/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:36:00,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:36:00,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:36:00,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:36:00,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:36:00,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:36:00,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:36:00,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:36:00,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:36:00,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:36:00,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:36:00,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:36:00,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:36:00,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:36:00,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:36:00,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:36:00,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:36:00,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:36:00,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:36:00,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:36:00,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:36:00,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:36:00,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:36:00,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:36:00,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:36:00,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:36:00,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:36:00,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:36:00,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:36:00,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:36:00,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:36:00,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:36:00,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:36:00,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:36:00,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:36:00,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:36:00,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:36:00,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:36:00,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:36:00,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:36:00,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:36:00,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:36:00,798 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:36:00,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:36:00,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:36:00,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:36:00,804 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:36:00,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:36:00,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:36:00,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:36:00,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:36:00,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:36:00,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:36:00,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:36:00,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:36:00,807 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:36:00,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:36:00,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:36:00,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:36:00,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:36:00,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:36:00,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:36:00,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:36:00,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:36:00,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:36:00,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:36:00,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:36:00,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:36:00,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:36:00,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:36:00,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:36:00,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:36:01,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:36:01,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:36:01,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:36:01,283 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:36:01,287 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:36:01,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10.c [2020-10-27 15:36:01,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cab9eaeb9/37c5152c1f6c45cb964289d011bdea1e/FLAG92db0acbc [2020-10-27 15:36:02,139 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:36:02,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label10.c [2020-10-27 15:36:02,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cab9eaeb9/37c5152c1f6c45cb964289d011bdea1e/FLAG92db0acbc [2020-10-27 15:36:02,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cab9eaeb9/37c5152c1f6c45cb964289d011bdea1e [2020-10-27 15:36:02,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:36:02,385 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:36:02,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:36:02,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:36:02,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:36:02,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:36:02" (1/1) ... [2020-10-27 15:36:02,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b19597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:02, skipping insertion in model container [2020-10-27 15:36:02,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:36:02" (1/1) ... [2020-10-27 15:36:02,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:36:02,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:36:02,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:36:02,886 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:36:03,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:36:03,059 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:36:03,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:03 WrapperNode [2020-10-27 15:36:03,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:36:03,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:36:03,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:36:03,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:36:03,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:03" (1/1) ... [2020-10-27 15:36:03,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:03" (1/1) ... [2020-10-27 15:36:03,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:03" (1/1) ... [2020-10-27 15:36:03,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:03" (1/1) ... [2020-10-27 15:36:03,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:03" (1/1) ... [2020-10-27 15:36:03,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:03" (1/1) ... [2020-10-27 15:36:03,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:03" (1/1) ... [2020-10-27 15:36:03,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:36:03,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:36:03,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:36:03,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:36:03,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:36:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:36:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:36:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:36:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:36:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:36:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:36:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:36:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:36:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:36:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:36:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:36:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:36:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:36:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:36:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:36:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:36:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:36:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:36:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:36:04,550 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:36:04,551 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:36:04,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:36:04 BoogieIcfgContainer [2020-10-27 15:36:04,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:36:04,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:36:04,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:36:04,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:36:04,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:36:02" (1/3) ... [2020-10-27 15:36:04,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146eb096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:36:04, skipping insertion in model container [2020-10-27 15:36:04,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:03" (2/3) ... [2020-10-27 15:36:04,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146eb096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:36:04, skipping insertion in model container [2020-10-27 15:36:04,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:36:04" (3/3) ... [2020-10-27 15:36:04,564 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label10.c [2020-10-27 15:36:04,577 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:36:04,582 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:36:04,597 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:36:04,630 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:36:04,630 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:36:04,630 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:36:04,630 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:36:04,631 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:36:04,631 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:36:04,631 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:36:04,631 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:36:04,662 