/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=SHALLOWEST --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/Problem02_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 20:37:42,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 20:37:42,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 20:37:42,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 20:37:42,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 20:37:42,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 20:37:42,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 20:37:42,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 20:37:42,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 20:37:42,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 20:37:42,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 20:37:42,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 20:37:42,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 20:37:42,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 20:37:42,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 20:37:42,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 20:37:42,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 20:37:42,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 20:37:42,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 20:37:42,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 20:37:42,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 20:37:42,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 20:37:42,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 20:37:42,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 20:37:42,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 20:37:42,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 20:37:42,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 20:37:42,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 20:37:42,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 20:37:42,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 20:37:42,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 20:37:42,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 20:37:42,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 20:37:42,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 20:37:42,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 20:37:42,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 20:37:42,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 20:37:42,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 20:37:42,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 20:37:42,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 20:37:42,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 20:37:42,634 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 [2020-10-26 20:37:42,667 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 20:37:42,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 20:37:42,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 20:37:42,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 20:37:42,670 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 20:37:42,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 20:37:42,671 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 20:37:42,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 20:37:42,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 20:37:42,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 20:37:42,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 20:37:42,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 20:37:42,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 20:37:42,674 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 20:37:42,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 20:37:42,675 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 20:37:42,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 20:37:42,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 20:37:42,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 20:37:42,676 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 20:37:42,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 20:37:42,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 20:37:42,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 20:37:42,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 20:37:42,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 20:37:42,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 20:37:42,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 20:37:42,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 20:37:42,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 20:37:42,679 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 20:37:43,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 20:37:43,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 20:37:43,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 20:37:43,113 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 20:37:43,114 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 20:37:43,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label06.c [2020-10-26 20:37:43,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c97e7475/71f8bdaee5e84e7ba267b6faa407d972/FLAG79bfaed9e [2020-10-26 20:37:44,047 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 20:37:44,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label06.c [2020-10-26 20:37:44,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c97e7475/71f8bdaee5e84e7ba267b6faa407d972/FLAG79bfaed9e [2020-10-26 20:37:44,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c97e7475/71f8bdaee5e84e7ba267b6faa407d972 [2020-10-26 20:37:44,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 20:37:44,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 20:37:44,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 20:37:44,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 20:37:44,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 20:37:44,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:37:44" (1/1) ... [2020-10-26 20:37:44,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ceb0f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:44, skipping insertion in model container [2020-10-26 20:37:44,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:37:44" (1/1) ... [2020-10-26 20:37:44,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 20:37:44,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 20:37:44,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:37:44,779 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 20:37:44,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:37:45,007 INFO L208 MainTranslator]: Completed translation [2020-10-26 20:37:45,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45 WrapperNode [2020-10-26 20:37:45,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 20:37:45,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 20:37:45,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 20:37:45,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 20:37:45,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 20:37:45,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 20:37:45,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 20:37:45,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 20:37:45,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (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 [2020-10-26 20:37:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 20:37:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 20:37:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 20:37:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 20:37:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 20:37:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 20:37:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 20:37:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 20:37:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 20:37:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 20:37:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 20:37:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 20:37:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 20:37:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 20:37:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 20:37:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 20:37:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 20:37:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 20:37:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 20:37:46,699 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 20:37:46,699 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 20:37:46,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:37:46 BoogieIcfgContainer [2020-10-26 20:37:46,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 20:37:46,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 20:37:46,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 20:37:46,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 20:37:46,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:37:44" (1/3) ... [2020-10-26 20:37:46,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8aa852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:37:46, skipping insertion in model container [2020-10-26 20:37:46,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (2/3) ... [2020-10-26 20:37:46,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8aa852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:37:46, skipping insertion in model container [2020-10-26 20:37:46,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:37:46" (3/3) ... [2020-10-26 20:37:46,711 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label06.c [2020-10-26 20:37:46,723 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 20:37:46,729 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 20:37:46,741 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 20:37:46,770 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 20:37:46,770 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 20:37:46,770 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 20:37:46,770 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 20:37:46,770 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 20:37:46,771 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 20:37:46,771 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 20:37:46,771 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 20:37:46,794 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-26 20:37:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-26 20:37:46,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:37:46,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:37:46,812 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:37:46,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:37:46,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1587906371, now seen corresponding path program 1 times [2020-10-26 20:37:46,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:37:46,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589123774] [2020-10-26 