/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/Problem14_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 18:16:40,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 18:16:40,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 18:16:40,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 18:16:40,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 18:16:40,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 18:16:40,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 18:16:40,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 18:16:40,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 18:16:40,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 18:16:40,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 18:16:40,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 18:16:40,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 18:16:40,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 18:16:40,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 18:16:40,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 18:16:40,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 18:16:40,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 18:16:40,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 18:16:40,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 18:16:40,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 18:16:40,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 18:16:40,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 18:16:40,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 18:16:40,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 18:16:40,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 18:16:40,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 18:16:40,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 18:16:40,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 18:16:40,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 18:16:40,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 18:16:40,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 18:16:40,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 18:16:40,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 18:16:40,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 18:16:40,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 18:16:40,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 18:16:40,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 18:16:40,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 18:16:40,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 18:16:40,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 18:16:40,563 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 18:16:40,592 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 18:16:40,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 18:16:40,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 18:16:40,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 18:16:40,595 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 18:16:40,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 18:16:40,595 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 18:16:40,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 18:16:40,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 18:16:40,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 18:16:40,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 18:16:40,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 18:16:40,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 18:16:40,597 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 18:16:40,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 18:16:40,597 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 18:16:40,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 18:16:40,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 18:16:40,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 18:16:40,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 18:16:40,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 18:16:40,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:16:40,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 18:16:40,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 18:16:40,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 18:16:40,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 18:16:40,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 18:16:40,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 18:16:40,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 18:16:40,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 18:16:40,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 18:16:41,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 18:16:41,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 18:16:41,011 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 18:16:41,011 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 18:16:41,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label45.c [2020-10-27 18:16:41,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3175a4060/14513c713f4544308b78da96d6aeea3d/FLAG39ef3f597 [2020-10-27 18:16:41,993 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 18:16:41,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label45.c [2020-10-27 18:16:42,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3175a4060/14513c713f4544308b78da96d6aeea3d/FLAG39ef3f597 [2020-10-27 18:16:42,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3175a4060/14513c713f4544308b78da96d6aeea3d [2020-10-27 18:16:42,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 18:16:42,254 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 18:16:42,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 18:16:42,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 18:16:42,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 18:16:42,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:16:42" (1/1) ... [2020-10-27 18:16:42,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93a579f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:16:42, skipping insertion in model container [2020-10-27 18:16:42,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:16:42" (1/1) ... [2020-10-27 18:16:42,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 18:16:42,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 18:16:42,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:16:42,832 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 18:16:43,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:16:43,030 INFO L208 MainTranslator]: Completed translation [2020-10-27 18:16:43,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:16:43 WrapperNode [2020-10-27 18:16:43,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 18:16:43,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 18:16:43,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 18:16:43,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 18:16:43,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:16:43" (1/1) ... [2020-10-27 18:16:43,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:16:43" (1/1) ... [2020-10-27 18:16:43,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:16:43" (1/1) ... [2020-10-27 18:16:43,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:16:43" (1/1) ... [2020-10-27 18:16:43,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:16:43" (1/1) ... [2020-10-27 18:16:43,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:16:43" (1/1) ... [2020-10-27 18:16:43,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:16:43" (1/1) ... [2020-10-27 18:16:43,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 18:16:43,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 18:16:43,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 18:16:43,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 18:16:43,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:16:43" (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 18:16:43,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 18:16:43,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 18:16:43,321 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 18:16:43,321 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 18:16:43,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 18:16:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 18:16:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 18:16:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 18:16:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 18:16:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 18:16:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 18:16:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 18:16:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 18:16:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 18:16:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 18:16:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 18:16:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 18:16:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 18:16:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 18:16:45,153 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 18:16:45,153 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 18:16:45,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:16:45 BoogieIcfgContainer [2020-10-27 18:16:45,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 18:16:45,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 18:16:45,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 18:16:45,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 18:16:45,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:16:42" (1/3) ... [2020-10-27 18:16:45,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e922af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:16:45, skipping insertion in model container [2020-10-27 18:16:45,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:16:43" (2/3) ... [2020-10-27 18:16:45,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e922af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:16:45, skipping insertion in model container [2020-10-27 18:16:45,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:16:45" (3/3) ... [2020-10-27 18:16:45,167 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label45.c [2020-10-27 18:16:45,181 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 18:16:45,187 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 18:16:45,202 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 18:16:45,235 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 18:16:45,236 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 18:16:45,236 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 18:16:45,236 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 18:16:45,236 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 18:16:45,236 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 18:16:45,236 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 18:16:45,236 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 18:16:45,263 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-27 18:16:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 18:16:45,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:16:45,273 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] [2020-10-27 18:16:45,274 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:16:45,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:16:45,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1253366042, now seen corresponding path program 1 times [2020-10-27 18:16:45,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:16:45,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693129910] [2020-10-27 18:16:45,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:16:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:16:45,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:46,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:16:46,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-27 18:16:46,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:16:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 632 [2020-10-27 