/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/Problem10_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:30:39,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:30:39,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:30:39,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:30:39,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:30:39,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:30:39,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:30:39,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:30:39,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:30:39,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:30:39,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:30:39,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:30:39,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:30:39,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:30:39,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:30:39,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:30:39,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:30:39,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:30:39,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:30:39,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:30:39,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:30:39,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:30:39,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:30:39,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:30:39,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:30:39,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:30:39,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:30:39,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:30:39,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:30:39,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:30:39,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:30:39,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:30:39,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:30:39,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:30:39,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:30:39,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:30:39,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:30:39,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:30:39,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:30:39,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:30:39,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:30:39,788 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 22:30:39,842 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:30:39,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:30:39,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:30:39,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:30:39,849 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:30:39,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:30:39,850 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:30:39,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:30:39,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:30:39,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:30:39,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:30:39,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:30:39,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:30:39,853 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:30:39,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:30:39,853 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:30:39,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:30:39,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:30:39,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:30:39,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:30:39,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:30:39,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:30:39,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:30:39,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:30:39,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:30:39,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:30:39,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:30:39,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:30:39,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:30:39,856 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:30:40,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:30:40,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:30:40,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:30:40,336 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:30:40,337 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:30:40,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label14.c [2020-10-26 22:30:40,429 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f5c0c73e/d29042960e394de4a4dab8496871ac2c/FLAGaf60d90f3 [2020-10-26 22:30:41,286 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:30:41,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label14.c [2020-10-26 22:30:41,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f5c0c73e/d29042960e394de4a4dab8496871ac2c/FLAGaf60d90f3 [2020-10-26 22:30:41,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f5c0c73e/d29042960e394de4a4dab8496871ac2c [2020-10-26 22:30:41,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:30:41,541 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:30:41,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:30:41,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:30:41,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:30:41,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:30:41" (1/1) ... [2020-10-26 22:30:41,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193924e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:41, skipping insertion in model container [2020-10-26 22:30:41,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:30:41" (1/1) ... [2020-10-26 22:30:41,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:30:41,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:30:42,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:30:42,082 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:30:42,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:30:42,337 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:30:42,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:42 WrapperNode [2020-10-26 22:30:42,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:30:42,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:30:42,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:30:42,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:30:42,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:42" (1/1) ... [2020-10-26 22:30:42,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:42" (1/1) ... [2020-10-26 22:30:42,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:42" (1/1) ... [2020-10-26 22:30:42,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:42" (1/1) ... [2020-10-26 22:30:42,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:42" (1/1) ... [2020-10-26 22:30:42,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:42" (1/1) ... [2020-10-26 22:30:42,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:42" (1/1) ... [2020-10-26 22:30:42,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:30:42,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:30:42,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:30:42,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:30:42,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:42" (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 22:30:42,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:30:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:30:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:30:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:30:42,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:30:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:30:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:30:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:30:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:30:42,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:30:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:30:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:30:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:30:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:30:42,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:30:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:30:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:30:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:30:42,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:30:44,446 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:30:44,446 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:30:44,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:30:44 BoogieIcfgContainer [2020-10-26 22:30:44,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:30:44,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:30:44,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:30:44,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:30:44,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:30:41" (1/3) ... [2020-10-26 22:30:44,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc49883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:30:44, skipping insertion in model container [2020-10-26 22:30:44,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:42" (2/3) ... [2020-10-26 22:30:44,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc49883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:30:44, skipping insertion in model container [2020-10-26 22:30:44,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:30:44" (3/3) ... [2020-10-26 22:30:44,464 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label14.c [2020-10-26 22:30:44,479 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:30:44,486 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:30:44,501 