20:37:46,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:37:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:47,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:47,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:49,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:49,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-26 20:37:49,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:37:49,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1926 [2020-10-26 20:37:49,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:49,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:37:49,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:37:49,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-26 20:37:49,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 20:37:49,403 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:37:49,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:37:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:49,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:49,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:49,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:37:49,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:37:49,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-26 20:37:49,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:49,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:37:49,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:37:49,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:37:49,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:37:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:37:49,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589123774] [2020-10-26 20:37:49,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:37:49,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 20:37:49,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537035084] [2020-10-26 20:37:49,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 20:37:49,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:37:49,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 20:37:49,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 20:37:49,581 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-26 20:37:49,832 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:37:52,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:37:52,055 INFO L93 Difference]: Finished difference Result 632 states and 1079 transitions. [2020-10-26 20:37:52,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 20:37:52,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2020-10-26 20:37:52,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:37:52,073 INFO L225 Difference]: With dead ends: 632 [2020-10-26 20:37:52,073 INFO L226 Difference]: Without dead ends: 328 [2020-10-26 20:37:52,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 20:37:52,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-26 20:37:52,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2020-10-26 20:37:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-26 20:37:52,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 481 transitions. [2020-10-26 20:37:52,174 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 481 transitions. Word has length 147 [2020-10-26 20:37:52,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:37:52,175 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 481 transitions. [2020-10-26 20:37:52,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 20:37:52,175 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 481 transitions. [2020-10-26 20:37:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-26 20:37:52,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:37:52,187 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:37:52,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 20:37:52,188 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:37:52,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:37:52,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1394679786, now seen corresponding path program 1 times [2020-10-26 20:37:52,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:37:52,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [83520134] [2020-10-26 20:37:52,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:37:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:52,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:52,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:53,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:53,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:53,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-26 20:37:53,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:37:53,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1534 [2020-10-26 20:37:53,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:37:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:37:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-26 20:37:53,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:37:53,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:37:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:53,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:53,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:53,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:37:53,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:37:53,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-26 20:37:53,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:53,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:37:53,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:37:53,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:37:53,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 20:37:54,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:37:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:54,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:54,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:54,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-26 20:37:54,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:37:54,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-26 20:37:54,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:37:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:37:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-26 20:37:54,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:37:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:37:54,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [83520134] [2020-10-26 20:37:54,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:37:54,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:37:54,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001373475] [2020-10-26 20:37:54,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:37:54,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:37:54,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:37:54,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:37:54,136 INFO L87 Difference]: Start difference. First operand 320 states and 481 transitions. Second operand 7 states. [2020-10-26 20:37:55,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:37:55,350 INFO L93 Difference]: Finished difference Result 643 states and 986 transitions. [2020-10-26 20:37:55,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 20:37:55,352 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2020-10-26 20:37:55,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:37:55,360 INFO L225 Difference]: With dead ends: 643 [2020-10-26 20:37:55,360 INFO L226 Difference]: Without dead ends: 329 [2020-10-26 20:37:55,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-26 20:37:55,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-26 20:37:55,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 311. [2020-10-26 20:37:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-10-26 20:37:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 438 transitions. [2020-10-26 20:37:55,413 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 438 transitions. Word has length 162 [2020-10-26 20:37:55,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:37:55,413 INFO L481 AbstractCegarLoop]: Abstraction has 311 states and 438 transitions. [2020-10-26 20:37:55,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:37:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 438 transitions. [2020-10-26 20:37:55,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-26 20:37:55,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:37:55,418 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:37:55,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 20:37:55,418 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:37:55,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:37:55,419 INFO L82 PathProgramCache]: Analyzing trace with hash 573559436, now seen corresponding path program 1 times [2020-10-26 20:37:55,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:37:55,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225275273] [2020-10-26 20:37:55,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:37:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:55,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:55,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:56,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:56,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:56,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-26 20:37:56,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:37:56,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1302 [2020-10-26 20:37:56,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:37:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:37:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-26 20:37:56,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:37:56,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:37:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:56,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:56,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:56,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:37:56,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:37:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 20:37:56,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:37:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:37:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:37:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:37:56,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:37:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:56,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:56,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:56,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:37:56,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:37:56,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-26 20:37:56,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:37:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:37:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-26 20:37:56,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:37:57,072 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:37:57,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225275273] [2020-10-26 