18:16:46,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:16:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:16:46,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 18:16:46,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 18:16:46,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 18:16:46,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:16:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:16:46,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:46,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:16:46,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:16:46,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:16:46,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 18:16:46,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:16:46,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:16:46,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:16:46,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 18:16:46,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:16:46,339 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 18:16:46,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693129910] [2020-10-27 18:16:46,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 18:16:46,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 18:16:46,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239028424] [2020-10-27 18:16:46,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:16:46,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:16:46,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:16:46,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:16:46,373 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 5 states. [2020-10-27 18:16:50,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:16:50,002 INFO L93 Difference]: Finished difference Result 891 states and 1619 transitions. [2020-10-27 18:16:50,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:16:50,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-10-27 18:16:50,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:16:50,033 INFO L225 Difference]: With dead ends: 891 [2020-10-27 18:16:50,033 INFO L226 Difference]: Without dead ends: 565 [2020-10-27 18:16:50,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:16:50,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-27 18:16:50,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 559. [2020-10-27 18:16:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-10-27 18:16:50,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 907 transitions. [2020-10-27 18:16:50,148 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 907 transitions. Word has length 43 [2020-10-27 18:16:50,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:16:50,149 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 907 transitions. [2020-10-27 18:16:50,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:16:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 907 transitions. [2020-10-27 18:16:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-27 18:16:50,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:16:50,157 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:50,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 18:16:50,157 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:16:50,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:16:50,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1084435551, now seen corresponding path program 1 times [2020-10-27 18:16:50,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:16:50,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323204005] [2020-10-27 18:16:50,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:16:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:16:50,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:50,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:51,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:16:51,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 18:16:51,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:16:51,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1136 [2020-10-27 18:16:51,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:16:51,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:16:51,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 18:16:51,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 18:16:51,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:16:51,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:16:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:16:51,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:51,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:16:51,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:16:51,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:16:51,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 18:16:51,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:16:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:16:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:16:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:16:51,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:16:51,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:16:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:16:51,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:51,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:16:51,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 18:16:51,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:16:51,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 18:16:51,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:16:51,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:16:51,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:16:51,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 18:16:51,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:16:51,691 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:16:51,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323204005] [2020-10-27 18:16:51,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:16:51,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:16:51,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84444764] [2020-10-27 18:16:51,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:16:51,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:16:51,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:16:51,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:16:51,700 INFO L87 Difference]: Start difference. First operand 559 states and 907 transitions. Second operand 5 states. [2020-10-27 18:16:54,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:16:54,175 INFO L93 Difference]: Finished difference Result 1670 states and 2748 transitions. [2020-10-27 18:16:54,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:16:54,175 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-27 18:16:54,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:16:54,183 INFO L225 Difference]: With dead ends: 1670 [2020-10-27 18:16:54,184 INFO L226 Difference]: Without dead ends: 1117 [2020-10-27 18:16:54,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:16:54,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-27 18:16:54,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 747. [2020-10-27 18:16:54,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-10-27 18:16:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1153 transitions. [2020-10-27 18:16:54,237 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1153 transitions. Word has length 129 [2020-10-27 18:16:54,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:16:54,238 INFO L481 AbstractCegarLoop]: Abstraction has 747 states and 1153 transitions. [2020-10-27 18:16:54,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:16:54,238 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1153 transitions. [2020-10-27 18:16:54,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 18:16:54,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:16:54,243 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:54,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 18:16:54,243 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:16:54,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:16:54,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1712667021, now seen corresponding path program 1 times [2020-10-27 18:16:54,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:16:54,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767181093] [2020-10-27 18:16:54,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:16:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:16:54,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:54,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:54,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:56,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:16:56,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 18:16:56,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 18:16:56,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2338 [2020-10-27 18:16:56,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:16:56,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:16:56,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-27 18:16:56,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 18:16:56,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:16:56,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:16:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:16:56,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:56,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:16:56,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:16:56,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:16:56,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 18:16:56,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:16:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:16:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:16:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:16:56,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:16:56,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:16:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:16:56,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:56,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:16:56,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 18:16:56,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:16:56,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 18:16:56,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:16:56,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:16:56,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:16:56,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 18:16:56,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:16:57,019 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:16:57,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767181093] [2020-10-27 18:16:57,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:16:57,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:16:57,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295813720] [2020-10-27 18:16:57,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:16:57,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:16:57,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:16:57,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:16:57,022 INFO L87 Difference]: Start difference. First operand 747 states and 1153 transitions. Second operand 5 states. [2020-10-27 18:16:58,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:16:58,616 INFO L93 Difference]: Finished difference Result 1505 states and 2334 transitions. [2020-10-27 18:16:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:16:58,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-27 18:16:58,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:16:58,626 INFO L225 Difference]: With dead ends: 1505 [2020-10-27 18:16:58,626 INFO L226 Difference]: Without dead ends: 751 [2020-10-27 18:16:58,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:16:58,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2020-10-27 