,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 15:50:33,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:33,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:50:33,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:50:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:33,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:50:33,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:33,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 15:50:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:33,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:33,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:33,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:50:33,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:33,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 15:50:33,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:33,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:50:33,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:33,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 15:50:33,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 15:50:33,393 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:50:33,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151948825] [2020-10-27 15:50:33,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:50:33,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:50:33,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748877824] [2020-10-27 15:50:33,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:50:33,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:50:33,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:50:33,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:50:33,396 INFO L87 Difference]: Start difference. First operand 1730 states and 2546 transitions. Second operand 6 states. [2020-10-27 15:50:33,672 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 15:50:34,057 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:50:38,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:50:38,624 INFO L93 Difference]: Finished difference Result 6820 states and 10469 transitions. [2020-10-27 15:50:38,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 15:50:38,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2020-10-27 15:50:38,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:50:38,666 INFO L225 Difference]: With dead ends: 6820 [2020-10-27 15:50:38,666 INFO L226 Difference]: Without dead ends: 5096 [2020-10-27 15:50:38,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:50:38,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5096 states. [2020-10-27 15:50:38,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5096 to 5082. [2020-10-27 15:50:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5082 states. [2020-10-27 15:50:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5082 states to 5082 states and 7550 transitions. [2020-10-27 15:50:38,896 INFO L78 Accepts]: Start accepts. Automaton has 5082 states and 7550 transitions. Word has length 194 [2020-10-27 15:50:38,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:50:38,897 INFO L481 AbstractCegarLoop]: Abstraction has 5082 states and 7550 transitions. [2020-10-27 15:50:38,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:50:38,897 INFO L276 IsEmpty]: Start isEmpty. Operand 5082 states and 7550 transitions. [2020-10-27 15:50:38,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-27 15:50:38,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:50:38,916 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:50:38,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:50:38,917 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:50:38,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:50:38,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1461584910, now seen corresponding path program 1 times [2020-10-27 15:50:38,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:50:38,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283864842] [2020-10-27 15:50:38,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:50:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:38,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:39,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:39,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:39,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:40,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:43,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:43,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 15:50:43,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:50:43,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 15:50:43,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:50:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 15:50:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 15:50:43,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:44,300 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:50:44,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:50:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:44,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:44,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:44,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:50:44,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:44,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:50:44,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:44,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:50:44,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:44,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:50:44,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:44,462 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:50:44,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:50:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:44,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:44,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:44,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 15:50:44,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:44,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 15:50:44,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:44,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:50:44,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:44,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:50:44,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:44,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 15:50:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:44,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:44,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:44,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 15:50:44,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:44,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 15:50:44,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:50:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:50:44,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:50:44,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 15:50:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:44,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:44,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:44,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 15:50:44,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:44,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 15:50:44,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:50:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 15:50:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 15:50:44,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 