20:37:57,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:37:57,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:37:57,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101321110] [2020-10-26 20:37:57,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:37:57,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:37:57,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:37:57,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:37:57,079 INFO L87 Difference]: Start difference. First operand 311 states and 438 transitions. Second operand 7 states. [2020-10-26 20:37:58,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:37:58,844 INFO L93 Difference]: Finished difference Result 954 states and 1373 transitions. [2020-10-26 20:37:58,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:37:58,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-10-26 20:37:58,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:37:58,855 INFO L225 Difference]: With dead ends: 954 [2020-10-26 20:37:58,855 INFO L226 Difference]: Without dead ends: 649 [2020-10-26 20:37:58,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:37:58,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-10-26 20:37:58,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 619. [2020-10-26 20:37:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2020-10-26 20:37:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 849 transitions. [2020-10-26 20:37:58,922 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 849 transitions. Word has length 169 [2020-10-26 20:37:58,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:37:58,922 INFO L481 AbstractCegarLoop]: Abstraction has 619 states and 849 transitions. [2020-10-26 20:37:58,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:37:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 849 transitions. [2020-10-26 20:37:58,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-26 20:37:58,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:37:58,928 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:37:58,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 20:37:58,929 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:37:58,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:37:58,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1785864148, now seen corresponding path program 1 times [2020-10-26 20:37:58,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:37:58,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147379962] [2020-10-26 20:37:58,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:37:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:58,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:59,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:59,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:00,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:00,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-26 20:38:00,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:00,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1498 [2020-10-26 20:38:00,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:00,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:00,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-26 20:38:00,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:00,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:00,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:00,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:00,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:00,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:00,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-26 20:38:00,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:00,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:00,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:00,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:00,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:00,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:00,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:00,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:00,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-26 20:38:00,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-26 20:38:00,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:00,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:00,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-26 20:38:00,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:00,911 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:38:00,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147379962] [2020-10-26 20:38:00,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:38:00,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:38:00,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529050715] [2020-10-26 20:38:00,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:00,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:00,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:00,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:00,916 INFO L87 Difference]: Start difference. First operand 619 states and 849 transitions. Second operand 7 states. [2020-10-26 20:38:01,085 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:38:02,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:02,782 INFO L93 Difference]: Finished difference Result 1850 states and 2610 transitions. [2020-10-26 20:38:02,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 20:38:02,784 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2020-10-26 20:38:02,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:02,793 INFO L225 Difference]: With dead ends: 1850 [2020-10-26 20:38:02,793 INFO L226 Difference]: Without dead ends: 1237 [2020-10-26 20:38:02,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:38:02,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2020-10-26 20:38:02,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1227. [2020-10-26 20:38:02,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2020-10-26 20:38:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1629 transitions. [2020-10-26 20:38:02,865 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1629 transitions. Word has length 173 [2020-10-26 20:38:02,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:02,865 INFO L481 AbstractCegarLoop]: Abstraction has 1227 states and 1629 transitions. [2020-10-26 20:38:02,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:02,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1629 transitions. [2020-10-26 20:38:02,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-26 20:38:02,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:02,871 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:02,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 20:38:02,872 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:02,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:02,872 INFO L82 PathProgramCache]: Analyzing trace with hash -10300712, now seen corresponding path program 1 times [2020-10-26 20:38:02,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:02,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841404554] [2020-10-26 20:38:02,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:02,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:02,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:03,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:05,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:06,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:06,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-26 20:38:06,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:38:06,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3576 [2020-10-26 20:38:06,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-26 20:38:06,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:06,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:06,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:06,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:06,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:06,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:06,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-26 20:38:06,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:06,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:06,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:06,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-26 20:38:06,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:06,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-26 20:38:06,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:06,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:06,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:06,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-26 20:38:06,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:38:06,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-26 20:38:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:06,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:06,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:06,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:38:06,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:06,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 20:38:06,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:06,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-26 20:38:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:06,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:38:06,772 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 20:38:06,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841404554] [2020-10-26 20:38:06,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:06,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:38:06,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583303025] [2020-10-26 20:38:06,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:06,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:06,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:06,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:06,780 INFO L87 Difference]: Start difference. First operand 1227 states and 1629 transitions. Second operand 7 states. [2020-10-26 20:38:06,935 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-26 20:38:08,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:08,425 INFO L93 Difference]: Finished difference Result 2786 states and 3722 transitions. [2020-10-26 20:38:08,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:38:08,426 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2020-10-26 20:38:08,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:08,436 INFO L225 Difference]: With dead ends: 2786 [2020-10-26 20:38:08,436 INFO L226 Difference]: Without dead ends: 1565 [2020-10-26 20:38:08,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:38:08,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2020-10-26 20:38:08,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1383. [2020-10-26 20:38:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1383 states. [2020-10-26 20:38:08,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1767 transitions. [2020-10-26 20:38:08,506 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1767 transitions. Word has length 177 [2020-10-26 20:38:08,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:08,506 