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/Problem01_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:52:08,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:52:08,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:52:08,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:52:08,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:52:08,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:52:08,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:52:08,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:52:08,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:52:08,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:52:08,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:52:08,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:52:08,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:52:08,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:52:08,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:52:08,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:52:08,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:52:08,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:52:08,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:52:08,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:52:08,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:52:08,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:52:08,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:52:08,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:52:08,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:52:08,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:52:08,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:52:08,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:52:08,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:52:08,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:52:08,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:52:08,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:52:08,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:52:08,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:52:08,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:52:08,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:52:08,733 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 17:52:08,751 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:52:08,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:52:08,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:52:08,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:52:08,754 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:52:08,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:52:08,755 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:52:08,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:52:08,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:52:08,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:52:08,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:52:08,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:52:08,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:52:08,757 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:52:08,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:52:08,757 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:52:08,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:52:08,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:52:08,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:52:08,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:52:08,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:52:08,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:52:08,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:52:08,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:52:08,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:52:08,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:52:08,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:52:08,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:52:08,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:52:09,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:52:09,041 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:52:09,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:52:09,046 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:52:09,046 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:52:09,047 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2019-10-13 17:52:09,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a079ff47/206c9320f4b3478d9750a8519cc499da/FLAGdd452450e [2019-10-13 17:52:09,730 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:52:09,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2019-10-13 17:52:09,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a079ff47/206c9320f4b3478d9750a8519cc499da/FLAGdd452450e [2019-10-13 17:52:10,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a079ff47/206c9320f4b3478d9750a8519cc499da [2019-10-13 17:52:10,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:52:10,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:52:10,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:52:10,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:52:10,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:52:10,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:52:10" (1/1) ... [2019-10-13 17:52:10,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ecaa57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:10, skipping insertion in model container [2019-10-13 17:52:10,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:52:10" (1/1) ... [2019-10-13 17:52:10,052 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:52:10,108 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:52:10,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:52:10,637 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:52:10,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:52:10,777 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:52:10,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:10 WrapperNode [2019-10-13 17:52:10,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:52:10,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:52:10,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:52:10,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:52:10,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:10" (1/1) ... [2019-10-13 17:52:10,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:10" (1/1) ... [2019-10-13 17:52:10,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:10" (1/1) ... [2019-10-13 17:52:10,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:10" (1/1) ... [2019-10-13 17:52:10,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:10" (1/1) ... [2019-10-13 17:52:10,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:10" (1/1) ... [2019-10-13 17:52:10,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:10" (1/1) ... [2019-10-13 17:52:10,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:52:10,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:52:10,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:52:10,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:52:10,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:10" (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 17:52:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:52:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:52:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:52:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:52:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:52:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:52:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:52:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:52:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:52:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:52:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:52:12,275 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:52:12,275 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:52:12,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:52:12 BoogieIcfgContainer [2019-10-13 17:52:12,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:52:12,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:52:12,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:52:12,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:52:12,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:52:10" (1/3) ... [2019-10-13 17:52:12,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fbe2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:52:12, skipping insertion in model container [2019-10-13 17:52:12,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:10" (2/3) ... [2019-10-13 17:52:12,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fbe2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:52:12, skipping insertion in model container [2019-10-13 17:52:12,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:52:12" (3/3) ... [2019-10-13 17:52:12,285 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2019-10-13 17:52:12,295 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:52:12,305 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:52:12,317 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:52:12,355 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:52:12,355 