java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:58:38,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:58:38,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:58:38,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:58:38,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:58:38,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:58:38,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:58:38,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:58:38,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:58:38,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:58:38,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:58:38,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:58:38,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:58:38,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:58:38,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:58:38,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:58:38,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:58:38,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:58:38,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:58:38,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:58:38,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:58:38,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:58:38,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:58:38,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:58:38,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:58:38,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:58:38,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:58:38,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:58:38,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:58:38,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:58:38,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:58:38,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:58:38,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:58:38,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:58:38,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:58:38,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:58:38,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 17:58:38,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:58:38,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:58:38,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:58:38,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:58:38,882 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:58:38,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:58:38,882 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:58:38,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:58:38,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:58:38,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:58:38,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:58:38,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:58:38,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:58:38,885 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:58:38,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:58:38,885 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:58:38,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:58:38,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:58:38,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:58:38,886 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:58:38,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:58:38,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:58:38,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:58:38,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:58:38,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:58:38,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:58:38,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:58:38,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:58:38,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:58:39,151 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:58:39,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:58:39,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:58:39,176 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:58:39,176 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:58:39,177 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2019-10-13 17:58:39,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4101fed3b/1eaba4cd61c64f35a8ba40f2242a201a/FLAG1a549eb2f [2019-10-13 17:58:39,861 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:58:39,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label38.c [2019-10-13 17:58:39,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4101fed3b/1eaba4cd61c64f35a8ba40f2242a201a/FLAG1a549eb2f [2019-10-13 17:58:40,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4101fed3b/1eaba4cd61c64f35a8ba40f2242a201a [2019-10-13 17:58:40,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:58:40,138 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:58:40,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:58:40,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:58:40,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:58:40,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:58:40" (1/1) ... [2019-10-13 17:58:40,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175279dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:40, skipping insertion in model container [2019-10-13 17:58:40,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:58:40" (1/1) ... [2019-10-13 17:58:40,154 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:58:40,209 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:58:40,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:58:40,758 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:58:40,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:58:40,911 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:58:40,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:40 WrapperNode [2019-10-13 17:58:40,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:58:40,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:58:40,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:58:40,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:58:40,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:40" (1/1) ... [2019-10-13 17:58:40,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:40" (1/1) ... [2019-10-13 17:58:40,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:40" (1/1) ... [2019-10-13 17:58:40,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:40" (1/1) ... [2019-10-13 17:58:40,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:40" (1/1) ... [2019-10-13 17:58:41,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:40" (1/1) ... [2019-10-13 17:58:41,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:40" (1/1) ... [2019-10-13 17:58:41,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:58:41,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:58:41,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:58:41,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:58:41,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-13 17:58:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:58:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:58:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:58:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:58:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:58:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:58:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:58:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:58:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:58:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:58:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:58:42,430 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:58:42,431 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:58:42,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:58:42 BoogieIcfgContainer [2019-10-13 17:58:42,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:58:42,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:58:42,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:58:42,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:58:42,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:58:40" (1/3) ... [2019-10-13 17:58:42,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1263b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:58:42, skipping insertion in model container [2019-10-13 17:58:42,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:58:40" (2/3) ... [2019-10-13 17:58:42,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1263b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:58:42, skipping insertion in model container [2019-10-13 17:58:42,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:58:42" (3/3) ... [2019-10-13 17:58:42,443 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label38.c [2019-10-13 17:58:42,454 