INFO L481 AbstractCegarLoop]: Abstraction has 1383 states and 1767 transitions. [2020-10-26 20:38:08,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:08,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1767 transitions. [2020-10-26 20:38:08,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-26 20:38:08,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:08,512 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:08,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 20:38:08,513 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:08,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:08,513 INFO L82 PathProgramCache]: Analyzing trace with hash -818628843, now seen corresponding path program 1 times [2020-10-26 20:38:08,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:08,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59391316] [2020-10-26 20:38:08,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:08,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:08,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:09,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:09,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-26 20:38:09,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:09,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 590 [2020-10-26 20:38:09,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:09,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:09,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-26 20:38:09,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-26 20:38:09,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:09,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:09,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:09,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:09,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:09,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:09,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:38:09,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:09,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:09,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:09,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:09,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:09,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:09,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:09,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:09,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:38:09,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:09,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 20:38:09,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:09,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:09,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:09,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:38:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:09,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:09,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:09,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:38:09,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:09,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 20:38:09,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:09,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:09,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:09,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 20:38:09,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-26 20:38:09,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59391316] [2020-10-26 20:38:09,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:09,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 20:38:09,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644677029] [2020-10-26 20:38:09,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 20:38:09,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:09,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 20:38:09,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 20:38:09,546 INFO L87 Difference]: Start difference. First operand 1383 states and 1767 transitions. Second operand 5 states. [2020-10-26 20:38:09,852 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-26 20:38:10,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:10,829 INFO L93 Difference]: Finished difference Result 2565 states and 3330 transitions. [2020-10-26 20:38:10,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 20:38:10,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2020-10-26 20:38:10,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:10,840 INFO L225 Difference]: With dead ends: 2565 [2020-10-26 20:38:10,840 INFO L226 Difference]: Without dead ends: 1243 [2020-10-26 20:38:10,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 20:38:10,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2020-10-26 20:38:10,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1235. [2020-10-26 20:38:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1235 states. [2020-10-26 20:38:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1554 transitions. [2020-10-26 20:38:10,902 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1554 transitions. Word has length 182 [2020-10-26 20:38:10,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:10,903 INFO L481 AbstractCegarLoop]: Abstraction has 1235 states and 1554 transitions. [2020-10-26 20:38:10,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 20:38:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1554 transitions. [2020-10-26 20:38:10,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-26 20:38:10,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:10,910 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:10,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 20:38:10,911 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:10,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:10,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1172375592, now seen corresponding path program 1 times [2020-10-26 20:38:10,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:10,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406571287] [2020-10-26 20:38:10,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:10,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:10,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:11,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:13,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:14,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:14,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:14,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-26 20:38:14,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 20:38:14,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3860 [2020-10-26 20:38:14,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-26 20:38:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-26 20:38:14,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:14,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:14,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:14,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:14,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:14,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:14,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 20:38:14,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:14,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:14,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:14,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:14,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:14,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:14,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:14,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:14,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:38:14,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:14,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:38:14,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:14,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:14,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:14,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-26 20:38:14,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:14,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:38:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:14,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:15,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:15,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-26 20:38:15,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:15,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-26 20:38:15,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:15,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:15,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:15,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-26 20:38:15,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:15,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-26 20:38:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:15,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:15,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:15,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-26 20:38:15,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:15,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 20:38:15,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-26 20:38:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:15,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 68 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-26 20:38:15,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406571287] [2020-10-26 20:38:15,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:15,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:38:15,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014675233] [2020-10-26 20:38:15,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:15,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:15,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:15,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:15,130 INFO L87 Difference]: Start difference. First operand 1235 states and 1554 transitions. Second operand 7 states. [2020-10-26 20:38:17,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:17,035 INFO L93 Difference]: Finished difference Result 2795 states and 3633 transitions. [2020-10-26 20:38:17,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:38:17,036 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2020-10-26 20:38:17,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:17,043 INFO L225 Difference]: With dead ends: 2795 [2020-10-26 20:38:17,044 INFO L226 Difference]: Without dead ends: 1396 [2020-10-26 20:38:17,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:38:17,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2020-10-26 20:38:17,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1386. [2020-10-26 20:38:17,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1386 states. [2020-10-26 20:38:17,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1625 transitions. [2020-10-26 20:38:17,103 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1625 transitions. Word