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:36:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-27 15:36:04,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:04,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:04,685 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:04,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:04,691 INFO L82 PathProgramCache]: Analyzing trace with hash -2112138307, now seen corresponding path program 1 times [2020-10-27 15:36:04,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:04,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457331752] [2020-10-27 15:36:04,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:05,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:05,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:06,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:06,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 15:36:06,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:36:06,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1923 [2020-10-27 15:36:06,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 15:36:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:36:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 15:36:06,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:36:07,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:07,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:07,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:07,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:07,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:07,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 15:36:07,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:36:07,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:07,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457331752] [2020-10-27 15:36:07,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:36:07,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 15:36:07,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642302766] [2020-10-27 15:36:07,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 15:36:07,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:07,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 15:36:07,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 15:36:07,391 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-27 15:36:09,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:09,365 INFO L93 Difference]: Finished difference Result 632 states and 1079 transitions. [2020-10-27 15:36:09,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:09,367 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-10-27 15:36:09,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:09,385 INFO L225 Difference]: With dead ends: 632 [2020-10-27 15:36:09,385 INFO L226 Difference]: Without dead ends: 328 [2020-10-27 15:36:09,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:09,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-27 15:36:09,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2020-10-27 15:36:09,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-27 15:36:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 481 transitions. [2020-10-27 15:36:09,501 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 481 transitions. Word has length 142 [2020-10-27 15:36:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:09,503 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 481 transitions. [2020-10-27 15:36:09,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 15:36:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 481 transitions. [2020-10-27 15:36:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 15:36:09,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:09,517 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:09,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:36:09,518 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:09,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:09,519 INFO L82 PathProgramCache]: Analyzing trace with hash -2037767056, now seen corresponding path program 1 times [2020-10-27 15:36:09,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:09,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1311286099] [2020-10-27 15:36:09,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:09,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:09,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:10,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:11,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:11,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:11,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 15:36:11,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:36:11,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1962 [2020-10-27 15:36:11,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 15:36:11,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-27 15:36:11,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:11,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:11,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:11,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:11,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:11,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:11,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 15:36:11,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:11,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:11,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:11,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:11,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:11,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 15:36:11,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:11,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 15:36:11,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:11,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:11,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:11,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 15:36:11,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:11,816 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:11,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1311286099] [2020-10-27 15:36:11,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:11,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:11,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279086775] [2020-10-27 15:36:11,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:11,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:11,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:11,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:11,825 INFO L87 Difference]: Start difference. First operand 320 states and 481 transitions. Second operand 5 states. [2020-10-27 15:36:13,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:13,559 INFO L93 Difference]: Finished difference Result 947 states and 1445 transitions. [2020-10-27 15:36:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:13,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-27 15:36:13,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:13,566 INFO L225 Difference]: With dead ends: 947 [2020-10-27 15:36:13,566 INFO L226 Difference]: Without dead ends: 633 [2020-10-27 15:36:13,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:13,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-10-27 15:36:13,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 484. [2020-10-27 15:36:13,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-27 15:36:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 714 transitions. [2020-10-27 15:36:13,610 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 714 transitions. Word has length 157 [2020-10-27 15:36:13,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:13,611 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 714 transitions. [2020-10-27 15:36:13,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:13,611 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 714 transitions. [2020-10-27 15:36:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-27 15:36:13,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:13,616 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:13,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:36:13,616 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:13,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:13,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1449470834, now seen corresponding path program 1 times [2020-10-27 15:36:13,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:13,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1188010533] [2020-10-27 15:36:13,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:13,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:13,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:14,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:15,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:15,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 15:36:15,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:36:15,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1425 [2020-10-27 15:36:15,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:15,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:15,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 15:36:15,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-27 15:36:15,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:15,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:15,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:15,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:15,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:15,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:15,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:36:15,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:15,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:15,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:15,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:15,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:15,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:36:15,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:15,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 15:36:15,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:15,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:15,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:15,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 