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:30:44,546 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:30:44,547 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:30:44,547 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:30:44,547 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:30:44,547 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:30:44,547 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:30:44,547 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:30:44,548 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:30:44,581 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-26 22:30:44,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-26 22:30:44,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:44,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:44,595 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:44,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:44,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1630397604, now seen corresponding path program 1 times [2020-10-26 22:30:44,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:44,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676392390] [2020-10-26 22:30:44,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:44,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:45,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:45,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-26 22:30:45,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:45,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 603 [2020-10-26 22:30:45,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:30:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:30:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-26 22:30:45,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 22:30:45,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:45,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:45,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:45,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:45,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:45,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-26 22:30:45,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:45,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:30:45,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:30:45,778 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 22:30:45,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676392390] [2020-10-26 22:30:45,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:30:45,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:30:45,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799149850] [2020-10-26 22:30:45,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:30:45,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:45,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:30:45,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:30:45,807 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-26 22:30:45,971 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-26 22:30:48,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:48,197 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-26 22:30:48,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:30:48,200 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-10-26 22:30:48,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:48,215 INFO L225 Difference]: With dead ends: 586 [2020-10-26 22:30:48,216 INFO L226 Difference]: Without dead ends: 303 [2020-10-26 22:30:48,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:30:48,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-26 22:30:48,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-26 22:30:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-26 22:30:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-26 22:30:48,303 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 38 [2020-10-26 22:30:48,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:48,304 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-26 22:30:48,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:30:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-26 22:30:48,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-26 22:30:48,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:48,315 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:48,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:30:48,318 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:48,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:48,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1748520328, now seen corresponding path program 1 times [2020-10-26 22:30:48,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:48,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560583139] [2020-10-26 22:30:48,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:48,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:48,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:49,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:49,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:30:49,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:30:49,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 883 [2020-10-26 22:30:49,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 22:30:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:30:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-26 22:30:49,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:30:49,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:49,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:49,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:49,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:49,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:49,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-26 22:30:49,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:49,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:49,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:49,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:30:49,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:30:49,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:49,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:49,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:49,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:49,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:30:49,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:30:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-26 22:30:49,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:30:49,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-26 22:30:49,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 22:30:49,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560583139] [2020-10-26 22:30:49,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:49,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:30:49,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236571840] [2020-10-26 22:30:49,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:30:49,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:49,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:30:49,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:30:49,855 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 6 states. [2020-10-26 22:30:51,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:51,465 INFO L93 Difference]: Finished difference Result 890 states and 1204 transitions. [2020-10-26 22:30:51,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 22:30:51,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-10-26 22:30:51,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:51,473 INFO L225 Difference]: With dead ends: 890 [2020-10-26 22:30:51,473 INFO L226 Difference]: Without dead ends: 597 [2020-10-26 22:30:51,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:30:51,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-26 22:30:51,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 591. [2020-10-26 22:30:51,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-26 22:30:51,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 760 transitions. [2020-10-26 22:30:51,548 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 760 transitions. Word has length 108 [2020-10-26 22:30:51,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:51,551 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 760 transitions. [2020-10-26 22:30:51,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:30:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 760 transitions. [2020-10-26 22:30:51,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-26 22:30:51,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:51,561 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:51,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:30:51,565 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:51,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:51,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1530845752, now seen corresponding path program 1 times [2020-10-26 22:30:51,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:51,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [242760975] [2020-10-26 22:30:51,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:51,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:51,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:52,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:52,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-26 22:30:52,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:30:52,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 807 [2020-10-26 22:30:52,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:52,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:52,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-26 22:30:52,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-26 