has length 214 [2020-10-26 20:38:17,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:17,104 INFO L481 AbstractCegarLoop]: Abstraction has 1386 states and 1625 transitions. [2020-10-26 20:38:17,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:17,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1625 transitions. [2020-10-26 20:38:17,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-26 20:38:17,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:17,111 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:17,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 20:38:17,111 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:17,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:17,112 INFO L82 PathProgramCache]: Analyzing trace with hash -243510880, now seen corresponding path program 1 times [2020-10-26 20:38:17,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:17,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016127540] [2020-10-26 20:38:17,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:17,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:17,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:17,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:17,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:19,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:21,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:21,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:21,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-26 20:38:21,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-26 20:38:21,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4538 [2020-10-26 20:38:21,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:21,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:21,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-26 20:38:21,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-26 20:38:21,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:21,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:21,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:21,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:21,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:21,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:21,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 20:38:21,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:21,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:21,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:21,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:21,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 20:38:21,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:21,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:21,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:21,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:38:21,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:21,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 20:38:21,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:21,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:21,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:21,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-26 20:38:21,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:38:21,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:38:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:21,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:21,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:21,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-26 20:38:21,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:21,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-26 20:38:21,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-26 20:38:21,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:38:21,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-26 20:38:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:21,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:21,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:21,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-26 20:38:21,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:21,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 20:38:21,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-26 20:38:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:21,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 76 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-26 20:38:21,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016127540] [2020-10-26 20:38:21,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:21,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:38:21,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219480918] [2020-10-26 20:38:21,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:21,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:21,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:21,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:21,966 INFO L87 Difference]: Start difference. First operand 1386 states and 1625 transitions. Second operand 7 states. [2020-10-26 20:38:24,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:24,191 INFO L93 Difference]: Finished difference Result 2948 states and 3495 transitions. [2020-10-26 20:38:24,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:38:24,192 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2020-10-26 20:38:24,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:24,200 INFO L225 Difference]: With dead ends: 2948 [2020-10-26 20:38:24,200 INFO L226 Difference]: Without dead ends: 1550 [2020-10-26 20:38:24,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:38:24,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2020-10-26 20:38:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1080. [2020-10-26 20:38:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2020-10-26 20:38:24,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1185 transitions. [2020-10-26 20:38:24,245 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1185 transitions. Word has length 218 [2020-10-26 20:38:24,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:24,246 INFO L481 AbstractCegarLoop]: Abstraction has 1080 states and 1185 transitions. [2020-10-26 20:38:24,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1185 transitions. [2020-10-26 20:38:24,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-26 20:38:24,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:24,252 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 20:38:24,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 20:38:24,252 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:24,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:24,253 INFO L82 PathProgramCache]: Analyzing trace with hash -617860909, now seen corresponding path program 1 times [2020-10-26 20:38:24,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:24,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467626072] [2020-10-26 20:38:24,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:24,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:24,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:25,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:25,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-26 20:38:25,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:25,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1177 [2020-10-26 20:38:25,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-26 20:38:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-26 20:38:25,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:25,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:25,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:25,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:25,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:25,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:25,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:38:25,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:25,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:25,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:25,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:25,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:25,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:38:25,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:25,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-26 20:38:25,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:25,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:25,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:25,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-26 20:38:25,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:25,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:38:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:25,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:25,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:25,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-26 20:38:25,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:25,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-26 20:38:25,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:25,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:25,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:25,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-26 20:38:25,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:25,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-26 20:38:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:25,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:25,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:25,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 20:38:25,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:25,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-26 20:38:25,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-26 20:38:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:25,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 122 proven. 