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:58:42,463 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:58:42,474 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:58:42,507 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:58:42,507 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:58:42,509 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:58:42,510 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:58:42,510 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:58:42,510 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:58:42,510 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:58:42,510 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:58:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-10-13 17:58:42,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-13 17:58:42,550 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:42,551 INFO L380 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] [2019-10-13 17:58:42,553 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:42,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:42,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1813043417, now seen corresponding path program 1 times [2019-10-13 17:58:42,564 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:42,564 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12099771] [2019-10-13 17:58:42,564 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:42,565 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:42,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:42,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:42,894 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12099771] [2019-10-13 17:58:42,895 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:58:42,895 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:58:42,896 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345076857] [2019-10-13 17:58:42,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:58:42,902 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:42,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:58:42,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:58:42,923 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-10-13 17:58:44,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:44,939 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2019-10-13 17:58:44,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 17:58:44,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-10-13 17:58:44,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:44,959 INFO L225 Difference]: With dead ends: 730 [2019-10-13 17:58:44,960 INFO L226 Difference]: Without dead ends: 447 [2019-10-13 17:58:44,969 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:58:44,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-13 17:58:45,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2019-10-13 17:58:45,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-10-13 17:58:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 610 transitions. [2019-10-13 17:58:45,050 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 610 transitions. Word has length 38 [2019-10-13 17:58:45,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:45,051 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 610 transitions. [2019-10-13 17:58:45,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:58:45,051 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 610 transitions. [2019-10-13 17:58:45,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-13 17:58:45,057 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:45,058 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:45,058 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:45,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:45,059 INFO L82 PathProgramCache]: Analyzing trace with hash -32611371, now seen corresponding path program 1 times [2019-10-13 17:58:45,059 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:45,059 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726224997] [2019-10-13 17:58:45,059 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:45,059 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:45,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 17:58:45,466 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726224997] [2019-10-13 17:58:45,467 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869327416] [2019-10-13 17:58:45,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:45,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:45,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:45,636 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:58:45,636 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-10-13 17:58:45,636 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037778592] [2019-10-13 17:58:45,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:58:45,639 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:45,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:58:45,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:58:45,640 INFO L87 Difference]: Start difference. First operand 443 states and 610 transitions. Second operand 3 states. [2019-10-13 17:58:46,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:46,290 INFO L93 Difference]: Finished difference Result 880 states and 1232 transitions. [2019-10-13 17:58:46,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:58:46,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2019-10-13 17:58:46,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:46,302 INFO L225 Difference]: With dead ends: 880 [2019-10-13 17:58:46,302 INFO L226 Difference]: Without dead ends: 878 [2019-10-13 17:58:46,304 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:58:46,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2019-10-13 17:58:46,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 733. [2019-10-13 17:58:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2019-10-13 17:58:46,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1056 transitions. [2019-10-13 17:58:46,357 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1056 transitions. Word has length 125 [2019-10-13 17:58:46,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:46,365 INFO L462 AbstractCegarLoop]: Abstraction has 733 states and 1056 transitions. [2019-10-13 17:58:46,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:58:46,365 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1056 transitions. [2019-10-13 17:58:46,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-13 17:58:46,375 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:46,376 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 17:58:46,584 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:46,585 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:46,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:46,586 INFO L82 PathProgramCache]: Analyzing trace with hash -722844368, now seen corresponding path program 1 times [2019-10-13 17:58:46,586 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:46,587 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357290028] [2019-10-13 17:58:46,587 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:46,587 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:46,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-13 17:58:47,010 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357290028] [2019-10-13 17:58:47,011 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417103662] [2019-10-13 17:58:47,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:47,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:47,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-13 17:58:47,294 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:58:47,295 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:58:47,295 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107293951] [2019-10-13 17:58:47,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:58:47,298 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:47,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:58:47,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:58:47,299 INFO L87 Difference]: Start difference. First operand 733 states and 1056 transitions. Second operand 3 states. [2019-10-13 17:58:47,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:47,865 INFO L93 Difference]: Finished difference Result 1170 states and 1687 transitions. [2019-10-13 17:58:47,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:58:47,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2019-10-13 17:58:47,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:47,874 INFO L225 Difference]: With dead ends: 1170 [2019-10-13 17:58:47,874 INFO L226 Difference]: Without dead ends: 1168 [2019-10-13 17:58:47,875 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:58:47,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2019-10-13 17:58:47,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 880. [2019-10-13 17:58:47,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2019-10-13 