22:30:52,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:52,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:52,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:52,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:52,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:52,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:52,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:30:52,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:52,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:52,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:52,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:52,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:52,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:52,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:52,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:52,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-26 22:30:52,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-26 22:30:52,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:30:52,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:30:52,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [242760975] [2020-10-26 22:30:52,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:52,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:30:52,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097239181] [2020-10-26 22:30:52,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:30:52,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:52,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:30:52,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:30:52,797 INFO L87 Difference]: Start difference. First operand 591 states and 760 transitions. Second operand 5 states. [2020-10-26 22:30:54,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:54,499 INFO L93 Difference]: Finished difference Result 1472 states and 1926 transitions. [2020-10-26 22:30:54,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:30:54,502 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 117 [2020-10-26 22:30:54,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:54,506 INFO L225 Difference]: With dead ends: 1472 [2020-10-26 22:30:54,506 INFO L226 Difference]: Without dead ends: 597 [2020-10-26 22:30:54,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:30:54,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-26 22:30:54,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 591. [2020-10-26 22:30:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-26 22:30:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 736 transitions. [2020-10-26 22:30:54,535 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 736 transitions. Word has length 117 [2020-10-26 22:30:54,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:54,535 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 736 transitions. [2020-10-26 22:30:54,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:30:54,536 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 736 transitions. [2020-10-26 22:30:54,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-26 22:30:54,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:54,539 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:54,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:30:54,539 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:54,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:54,540 INFO L82 PathProgramCache]: Analyzing trace with hash -327361048, now seen corresponding path program 1 times [2020-10-26 22:30:54,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:54,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036709381] [2020-10-26 22:30:54,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:54,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:54,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:55,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:55,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:55,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-26 22:30:55,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:30:55,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 914 [2020-10-26 22:30:55,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:55,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:55,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:30:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 22:30:55,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-26 22:30:55,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:55,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:55,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:55,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:55,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:55,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:30:55,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:55,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:55,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:55,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:55,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:55,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:55,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:55,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:55,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:30:55,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:55,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-26 22:30:55,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:30:55,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:55,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:30:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:55,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:55,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:55,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:30:55,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:55,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-26 22:30:55,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:55,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:30:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:30:55,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:30:55,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036709381] [2020-10-26 22:30:55,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:55,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:30:55,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96277642] [2020-10-26 22:30:55,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:30:55,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:55,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:30:55,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:30:55,937 INFO L87 Difference]: Start difference. First operand 591 states and 736 transitions. Second operand 7 states. [2020-10-26 22:30:58,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:58,093 INFO L93 Difference]: Finished difference Result 1500 states and 1934 transitions. [2020-10-26 22:30:58,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:30:58,093 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-10-26 22:30:58,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:58,100 INFO L225 Difference]: With dead ends: 1500 [2020-10-26 22:30:58,101 INFO L226 Difference]: Without dead ends: 915 [2020-10-26 22:30:58,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:30:58,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-10-26 22:30:58,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 750. [2020-10-26 22:30:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2020-10-26 22:30:58,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 913 transitions. [2020-10-26 22:30:58,173 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 913 transitions. Word has length 180 [2020-10-26 22:30:58,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:58,175 INFO L481 AbstractCegarLoop]: Abstraction has 750 states and 913 transitions. [2020-10-26 22:30:58,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:30:58,175 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 913 transitions. [2020-10-26 22:30:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-26 22:30:58,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:58,178 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:58,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:30:58,179 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:58,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:58,179 INFO L82 PathProgramCache]: Analyzing trace with hash -558130388, now seen corresponding path program 1 times [2020-10-26 22:30:58,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:58,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315588212] [2020-10-26 22:30:58,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:58,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:58,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:59,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:01,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:01,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:01,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-26 22:31:01,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:31:01,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3349 [2020-10-26 22:31:01,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:01,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:31:01,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:31:01,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:31:01,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:01,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:01,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:01,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:01,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:01,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:01,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-26 