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:52:12,356 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:52:12,356 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:52:12,356 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:52:12,356 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:52:12,356 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:52:12,357 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:52:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-13 17:52:12,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 17:52:12,405 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:12,406 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:12,408 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:12,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:12,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2019-10-13 17:52:12,421 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:12,421 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324849410] [2019-10-13 17:52:12,421 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:12,422 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:12,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:12,980 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 17:52:12,981 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324849410] [2019-10-13 17:52:12,982 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:52:12,982 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:52:12,982 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331146822] [2019-10-13 17:52:12,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:52:12,988 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:13,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:52:13,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:52:13,006 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-10-13 17:52:14,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:14,506 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-10-13 17:52:14,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 17:52:14,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2019-10-13 17:52:14,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:14,523 INFO L225 Difference]: With dead ends: 557 [2019-10-13 17:52:14,523 INFO L226 Difference]: Without dead ends: 286 [2019-10-13 17:52:14,530 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:52:14,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-13 17:52:14,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-10-13 17:52:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-13 17:52:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2019-10-13 17:52:14,609 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 100 [2019-10-13 17:52:14,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:14,610 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2019-10-13 17:52:14,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:52:14,612 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2019-10-13 17:52:14,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-13 17:52:14,620 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:14,620 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:14,621 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:14,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:14,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2019-10-13 17:52:14,623 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:14,623 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472746979] [2019-10-13 17:52:14,623 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:14,624 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:14,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:14,841 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472746979] [2019-10-13 17:52:14,842 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:52:14,842 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:52:14,842 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864248496] [2019-10-13 17:52:14,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:52:14,845 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:14,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:52:14,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:52:14,845 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2019-10-13 17:52:16,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:16,372 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2019-10-13 17:52:16,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 17:52:16,373 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2019-10-13 17:52:16,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:16,378 INFO L225 Difference]: With dead ends: 713 [2019-10-13 17:52:16,379 INFO L226 Difference]: Without dead ends: 439 [2019-10-13 17:52:16,381 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:52:16,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-13 17:52:16,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2019-10-13 17:52:16,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-13 17:52:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2019-10-13 17:52:16,421 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 110 [2019-10-13 17:52:16,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:16,421 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2019-10-13 17:52:16,421 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:52:16,422 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2019-10-13 17:52:16,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-10-13 17:52:16,425 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:16,426 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:52:16,426 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:16,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:16,427 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2019-10-13 17:52:16,427 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:16,427 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852837745] [2019-10-13 17:52:16,427 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:16,427 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:16,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:16,705 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:16,706 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852837745] [2019-10-13 17:52:16,706 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556519912] [2019-10-13 17:52:16,706 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 17:52:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:16,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-13 17:52:16,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:52:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:16,888 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:52:16,889 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2019-10-13 17:52:16,889 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59679572] [2019-10-13 17:52:16,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:52:16,890 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:16,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:52:16,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:52:16,891 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2019-10-13 17:52:17,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:17,374 INFO L93 Difference]: Finished difference Result 1247 states and 1787 transitions. [2019-10-13 17:52:17,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:52:17,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2019-10-13 17:52:17,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:17,385 INFO L225 Difference]: With dead ends: 1247 [2019-10-13 17:52:17,385 INFO L226 Difference]: Without dead ends: 832 [2019-10-13 17:52:17,387 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:52:17,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2019-10-13 17:52:17,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2019-10-13 17:52:17,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2019-10-13 17:52:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1144 transitions. [2019-10-13 17:52:17,446 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1144 transitions. Word has length 111 [2019-10-13 17:52:17,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:17,448 INFO L462 AbstractCegarLoop]: Abstraction has 832 states and 1144 transitions. [2019-10-13 17:52:17,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:52:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1144 transitions. [2019-10-13 17:52:17,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-13 17:52:17,463 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:17,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:17,668 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:17,669 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:17,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:17,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1258087941, now seen corresponding path program 1 times [2019-10-13 17:52:17,670 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:17,671 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690007799] [2019-10-13 17:52:17,671 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:17,671 