15:50:44,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283864842] [2020-10-27 15:50:44,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:50:44,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 15:50:44,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888330125] [2020-10-27 15:50:44,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 15:50:44,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:50:44,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 15:50:44,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:50:44,742 INFO L87 Difference]: Start difference. First operand 5082 states and 7550 transitions. Second operand 7 states. [2020-10-27 15:50:45,039 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:50:45,561 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:50:48,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:50:48,720 INFO L93 Difference]: Finished difference Result 14534 states and 22895 transitions. [2020-10-27 15:50:48,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 15:50:48,720 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 221 [2020-10-27 15:50:48,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:50:48,784 INFO L225 Difference]: With dead ends: 14534 [2020-10-27 15:50:48,784 INFO L226 Difference]: Without dead ends: 9458 [2020-10-27 15:50:48,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:50:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9458 states. [2020-10-27 15:50:49,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9458 to 9367. [2020-10-27 15:50:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9367 states. [2020-10-27 15:50:49,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9367 states to 9367 states and 13798 transitions. [2020-10-27 15:50:49,257 INFO L78 Accepts]: Start accepts. Automaton has 9367 states and 13798 transitions. Word has length 221 [2020-10-27 15:50:49,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:50:49,258 INFO L481 AbstractCegarLoop]: Abstraction has 9367 states and 13798 transitions. [2020-10-27 15:50:49,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 15:50:49,258 INFO L276 IsEmpty]: Start isEmpty. Operand 9367 states and 13798 transitions. [2020-10-27 15:50:49,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-27 15:50:49,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:50:49,292 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:50:49,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:50:49,292 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:50:49,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:50:49,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1881070347, now seen corresponding path program 1 times [2020-10-27 15:50:49,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:50:49,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686915098] [2020-10-27 15:50:49,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:50:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:49,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:49,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:49,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:52,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:52,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:54,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:54,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-27 15:50:54,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:50:54,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-27 15:50:54,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:54,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:50:54,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-27 15:50:54,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-27 15:50:54,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:54,771 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:50:54,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:50:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:54,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:54,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:54,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:50:54,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:54,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 15:50:54,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:50:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:50:54,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:54,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:50:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:54,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:54,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:54,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 15:50:54,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:54,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 15:50:54,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:54,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:50:54,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:54,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:50:54,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:54,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 15:50:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:54,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:54,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:54,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 15:50:54,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:54,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 15:50:54,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:50:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:50:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:54,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 15:50:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:55,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:50:55,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:50:55,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 15:50:55,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:50:55,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 15:50:55,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:50:55,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:50:55,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:50:55,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 15:50:55,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:50:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-10-27 15:50:55,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686915098] [2020-10-27 15:50:55,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:50:55,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:50:55,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624006987] [2020-10-27 15:50:55,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:50:55,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:50:55,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:50:55,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:50:55,144 INFO L87 Difference]: Start difference. First operand 9367 states and 13798 transitions. Second operand 5 states. [2020-10-27 15:50:55,563 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:50:58,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:50:58,953 INFO L93 Difference]: Finished difference Result 26911 states and 40398 transitions. [2020-10-27 15:50:58,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:50:58,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2020-10-27 15:50:58,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:50:59,053 