22:31:01,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:01,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:01,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:31:01,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:01,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:01,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:01,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:01,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:31:01,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:01,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-26 22:31:01,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:31:01,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:01,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-26 22:31:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:01,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:02,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:02,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:31:02,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:02,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-26 22:31:02,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-26 22:31:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:02,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 60 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:31:02,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [315588212] [2020-10-26 22:31:02,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:02,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:31:02,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418017912] [2020-10-26 22:31:02,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:31:02,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:02,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:31:02,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:31:02,108 INFO L87 Difference]: Start difference. First operand 750 states and 913 transitions. Second operand 7 states. [2020-10-26 22:31:03,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:03,883 INFO L93 Difference]: Finished difference Result 1800 states and 2170 transitions. [2020-10-26 22:31:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:31:03,884 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 187 [2020-10-26 22:31:03,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:03,892 INFO L225 Difference]: With dead ends: 1800 [2020-10-26 22:31:03,893 INFO L226 Difference]: Without dead ends: 1056 [2020-10-26 22:31:03,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:31:03,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2020-10-26 22:31:03,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1042. [2020-10-26 22:31:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2020-10-26 22:31:03,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1230 transitions. [2020-10-26 22:31:03,958 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1230 transitions. Word has length 187 [2020-10-26 22:31:03,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:03,958 INFO L481 AbstractCegarLoop]: Abstraction has 1042 states and 1230 transitions. [2020-10-26 22:31:03,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:31:03,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1230 transitions. [2020-10-26 22:31:03,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-26 22:31:03,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:03,963 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:03,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:31:03,963 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:03,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:03,964 INFO L82 PathProgramCache]: Analyzing trace with hash 452660192, now seen corresponding path program 1 times [2020-10-26 22:31:03,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:03,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785490513] [2020-10-26 22:31:03,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:04,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:04,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:05,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:05,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-26 22:31:05,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:31:05,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1292 [2020-10-26 22:31:05,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:05,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:31:05,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:31:05,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:31:05,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:05,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:05,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:05,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:05,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:05,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:31:05,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:05,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:05,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:05,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:05,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:31:05,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:05,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-26 22:31:05,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:31:05,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:05,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:31:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:05,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:05,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:05,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:05,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:31:05,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:31:05,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-26 22:31:05,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:05,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:05,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:05,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:31:05,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:31:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 123 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:31:06,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785490513] [2020-10-26 22:31:06,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:06,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:31:06,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344507503] [2020-10-26 22:31:06,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:31:06,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:06,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:31:06,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:31:06,081 INFO L87 Difference]: Start difference. First operand 1042 states and 1230 transitions. Second operand 6 states. [2020-10-26 22:31:07,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:07,704 INFO L93 Difference]: Finished difference Result 2243 states and 2773 transitions. [2020-10-26 22:31:07,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 22:31:07,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 225 [2020-10-26 22:31:07,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:07,716 INFO L225 Difference]: With dead ends: 2243 [2020-10-26 22:31:07,716 INFO L226 Difference]: Without dead ends: 1350 [2020-10-26 22:31:07,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:31:07,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2020-10-26 22:31:07,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1340. [2020-10-26 22:31:07,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1340 states. [2020-10-26 22:31:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1592 transitions. [2020-10-26 22:31:07,771 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1592 transitions. Word has length 225 [2020-10-26 22:31:07,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:07,772 INFO L481 AbstractCegarLoop]: Abstraction has 1340 states and 1592 transitions. [2020-10-26 22:31:07,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:31:07,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1592 transitions. [2020-10-26 22:31:07,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-10-26 22:31:07,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:07,780 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:31:07,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:31:07,780 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:07,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:07,781 INFO L82 PathProgramCache]: Analyzing trace with hash -827909332, now seen corresponding path program 1 times [2020-10-26 22:31:07,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:07,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92990861] [2020-10-26 22:31:07,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:07,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:08,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:08,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:10,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:12,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:12,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 365 [2020-10-26 22:31:12,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:31:12,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-26 22:31:12,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:31:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:31:12,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:13,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:13,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:13,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:13,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:13,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:13,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:31:13,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:13,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:13,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:13,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:13,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:13,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:13,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:13,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:13,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:31:13,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:13,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-26 