18:16:58,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 747. [2020-10-27 18:16:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-10-27 18:16:58,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1149 transitions. [2020-10-27 18:16:58,667 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1149 transitions. Word has length 138 [2020-10-27 18:16:58,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:16:58,668 INFO L481 AbstractCegarLoop]: Abstraction has 747 states and 1149 transitions. [2020-10-27 18:16:58,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:16:58,668 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1149 transitions. [2020-10-27 18:16:58,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-27 18:16:58,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:16:58,673 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:58,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 18:16:58,673 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:16:58,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:16:58,674 INFO L82 PathProgramCache]: Analyzing trace with hash 802520025, now seen corresponding path program 1 times [2020-10-27 18:16:58,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:16:58,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432815164] [2020-10-27 18:16:58,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:16:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:16:58,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:58,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:16:59,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:00,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:00,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 18:17:00,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 18:17:00,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1387 [2020-10-27 18:17:00,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:17:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-27 18:17:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 18:17:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 18:17:00,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:17:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:00,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:00,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:00,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:17:00,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:00,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:17:00,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:00,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:00,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:17:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:00,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:00,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:00,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-27 18:17:00,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:00,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 18:17:00,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:17:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 18:17:00,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:17:00,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432815164] [2020-10-27 18:17:00,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:17:00,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:17:00,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876829435] [2020-10-27 18:17:00,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:17:00,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:17:00,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:17:00,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:17:00,612 INFO L87 Difference]: Start difference. First operand 747 states and 1149 transitions. Second operand 5 states. [2020-10-27 18:17:02,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:17:02,250 INFO L93 Difference]: Finished difference Result 1519 states and 2339 transitions. [2020-10-27 18:17:02,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:17:02,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-10-27 18:17:02,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:17:02,259 INFO L225 Difference]: With dead ends: 1519 [2020-10-27 18:17:02,259 INFO L226 Difference]: Without dead ends: 751 [2020-10-27 18:17:02,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:17:02,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2020-10-27 18:17:02,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 747. [2020-10-27 18:17:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-10-27 18:17:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1146 transitions. [2020-10-27 18:17:02,301 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1146 transitions. Word has length 144 [2020-10-27 18:17:02,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:17:02,303 INFO L481 AbstractCegarLoop]: Abstraction has 747 states and 1146 transitions. [2020-10-27 18:17:02,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:17:02,303 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1146 transitions. [2020-10-27 18:17:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 18:17:02,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:17:02,311 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:02,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 18:17:02,311 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:17:02,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:17:02,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1013949087, now seen corresponding path program 1 times [2020-10-27 18:17:02,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:17:02,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144841212] [2020-10-27 18:17:02,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:17:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:02,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:02,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:03,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:03,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 18:17:03,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:17:03,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 873 [2020-10-27 18:17:03,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:17:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-27 18:17:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 18:17:03,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:03,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:17:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:03,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:03,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:03,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:17:03,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:03,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 18:17:03,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:03,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:03,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:03,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:03,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:03,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:17:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:03,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:03,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:03,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 18:17:03,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:03,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 18:17:03,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:03,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:17:03,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:03,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 18:17:03,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:17:03,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144841212] [2020-10-27 18:17:03,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:17:03,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:17:03,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991243277] [2020-10-27 18:17:03,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:17:03,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:17:03,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:17:03,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:17:03,627 INFO L87 Difference]: Start difference. First operand 747 states and 1146 transitions. Second operand 5 states. [2020-10-27 18:17:06,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:17:06,258 INFO L93 Difference]: Finished difference Result 2048 states and 3246 transitions. [2020-10-27 18:17:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:17:06,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-10-27 18:17:06,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:17:06,271 INFO L225 Difference]: With dead ends: 2048 [2020-10-27 18:17:06,272 INFO L226 Difference]: Without dead ends: 1307 [2020-10-27 18:17:06,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:17:06,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2020-10-27 18:17:06,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 931. [2020-10-27 18:17:06,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-10-27 18:17:06,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1440 transitions. [2020-10-27 18:17:06,334 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1440 transitions. Word has length 148 [2020-10-27 18:17:06,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:17:06,334 INFO L481 AbstractCegarLoop]: Abstraction has 931 states and 1440 transitions. [2020-10-27 18:17:06,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:17:06,335 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1440 transitions. [2020-10-27 18:17:06,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-27 18:17:06,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:17:06,339 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:06,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 18:17:06,339 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:17:06,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:17:06,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1498185027, now seen corresponding path program 1 times [2020-10-27 18:17:06,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:17:06,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953401023] [2020-10-27 18:17:06,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:17:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:06,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:06,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:06,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-27 18:17:06,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:06,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 456 [2020-10-27 18:17:06,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:06,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:17:06,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 18:17:06,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 18:17:06,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:06,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:17:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:06,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:06,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:06,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:17:06,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:06,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 18:17:06,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:17:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:06,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 18:17:06,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:06,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:17:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:07,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:07,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:07,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 