15:36:15,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:15,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1188010533] [2020-10-27 15:36:15,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:15,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:15,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127806189] [2020-10-27 15:36:15,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:15,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:15,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:15,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:15,742 INFO L87 Difference]: Start difference. First operand 484 states and 714 transitions. Second operand 5 states. [2020-10-27 15:36:16,187 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-27 15:36:17,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:17,502 INFO L93 Difference]: Finished difference Result 1055 states and 1603 transitions. [2020-10-27 15:36:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:17,505 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-10-27 15:36:17,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:17,510 INFO L225 Difference]: With dead ends: 1055 [2020-10-27 15:36:17,510 INFO L226 Difference]: Without dead ends: 488 [2020-10-27 15:36:17,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:17,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-10-27 15:36:17,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 484. [2020-10-27 15:36:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-27 15:36:17,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 711 transitions. [2020-10-27 15:36:17,546 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 711 transitions. Word has length 164 [2020-10-27 15:36:17,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:17,547 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 711 transitions. [2020-10-27 15:36:17,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:17,547 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 711 transitions. [2020-10-27 15:36:17,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-27 15:36:17,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:17,551 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:17,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:36:17,551 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:17,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:17,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1784633926, now seen corresponding path program 1 times [2020-10-27 15:36:17,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:17,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863080317] [2020-10-27 15:36:17,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:17,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:17,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:18,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:18,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:18,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 15:36:18,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:36:18,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1401 [2020-10-27 15:36:18,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:18,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:18,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-27 15:36:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-27 15:36:18,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:19,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:19,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:19,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:19,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:19,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:19,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 15:36:19,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:19,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:19,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:19,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:19,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:19,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:19,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:19,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 15:36:19,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:19,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 15:36:19,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 15:36:19,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:19,497 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:19,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863080317] [2020-10-27 15:36:19,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:19,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:19,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240935826] [2020-10-27 15:36:19,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:19,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:19,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:19,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:19,502 INFO L87 Difference]: Start difference. First operand 484 states and 711 transitions. Second operand 5 states. [2020-10-27 15:36:19,656 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-27 15:36:21,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:21,175 INFO L93 Difference]: Finished difference Result 1423 states and 2146 transitions. [2020-10-27 15:36:21,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:21,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2020-10-27 15:36:21,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:21,187 INFO L225 Difference]: With dead ends: 1423 [2020-10-27 15:36:21,187 INFO L226 Difference]: Without dead ends: 945 [2020-10-27 15:36:21,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:21,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2020-10-27 15:36:21,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 785. [2020-10-27 15:36:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2020-10-27 15:36:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1129 transitions. [2020-10-27 15:36:21,246 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1129 transitions. Word has length 168 [2020-10-27 15:36:21,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:21,247 INFO L481 AbstractCegarLoop]: Abstraction has 785 states and 1129 transitions. [2020-10-27 15:36:21,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:21,248 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1129 transitions. [2020-10-27 15:36:21,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-27 15:36:21,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:21,253 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:21,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:36:21,253 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:21,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:21,254 INFO L82 PathProgramCache]: Analyzing trace with hash 246589563, now seen corresponding path program 1 times [2020-10-27 15:36:21,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:21,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1949642244] [2020-10-27 15:36:21,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:21,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:21,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:22,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:24,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:24,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-27 15:36:24,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:36:24,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3139 [2020-10-27 15:36:24,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 15:36:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-27 15:36:24,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:24,625 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 15:36:24,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:24,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:24,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:24,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:24,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:24,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:36:24,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:24,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:24,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:24,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:24,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:24,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:24,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:24,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:24,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 15:36:24,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:24,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 15:36:24,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 15:36:24,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:24,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1949642244] [2020-10-27 15:36:24,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:24,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:24,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996001502] [2020-10-27 15:36:24,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:24,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:24,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:24,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:24,899 INFO L87 Difference]: Start difference. First operand 785 states and 1129 transitions. Second operand 5 states. [2020-10-27 15:36:26,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:26,511 INFO L93 Difference]: Finished difference Result 2150 states and 3164 transitions. [2020-10-27 15:36:26,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:26,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 212 [2020-10-27 15:36:26,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:26,512 INFO L225 Difference]: With dead ends: 2150 [2020-10-27 15:36:26,512 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:36:26,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:26,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:36:26,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:36:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:36:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:36:26,518 