INFO L225 Difference]: With dead ends: 26911 [2020-10-27 15:50:59,053 INFO L226 Difference]: Without dead ends: 17550 [2020-10-27 15:50:59,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:50:59,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17550 states. [2020-10-27 15:50:59,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17550 to 17542. [2020-10-27 15:50:59,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17542 states. [2020-10-27 15:50:59,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17542 states to 17542 states and 25603 transitions. [2020-10-27 15:50:59,703 INFO L78 Accepts]: Start accepts. Automaton has 17542 states and 25603 transitions. Word has length 235 [2020-10-27 15:50:59,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:50:59,703 INFO L481 AbstractCegarLoop]: Abstraction has 17542 states and 25603 transitions. [2020-10-27 15:50:59,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:50:59,704 INFO L276 IsEmpty]: Start isEmpty. Operand 17542 states and 25603 transitions. [2020-10-27 15:50:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-27 15:50:59,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:50:59,773 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 15:50:59,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:50:59,773 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:50:59,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:50:59,774 INFO L82 PathProgramCache]: Analyzing trace with hash 644194511, now seen corresponding path program 1 times [2020-10-27 15:50:59,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:50:59,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535829989] [2020-10-27 15:50:59,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:50:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:50:59,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:00,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:02,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:02,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-27 15:51:02,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:51:02,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2345 [2020-10-27 15:51:02,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:02,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:51:02,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-27 15:51:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-27 15:51:02,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 15:51:02,575 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:51:02,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:51:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:51:02,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:02,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:02,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:51:02,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:51:02,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 15:51:02,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:51:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:51:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:51:02,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:51:02,720 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:51:02,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:51:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:51:02,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:02,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:02,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 15:51:02,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:51:02,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-27 15:51:02,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:02,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:51:02,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:51:02,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-27 15:51:02,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:51:03,019 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 74 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:51:03,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535829989] [2020-10-27 15:51:03,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:51:03,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:51:03,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434621761] [2020-10-27 15:51:03,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:51:03,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:51:03,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:51:03,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:51:03,022 INFO L87 Difference]: Start difference. First operand 17542 states and 25603 transitions. Second operand 5 states. [2020-10-27 15:51:03,582 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-27 15:51:06,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:51:06,938 INFO L93 Difference]: Finished difference Result 44943 states and 66818 transitions. [2020-10-27 15:51:06,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:51:06,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 251 [2020-10-27 15:51:06,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:51:07,085 INFO L225 Difference]: With dead ends: 44943 [2020-10-27 15:51:07,086 INFO L226 Difference]: Without dead ends: 27407 [2020-10-27 15:51:07,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:51:07,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27407 states. [2020-10-27 15:51:08,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27407 to 27371. [2020-10-27 15:51:08,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27371 states. [2020-10-27 15:51:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27371 states to 27371 states and 40384 transitions. [2020-10-27 15:51:08,425 INFO L78 Accepts]: Start accepts. Automaton has 27371 states and 40384 transitions. Word has length 251 [2020-10-27 15:51:08,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:51:08,426 INFO L481 AbstractCegarLoop]: Abstraction has 27371 states and 40384 transitions. [2020-10-27 15:51:08,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:51:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 27371 states and 40384 transitions. [2020-10-27 15:51:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-10-27 15:51:08,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:51:08,540 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:51:08,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 15:51:08,540 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:51:08,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:51:08,542 INFO L82 PathProgramCache]: Analyzing trace with hash 357505745, now seen corresponding path program 1 times [2020-10-27 15:51:08,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:51:08,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593010503] [2020-10-27 15:51:08,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:51:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:51:08,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:08,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:08,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:13,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:13,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:13,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:13,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-10-27 15:51:13,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:51:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-27 