22:31:13,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:31:13,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:13,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:31:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:13,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:13,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:13,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:31:13,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:13,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-26 22:31:13,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:13,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:31:13,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:13,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-26 22:31:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:13,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:13,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:13,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:31:13,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-26 22:31:13,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-26 22:31:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:31:13,876 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 168 proven. 76 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-26 22:31:13,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92990861] [2020-10-26 22:31:13,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:13,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:31:13,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879678109] [2020-10-26 22:31:13,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:31:13,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:13,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:31:13,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:31:13,881 INFO L87 Difference]: Start difference. First operand 1340 states and 1592 transitions. Second operand 7 states. [2020-10-26 22:31:15,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:15,996 INFO L93 Difference]: Finished difference Result 2839 states and 3412 transitions. [2020-10-26 22:31:16,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:31:16,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 349 [2020-10-26 22:31:16,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:16,012 INFO L225 Difference]: With dead ends: 2839 [2020-10-26 22:31:16,012 INFO L226 Difference]: Without dead ends: 1648 [2020-10-26 22:31:16,016 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 22:31:16,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2020-10-26 22:31:16,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1642. [2020-10-26 22:31:16,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2020-10-26 22:31:16,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 1924 transitions. [2020-10-26 22:31:16,095 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 1924 transitions. Word has length 349 [2020-10-26 22:31:16,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:16,095 INFO L481 AbstractCegarLoop]: Abstraction has 1642 states and 1924 transitions. [2020-10-26 22:31:16,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:31:16,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1924 transitions. [2020-10-26 22:31:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-10-26 22:31:16,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:16,109 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:31:16,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:31:16,109 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:16,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:16,110 INFO L82 PathProgramCache]: Analyzing trace with hash 467908400, now seen corresponding path program 1 times [2020-10-26 22:31:16,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:16,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846481395] [2020-10-26 22:31:16,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:16,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:16,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:17,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:17,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 379 [2020-10-26 22:31:17,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:31:17,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 956 [2020-10-26 22:31:17,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:17,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:17,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-26 22:31:17,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-26 22:31:17,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:17,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:17,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:17,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:17,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:17,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:17,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-26 22:31:17,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:17,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:17,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:17,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:17,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:17,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:31:17,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:17,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-26 22:31:17,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:17,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:17,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:17,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:17,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:17,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:31:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:17,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:17,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:17,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-26 22:31:17,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:17,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-26 22:31:17,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:17,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:17,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:31:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:17,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:17,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:17,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-26 22:31:17,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:17,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-26 22:31:17,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:17,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:17,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:31:17,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 93 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-26 22:31:17,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846481395] [2020-10-26 22:31:17,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:17,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:31:17,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514391992] [2020-10-26 22:31:17,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:31:17,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:17,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:31:17,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:31:17,809 INFO L87 Difference]: Start difference. First operand 1642 states and 1924 transitions. Second operand 5 states. [2020-10-26 22:31:19,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:19,460 INFO L93 Difference]: Finished difference Result 3427 states and 4157 transitions. [2020-10-26 22:31:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:31:19,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 363 [2020-10-26 22:31:19,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:19,475 INFO L225 Difference]: With dead ends: 3427 [2020-10-26 22:31:19,475 INFO L226 Difference]: Without dead ends: 1934 [2020-10-26 22:31:19,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:31:19,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2020-10-26 22:31:19,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1789. [2020-10-26 22:31:19,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1789 states. [2020-10-26 22:31:19,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 2097 transitions. [2020-10-26 22:31:19,554 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 2097 transitions. Word has length 363 [2020-10-26 22:31:19,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:19,554 INFO L481 AbstractCegarLoop]: Abstraction has 1789 states and 2097 transitions. [2020-10-26 22:31:19,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:31:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2097 transitions. [2020-10-26 22:31:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-10-26 22:31:19,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:19,565 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:31:19,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:31:19,565 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:19,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:19,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1938383028, now seen corresponding path program 1 times [2020-10-26 22:31:19,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:19,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421177720] [2020-10-26 