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2020-10-27 15:36:26,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:26,518 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:36:26,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:36:26,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:36:26,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:36:26,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:36:27,135 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 33 [2020-10-27 15:36:27,877 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 71 [2020-10-27 15:36:28,123 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:36:28,124 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:36:28,124 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:36:28,124 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:36:28,124 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:36:28,125 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-27 15:36:28,127 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:36:28,127 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-27 15:36:28,127 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-27 15:36:28,127 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:36:28,127 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 15:36:28,128 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:36:28,128 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:36:28,128 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:36:28,128 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:36:28,128 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:36:28,128 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:36:28,128 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:36:28,128 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:36:28,128 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:36:28,128 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:36:28,129 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:36:28,129 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,129 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,129 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,129 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,129 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,129 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:36:28,129 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:36:28,129 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:36:28,130 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:36:28,130 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 15:36:28,131 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:36:28,131 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:36:28,131 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:36:28,131 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:36:28,132 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:36:28,132 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:36:28,132 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:36:28,132 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:36:28,132 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,132 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,133 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,134 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,134 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:36:28,134 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,134 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:36:28,135 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-27 15:36:28,135 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:36:28,135 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:36:28,135 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:36:28,135 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:36:28,135 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:36:28,135 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:36:28,135 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:36:28,135 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:36:28,135 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:36:28,136 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:36:28,136 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:36:28,136 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:36:28,136 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:36:28,136 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,136 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,136 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,136 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,136 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,136 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:36:28,137 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:36:28,137 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:36:28,138 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:36:28,138 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:36:28,138 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:36:28,138 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:36:28,138 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 15:36:28,138 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:36:28,138 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:36:28,138 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:36:28,138 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,138 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,138 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,139 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,139 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,139 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:36:28,139 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:36:28,139 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:36:28,139 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:36:28,139 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:36:28,139 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:36:28,139 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:36:28,139 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-27 15:36:28,140 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:36:28,140 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:36:28,140 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:36:28,140 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:36:28,140 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:36:28,140 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,140 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,140 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,140 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,140 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,140 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:36:28,141 INFO L270 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (and (or (not (<= |old(~a11~0)| 1)) (not (<= |old(~a28~0)| 10)) (not (<= 7 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= 10 |old(~a28~0)|)) (not (= ~a21~0 1)) (not (<= 1 |old(~a11~0)|)) (not (<= |old(~a19~0)| 0))) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a11~0)|)) (or (not (< |old(~a11~0)| (+ |old(~a25~0)| 1))) (not (<= |old(~a25~0)| |old(~a11~0)|)))) [2020-10-27 15:36:28,141 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:36:28,141 INFO L274 CegarLoopResult]: For program point L579-1(line 579) no Hoare annotation was computed. [2020-10-27 15:36:28,141 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:36:28,141 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:36:28,142 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:36:28,142 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:36:28,142 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:36:28,142 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:36:28,142 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,143 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,143 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:36:28,143 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:36:28,143 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:36:28,143 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:36:28,143 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:36:28,143 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:36:28,143 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:36:28,143 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,143 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,143 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,144 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,144 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:36:28,144 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,144 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:36:28,144 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,144 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:36:28,144 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:36:28,144 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:36:28,144 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:36:28,144 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:36:28,144 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:36:28,145 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-27 15:36:28,145 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:36:28,145 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:36:28,145 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:36:28,145 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:36:28,145 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:36:28,145 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:36:28,145 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:36:28,145 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,145 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,146 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,146 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,146 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,146 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,146 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:36:28,146 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:36:28,146 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:36:28,146 