17:58:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1293 transitions. [2019-10-13 17:58:47,912 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1293 transitions. Word has length 215 [2019-10-13 17:58:47,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:47,913 INFO L462 AbstractCegarLoop]: Abstraction has 880 states and 1293 transitions. [2019-10-13 17:58:47,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:58:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1293 transitions. [2019-10-13 17:58:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-13 17:58:47,917 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:47,917 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 17:58:48,125 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:48,127 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:48,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:48,127 INFO L82 PathProgramCache]: Analyzing trace with hash 533564678, now seen corresponding path program 1 times [2019-10-13 17:58:48,128 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:48,128 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312813408] [2019-10-13 17:58:48,129 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:48,129 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:48,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:48,511 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:58:48,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312813408] [2019-10-13 17:58:48,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401281731] [2019-10-13 17:58:48,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:48,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:48,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:48,708 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:48,708 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:58:48,709 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17284954] [2019-10-13 17:58:48,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:58:48,712 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:48,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:58:48,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:58:48,713 INFO L87 Difference]: Start difference. First operand 880 states and 1293 transitions. Second operand 11 states. [2019-10-13 17:58:51,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:51,834 INFO L93 Difference]: Finished difference Result 2533 states and 3837 transitions. [2019-10-13 17:58:51,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-13 17:58:51,834 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 233 [2019-10-13 17:58:51,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:51,846 INFO L225 Difference]: With dead ends: 2533 [2019-10-13 17:58:51,847 INFO L226 Difference]: Without dead ends: 1659 [2019-10-13 17:58:51,850 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2019-10-13 17:58:51,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2019-10-13 17:58:51,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1045. [2019-10-13 17:58:51,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2019-10-13 17:58:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1287 transitions. [2019-10-13 17:58:51,915 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1287 transitions. Word has length 233 [2019-10-13 17:58:51,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:51,916 INFO L462 AbstractCegarLoop]: Abstraction has 1045 states and 1287 transitions. [2019-10-13 17:58:51,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:58:51,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1287 transitions. [2019-10-13 17:58:51,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-13 17:58:51,925 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:51,925 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 17:58:52,130 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:52,131 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:52,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:52,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1460015851, now seen corresponding path program 1 times [2019-10-13 17:58:52,131 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:52,132 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259786249] [2019-10-13 17:58:52,132 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:52,132 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:52,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 138 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:58:52,538 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259786249] [2019-10-13 17:58:52,538 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674353555] [2019-10-13 17:58:52,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:52,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:52,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:52,835 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 139 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:52,836 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:52,836 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:58:52,836 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850702204] [2019-10-13 17:58:52,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:58:52,839 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:52,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:58:52,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:58:52,840 INFO L87 Difference]: Start difference. First operand 1045 states and 1287 transitions. Second operand 11 states. [2019-10-13 17:58:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:56,022 INFO L93 Difference]: Finished difference Result 3541 states and 4822 transitions. [2019-10-13 17:58:56,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 17:58:56,023 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 242 [2019-10-13 17:58:56,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:56,036 INFO L225 Difference]: With dead ends: 3541 [2019-10-13 17:58:56,036 INFO L226 Difference]: Without dead ends: 1268 [2019-10-13 17:58:56,044 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2019-10-13 17:58:56,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2019-10-13 17:58:56,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1236. [2019-10-13 17:58:56,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1236 states. [2019-10-13 17:58:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1517 transitions. [2019-10-13 17:58:56,100 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1517 transitions. Word has length 242 [2019-10-13 17:58:56,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:56,101 INFO L462 AbstractCegarLoop]: Abstraction has 1236 states and 1517 transitions. [2019-10-13 17:58:56,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:58:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1517 transitions. [2019-10-13 17:58:56,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-10-13 17:58:56,108 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:56,110 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 17:58:56,316 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:56,316 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:56,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:56,316 INFO L82 PathProgramCache]: Analyzing trace with hash 504642803, now seen corresponding path program 1 times [2019-10-13 17:58:56,317 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:56,317 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553725423] [2019-10-13 17:58:56,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:56,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:56,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 17:58:56,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553725423] [2019-10-13 17:58:56,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173879009] [2019-10-13 17:58:56,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:56,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:56,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:58:56,914 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:56,914 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-13 17:58:56,914 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957877735] [2019-10-13 17:58:56,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:58:56,915 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:56,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:58:56,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:58:56,916 INFO L87 Difference]: Start difference. First operand 1236 states and 1517 transitions. Second operand 11 states. [2019-10-13 17:58:58,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:58:58,192 INFO L93 Difference]: Finished difference Result 2436 states and 2969 transitions. [2019-10-13 17:58:58,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:58:58,192 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 