15:51:13,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:51:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 15:51:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 15:51:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:51:13,948 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:51:13,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:51:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:51:13,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:13,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:13,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:51:13,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:51:13,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:51:13,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:51:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:51:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:51:13,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:51:14,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:51:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:51:14,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:14,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:14,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 15:51:14,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:51:14,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:51:14,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:51:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:51:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:51:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:51:14,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 15:51:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:51:14,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:14,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:14,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 15:51:14,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:51:14,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 15:51:14,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:14,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:51:14,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:51:14,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:51:14,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:51:14,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 15:51:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:51:14,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:14,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:14,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:51:14,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:51:14,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 15:51:14,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:51:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:51:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 15:51:14,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:51:14,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 15:51:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:51:14,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:14,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-27 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 15:51:14,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:51:14,484 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 15:51:14,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593010503] [2020-10-27 15:51:14,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:51:14,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 15:51:14,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123052413] [2020-10-27 15:51:14,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 15:51:14,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:51:14,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 15:51:14,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:51:14,487 INFO L87 Difference]: Start difference. First operand 27371 states and 40384 transitions. Second operand 7 states. [2020-10-27 15:51:14,730 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 15:51:15,189 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 15:51:18,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:51:18,729 INFO L93 Difference]: Finished difference Result 61217 states and 93041 transitions. [2020-10-27 15:51:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 15:51:18,729 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 297 [2020-10-27 15:51:18,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:51:18,897 INFO L225 Difference]: With dead ends: 61217 [2020-10-27 15:51:18,897 INFO L226 Difference]: Without dead ends: 34270 [2020-10-27 15:51:18,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:51:18,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34270 states. [2020-10-27 15:51:20,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34270 to 34054. [2020-10-27 15:51:20,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34054 states. [2020-10-27 15:51:20,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34054 states to 34054 states and 49511 transitions. [2020-10-27 15:51:20,085 INFO L78 Accepts]: Start accepts. Automaton has 34054 states and 49511 transitions. Word has length 297 [2020-10-27 15:51:20,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:51:20,085 INFO L481 AbstractCegarLoop]: Abstraction has 34054 states and 49511 transitions. [2020-10-27 15:51:20,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 15:51:20,085 INFO L276 IsEmpty]: Start isEmpty. Operand 34054 states and 49511 transitions. [2020-10-27 15:51:20,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-10-27 15:51:20,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:51:20,184 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 15:51:20,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 15:51:20,184 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:51:20,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:51:20,185 INFO L82 PathProgramCache]: Analyzing trace with hash -262117975, now seen corresponding path program 1 times [2020-10-27 15:51:20,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:51:20,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346536911] [2020-10-27 15:51:20,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:51:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:51:20,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:20,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:22,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:22,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-27 15:51:22,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:51:22,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2277 [2020-10-27 15:51:22,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:22,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:51:22,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 15:51:22,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 15:51:22,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:51:22,879 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:51:22,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:51:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:51:22,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:22,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:22,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:51:22,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:51:22,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:51:22,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:51:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:51:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:51:22,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:51:23,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:51:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:51:23,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:23,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:23,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 