22:31:19,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:19,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:19,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:21,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:22,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:22,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 384 [2020-10-26 22:31:22,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:31:22,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3099 [2020-10-26 22:31:22,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:22,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:22,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-26 22:31:22,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-26 22:31:22,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:22,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:22,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:22,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:22,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:22,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:22,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:31:22,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:22,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 22:31:22,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:22,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:22,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:22,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-26 22:31:22,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:22,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-26 22:31:22,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:22,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:22,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:23,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-26 22:31:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:23,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:23,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:23,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:31:23,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:23,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-26 22:31:23,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:23,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:23,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:23,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-26 22:31:23,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:23,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-26 22:31:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:23,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:23,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:23,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:31:23,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:23,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-26 22:31:23,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:23,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:23,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:23,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:31:23,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 285 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-26 22:31:23,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421177720] [2020-10-26 22:31:23,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:23,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:31:23,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906676481] [2020-10-26 22:31:23,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:31:23,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:23,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:31:23,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:31:23,668 INFO L87 Difference]: Start difference. First operand 1789 states and 2097 transitions. Second operand 7 states. [2020-10-26 22:31:25,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:25,957 INFO L93 Difference]: Finished difference Result 4172 states and 4969 transitions. [2020-10-26 22:31:25,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:31:25,965 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 368 [2020-10-26 22:31:25,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:25,979 INFO L225 Difference]: With dead ends: 4172 [2020-10-26 22:31:25,980 INFO L226 Difference]: Without dead ends: 2532 [2020-10-26 22:31:25,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:31:25,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2020-10-26 22:31:26,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 2238. [2020-10-26 22:31:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2238 states. [2020-10-26 22:31:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 2238 states and 2643 transitions. [2020-10-26 22:31:26,073 INFO L78 Accepts]: Start accepts. Automaton has 2238 states and 2643 transitions. Word has length 368 [2020-10-26 22:31:26,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:26,074 INFO L481 AbstractCegarLoop]: Abstraction has 2238 states and 2643 transitions. [2020-10-26 22:31:26,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:31:26,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2643 transitions. [2020-10-26 22:31:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-10-26 22:31:26,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:26,086 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:31:26,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:31:26,086 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:26,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:26,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1693497528, now seen corresponding path program 1 times [2020-10-26 22:31:26,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:26,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [832710101] [2020-10-26 22:31:26,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:26,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:26,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:27,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:27,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 394 [2020-10-26 22:31:27,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:31:27,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1547 [2020-10-26 22:31:27,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-26 22:31:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 22:31:27,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:27,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:27,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:27,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:27,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:27,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:27,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-26 22:31:27,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:27,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:27,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:27,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:31:27,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:27,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:27,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:27,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-26 22:31:27,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:27,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-26 22:31:27,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:27,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:28,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-26 22:31:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:28,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:28,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:28,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-26 22:31:28,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:28,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-26 22:31:28,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:28,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:28,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-26 22:31:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:28,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:28,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:28,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:31:28,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:28,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-26 22:31:28,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-26 22:31:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:28,422 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 93 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-26 22:31:28,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [832710101] [2020-10-26 22:31:28,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:28,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:31:28,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925540762] [2020-10-26 22:31:28,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:31:28,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:28,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:31:28,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:31:28,425 INFO L87 Difference]: Start difference. First operand 2238 states and 2643 transitions. Second operand 5 states. [2020-10-26 22:31:29,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:29,384 INFO L93 Difference]: Finished difference Result 4197 states and 4935 transitions. [2020-10-26 22:31:29,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:31:29,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 378 [2020-10-26 22:31:29,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:29,388 INFO L225 Difference]: With dead ends: 4197 [2020-10-26 22:31:29,388 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 22:31:29,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:31:29,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 22:31:29,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 22:31:29,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 