35 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-26 20:38:26,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467626072] [2020-10-26 20:38:26,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:26,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 20:38:26,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990005816] [2020-10-26 20:38:26,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:38:26,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:26,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:38:26,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:38:26,017 INFO L87 Difference]: Start difference. First operand 1080 states and 1185 transitions. Second operand 8 states. [2020-10-26 20:38:28,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:28,184 INFO L93 Difference]: Finished difference Result 2776 states and 3138 transitions. [2020-10-26 20:38:28,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 20:38:28,184 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 266 [2020-10-26 20:38:28,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:28,193 INFO L225 Difference]: With dead ends: 2776 [2020-10-26 20:38:28,193 INFO L226 Difference]: Without dead ends: 1846 [2020-10-26 20:38:28,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-26 20:38:28,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2020-10-26 20:38:28,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1838. [2020-10-26 20:38:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2020-10-26 20:38:28,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2056 transitions. [2020-10-26 20:38:28,250 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2056 transitions. Word has length 266 [2020-10-26 20:38:28,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:28,251 INFO L481 AbstractCegarLoop]: Abstraction has 1838 states and 2056 transitions. [2020-10-26 20:38:28,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:38:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2056 transitions. [2020-10-26 20:38:28,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-10-26 20:38:28,259 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:28,259 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:28,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 20:38:28,260 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:28,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:28,260 INFO L82 PathProgramCache]: Analyzing trace with hash 773377238, now seen corresponding path program 1 times [2020-10-26 20:38:28,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:28,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727926880] [2020-10-26 20:38:28,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:28,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:28,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:29,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:29,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 312 [2020-10-26 20:38:29,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:29,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1076 [2020-10-26 20:38:29,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:29,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:29,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-26 20:38:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-26 20:38:29,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:29,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:29,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:29,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:29,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:29,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:29,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 20:38:29,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:29,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:29,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:29,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:29,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:29,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:29,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:29,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-26 20:38:29,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:29,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-26 20:38:29,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-26 20:38:29,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:29,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-26 20:38:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:29,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:29,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:29,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-26 20:38:29,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:29,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-26 20:38:29,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:29,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:29,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:29,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-26 20:38:29,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:29,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-26 20:38:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:29,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:29,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:29,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 20:38:29,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:29,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-26 20:38:29,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:29,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:29,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-26 20:38:29,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:29,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 167 proven. 27 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-26 20:38:29,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727926880] [2020-10-26 20:38:29,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:29,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 20:38:29,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913514570] [2020-10-26 20:38:29,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:38:29,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:29,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:38:29,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:38:29,806 INFO L87 Difference]: Start difference. First operand 1838 states and 2056 transitions. Second operand 8 states. [2020-10-26 20:38:31,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:31,756 INFO L93 Difference]: Finished difference Result 3223 states and 3617 transitions. [2020-10-26 20:38:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:38:31,757 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 296 [2020-10-26 20:38:31,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:31,764 INFO L225 Difference]: With dead ends: 3223 [2020-10-26 20:38:31,764 INFO L226 Difference]: Without dead ends: 1535 [2020-10-26 20:38:31,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:38:31,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2020-10-26 20:38:31,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1523. [2020-10-26 20:38:31,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2020-10-26 20:38:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1645 transitions. [2020-10-26 20:38:31,815 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1645 transitions. Word has length 296 [2020-10-26 20:38:31,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:31,816 INFO L481 AbstractCegarLoop]: Abstraction has 1523 states and 1645 transitions. [2020-10-26 20:38:31,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:38:31,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1645 transitions. [2020-10-26 20:38:31,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-10-26 20:38:31,823 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:31,824 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:31,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 20:38:31,824 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:31,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:31,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1340589106, now seen corresponding path program 1 times [2020-10-26 20:38:31,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:31,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244426569] [2020-10-26 20:38:31,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:31,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:32,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:32,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 326 [2020-10-26 20:38:32,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:32,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 408 [2020-10-26 20:38:32,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:32,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:32,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-26 20:38:32,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-26 20:38:32,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:32,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:32,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:32,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:32,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:32,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:32,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 20:38:32,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:32,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:32,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:32,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:32,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:32,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:32,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:32,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:32,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-26 20:38:32,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:32,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 20:38:32,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:32,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:32,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:32,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:32,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:32,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-26 20:38:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:32,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:32,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:32,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-26 20:38:32,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:32,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-26 20:38:32,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:32,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-26 20:38:32,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:32,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-26 20:38:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:32,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:32,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:32,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 20:38:32,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:32,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-26 20:38:32,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:32,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:32,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:32,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-26 20:38:32,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 244 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-26 20:38:32,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244426569] [2020-10-26 20:38:32,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:32,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:38:32,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975137421] [2020-10-26 20:38:32,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:32,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:32,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:32,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:32,873 INFO L87 Difference]: Start