15:51:23,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:51:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 15:51:23,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:51:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:51:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 15:51:23,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:51:23,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 15:51:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:51:23,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:51:23,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:51:23,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 15:51:23,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:51:23,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-10-27 15:51:23,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:51:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:51:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 15:51:23,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 15:51:23,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:51:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 15:51:23,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346536911] [2020-10-27 15:51:23,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:51:23,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 15:51:23,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526399718] [2020-10-27 15:51:23,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 15:51:23,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:51:23,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 15:51:23,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:51:23,876 INFO L87 Difference]: Start difference. First operand 34054 states and 49511 transitions. Second operand 7 states. [2020-10-27 15:51:24,135 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 15:51:26,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:51:26,098 INFO L93 Difference]: Finished difference Result 58214 states and 85031 transitions. [2020-10-27 15:51:26,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:51:26,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 326 [2020-10-27 15:51:26,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:51:26,100 INFO L225 Difference]: With dead ends: 58214 [2020-10-27 15:51:26,101 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:51:26,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-27 15:51:26,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:51:26,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:51:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:51:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:51:26,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 326 [2020-10-27 15:51:26,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:51:26,165 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:51:26,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 15:51:26,166 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:51:26,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:51:26,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 15:51:26,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:51:27,271 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 15:51:28,939 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 15:51:29,860 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 276 [2020-10-27 15:51:30,532 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 276 [2020-10-27 15:51:31,190 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 109 [2020-10-27 15:51:35,291 WARN L193 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 427 DAG size of output: 139 [2020-10-27 15:51:36,676 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 273 DAG size of output: 62 [2020-10-27 15:51:36,924 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 15:51:38,283 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 273 DAG size of output: 62 [2020-10-27 15:51:39,413 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 164 DAG size of output: 55 [2020-10-27 15:51:39,419 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:51:39,419 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:51:39,419 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:51:39,419 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:51:39,419 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:51:39,420 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |old(#valid)| |#valid|) (= ~a0~0 |old(~a0~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a5~0 |old(~a5~0)|) (= ~e~0 |old(~e~0)|) (= ~a2~0 |old(~a2~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a15~0 |old(~a15~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~a26~0 |old(~a26~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-27 15:51:39,420 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:51:39,420 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,420 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,420 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,420 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,421 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-27 15:51:39,421 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-27 15:51:39,421 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,421 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-27 15:51:39,421 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,422 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-27 15:51:39,422 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-27 15:51:39,422 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,422 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,422 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,423 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,423 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,423 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,423 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,423 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-27 15:51:39,423 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,423 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-27 15:51:39,423 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-27 15:51:39,424 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,424 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,424 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,424 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,424 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-27 15:51:39,424 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-27 15:51:39,424 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,424 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,424 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,424 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,425 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,425 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,425 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,425 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,425 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,425 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,425 