22:31:29,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 22:31:29,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 378 [2020-10-26 22:31:29,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:29,397 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 22:31:29,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:31:29,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 22:31:29,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 22:31:29,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:31:29,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 22:31:29,617 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 116 [2020-10-26 22:31:29,977 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 116 [2020-10-26 22:31:30,172 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2020-10-26 22:31:30,395 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 41 [2020-10-26 22:31:30,998 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 58 [2020-10-26 22:31:31,318 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 41 [2020-10-26 22:31:31,323 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 22:31:31,323 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 22:31:31,323 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 22:31:31,323 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 22:31:31,323 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:31:31,324 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-26 22:31:31,324 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:31:31,324 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-26 22:31:31,324 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-26 22:31:31,324 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-26 22:31:31,324 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-26 22:31:31,325 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-26 22:31:31,325 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-26 22:31:31,325 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-26 22:31:31,325 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-26 22:31:31,325 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-26 22:31:31,325 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-26 22:31:31,325 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-26 22:31:31,325 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-26 22:31:31,325 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-26 22:31:31,326 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,326 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,326 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,326 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,326 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,326 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,326 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-26 22:31:31,326 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-26 22:31:31,326 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-26 22:31:31,327 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-26 22:31:31,327 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-26 22:31:31,327 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-26 22:31:31,327 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-26 22:31:31,327 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-26 22:31:31,327 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-26 22:31:31,327 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-26 22:31:31,327 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-26 22:31:31,327 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,328 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,328 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,328 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,328 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,328 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-26 22:31:31,328 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-26 22:31:31,328 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-26 22:31:31,328 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-26 22:31:31,328 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-26 22:31:31,329 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-26 22:31:31,329 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-26 22:31:31,329 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-26 22:31:31,329 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-26 22:31:31,329 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-26 22:31:31,329 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-26 22:31:31,329 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-26 22:31:31,329 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-26 22:31:31,329 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-26 22:31:31,330 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,330 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,330 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,330 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,330 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,330 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-26 22:31:31,330 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-26 22:31:31,330 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-26 22:31:31,330 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-26 22:31:31,331 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-26 22:31:31,331 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-26 22:31:31,331 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-26 22:31:31,331 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-26 22:31:31,331 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-26 22:31:31,331 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-26 22:31:31,331 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,331 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,331 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,331 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,332 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,332 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-26 22:31:31,332 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-26 22:31:31,332 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-26 22:31:31,332 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-26 22:31:31,332 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-26 22:31:31,332 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-26 22:31:31,332 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-26 22:31:31,332 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-26 22:31:31,332 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-26 22:31:31,333 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-26 22:31:31,333 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-26 22:31:31,333 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-26 22:31:31,333 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-26 22:31:31,333 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,333 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,333 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,333 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,333 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,334 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-26 22:31:31,334 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-26 22:31:31,334 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-26 22:31:31,334 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-26 22:31:31,334 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-26 22:31:31,334 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,334 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,334 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-26 22:31:31,334 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-26 22:31:31,334 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-26 22:31:31,335 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-26 22:31:31,335 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,335 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,335 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,335 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,335 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,335 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-26 22:31:31,335 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-26 22:31:31,335 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-26 22:31:31,335 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-26 22:31:31,335 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-26 22:31:31,336 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-26 22:31:31,336 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-26 22:31:31,336 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-26 22:31:31,336 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-26 22:31:31,336 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-26 22:31:31,336 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-26 22:31:31,336 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-26 22:31:31,336 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-26 22:31:31,336 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,336 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,337 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,337 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,337 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-26 22:31:31,337 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,337 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,337 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-26 22:31:31,337 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-26 22:31:31,337 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-26 22:31:31,337 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-26 22:31:31,337 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-26 22:31:31,337 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-26 