18:17:07,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:07,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-27 18:17:07,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:07,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:17:07,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:17:07,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 18:17:07,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:17:07,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953401023] [2020-10-27 18:17:07,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 18:17:07,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 18:17:07,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874302788] [2020-10-27 18:17:07,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:17:07,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:17:07,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:17:07,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:17:07,278 INFO L87 Difference]: Start difference. First operand 931 states and 1440 transitions. Second operand 7 states. [2020-10-27 18:17:09,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:17:09,808 INFO L93 Difference]: Finished difference Result 2442 states and 3869 transitions. [2020-10-27 18:17:09,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 18:17:09,809 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2020-10-27 18:17:09,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:17:09,820 INFO L225 Difference]: With dead ends: 2442 [2020-10-27 18:17:09,820 INFO L226 Difference]: Without dead ends: 1517 [2020-10-27 18:17:09,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:17:09,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2020-10-27 18:17:09,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1311. [2020-10-27 18:17:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1311 states. [2020-10-27 18:17:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1839 transitions. [2020-10-27 18:17:09,890 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1839 transitions. Word has length 162 [2020-10-27 18:17:09,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:17:09,891 INFO L481 AbstractCegarLoop]: Abstraction has 1311 states and 1839 transitions. [2020-10-27 18:17:09,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:17:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1839 transitions. [2020-10-27 18:17:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-27 18:17:09,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:17:09,897 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:17:09,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 18:17:09,898 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:17:09,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:17:09,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1444642384, now seen corresponding path program 1 times [2020-10-27 18:17:09,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:17:09,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075076159] [2020-10-27 18:17:09,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:17:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:10,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:10,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:12,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:12,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-10-27 18:17:12,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:17:12,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2887 [2020-10-27 18:17:12,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:17:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 18:17:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-27 18:17:12,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:12,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:17:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:12,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:12,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:12,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:17:12,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:12,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:17:12,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:12,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:13,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:17:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:13,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:13,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:13,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 18:17:13,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:13,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-27 18:17:13,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:17:13,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:13,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 18:17:13,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:13,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 18:17:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:13,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:13,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:13,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 18:17:13,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:13,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-27 18:17:13,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:13,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:17:13,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:17:13,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 18:17:13,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:13,735 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 18:17:13,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075076159] [2020-10-27 18:17:13,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:17:13,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:17:13,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558763800] [2020-10-27 18:17:13,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:17:13,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:17:13,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:17:13,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:17:13,738 INFO L87 Difference]: Start difference. First operand 1311 states and 1839 transitions. Second operand 7 states. [2020-10-27 18:17:16,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:17:16,768 INFO L93 Difference]: Finished difference Result 3230 states and 4703 transitions. [2020-10-27 18:17:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 18:17:16,769 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 274 [2020-10-27 18:17:16,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:17:16,785 INFO L225 Difference]: With dead ends: 3230 [2020-10-27 18:17:16,786 INFO L226 Difference]: Without dead ends: 1925 [2020-10-27 18:17:16,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-27 18:17:16,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2020-10-27 18:17:16,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1875. [2020-10-27 18:17:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1875 states. [2020-10-27 18:17:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2501 transitions. [2020-10-27 18:17:16,881 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2501 transitions. Word has length 274 [2020-10-27 18:17:16,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:17:16,882 INFO L481 AbstractCegarLoop]: Abstraction has 1875 states and 2501 transitions. [2020-10-27 18:17:16,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:17:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2501 transitions. [2020-10-27 18:17:16,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-27 18:17:16,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:17:16,891 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:17:16,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 18:17:16,891 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:17:16,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:17:16,892 INFO L82 PathProgramCache]: Analyzing trace with hash -2093595828, now seen corresponding path program 1 times [2020-10-27 18:17:16,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:17:16,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570475043] [2020-10-27 18:17:16,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:17:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:17,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:17,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:19,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:19,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-27 18:17:19,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:17:19,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2088 [2020-10-27 18:17:19,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:19,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:17:19,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-27 18:17:19,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-27 18:17:19,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:17:19,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:17:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:19,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:19,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:19,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:17:19,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:19,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:17:19,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:19,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:19,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:17:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:19,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:19,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:19,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-27 18:17:19,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:19,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-27 18:17:19,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:17:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 18:17:19,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:19,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 18:17:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:19,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:19,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:19,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 18:17:19,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:19,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-27 18:17:19,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:17:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:17:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 18:17:19,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:17:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 18:17:19,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570475043] [2020-10-27 18:17:19,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:17:19,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:17:19,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887712394] [2020-10-27 18:17:19,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:17:19,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:17:19,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:17:19,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:17:19,884 INFO L87 Difference]: Start difference. First operand 1875 states and 2501 transitions. Second operand 7 states. [2020-10-27 18:17:22,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:17:22,343 INFO L93 Difference]: Finished difference Result 4326 states and 5944 transitions. [2020-10-27 18:17:22,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 18:17:22,348 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 292 [2020-10-27 18:17:22,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:17:22,362 INFO L225 Difference]: With dead ends: 