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-27 15:51:39,425 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-27 15:51:39,425 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-27 15:51:39,425 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,426 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,426 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,426 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,426 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,426 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,426 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-27 15:51:39,426 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-27 15:51:39,426 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-27 15:51:39,426 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,426 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,426 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,426 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,427 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,427 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,427 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-27 15:51:39,427 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-27 15:51:39,427 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-27 15:51:39,427 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,427 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,427 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,427 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-27 15:51:39,427 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,427 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-27 15:51:39,427 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,428 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,428 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-27 15:51:39,428 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-27 15:51:39,428 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,428 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,428 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,428 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,428 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,428 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,428 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,428 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,429 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-27 15:51:39,429 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-27 15:51:39,429 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-27 15:51:39,429 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-27 15:51:39,429 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-27 15:51:39,429 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,429 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,429 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,429 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,429 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,430 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,430 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,430 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,430 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,430 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,430 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-27 15:51:39,430 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-27 15:51:39,430 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-27 15:51:39,430 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,430 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,430 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,430 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,431 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,431 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,431 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,431 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,431 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,431 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-27 15:51:39,431 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-27 15:51:39,431 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-27 15:51:39,431 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-27 15:51:39,431 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-27 15:51:39,431 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,432 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,432 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,432 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 56 1652) the Hoare annotation is: (let ((.cse6 (= ~a28~0 |old(~a28~0)|)) (.cse7 (= ~a26~0 |old(~a26~0)|)) (.cse8 (= ~a21~0 |old(~a21~0)|)) (.cse9 (= ~a6~0 |old(~a6~0)|)) (.cse10 (= ~a8~0 |old(~a8~0)|)) (.cse11 (= ~a29~0 |old(~a29~0)|)) (.cse12 (= ~a1~0 |old(~a1~0)|)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= ~a0~0 |old(~a0~0)|)) (.cse15 (= ~a3~0 |old(~a3~0)|)) (.cse16 (= ~a9~0 |old(~a9~0)|)) (.cse17 (= ~a7~0 |old(~a7~0)|)) (.cse18 (= ~a11~0 |old(~a11~0)|)) (.cse19 (= ~a5~0 |old(~a5~0)|)) (.cse20 (= ~a16~0 |old(~a16~0)|)) (.cse21 (= ~a4~0 |old(~a4~0)|)) (.cse22 (= ~a2~0 |old(~a2~0)|)) (.cse23 (= ~a17~0 |old(~a17~0)|)) (.cse24 (= ~a14~0 |old(~a14~0)|)) (.cse25 (= ~a25~0 |old(~a25~0)|)) (.cse26 (= ~a23~0 |old(~a23~0)|)) (.cse27 (= ~a12~0 |old(~a12~0)|)) (.cse28 (= ~a15~0 |old(~a15~0)|)) (.cse29 (= ~a13~0 |old(~a13~0)|)) (.cse30 (= ~a24~0 |old(~a24~0)|)) (.cse31 (= ~a20~0 |old(~a20~0)|)) (.cse32 (= ~a22~0 |old(~a22~0)|)) (.cse33 (= ~a10~0 |old(~a10~0)|))) (let ((.cse34 (not (= 2 |old(~a3~0)|))) (.cse3 (= |old(~a11~0)| 1)) (.cse35 (and (or (not (<= |old(~a3~0)| 1)) (not (< 1 |old(~a6~0)|))) (not (<= |old(~a6~0)| 0)))) (.cse2 (not (= |old(~a12~0)| 1))) (.cse0 (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 (= ~a27~0 |old(~a27~0)|))) (.cse1 (not (<= |old(~a5~0)| 1))) (.cse4 (not (<= 1 |old(~a5~0)|))) (.cse5 (not (= ~a18~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= 1 |old(~a27~0)|)) .cse1 .cse4 .cse5 (not (<= |old(~a27~0)| 1)) (and .cse6 .cse7 .cse8 (<= 1 ~a27~0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 (<= ~a27~0 1))) (or .cse0 (= |old(~a6~0)| |old(~a3~0)|) .cse34 .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse34 .cse1 .cse4 .cse5 .cse35) (or .cse0 (not (= 0 |old(~a11~0)|)) .cse34 .cse1 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse5 .cse35 (and (not (< 0 |old(~a6~0)|)) (not (<= 1 |old(~a3~0)|)))) (or .cse0 .cse1 .cse2 .cse4 .cse5 (not (= |old(~a6~0)| |old(~a11~0)|))) (or .cse0 (not (= |old(~a26~0)| 1)) .cse1 .cse4 .cse5)))) [2020-10-27 15:51:39,432 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,433 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,433 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,433 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,433 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,433 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-27 15:51:39,433 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-27 15:51:39,433 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-27 15:51:39,433 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,433 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,433 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,433 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-27 15:51:39,434 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-27 15:51:39,434 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,434 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,434 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,434 