278 [2019-10-13 17:58:58,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:58:58,199 INFO L225 Difference]: With dead ends: 2436 [2019-10-13 17:58:58,199 INFO L226 Difference]: Without dead ends: 1226 [2019-10-13 17:58:58,203 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 280 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:58:58,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2019-10-13 17:58:58,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1196. [2019-10-13 17:58:58,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2019-10-13 17:58:58,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1398 transitions. [2019-10-13 17:58:58,236 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1398 transitions. Word has length 278 [2019-10-13 17:58:58,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:58:58,237 INFO L462 AbstractCegarLoop]: Abstraction has 1196 states and 1398 transitions. [2019-10-13 17:58:58,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:58:58,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1398 transitions. [2019-10-13 17:58:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-10-13 17:58:58,243 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:58:58,244 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:58:58,447 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:58,448 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:58:58,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:58:58,449 INFO L82 PathProgramCache]: Analyzing trace with hash -880389580, now seen corresponding path program 1 times [2019-10-13 17:58:58,449 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:58:58,449 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494995193] [2019-10-13 17:58:58,450 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:58,450 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:58:58,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:58:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 279 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-10-13 17:58:59,044 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494995193] [2019-10-13 17:58:59,046 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687406592] [2019-10-13 17:58:59,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:58:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:58:59,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:58:59,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:58:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 281 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-10-13 17:58:59,399 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:58:59,400 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-10-13 17:58:59,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105994062] [2019-10-13 17:58:59,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:58:59,401 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:58:59,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:58:59,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:58:59,402 INFO L87 Difference]: Start difference. First operand 1196 states and 1398 transitions. Second operand 9 states. [2019-10-13 17:59:01,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:59:01,238 INFO L93 Difference]: Finished difference Result 3334 states and 4180 transitions. [2019-10-13 17:59:01,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:59:01,238 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 350 [2019-10-13 17:59:01,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:59:01,249 INFO L225 Difference]: With dead ends: 3334 [2019-10-13 17:59:01,250 INFO L226 Difference]: Without dead ends: 2144 [2019-10-13 17:59:01,254 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 358 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:59:01,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2019-10-13 17:59:01,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 2080. [2019-10-13 17:59:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2019-10-13 17:59:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2413 transitions. [2019-10-13 17:59:01,309 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2413 transitions. Word has length 350 [2019-10-13 17:59:01,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:59:01,310 INFO L462 AbstractCegarLoop]: Abstraction has 2080 states and 2413 transitions. [2019-10-13 17:59:01,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:59:01,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2413 transitions. [2019-10-13 17:59:01,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2019-10-13 17:59:01,320 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:59:01,321 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:59:01,524 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:59:01,525 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:59:01,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:59:01,525 INFO L82 PathProgramCache]: Analyzing trace with hash -932458931, now seen corresponding path program 1 times [2019-10-13 17:59:01,525 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:59:01,526 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880835639] [2019-10-13 17:59:01,526 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:59:01,526 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:59:01,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:59:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:59:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:59:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:59:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:59:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:59:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-13 17:59:01,868 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880835639] [2019-10-13 17:59:01,868 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452910871] [2019-10-13 17:59:01,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:59:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:59:01,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:59:01,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:59:02,076 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-13 17:59:02,076 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:59:02,076 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:59:02,077 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485651590] [2019-10-13 17:59:02,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:59:02,077 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:59:02,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:59:02,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:59:02,078 INFO L87 Difference]: Start difference. First operand 2080 states and 2413 transitions. Second operand 3 states. [2019-10-13 17:59:02,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:59:02,569 INFO L93 Difference]: Finished difference Result 2080 states and 2413 transitions. [2019-10-13 17:59:02,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:59:02,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2019-10-13 17:59:02,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:59:02,573 INFO L225 Difference]: With dead ends: 2080 [2019-10-13 17:59:02,573 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:59:02,577 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:59:02,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:59:02,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:59:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:59:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:59:02,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2019-10-13 17:59:02,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:59:02,578 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:59:02,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:59:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:59:02,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:59:02,782 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:59:02,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:59:03,128 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 101 [2019-10-13 17:59:03,298 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 101 [2019-10-13 17:59:03,784 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 29 [2019-10-13 17:59:04,020 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 23 [2019-10-13 17:59:04,205 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 23 [2019-10-13 17:59:04,207 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:59:04,208 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-10-13 17:59:04,208 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:59:04,208 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-13 17:59:04,208 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,208 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,208 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,208 