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:36:28,146 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 15:36:28,146 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:36:28,146 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:36:28,147 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:36:28,147 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:36:28,147 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:36:28,147 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:36:28,147 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,147 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,147 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,147 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,147 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,147 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,147 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:36:28,148 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:36:28,148 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:36:28,148 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:36:28,148 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-27 15:36:28,148 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:36:28,148 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 15:36:28,148 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a25~0 |old(~a25~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5))) (and (or .cse0 (not (= 0 |old(~a11~0)|))) (or (not (= |old(~a19~0)| 1)) (and .cse1 .cse2 .cse3 (= ~a19~0 1) .cse4)) (or (not (<= |old(~a11~0)| 1)) (not (<= |old(~a28~0)| 10)) (not (<= 7 |old(~a17~0)|)) (not (<= |old(~a17~0)| 7)) (not (<= |old(~a25~0)| 0)) (not (<= 10 |old(~a28~0)|)) (not (= ~a21~0 1)) (not (<= 1 |old(~a11~0)|)) (and (<= 1 ~a11~0) (<= 7 ~a17~0) (<= 10 ~a28~0) .cse4 (<= ~a11~0 1) (<= ~a28~0 10) (<= ~a17~0 7) .cse5) (not (<= |old(~a19~0)| 0))) (or (not (< |old(~a11~0)| (+ |old(~a25~0)| 1))) (and .cse1 .cse2 .cse4 (<= ~a25~0 ~a11~0) (< ~a11~0 (+ ~a25~0 1)) .cse5) (not (<= |old(~a25~0)| |old(~a11~0)|))) (or (not (<= 8 |old(~a17~0)|)) .cse0)))) [2020-10-27 15:36:28,149 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:36:28,149 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:36:28,149 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:36:28,149 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:36:28,149 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:36:28,149 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:36:28,149 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:36:28,149 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,149 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,149 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,149 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,150 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,150 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,150 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:36:28,150 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:36:28,150 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:36:28,150 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-27 15:36:28,150 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:36:28,150 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:36:28,150 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:36:28,150 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:36:28,151 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:36:28,151 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:36:28,151 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:36:28,151 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:36:28,151 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:36:28,151 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,151 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,151 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,151 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,151 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,151 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,152 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:36:28,152 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:36:28,152 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:36:28,152 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:36:28,152 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:36:28,152 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:36:28,166 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:36:28,166 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:36:28,166 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:36:28,166 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:36:28,166 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:36:28,166 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:36:28,166 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:36:28,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:36:28,168 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (<= 8 ~a17~0) (<= ~a25~0 ~a11~0) (= ~a11~0 0) (< ~a11~0 (+ ~a25~0 1))) [2020-10-27 15:36:28,168 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:36:28,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:36:28,168 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (= ~a19~0 1) (not (< |old(~a11~0)| (+ |old(~a25~0)| 1))) (not (= 0 |old(~a11~0)|)) (<= 8 ~a17~0) (and (<= ~a25~0 ~a11~0) (< ~a11~0 (+ ~a25~0 1))) (= ~a11~0 0) (not (<= |old(~a25~0)| |old(~a11~0)|)) (and (<= 1 ~a11~0) (<= ~a19~0 0) (<= 7 ~a17~0) (<= 10 ~a28~0) (= ~a21~0 1) (<= ~a11~0 1) (<= ~a25~0 0) (<= ~a28~0 10))) [2020-10-27 15:36:28,168 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (< |old(~a11~0)| (+ |old(~a25~0)| 1))) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (<= ~a25~0 ~a11~0) (< ~a11~0 (+ ~a25~0 1))) (not (<= |old(~a25~0)| |old(~a11~0)|))) [2020-10-27 15:36:28,168 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:36:28,168 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:36:28,168 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (= ~a19~0 1) (not (< |old(~a11~0)| (+ |old(~a25~0)| 1))) (not (= 0 |old(~a11~0)|)) (<= 8 ~a17~0) (and (<= ~a25~0 ~a11~0) (< ~a11~0 (+ ~a25~0 1))) (= ~a11~0 0) (not (<= |old(~a25~0)| |old(~a11~0)|)) (and (<= 1 ~a11~0) (<= ~a19~0 0) (<= 7 ~a17~0) (<= 10 ~a28~0) (= ~a21~0 1) (<= ~a11~0 1) (<= ~a25~0 0) (<= ~a28~0 10))) [2020-10-27 15:36:28,168 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:36:28,169 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:36:28,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:36:28 BoogieIcfgContainer [2020-10-27 15:36:28,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:36:28,193 INFO L168 Benchmark]: Toolchain (without parser) took 25813.00 ms. Allocated memory was 158.3 MB in the beginning and 537.9 MB in the end (delta: 379.6 MB). Free memory was 132.6 MB in the beginning and 511.0 MB in the end (delta: -378.3 MB). Peak memory consumption was 318.8 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:28,194 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 158.3 MB. Free memory is still 130.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:36:28,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.06 ms. Allocated memory is still 158.3 MB. Free memory was 132.0 MB in the beginning and 106.5 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:28,196 INFO L168 Benchmark]: Boogie Preprocessor took 198.39 ms. Allocated memory is still 158.3 MB. Free memory was 106.3 MB in the beginning and 137.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 5.1 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:28,197 INFO L168 Benchmark]: RCFGBuilder took 1292.87 ms. Allocated memory was 158.3 MB in the beginning and 191.9 MB in the end (delta: 33.6 MB). Free memory was 137.5 MB in the beginning and 153.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 89.7 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:28,198 INFO L168 Benchmark]: TraceAbstraction took 23635.22 ms. Allocated memory was 191.9 MB in the beginning and 537.9 MB in the end (delta: 346.0 MB). Free memory was 153.2 MB in the beginning and 511.0 MB in the end (delta: -357.8 MB). Peak memory consumption was 304.7 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:28,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 158.3 MB. Free memory is still 130.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 674.06 ms. Allocated memory is still 158.3 MB. Free memory was 132.0 MB in the beginning and 106.5 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 198.39 ms. Allocated memory is still 158.3 MB. Free memory was 106.3 MB in the beginning and 137.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 5.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1292.87 ms. Allocated memory was 158.3 MB in the beginning and 191.9 MB in the end (delta: 33.6 MB). Free memory was 137.5 MB in the beginning and 153.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 89.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 23635.22 ms. Allocated memory was 191.9 MB in the beginning and 537.9 MB in the end (delta: 346.0 MB). Free memory was 153.2 MB in the beginning and 511.0 MB in the end (delta: -357.8 MB). Peak memory consumption was 304.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((!(\old(a19) == 1) || !(8 <= \old(a17))) || a19 == 1) || !(\old(a11) < \old(a25) + 1)) || !(0 == \old(a11))) || 8 <= a17) || (a25 <= a11 && a11 < a25 + 1)) || a11 == 0) || !(\old(a25) <= \old(a11))) || (((((((1 <= a11 && a19 <= 0) && 7 <= a17) && 10 <= a28) && a21 == 1) && a11 <= 1) && a25 <= 0) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.8s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 1725 SDslu, 159 SDs, 0 SdLazy, 3144 SolverSat, 534 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=785occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 321 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 61 PreInvPairs, 83 NumberOfFragments, 493 HoareAnnotationTreeSize, 61 FomulaSimplifications, 12743 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1185 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 843 NumberOfCodeBlocks, 843 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 838 ConstructedInterpolants, 0 QuantifiedInterpolants, 936146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 115/119 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...