4326 [2020-10-27 18:17:22,362 INFO L226 Difference]: Without dead ends: 2457 [2020-10-27 18:17:22,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-27 18:17:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2020-10-27 18:17:22,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2445. [2020-10-27 18:17:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2445 states. [2020-10-27 18:17:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 3230 transitions. [2020-10-27 18:17:22,459 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 3230 transitions. Word has length 292 [2020-10-27 18:17:22,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:17:22,460 INFO L481 AbstractCegarLoop]: Abstraction has 2445 states and 3230 transitions. [2020-10-27 18:17:22,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:17:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 3230 transitions. [2020-10-27 18:17:22,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-10-27 18:17:22,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:17:22,470 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:17:22,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 18:17:22,471 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:17:22,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:17:22,472 INFO L82 PathProgramCache]: Analyzing trace with hash -5434083, now seen corresponding path program 1 times [2020-10-27 18:17:22,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:17:22,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453580315] [2020-10-27 18:17:22,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:17:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:22,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:22,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:22,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:24,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:24,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:25,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:27,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:27,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 387 [2020-10-27 18:17:27,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:17:27,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-27 18:17:27,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:17:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 342 [2020-10-27 18:17:27,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 18:17:27,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:27,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:17:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:27,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:27,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:27,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:17:27,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:17:27,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:27,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:27,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:17:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:27,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:27,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:27,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 18:17:27,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:27,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 18:17:27,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:27,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:27,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:27,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:27,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:27,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 18:17:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:27,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:27,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:27,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 18:17:27,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:27,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 18:17:27,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:27,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:27,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 18:17:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:27,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:27,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:27,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 18:17:27,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:27,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 18:17:27,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:27,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:17:27,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:27,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-27 18:17:27,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 108 proven. 3 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2020-10-27 18:17:28,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453580315] [2020-10-27 18:17:28,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:17:28,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:17:28,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773004049] [2020-10-27 18:17:28,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:17:28,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:17:28,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:17:28,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:17:28,193 INFO L87 Difference]: Start difference. First operand 2445 states and 3230 transitions. Second operand 5 states. [2020-10-27 18:17:29,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:17:29,591 INFO L93 Difference]: Finished difference Result 4712 states and 6223 transitions. [2020-10-27 18:17:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:17:29,591 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 371 [2020-10-27 18:17:29,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:17:29,602 INFO L225 Difference]: With dead ends: 4712 [2020-10-27 18:17:29,602 INFO L226 Difference]: Without dead ends: 2265 [2020-10-27 18:17:29,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:17:29,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2265 states. [2020-10-27 18:17:29,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2265 to 2261. [2020-10-27 18:17:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2261 states. [2020-10-27 18:17:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 2960 transitions. [2020-10-27 18:17:29,679 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 2960 transitions. Word has length 371 [2020-10-27 18:17:29,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:17:29,680 INFO L481 AbstractCegarLoop]: Abstraction has 2261 states and 2960 transitions. [2020-10-27 18:17:29,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:17:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2960 transitions. [2020-10-27 18:17:29,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2020-10-27 18:17:29,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:17:29,691 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:29,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 18:17:29,692 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:17:29,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:17:29,693 INFO L82 PathProgramCache]: Analyzing trace with hash 506793451, now seen corresponding path program 1 times [2020-10-27 18:17:29,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:17:29,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [837196983] [2020-10-27 18:17:29,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:17:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:29,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:29,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:30,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:30,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:34,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:34,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 429 [2020-10-27 18:17:34,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:17:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 18:17:34,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:17:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 263 [2020-10-27 18:17:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-27 18:17:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:34,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:17:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:34,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:34,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:34,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:17:34,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:34,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 18:17:34,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:34,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:34,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:17:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:34,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:34,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:34,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 18:17:34,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:34,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 18:17:34,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:34,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:34,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:34,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:34,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:34,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 18:17:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:34,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:35,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:35,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 18:17:35,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:35,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 18:17:35,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:17:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-27 18:17:35,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:35,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-27 18:17:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:35,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:35,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:35,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 18:17:35,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:35,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 18:17:35,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:17:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:17:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 18:17:35,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 295 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-27 18:17:35,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [837196983] [2020-10-27 18:17:35,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:17:35,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:17:35,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012716724] [2020-10-27 18:17:35,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:17:35,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:17:35,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:17:35,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:17:35,563 INFO L87 Difference]: Start difference. First operand 2261 states and 2960 transitions. Second operand 7 states. [2020-10-27 18:17:38,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:17:38,729 INFO L93 Difference]: Finished difference Result 4898 states and 6523 transitions. [2020-10-27 18:17:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 18:17:38,734 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 413 [2020-10-27 18:17:38,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:17:38,745 INFO L225 Difference]: With dead ends: 4898 [2020-10-27 