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,209 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,209 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,209 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-13 17:59:04,209 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-13 17:59:04,209 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 17:59:04,209 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-13 17:59:04,209 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-13 17:59:04,209 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-13 17:59:04,210 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-13 17:59:04,210 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-13 17:59:04,210 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2019-10-13 17:59:04,210 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-13 17:59:04,210 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-13 17:59:04,210 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-13 17:59:04,210 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,210 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,210 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,211 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,211 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,211 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-13 17:59:04,211 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-13 17:59:04,211 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-13 17:59:04,211 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-13 17:59:04,211 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-13 17:59:04,211 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 17:59:04,212 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-13 17:59:04,212 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-13 17:59:04,212 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-13 17:59:04,212 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-13 17:59:04,212 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-13 17:59:04,212 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-13 17:59:04,212 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-13 17:59:04,212 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-13 17:59:04,213 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,213 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,213 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,213 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,213 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,213 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-13 17:59:04,213 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 17:59:04,213 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-13 17:59:04,214 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-13 17:59:04,214 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-13 17:59:04,214 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-13 17:59:04,214 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-13 17:59:04,214 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-13 17:59:04,214 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-13 17:59:04,214 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-13 17:59:04,214 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,214 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,215 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,215 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,215 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,215 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-13 17:59:04,215 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-13 17:59:04,215 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-13 17:59:04,215 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-13 17:59:04,215 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-13 17:59:04,216 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-13 17:59:04,216 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-13 17:59:04,216 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-13 17:59:04,216 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-13 17:59:04,216 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-13 17:59:04,216 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-13 17:59:04,216 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-13 17:59:04,216 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-13 17:59:04,217 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,217 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,217 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,217 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,217 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,217 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 17:59:04,217 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-13 17:59:04,217 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-13 17:59:04,218 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 17:59:04,218 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-13 17:59:04,218 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-13 17:59:04,218 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-13 17:59:04,218 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-13 17:59:04,218 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-13 17:59:04,218 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,218 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,218 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,219 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,219 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,219 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,219 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,219 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-13 17:59:04,219 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-13 17:59:04,219 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-13 17:59:04,219 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-13 17:59:04,219 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 17:59:04,220 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-13 17:59:04,220 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 17:59:04,220 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 17:59:04,220 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-13 17:59:04,220 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-13 17:59:04,220 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-13 17:59:04,220 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-13 17:59:04,220 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-13 17:59:04,220 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,221 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,221 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,221 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,221 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-13 17:59:04,221 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,221 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,221 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-13 17:59:04,221 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-13 17:59:04,222 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-13 17:59:04,222 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 17:59:04,222 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-13 17:59:04,222 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-13 17:59:04,222 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 17:59:04,222 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-13 17:59:04,222 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-13 17:59:04,222 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-13 17:59:04,222 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-13 17:59:04,223 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-13 17:59:04,223 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-13 17:59:04,223 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,223 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,223 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,223 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,223 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,223 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,223 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-13 17:59:04,224 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-13 17:59:04,224 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-13 17:59:04,224 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-13 17:59:04,224 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 17:59:04,224 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-13 17:59:04,224 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 17:59:04,224 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-13 17:59:04,224 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-13 17:59:04,225 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-13 