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-27 15:51:39,434 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,434 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-27 15:51:39,434 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,434 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-27 15:51:39,434 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,435 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,435 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-27 15:51:39,435 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-27 15:51:39,435 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-27 15:51:39,435 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-27 15:51:39,435 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-27 15:51:39,435 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-27 15:51:39,435 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-27 15:51:39,435 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,435 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,435 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,436 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,436 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,436 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,436 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-27 15:51:39,436 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-27 15:51:39,436 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,436 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,436 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,436 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,436 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,436 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,436 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,437 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,437 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,437 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-27 15:51:39,437 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-27 15:51:39,437 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,437 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,437 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,437 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,437 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,437 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,438 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,439 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,439 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-27 15:51:39,439 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-27 15:51:39,439 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,439 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,439 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,439 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,439 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,439 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,439 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,439 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,440 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-27 15:51:39,441 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,441 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-27 15:51:39,441 INFO L270 CegarLoopResult]: At program point L1535(line 1535) the Hoare annotation is: (let ((.cse5 (not (= 2 |old(~a3~0)|))) (.cse2 (= |old(~a11~0)| 1)) (.cse6 (and (or (not (<= |old(~a3~0)| 1)) (not (< 1 |old(~a6~0)|))) (not (<= |old(~a6~0)| 0)))) (.cse0 (not (<= |old(~a5~0)| 1))) (.cse1 (not (= |old(~a12~0)| 1))) (.cse3 (not (<= 1 |old(~a5~0)|))) (.cse4 (not (= ~a18~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= |old(~a26~0)| 1)) .cse0 .cse3 .cse4) (or (not (<= 1 |old(~a27~0)|)) .cse0 .cse3 .cse4 (not (<= |old(~a27~0)| 1))) (or .cse5 .cse0 .cse3 .cse4 .cse6) (or (not (= 0 |old(~a11~0)|)) .cse5 .cse0 .cse3 .cse4) (or (= |old(~a6~0)| |old(~a3~0)|) .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse4 .cse6 (and (not (< 0 |old(~a6~0)|)) (not (<= 1 |old(~a3~0)|)))) (or .cse0 .cse1 .cse3 .cse4 (not (= |old(~a6~0)| |old(~a11~0)|))))) [2020-10-27 15:51:39,441 INFO L274 CegarLoopResult]: For program point L1535-1(line 1535) no Hoare annotation was computed. [2020-10-27 15:51:39,441 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-27 15:51:39,441 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,441 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,441 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,442 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,442 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,442 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,442 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,442 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,442 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-27 15:51:39,442 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-27 15:51:39,442 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,442 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,442 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,442 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,443 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-27 15:51:39,444 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-27 15:51:39,444 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-27 15:51:39,444 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,444 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,444 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,444 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,444 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,444 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,444 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,444 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-27 15:51:39,444 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-27 15:51:39,445 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,445 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-27 15:51:39,445 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-27 15:51:39,445 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-27 15:51:39,445 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,445 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,445 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,445 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,445 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,445 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-27 15:51:39,446 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-27 15:51:39,446 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,446 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,446 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,446 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-27 15:51:39,446 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-27 15:51:39,446 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,446 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-27 15:51:39,446 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,446 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,446 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,446 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,447 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,447 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,447 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,447 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,447 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,447 