18:17:38,745 INFO L226 Difference]: Without dead ends: 2643 [2020-10-27 18:17:38,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:17:38,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2643 states. [2020-10-27 18:17:38,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2643 to 2637. [2020-10-27 18:17:38,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2637 states. [2020-10-27 18:17:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2637 states and 3431 transitions. [2020-10-27 18:17:38,830 INFO L78 Accepts]: Start accepts. Automaton has 2637 states and 3431 transitions. Word has length 413 [2020-10-27 18:17:38,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:17:38,830 INFO L481 AbstractCegarLoop]: Abstraction has 2637 states and 3431 transitions. [2020-10-27 18:17:38,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:17:38,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 3431 transitions. [2020-10-27 18:17:38,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2020-10-27 18:17:38,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:17:38,845 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 18:17:38,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 18:17:38,845 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:17:38,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:17:38,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1528925188, now seen corresponding path program 1 times [2020-10-27 18:17:38,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:17:38,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679456750] [2020-10-27 18:17:38,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:17:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:38,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:38,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:39,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:40,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:41,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:41,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:43,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:43,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 461 [2020-10-27 18:17:43,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:17:43,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-27 18:17:43,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:17:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 295 [2020-10-27 18:17:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-27 18:17:43,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:44,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:17:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:44,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:44,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:44,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:17:44,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:44,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:17:44,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:44,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:44,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:17:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:44,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:44,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:44,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 18:17:44,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:44,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 18:17:44,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:44,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:44,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 18:17:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:44,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:44,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:44,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-27 18:17:44,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:44,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 18:17:44,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:44,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:44,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-27 18:17:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:44,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:44,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:44,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 18:17:44,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:44,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 18:17:44,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:44,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:17:44,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:44,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 18:17:44,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:44,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-10-27 18:17:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:44,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:44,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:44,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 18:17:44,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:44,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 18:17:44,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:17:44,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:17:44,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 18:17:44,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 411 proven. 2 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-27 18:17:44,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679456750] [2020-10-27 18:17:44,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:17:44,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:17:44,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147434825] [2020-10-27 18:17:44,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:17:44,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:17:44,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:17:44,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:17:44,740 INFO L87 Difference]: Start difference. First operand 2637 states and 3431 transitions. Second operand 7 states. [2020-10-27 18:17:47,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:17:47,842 INFO L93 Difference]: Finished difference Result 5334 states and 7233 transitions. [2020-10-27 18:17:47,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 18:17:47,843 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 443 [2020-10-27 18:17:47,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:17:47,857 INFO L225 Difference]: With dead ends: 5334 [2020-10-27 18:17:47,858 INFO L226 Difference]: Without dead ends: 2703 [2020-10-27 18:17:47,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-27 18:17:47,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2703 states. [2020-10-27 18:17:47,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2703 to 2449. [2020-10-27 18:17:47,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2449 states. [2020-10-27 18:17:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2449 states and 3061 transitions. [2020-10-27 18:17:47,949 INFO L78 Accepts]: Start accepts. Automaton has 2449 states and 3061 transitions. Word has length 443 [2020-10-27 18:17:47,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:17:47,950 INFO L481 AbstractCegarLoop]: Abstraction has 2449 states and 3061 transitions. [2020-10-27 18:17:47,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:17:47,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 3061 transitions. [2020-10-27 18:17:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2020-10-27 18:17:47,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:17:47,959 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:17:47,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 18:17:47,960 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:17:47,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:17:47,961 INFO L82 PathProgramCache]: Analyzing trace with hash -602571914, now seen corresponding path program 1 times [2020-10-27 18:17:47,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:17:47,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039248874] [2020-10-27 18:17:47,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:17:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:48,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:48,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:48,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:48,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:51,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:51,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:53,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:53,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 500 [2020-10-27 18:17:53,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:17:53,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 18:17:53,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:53,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 18:17:53,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-10-27 18:17:53,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 282 [2020-10-27 18:17:53,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:53,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:17:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:53,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:53,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:53,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:17:53,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:53,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:17:53,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:53,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:53,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:17:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:53,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:53,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:53,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 18:17:53,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:53,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 18:17:53,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:17:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:17:53,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:53,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 18:17:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:53,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:53,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:53,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-27 18:17:53,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:53,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 18:17:53,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:17:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:53,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 18:17:53,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:53,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-27 18:17:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:53,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:53,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:53,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:53,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-27 18:17:53,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:17:53,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-27 18:17:53,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:53,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:17:53,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:17:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-27 18:17:53,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:53,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-10-27 18:17:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:17:53,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:17:53,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:17:53,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 18:17:53,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:17:53,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-27 18:17:53,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:17:53,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 18:17:53,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:17:53,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 18:17:53,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:17:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 418 proven. 