difference. First operand 1523 states and 1645 transitions. Second operand 7 states. [2020-10-26 20:38:33,658 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-26 20:38:34,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:34,395 INFO L93 Difference]: Finished difference Result 2751 states and 2991 transitions. [2020-10-26 20:38:34,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 20:38:34,396 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 310 [2020-10-26 20:38:34,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:34,396 INFO L225 Difference]: With dead ends: 2751 [2020-10-26 20:38:34,396 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 20:38:34,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:38:34,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 20:38:34,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 20:38:34,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 20:38:34,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 20:38:34,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 310 [2020-10-26 20:38:34,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:34,403 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 20:38:34,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:34,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 20:38:34,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 20:38:34,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 20:38:34,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 20:38:35,037 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 33 [2020-10-26 20:38:35,252 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2020-10-26 20:38:36,463 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 155 DAG size of output: 73 [2020-10-26 20:38:37,060 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 53 [2020-10-26 20:38:37,550 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 53 [2020-10-26 20:38:37,555 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 20:38:37,556 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 20:38:37,556 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 20:38:37,556 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 20:38:37,556 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:38:37,556 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-26 20:38:37,556 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:38:37,557 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-26 20:38:37,557 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-26 20:38:37,557 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-26 20:38:37,557 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-26 20:38:37,557 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-26 20:38:37,557 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-26 20:38:37,557 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-26 20:38:37,557 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:38:37,557 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-26 20:38:37,558 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:38:37,558 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-26 20:38:37,558 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:38:37,558 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:38:37,558 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-26 20:38:37,558 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-26 20:38:37,558 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,558 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,558 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,558 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,559 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,559 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-26 20:38:37,559 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-26 20:38:37,559 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-26 20:38:37,559 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-26 20:38:37,559 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-26 20:38:37,559 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-26 20:38:37,559 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-26 20:38:37,559 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-26 20:38:37,559 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-26 20:38:37,560 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-26 20:38:37,560 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:38:37,560 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:38:37,560 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-26 20:38:37,560 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,560 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,560 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,560 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,560 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-26 20:38:37,560 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,561 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-26 20:38:37,561 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-26 20:38:37,561 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-26 20:38:37,561 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-26 20:38:37,561 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-26 20:38:37,561 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-26 20:38:37,561 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-26 20:38:37,561 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:38:37,561 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:38:37,561 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-26 20:38:37,561 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-26 20:38:37,562 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-26 20:38:37,562 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:38:37,562 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:38:37,562 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-26 20:38:37,562 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,562 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,562 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,562 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,562 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,562 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:38:37,563 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-26 20:38:37,563 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:38:37,563 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-26 20:38:37,563 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-26 20:38:37,563 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-26 20:38:37,563 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-26 20:38:37,563 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-26 20:38:37,563 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-26 20:38:37,563 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-26 20:38:37,563 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-26 20:38:37,563 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,564 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,564 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,564 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,564 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,566 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-26 20:38:37,566 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-26 20:38:37,566 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-26 20:38:37,566 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-26 20:38:37,566 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-26 20:38:37,567 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-26 20:38:37,567 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-26 20:38:37,567 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-26 20:38:37,567 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-26 20:38:37,567 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-26 20:38:37,567 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-26 20:38:37,567 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-26 20:38:37,567 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-26 20:38:37,567 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,567 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,567 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,568 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,568 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,568 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-26 20:38:37,568 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-26 20:38:37,568 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-26 20:38:37,568 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-26 20:38:37,568 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-26 20:38:37,568 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-26 20:38:37,568 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-26 20:38:37,568 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-26 20:38:37,568 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-26 20:38:37,569 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,569 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,569 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-26 20:38:37,569 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-26 20:38:37,569 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-26 20:38:37,569 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-26 20:38:37,569 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:38:37,569 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-26 20:38:37,569 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:38:37,569 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,569 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,569 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,570 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,570 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-26 20:38:37,570 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,570 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:38:37,570 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,570 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:38:37,570 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:38:37,570 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:38:37,570 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-26 20:38:37,570 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-26 20:38:37,571 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-26 20:38:37,571 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-26 20:38:37,571 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-26 20:38:37,571 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-26 20:38:37,571 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-26 20:38:37,571 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-26 20:38:37,571 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-26 20:38:37,571 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-26 20:38:37,571 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-26 20:38:37,571 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,571 