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,447 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-27 15:51:39,447 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-27 15:51:39,447 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-27 15:51:39,447 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,447 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-27 15:51:39,447 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-27 15:51:39,448 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:51:39,449 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~a5~0) (<= ~a5~0 1) (<= 1 ~a27~0) (<= 1 ~a3~0) (= ~a11~0 ~a6~0) (= ~a18~0 1) (= ~a11~0 0) (<= ~a27~0 1)) [2020-10-27 15:51:39,449 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:51:39,449 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:51:39,449 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-27 15:51:39,449 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1654 1671) the Hoare annotation is: (or (not (<= 1 |old(~a27~0)|)) (not (= 0 |old(~a11~0)|)) (not (<= |old(~a5~0)| 1)) (not (<= 1 |old(~a3~0)|)) (not (<= 1 |old(~a5~0)|)) (not (= ~a18~0 1)) (not (= |old(~a6~0)| |old(~a11~0)|)) (not (<= |old(~a27~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (<= 1 ~a27~0) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (<= ~a27~0 1))) [2020-10-27 15:51:39,449 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse3 (or (and (< 1 ~a6~0) (<= ~a3~0 1)) (<= ~a6~0 0))) (.cse4 (= ~a12~0 1)) (.cse2 (not (= ~a11~0 1))) (.cse0 (<= 1 ~a5~0)) (.cse1 (<= ~a5~0 1)) (.cse5 (= 2 ~a3~0))) (or (and .cse0 .cse1 (or (<= 1 ~a3~0) (< 0 ~a6~0)) .cse2 .cse3) (and .cse4 .cse0 .cse1 (= ~a11~0 ~a6~0)) (not (<= 1 |old(~a27~0)|)) (and .cse0 .cse1 .cse5 .cse3) (not (<= |old(~a5~0)| 1)) (and .cse0 .cse1 (= ~a26~0 1)) (not (<= 1 |old(~a5~0)|)) (not (= |old(~a6~0)| |old(~a11~0)|)) (and .cse0 .cse1 (not (= ~a3~0 ~a6~0)) .cse5 .cse2) (and .cse0 .cse1 (<= 1 ~a27~0) (<= ~a27~0 1)) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse0 .cse1 .cse2) (not (<= 1 |old(~a3~0)|)) (and .cse0 .cse1 .cse5 (= ~a11~0 0)) (not (= ~a18~0 1)) (not (<= |old(~a27~0)| 1)))) [2020-10-27 15:51:39,449 INFO L274 CegarLoopResult]: For program point L1660-3(lines 1654 1671) no Hoare annotation was computed. [2020-10-27 15:51:39,449 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1654 1671) no Hoare annotation was computed. [2020-10-27 15:51:39,450 INFO L270 CegarLoopResult]: At program point L1668(line 1668) the Hoare annotation is: (let ((.cse3 (or (and (< 1 ~a6~0) (<= ~a3~0 1)) (<= ~a6~0 0))) (.cse4 (= ~a12~0 1)) (.cse2 (not (= ~a11~0 1))) (.cse0 (<= 1 ~a5~0)) (.cse1 (<= ~a5~0 1)) (.cse5 (= 2 ~a3~0))) (or (and .cse0 .cse1 (or (<= 1 ~a3~0) (< 0 ~a6~0)) .cse2 .cse3) (and .cse4 .cse0 .cse1 (= ~a11~0 ~a6~0)) (not (<= 1 |old(~a27~0)|)) (and .cse0 .cse1 .cse5 .cse3) (not (<= |old(~a5~0)| 1)) (and .cse0 .cse1 (= ~a26~0 1)) (not (<= 1 |old(~a5~0)|)) (not (= |old(~a6~0)| |old(~a11~0)|)) (and .cse0 .cse1 (not (= ~a3~0 ~a6~0)) .cse5 .cse2) (and .cse0 .cse1 (<= 1 ~a27~0) (<= ~a27~0 1)) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse0 .cse1 .cse2) (not (<= 1 |old(~a3~0)|)) (and .cse0 .cse1 .cse5 (= ~a11~0 0)) (not (= ~a18~0 1)) (not (<= |old(~a27~0)| 1)))) [2020-10-27 15:51:39,450 INFO L274 CegarLoopResult]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2020-10-27 15:51:39,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:51:39 BoogieIcfgContainer [2020-10-27 15:51:39,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:51:39,475 INFO L168 Benchmark]: Toolchain (without parser) took 106603.08 ms. Allocated memory was 161.5 MB in the beginning and 2.5 GB in the end (delta: 2.4 GB). Free memory was 130.5 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 944.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:51:39,475 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 161.5 MB. Free memory is still 133.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:51:39,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1209.28 ms. Allocated memory is still 161.5 MB. Free memory was 129.9 MB in the beginning and 100.5 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. [2020-10-27 15:51:39,477 INFO L168 Benchmark]: Boogie Preprocessor took 228.92 ms. Allocated memory is still 161.5 MB. Free memory was 100.5 MB in the beginning and 89.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-27 15:51:39,478 INFO L168 Benchmark]: RCFGBuilder took 2721.06 ms. Allocated memory was 161.5 MB in the beginning and 206.6 MB in the end (delta: 45.1 MB). Free memory was 89.0 MB in the beginning and 100.1 MB in the end (delta: -11.1 MB). Peak memory consumption was 62.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:51:39,479 INFO L168 Benchmark]: TraceAbstraction took 102430.81 ms. Allocated memory was 206.6 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 99.5 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 867.5 MB. Max. memory is 8.0 GB. [2020-10-27 15:51:39,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 161.5 MB. Free memory is still 133.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1209.28 ms. Allocated memory is still 161.5 MB. Free memory was 129.9 MB in the beginning and 100.5 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 228.92 ms. Allocated memory is still 161.5 MB. Free memory was 100.5 MB in the beginning and 89.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2721.06 ms. Allocated memory was 161.5 MB in the beginning and 206.6 MB in the end (delta: 45.1 MB). Free memory was 89.0 MB in the beginning and 100.1 MB in the end (delta: -11.1 MB). Peak memory consumption was 62.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 102430.81 ms. Allocated memory was 206.6 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 99.5 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 867.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: ((((((((((((((((((1 <= a5 && a5 <= 1) && (1 <= a3 || 0 < a6)) && !(a11 == 1)) && ((1 < a6 && a3 <= 1) || a6 <= 0)) || (((a12 == 1 && 1 <= a5) && a5 <= 1) && a11 == a6)) || !(1 <= \old(a27))) || (((1 <= a5 && a5 <= 1) && 2 == a3) && ((1 < a6 && a3 <= 1) || a6 <= 0))) || !(\old(a5) <= 1)) || ((1 <= a5 && a5 <= 1) && a26 == 1)) || !(1 <= \old(a5))) || !(\old(a6) == \old(a11))) || ((((1 <= a5 && a5 <= 1) && !(a3 == a6)) && 2 == a3) && !(a11 == 1))) || (((1 <= a5 && a5 <= 1) && 1 <= a27) && a27 <= 1)) || !(0 == \old(a11))) || (((a12 == 1 && 1 <= a5) && a5 <= 1) && !(a11 == 1))) || !(1 <= \old(a3))) || (((1 <= a5 && a5 <= 1) && 2 == a3) && a11 == 0)) || !(a18 == 1)) || !(\old(a27) <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 315 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 89.0s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 38.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 442 SDtfs, 5949 SDslu, 559 SDs, 0 SdLazy, 12445 SolverSat, 2160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34054occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 408 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1164 PreInvPairs, 1400 NumberOfFragments, 1731 HoareAnnotationTreeSize, 1164 FomulaSimplifications, 813800 FormulaSimplificationTreeSizeReduction, 4.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 63706 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 44.1s InterpolantComputationTime, 2253 NumberOfCodeBlocks, 2253 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2243 ConstructedInterpolants, 0 QuantifiedInterpolants, 2569866 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 663/678 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...