39 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-10-27 18:17:53,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039248874] [2020-10-27 18:17:53,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:17:53,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 18:17:53,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130239114] [2020-10-27 18:17:53,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 18:17:53,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:17:53,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 18:17:53,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 18:17:53,961 INFO L87 Difference]: Start difference. First operand 2449 states and 3061 transitions. Second operand 9 states. [2020-10-27 18:17:58,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:17:58,195 INFO L93 Difference]: Finished difference Result 6749 states and 8647 transitions. [2020-10-27 18:17:58,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 18:17:58,196 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 482 [2020-10-27 18:17:58,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:17:58,196 INFO L225 Difference]: With dead ends: 6749 [2020-10-27 18:17:58,196 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 18:17:58,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-27 18:17:58,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 18:17:58,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 18:17:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 18:17:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 18:17:58,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 482 [2020-10-27 18:17:58,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:17:58,211 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 18:17:58,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 18:17:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 18:17:58,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 18:17:58,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 18:17:58,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 18:17:59,061 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 92 [2020-10-27 18:18:00,261 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 92 [2020-10-27 18:18:00,550 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 54 [2020-10-27 18:18:00,973 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 55 [2020-10-27 18:18:02,025 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 210 DAG size of output: 72 [2020-10-27 18:18:02,331 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 54 [2020-10-27 18:18:02,404 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 18:18:02,404 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 18:18:02,404 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 18:18:02,404 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 18:18:02,404 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:18:02,405 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 18:18:02,405 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:18:02,405 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-27 18:18:02,405 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 18:18:02,405 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 18:18:02,405 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 18:18:02,405 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-27 18:18:02,405 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-27 18:18:02,405 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-27 18:18:02,406 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,406 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,406 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,406 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-27 18:18:02,406 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 18:18:02,408 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 18:18:02,408 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 18:18:02,408 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-27 18:18:02,408 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-27 18:18:02,408 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-27 18:18:02,408 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-27 18:18:02,408 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,408 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,408 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,408 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-27 18:18:02,409 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-27 18:18:02,409 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 18:18:02,409 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 18:18:02,409 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 18:18:02,409 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-27 18:18:02,410 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-27 18:18:02,411 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-27 18:18:02,411 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,411 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,411 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,411 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-27 18:18:02,414 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 18:18:02,414 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 18:18:02,414 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 18:18:02,414 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-27 18:18:02,414 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-27 18:18:02,414 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-27 18:18:02,414 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-27 18:18:02,414 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-27 18:18:02,414 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,414 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,415 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,415 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-27 18:18:02,415 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 18:18:02,415 INFO L270 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a12~0)| 599999))) (.cse5 (= 7 |old(~a15~0)|)) (.cse1 (not (<= 1 |old(~a24~0)|))) (.cse2 (not (<= |old(~a24~0)| 1))) (.cse3 (not (<= 6 |old(~a21~0)|))) (.cse4 (not (<= |old(~a21~0)| 6)))) (and (or (not (<= 8 |old(~a21~0)|)) .cse0) (or .cse1 .cse2 .cse3 .cse4 (not (<= (+ |old(~a12~0)| 2797) 0))) (or .cse0 .cse5) (or (not (= |old(~a24~0)| 1)) (not (<= 81 |old(~a12~0)|)) (not (= 6 |old(~a21~0)|)) (not .cse5)) (or (not (= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 6123) 0))) (or .cse1 .cse2 (not (<= |old(~a12~0)| 10)) (not (<= 0 (+ |old(~a12~0)| 41))) .cse3 .cse4))) [2020-10-27 18:18:02,415 INFO L274 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-10-27 18:18:02,415 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 18:18:02,415 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-27 18:18:02,415 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-27 18:18:02,415 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-27 18:18:02,416 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,416 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,416 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,416 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-27 18:18:02,416 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 18:18:02,416 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 18:18:02,416 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 18:18:02,416 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-27 18:18:02,416 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,416 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-27 18:18:02,416 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-27 18:18:02,416 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-27 18:18:02,417 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,418 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,418 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,418 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 18:18:02,418 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 18:18:02,420 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 18:18:02,420 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-27 18:18:02,420 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-27 18:18:02,420 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-27 18:18:02,420 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-27 18:18:02,420 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-27 18:18:02,420 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,420 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,421 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,421 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-27 18:18:02,421 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse10 (= ~a24~0 |old(~a24~0)|)) (.cse0 (= ~a12~0 |old(~a12~0)|)) (.cse1 (= ~a15~0 |old(~a15~0)|))) (let ((.cse3 (not (<= 1 |old(~a24~0)|))) (.cse4 (not (<= |old(~a24~0)| 1))) (.cse5 (not (<= 6 |old(~a21~0)|))) (.cse6 (not (<= |old(~a21~0)| 6))) (.cse7 (and .cse10 (<= 6 ~a21~0) .cse0 (<= ~a21~0 6) .cse1)) (.cse8 (and .cse10 (= ~a21~0 |old(~a21~0)|) .cse0 .cse1)) (.cse9 (not (<= |old(~a12~0)| 599999))) (.cse2 (= 7 |old(~a15~0)|))) (and (or (not (= |old(~a24~0)| 1)) (not (<= 81 |old(~a12~0)|)) (and (= ~a21~0 6) (= ~a24~0 1) .cse0 .cse1) (not (= 6 |old(~a21~0)|)) (not .cse2)) (or .cse3 .cse4 .cse5 .cse6 (not (<= (+ |old(~a12~0)| 2797) 0)) .cse7) (or .cse3 .cse4 (not (<= |old(~a12~0)| 10)) (not (<= 0 (+ |old(~a12~0)| 41))) .cse5 .cse6 .cse7) (or (not (<= 8 |old(~a21~0)|)) .cse8 .cse9) (or (not (= 7 |old(~a21~0)|)) (and .cse10 .cse0 (= 7 ~a21~0) .cse1) (not (<= (+ |old(~a12~0)| 6123) 0))) (or .cse8 .cse9 .cse2)))) [2020-10-27 18:18:02,421 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-27 18:18:02,421 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 18:18:02,421 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 18:18:02,421 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 18:18:02,421 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-27 18:18:02,422 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-27 18:18:02,422 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-27 18:18:02,422 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,423 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,423 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,423 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 18:18:02,423 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 18:18:02,424 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 18:18:02,424 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-27 18:18:02,424 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-27 18:18:02,424 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-27 18:18:02,424 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-27 18:18:02,424 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-27 18:18:02,424 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,424 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,424 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,424 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-27 18:18:02,424 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-27 18:18:02,424 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-27 18:18:02,425 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-27 18:18:02,426 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-27 18:18:02,427 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,427 