17:59:04,225 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-13 17:59:04,225 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse3 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|)) (.cse2 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse3 .cse1 .cse2))) (and (or (not (= 8 |old(~a19~0)|)) .cse0) (or (not (<= |old(~a19~0)| 9)) .cse0 (not (<= 9 |old(~a19~0)|))) (or (= 4 |old(~a10~0)|) (and .cse1 .cse2 .cse3)) (or .cse0 (not (<= |old(~a19~0)| 6)))))) [2019-10-13 17:59:04,225 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-13 17:59:04,225 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-13 17:59:04,225 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-13 17:59:04,226 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,226 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,226 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,226 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,226 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,226 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,226 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-13 17:59:04,226 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 17:59:04,227 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-13 17:59:04,227 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 17:59:04,227 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-13 17:59:04,227 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-13 17:59:04,227 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-13 17:59:04,227 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-13 17:59:04,227 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-13 17:59:04,227 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-13 17:59:04,227 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-13 17:59:04,228 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-13 17:59:04,228 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-13 17:59:04,228 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,228 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,228 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,228 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,228 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,228 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,229 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-13 17:59:04,229 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-13 17:59:04,229 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-13 17:59:04,229 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-13 17:59:04,229 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 17:59:04,229 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 17:59:04,229 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-13 17:59:04,229 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-13 17:59:04,229 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-13 17:59:04,230 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-13 17:59:04,230 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-13 17:59:04,230 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-13 17:59:04,230 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,230 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,230 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,230 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,230 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,230 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:59:04,231 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-13 17:59:04,231 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-13 17:59:04,231 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-13 17:59:04,231 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-13 17:59:04,231 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-13 17:59:04,231 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-13 17:59:04,231 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-13 17:59:04,231 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-13 17:59:04,231 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-13 17:59:04,232 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-13 17:59:04,232 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-13 17:59:04,232 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-13 17:59:04,232 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:59:04,232 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a19~0 9) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-10-13 17:59:04,232 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:59:04,232 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:59:04,233 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|))) [2019-10-13 17:59:04,233 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-10-13 17:59:04,233 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (<= ~a19~0 6) (and (<= ~a19~0 9) (<= 9 ~a19~0)) (not (= ~a10~0 4)) (= ~a19~0 8) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-13 17:59:04,233 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-13 17:59:04,233 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-13 17:59:04,233 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= ~a19~0 6) (and (<= ~a19~0 9) (<= 9 ~a19~0)) (not (= ~a10~0 4)) (= ~a19~0 8) (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-10-13 17:59:04,233 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-10-13 17:59:04,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:59:04 BoogieIcfgContainer [2019-10-13 17:59:04,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:59:04,282 INFO L168 Benchmark]: Toolchain (without parser) took 24144.22 ms. Allocated memory was 138.9 MB in the beginning and 631.8 MB in the end (delta: 492.8 MB). Free memory was 100.6 MB in the beginning and 506.2 MB in the end (delta: -405.5 MB). Peak memory consumption was 508.3 MB. Max. memory is 7.1 GB. [2019-10-13 17:59:04,286 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 17:59:04,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.42 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 100.4 MB in the beginning and 172.0 MB in the end (delta: -71.6 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2019-10-13 17:59:04,288 INFO L168 Benchmark]: Boogie Preprocessor took 113.88 ms. Allocated memory is still 206.0 MB. Free memory was 172.0 MB in the beginning and 167.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-13 17:59:04,292 INFO L168 Benchmark]: RCFGBuilder took 1405.12 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 167.2 MB in the beginning and 182.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2019-10-13 17:59:04,293 INFO L168 Benchmark]: TraceAbstraction took 21846.88 ms. Allocated memory was 237.5 MB in the beginning and 631.8 MB in the end (delta: 394.3 MB). Free memory was 181.0 MB in the beginning and 506.2 MB in the end (delta: -325.2 MB). Peak memory consumption was 490.1 MB. Max. memory is 7.1 GB. [2019-10-13 17:59:04,297 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 773.42 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 100.4 MB in the beginning and 172.0 MB in the end (delta: -71.6 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.88 ms. Allocated memory is still 206.0 MB. Free memory was 172.0 MB in the beginning and 167.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1405.12 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 167.2 MB in the beginning and 182.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21846.88 ms. Allocated memory was 237.5 MB in the beginning and 631.8 MB in the end (delta: 394.3 MB). Free memory was 181.0 MB in the beginning and 506.2 MB in the end (delta: -325.2 MB). Peak memory consumption was 490.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 100]: 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: 582]: Loop Invariant Derived loop invariant: (((((a19 <= 6 || (a19 <= 9 && 9 <= a19)) || !(a10 == 4)) || a19 == 8) || !(\old(a19) <= 9)) || !(\old(a10) <= 0)) || !(9 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 21.7s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, HoareTripleCheckerStatistics: 420 SDtfs, 3579 SDslu, 311 SDs, 0 SdLazy, 8437 SolverSat, 1695 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1950 GetRequests, 1859 SyntacticMatches, 5 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2080occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1177 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 78 PreInvPairs, 152 NumberOfFragments, 189 HoareAnnotationTreeSize, 78 FomulaSimplifications, 66709 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3534 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 3650 NumberOfCodeBlocks, 3650 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3635 ConstructedInterpolants, 0 QuantifiedInterpolants, 2209746 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3063 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 2698/2720 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...