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,572 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,572 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,572 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,572 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,573 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-26 20:38:37,573 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-26 20:38:37,573 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-26 20:38:37,573 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-26 20:38:37,573 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-26 20:38:37,573 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-26 20:38:37,573 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-26 20:38:37,574 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-26 20:38:37,575 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-26 20:38:37,575 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-26 20:38:37,575 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-26 20:38:37,575 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-26 20:38:37,575 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse0 (not (= |old(~a25~0)| 1))) (.cse6 (= ~a25~0 1)) (.cse11 (= ~a19~0 1)) (.cse12 (not (= |old(~a19~0)| 1))) (.cse8 (= ~a28~0 10)) (.cse2 (not (= 10 |old(~a28~0)|))) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse3 (not (<= 8 |old(~a17~0)|))) (.cse9 (= ~a28~0 |old(~a28~0)|)) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= ~a25~0 |old(~a25~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|)) (.cse14 (not (= 0 |old(~a25~0)|))) (.cse10 (not (<= |old(~a28~0)| 9)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8)) (or .cse0 .cse1 (and .cse9 .cse4 .cse5 .cse6 .cse7) .cse10 (= |old(~a17~0)| |old(~a28~0)|)) (or .cse0 .cse1 (and (= ~a25~0 ~a11~0) .cse4 .cse11 (= 7 ~a28~0) .cse6) .cse12 (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse0 .cse1 .cse12 .cse3 (and .cse9 .cse4 .cse5 .cse11 .cse6)) (or (and .cse4 .cse5 .cse11 .cse13 .cse8) .cse1 .cse2 .cse12 .cse3) (or (and (= ~a19~0 0) .cse4 .cse5 .cse13 .cse8) .cse2 (not (= 7 |old(~a17~0)|)) (not (= 0 |old(~a19~0)|)) .cse14 (not (= ~a21~0 1)) (not (= |old(~a11~0)| 1))) (or .cse1 .cse3 (and .cse9 .cse4 .cse5 .cse13 .cse7) .cse14 .cse10))) [2020-10-26 20:38:37,575 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-26 20:38:37,575 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-26 20:38:37,575 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-26 20:38:37,576 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,577 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,578 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,578 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,578 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,578 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-26 20:38:37,578 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-26 20:38:37,578 INFO L270 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (= 10 |old(~a28~0)|))) (.cse5 (not (= |old(~a25~0)| 1))) (.cse3 (not (= |old(~a19~0)| 1))) (.cse2 (not (<= |old(~a17~0)| 8))) (.cse4 (not (<= 8 |old(~a17~0)|))) (.cse1 (not (= 0 |old(~a25~0)|))) (.cse6 (not (<= |old(~a28~0)| 9)))) (and (or .cse0 (not (= 7 |old(~a17~0)|)) (not (= 0 |old(~a19~0)|)) .cse1 (not (= ~a21~0 1)) (not (= |old(~a11~0)| 1))) (or .cse2 .cse0 .cse3 .cse4) (or .cse5 .cse2 .cse0 .cse4) (or .cse5 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 (= |old(~a17~0)| |old(~a28~0)|)) (or .cse5 .cse2 .cse3 (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse2 .cse4 .cse1 .cse6))) [2020-10-26 20:38:37,578 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-26 20:38:37,578 INFO L274 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-10-26 20:38:37,578 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-26 20:38:37,578 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-26 20:38:37,578 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-26 20:38:37,579 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-26 20:38:37,579 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-26 20:38:37,579 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-26 20:38:37,579 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-26 20:38:37,579 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:38:37,579 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:38:37,579 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-26 20:38:37,579 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-26 20:38:37,579 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-26 20:38:37,579 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,579 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,580 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,580 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,580 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:37,580 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-26 20:38:37,580 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-26 20:38:37,580 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-26 20:38:37,580 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-26 20:38:37,580 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:38:37,580 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 0) (<= 8 ~a17~0) (= 7 ~a28~0) (<= ~a17~0 8)) [2020-10-26 20:38:37,580 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 20:38:37,581 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:38:37,581 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 9)) (.cse0 (= ~a25~0 0)) (.cse1 (<= 8 ~a17~0)) (.cse5 (= ~a28~0 10)) (.cse6 (= ~a19~0 1)) (.cse4 (= ~a25~0 1)) (.cse3 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (not (= ~a28~0 ~a17~0)) .cse4 .cse2 .cse3) (and (= ~a19~0 0) (= 7 ~a17~0) .cse0 (= ~a21~0 1) (= ~a11~0 1) .cse5) (and .cse1 .cse4 .cse3 .cse5) (not (= 0 |old(~a25~0)|)) (and .cse6 .cse1 .cse4 .cse3) (and .cse6 .cse1 .cse3 .cse5) (not (<= |old(~a17~0)| 8)) (not (= 7 |old(~a28~0)|)) (and (= ~a25~0 ~a11~0) .cse6 (= 7 ~a28~0) .cse4 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-26 20:38:37,581 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 7 |old(~a28~0)|)) (and (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= 7 ~a28~0)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-26 20:38:37,581 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:38:37,581 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:38:37,581 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 9)) (.cse0 (= ~a25~0 0)) (.cse1 (<= 8 ~a17~0)) (.cse5 (= ~a28~0 10)) (.cse6 (= ~a19~0 1)) (.cse4 (= ~a25~0 1)) (.cse3 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (not (= ~a28~0 ~a17~0)) .cse4 .cse2 .cse3) (and (= ~a19~0 0) (= 7 ~a17~0) .cse0 (= ~a21~0 1) (= ~a11~0 1) .cse5) (and .cse1 .cse4 .cse3 .cse5) (not (= 0 |old(~a25~0)|)) (and .cse6 .cse1 .cse4 .cse3) (and .cse6 .cse1 .cse3 .cse5) (not (<= |old(~a17~0)| 8)) (not (= 7 |old(~a28~0)|)) (and (= ~a25~0 ~a11~0) .cse6 (= 7 ~a28~0) .cse4 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-26 20:38:37,582 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-26 20:38:37,582 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-26 20:38:37,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:38:37 BoogieIcfgContainer [2020-10-26 20:38:37,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 20:38:37,605 INFO L168 Benchmark]: Toolchain (without parser) took 53364.29 ms. Allocated memory was 165.7 MB in the beginning and 906.0 MB in the end (delta: 740.3 MB). Free memory was 139.2 MB in the beginning and 779.7 MB in the end (delta: -640.4 MB). Peak memory consumption was 540.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:37,605 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory is still 80.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 20:38:37,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.07 ms. Allocated memory is still 165.7 MB. Free memory was 138.5 MB in the beginning and 112.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:37,607 INFO L168 Benchmark]: Boogie Preprocessor took 148.29 ms. Allocated memory is still 165.7 MB. Free memory was 112.3 MB in the beginning and 107.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:37,607 INFO L168 Benchmark]: RCFGBuilder took 1541.05 ms. Allocated memory is still 165.7 MB. Free memory was 107.5 MB in the beginning and 91.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:37,608 INFO L168 Benchmark]: TraceAbstraction took 50899.41 ms. Allocated memory was 165.7 MB in the beginning and 906.0 MB in the end (delta: 740.3 MB). Free memory was 90.9 MB in the beginning and 779.7 MB in the end (delta: -688.8 MB). Peak memory consumption was 490.8 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:37,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory is still 80.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 762.07 ms. Allocated memory is still 165.7 MB. Free memory was 138.5 MB in the beginning and 112.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 148.29 ms. Allocated memory is still 165.7 MB. Free memory was 112.3 MB in the beginning and 107.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1541.05 ms. Allocated memory is still 165.7 MB. Free memory was 107.5 MB in the beginning and 91.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 50899.41 ms. Allocated memory was 165.7 MB in the beginning and 906.0 MB in the end (delta: 740.3 MB). Free memory was 90.9 MB in the beginning and 779.7 MB in the end (delta: -688.8 MB). Peak memory consumption was 490.8 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: 608]: Loop Invariant Derived loop invariant: ((((((((((((((a25 == 0 && 8 <= a17) && a28 <= 9) && a17 <= 8) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || (((!(a28 == a17) && a25 == 1) && a28 <= 9) && a17 <= 8)) || (((((a19 == 0 && 7 == a17) && a25 == 0) && a21 == 1) && a11 == 1) && a28 == 10)) || (((8 <= a17 && a25 == 1) && a17 <= 8) && a28 == 10)) || !(0 == \old(a25))) || (((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8)) || (((a19 == 1 && 8 <= a17) && a17 <= 8) && a28 == 10)) || !(\old(a17) <= 8)) || !(7 == \old(a28))) || ((((a25 == a11 && a19 == 1) && 7 == a28) && a25 == 1) && a17 <= 8)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 47.6s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 20.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 378 SDtfs, 5074 SDslu, 498 SDs, 0 SdLazy, 9354 SolverSat, 1250 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 89 SyntacticMatches, 2 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1838occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 756 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 175 PreInvPairs, 201 NumberOfFragments, 770 HoareAnnotationTreeSize, 175 FomulaSimplifications, 32841 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4992 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 25.1s InterpolantComputationTime, 2314 NumberOfCodeBlocks, 2314 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2303 ConstructedInterpolants, 0 QuantifiedInterpolants, 1537107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 921/1044 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...