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,427 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-27 18:18:02,427 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 18:18:02,427 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 18:18:02,427 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-27 18:18:02,427 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-27 18:18:02,427 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-27 18:18:02,428 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-27 18:18:02,428 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-27 18:18:02,428 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,428 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,428 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-27 18:18:02,428 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 18:18:02,428 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 18:18:02,428 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-27 18:18:02,428 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-27 18:18:02,428 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-27 18:18:02,428 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,429 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,429 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-27 18:18:02,429 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-27 18:18:02,429 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 18:18:02,429 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 18:18:02,429 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-27 18:18:02,429 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-27 18:18:02,430 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-27 18:18:02,430 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-27 18:18:02,430 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,430 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,430 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-27 18:18:02,430 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-27 18:18:02,430 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 18:18:02,430 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 18:18:02,430 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,430 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-27 18:18:02,430 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-27 18:18:02,430 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-27 18:18:02,431 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,431 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,431 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-27 18:18:02,431 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-27 18:18:02,431 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 18:18:02,431 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 18:18:02,431 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-27 18:18:02,431 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-27 18:18:02,431 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,431 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,431 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 18:18:02,432 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,432 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-27 18:18:02,432 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-27 18:18:02,432 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-27 18:18:02,432 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 18:18:02,432 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 18:18:02,432 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 18:18:02,432 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-27 18:18:02,432 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-27 18:18:02,432 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-27 18:18:02,432 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-27 18:18:02,433 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,433 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,433 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,433 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-27 18:18:02,433 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 18:18:02,433 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 18:18:02,433 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 18:18:02,433 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-27 18:18:02,433 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-27 18:18:02,433 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-27 18:18:02,433 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-27 18:18:02,434 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,434 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,434 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,434 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-27 18:18:02,434 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-27 18:18:02,434 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 18:18:02,434 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 18:18:02,434 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 18:18:02,434 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-27 18:18:02,434 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-27 18:18:02,434 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-27 18:18:02,434 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,435 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,435 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,435 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-27 18:18:02,435 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 18:18:02,435 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 18:18:02,435 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 18:18:02,435 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-27 18:18:02,435 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-27 18:18:02,435 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-27 18:18:02,435 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-27 18:18:02,436 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-27 18:18:02,436 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,437 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,438 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:18:02,438 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:18:02,438 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a15~0) (<= (+ ~a12~0 43) 0) (<= ~a15~0 8) (= 7 ~a21~0)) [2020-10-27 18:18:02,438 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 18:18:02,438 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:18:02,439 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (and (<= 8 ~a15~0) (= ~a24~0 |old(~a24~0)|) (<= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (<= (+ |old(~a12~0)| 43) 0))) [2020-10-27 18:18:02,439 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse0 (<= ~a12~0 599999)) (.cse1 (= 7 ~a15~0)) (.cse2 (<= ~a24~0 1)) (.cse3 (<= 1 ~a24~0)) (.cse4 (<= 6 ~a21~0)) (.cse5 (<= ~a21~0 6))) (or (not (= 7 |old(~a21~0)|)) (not (<= 8 |old(~a15~0)|)) (and .cse0 (not .cse1)) (and (= 7 ~a21~0) (<= (+ ~a12~0 6123) 0)) (and (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) .cse2 .cse3 .cse4 .cse5) (not (<= |old(~a15~0)| 8)) (and (<= 8 ~a21~0) .cse0) (not (<= (+ |old(~a12~0)| 43) 0)) (and .cse1 (<= 81 ~a12~0) (= ~a21~0 6) (= ~a24~0 1)) (and .cse2 .cse3 .cse4 (<= (+ ~a12~0 2797) 0) .cse5))) [2020-10-27 18:18:02,439 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-27 18:18:02,439 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-27 18:18:02,442 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-27 18:18:02,442 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (<= ~a12~0 599999)) (.cse1 (= 7 ~a15~0)) (.cse2 (<= ~a24~0 1)) (.cse3 (<= 1 ~a24~0)) (.cse4 (<= 6 ~a21~0)) (.cse5 (<= ~a21~0 6))) (or (not (= 7 |old(~a21~0)|)) (not (<= 8 |old(~a15~0)|)) (and .cse0 (not .cse1)) (and (= 7 ~a21~0) (<= (+ ~a12~0 6123) 0)) (and (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) .cse2 .cse3 .cse4 .cse5) (not (<= |old(~a15~0)| 8)) (and (<= 8 ~a21~0) .cse0) (not (<= (+ |old(~a12~0)| 43) 0)) (and .cse1 (<= 81 ~a12~0) (= ~a21~0 6) (= ~a24~0 1)) (and .cse2 .cse3 .cse4 (<= (+ ~a12~0 2797) 0) .cse5))) [2020-10-27 18:18:02,442 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-27 18:18:02,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:18:02 BoogieIcfgContainer [2020-10-27 18:18:02,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 18:18:02,482 INFO L168 Benchmark]: Toolchain (without parser) took 80230.39 ms. Allocated memory was 151.0 MB in the beginning and 1.1 GB in the end (delta: 921.7 MB). Free memory was 124.5 MB in the beginning and 500.9 MB in the end (delta: -376.3 MB). Peak memory consumption was 645.8 MB. Max. memory is 8.0 GB. [2020-10-27 18:18:02,486 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 18:18:02,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.43 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 124.2 MB in the end (delta: -312.0 kB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. [2020-10-27 18:18:02,487 INFO L168 Benchmark]: Boogie Preprocessor took 196.03 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 119.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 18:18:02,490 INFO L168 Benchmark]: RCFGBuilder took 1927.33 ms. Allocated memory is still 151.0 MB. Free memory was 119.0 MB in the beginning and 77.1 MB in the end (delta: 41.9 MB). Peak memory consumption was 76.5 MB. Max. memory is 8.0 GB. [2020-10-27 18:18:02,494 INFO L168 Benchmark]: TraceAbstraction took 77318.62 ms. Allocated memory was 151.0 MB in the beginning and 1.1 GB in the end (delta: 921.7 MB). Free memory was 76.5 MB in the beginning and 500.9 MB in the end (delta: -424.3 MB). Peak memory consumption was 597.0 MB. Max. memory is 8.0 GB. [2020-10-27 18:18:02,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 774.43 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 124.2 MB in the end (delta: -312.0 kB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 196.03 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 119.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1927.33 ms. Allocated memory is still 151.0 MB. Free memory was 119.0 MB in the beginning and 77.1 MB in the end (delta: 41.9 MB). Peak memory consumption was 76.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 77318.62 ms. Allocated memory was 151.0 MB in the beginning and 1.1 GB in the end (delta: 921.7 MB). Free memory was 76.5 MB in the beginning and 500.9 MB in the end (delta: -424.3 MB). Peak memory consumption was 597.0 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: 882]: Loop Invariant Derived loop invariant: ((((((((!(7 == \old(a21)) || !(8 <= \old(a15))) || (a12 <= 599999 && !(7 == a15))) || (7 == a21 && a12 + 6123 <= 0)) || (((((0 <= a12 + 41 && a12 <= 10) && a24 <= 1) && 1 <= a24) && 6 <= a21) && a21 <= 6)) || !(\old(a15) <= 8)) || (8 <= a21 && a12 <= 599999)) || !(\old(a12) + 43 <= 0)) || (((7 == a15 && 81 <= a12) && a21 == 6) && a24 == 1)) || ((((a24 <= 1 && 1 <= a24) && 6 <= a21) && a12 + 2797 <= 0) && a21 <= 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 72.9s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 32.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 340 SDtfs, 5527 SDslu, 409 SDs, 0 SdLazy, 15264 SolverSat, 2018 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 98 SyntacticMatches, 6 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2637occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 1292 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 254 PreInvPairs, 310 NumberOfFragments, 579 HoareAnnotationTreeSize, 254 FomulaSimplifications, 2398645 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4365 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 37.9s InterpolantComputationTime, 3039 NumberOfCodeBlocks, 3039 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3027 ConstructedInterpolants, 0 QuantifiedInterpolants, 2416152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 2565/2619 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...