22:31:31,338 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-26 22:31:31,338 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-26 22:31:31,338 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-26 22:31:31,338 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-26 22:31:31,338 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-26 22:31:31,338 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-26 22:31:31,338 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-26 22:31:31,338 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,338 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,338 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,338 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,339 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,339 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,339 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-26 22:31:31,339 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|))) (let ((.cse2 (and .cse0 (= ~a19~0 |old(~a19~0)|) .cse1))) (and (or (not (= 3 |old(~a10~0)|)) (not (= 6 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a1~0)| 33)) (and .cse0 (= ~a19~0 6) .cse1) (not (<= 0 (+ |old(~a1~0)| 12))) (not (= ~a12~0 0))) (or .cse2 (not (= 8 |old(~a19~0)|))) (or (not (<= 4 |old(~a10~0)|)) .cse2) (or (not (= 9 |old(~a19~0)|)) .cse2) (or .cse2 (not (= |old(~a10~0)| 1))) (or .cse2 (not (= 2 |old(~a10~0)|))) (or .cse2 (not (= 0 |old(~a10~0)|)))))) [2020-10-26 22:31:31,339 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-26 22:31:31,339 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-26 22:31:31,339 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-26 22:31:31,339 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-26 22:31:31,340 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-26 22:31:31,340 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-26 22:31:31,340 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-26 22:31:31,340 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-26 22:31:31,340 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-26 22:31:31,340 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-26 22:31:31,340 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-26 22:31:31,340 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-26 22:31:31,340 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-26 22:31:31,340 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,340 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,340 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,341 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,341 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,341 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,341 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-26 22:31:31,341 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-26 22:31:31,341 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-26 22:31:31,341 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-26 22:31:31,341 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-26 22:31:31,341 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-26 22:31:31,341 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-26 22:31:31,341 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-26 22:31:31,342 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-26 22:31:31,342 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-26 22:31:31,342 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-26 22:31:31,342 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-26 22:31:31,342 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-26 22:31:31,342 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,342 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,342 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,342 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,342 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,342 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,342 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-26 22:31:31,343 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-26 22:31:31,343 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-26 22:31:31,343 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-26 22:31:31,343 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-26 22:31:31,343 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-26 22:31:31,343 INFO L270 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (and (not (<= 4 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (= |old(~a10~0)| 1)) (or (not (= 3 |old(~a10~0)|)) (not (= 6 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a1~0)| 33)) (not (<= 0 (+ |old(~a1~0)| 12))) (not (= ~a12~0 0))) (not (= 0 |old(~a10~0)|)) (not (= 2 |old(~a10~0)|)) (not (= 8 |old(~a19~0)|))) [2020-10-26 22:31:31,343 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-26 22:31:31,343 INFO L274 CegarLoopResult]: For program point L99-1(line 99) no Hoare annotation was computed. [2020-10-26 22:31:31,343 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-26 22:31:31,343 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-26 22:31:31,344 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-26 22:31:31,344 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-26 22:31:31,344 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,344 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,344 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,344 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,344 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,344 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:31,344 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:31:31,344 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-10-26 22:31:31,344 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 22:31:31,345 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:31:31,345 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 0 |old(~a10~0)|))) [2020-10-26 22:31:31,345 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:31:31,345 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (= ~a19~0 8) (= ~a10~0 1) (<= 4 ~a10~0) (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (and (<= 0 (+ ~a1~0 12)) (= ~a10~0 3) (= 14 ~a4~0) (<= ~a1~0 33) (= ~a12~0 0) (= ~a19~0 6))) [2020-10-26 22:31:31,345 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-26 22:31:31,345 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-26 22:31:31,345 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (= ~a19~0 8) (= ~a10~0 1) (<= 4 ~a10~0) (= ~a10~0 2) (not (= 9 |old(~a19~0)|)) (= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (and (<= 0 (+ ~a1~0 12)) (= ~a10~0 3) (= 14 ~a4~0) (<= ~a1~0 33) (= ~a12~0 0) (= ~a19~0 6))) [2020-10-26 22:31:31,345 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:31:31,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:31:31 BoogieIcfgContainer [2020-10-26 22:31:31,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:31:31,367 INFO L168 Benchmark]: Toolchain (without parser) took 49832.34 ms. Allocated memory was 151.0 MB in the beginning and 803.2 MB in the end (delta: 652.2 MB). Free memory was 124.8 MB in the beginning and 547.8 MB in the end (delta: -423.0 MB). Peak memory consumption was 479.6 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:31,368 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:31:31,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.16 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 129.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:31,369 INFO L168 Benchmark]: Boogie Preprocessor took 126.77 ms. Allocated memory is still 151.0 MB. Free memory was 129.6 MB in the beginning and 124.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:31,370 INFO L168 Benchmark]: RCFGBuilder took 1983.56 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 102.9 MB in the end (delta: 21.9 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:31,370 INFO L168 Benchmark]: TraceAbstraction took 46910.79 ms. Allocated memory was 151.0 MB in the beginning and 803.2 MB in the end (delta: 652.2 MB). Free memory was 102.9 MB in the beginning and 547.8 MB in the end (delta: -444.9 MB). Peak memory consumption was 456.4 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:31,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 793.16 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 129.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 126.77 ms. Allocated memory is still 151.0 MB. Free memory was 129.6 MB in the beginning and 124.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1983.56 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 102.9 MB in the end (delta: 21.9 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 46910.79 ms. Allocated memory was 151.0 MB in the beginning and 803.2 MB in the end (delta: 652.2 MB). Free memory was 102.9 MB in the beginning and 547.8 MB in the end (delta: -444.9 MB). Peak memory consumption was 456.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((((((a19 == 8 || a10 == 1) || 4 <= a10) || a10 == 2) || !(9 == \old(a19))) || a10 == 0) || !(\old(a1) <= 23)) || a19 == 9) || !(0 == \old(a10))) || (((((0 <= a1 + 12 && a10 == 3) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.8s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 274 SDtfs, 3445 SDslu, 289 SDs, 0 SdLazy, 7971 SolverSat, 940 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2238occurred 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, 10 MinimizatonAttempts, 650 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 180 PreInvPairs, 214 NumberOfFragments, 380 HoareAnnotationTreeSize, 180 FomulaSimplifications, 8768 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3527 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 2313 NumberOfCodeBlocks, 2313 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2303 ConstructedInterpolants, 0 QuantifiedInterpolants, 1971656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1775/1934 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...