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:17,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:17,875 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690007799] [2019-10-13 17:52:17,875 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:52:17,876 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:52:17,876 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650360562] [2019-10-13 17:52:17,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:52:17,877 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:17,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:52:17,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:52:17,877 INFO L87 Difference]: Start difference. First operand 832 states and 1144 transitions. Second operand 9 states. [2019-10-13 17:52:19,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:19,882 INFO L93 Difference]: Finished difference Result 2808 states and 4147 transitions. [2019-10-13 17:52:19,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 17:52:19,883 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 125 [2019-10-13 17:52:19,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:19,901 INFO L225 Difference]: With dead ends: 2808 [2019-10-13 17:52:19,901 INFO L226 Difference]: Without dead ends: 1982 [2019-10-13 17:52:19,906 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:52:19,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2019-10-13 17:52:19,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1543. [2019-10-13 17:52:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2019-10-13 17:52:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2052 transitions. [2019-10-13 17:52:20,003 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2052 transitions. Word has length 125 [2019-10-13 17:52:20,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:20,004 INFO L462 AbstractCegarLoop]: Abstraction has 1543 states and 2052 transitions. [2019-10-13 17:52:20,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:52:20,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2052 transitions. [2019-10-13 17:52:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-13 17:52:20,010 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:20,010 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:20,012 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:20,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:20,013 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2019-10-13 17:52:20,013 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:20,013 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50241217] [2019-10-13 17:52:20,014 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:20,014 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:20,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:52:20,232 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50241217] [2019-10-13 17:52:20,232 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2409618] [2019-10-13 17:52:20,232 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 17:52:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:20,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-13 17:52:20,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:52:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:52:20,357 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:52:20,357 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2019-10-13 17:52:20,358 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669089951] [2019-10-13 17:52:20,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:52:20,359 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:20,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:52:20,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:52:20,360 INFO L87 Difference]: Start difference. First operand 1543 states and 2052 transitions. Second operand 9 states. [2019-10-13 17:52:21,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:21,880 INFO L93 Difference]: Finished difference Result 3541 states and 4910 transitions. [2019-10-13 17:52:21,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 17:52:21,880 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 142 [2019-10-13 17:52:21,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:21,894 INFO L225 Difference]: With dead ends: 3541 [2019-10-13 17:52:21,894 INFO L226 Difference]: Without dead ends: 2004 [2019-10-13 17:52:21,899 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-10-13 17:52:21,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2019-10-13 17:52:21,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1684. [2019-10-13 17:52:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2019-10-13 17:52:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2237 transitions. [2019-10-13 17:52:21,979 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2237 transitions. Word has length 142 [2019-10-13 17:52:21,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:21,981 INFO L462 AbstractCegarLoop]: Abstraction has 1684 states and 2237 transitions. [2019-10-13 17:52:21,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:52:21,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2237 transitions. [2019-10-13 17:52:21,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-13 17:52:21,988 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:21,988 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:22,191 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:22,192 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:22,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:22,193 INFO L82 PathProgramCache]: Analyzing trace with hash 809347390, now seen corresponding path program 1 times [2019-10-13 17:52:22,193 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:22,194 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742084181] [2019-10-13 17:52:22,194 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:22,195 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:22,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:52:22,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742084181] [2019-10-13 17:52:22,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202916487] [2019-10-13 17:52:22,416 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 17:52:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:22,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 17:52:22,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:52:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 17:52:22,635 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:52:22,635 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-10-13 17:52:22,636 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211544060] [2019-10-13 17:52:22,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 17:52:22,638 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:22,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 17:52:22,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-13 17:52:22,640 INFO L87 Difference]: Start difference. First operand 1684 states and 2237 transitions. Second operand 10 states. [2019-10-13 17:52:25,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:25,503 INFO L93 Difference]: Finished difference Result 3998 states and 5549 transitions. [2019-10-13 17:52:25,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-13 17:52:25,504 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2019-10-13 17:52:25,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:25,518 INFO L225 Difference]: With dead ends: 3998 [2019-10-13 17:52:25,518 INFO L226 Difference]: Without dead ends: 2320 [2019-10-13 17:52:25,525 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2019-10-13 17:52:25,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2019-10-13 17:52:25,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 1712. [2019-10-13 17:52:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2019-10-13 17:52:25,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2129 transitions. [2019-10-13 17:52:25,596 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2129 transitions. Word has length 146 [2019-10-13 17:52:25,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:25,596 INFO L462 AbstractCegarLoop]: Abstraction has 1712 states and 2129 transitions. [2019-10-13 17:52:25,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 17:52:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2129 transitions. [2019-10-13 17:52:25,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-13 17:52:25,602 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:25,603 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:25,808 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:25,809 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:25,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:25,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1440991952, now seen corresponding path program 1 times [2019-10-13 17:52:25,810 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:25,810 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132735835] [2019-10-13 17:52:25,811 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:25,811 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:25,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:52:26,023 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132735835] [2019-10-13 17:52:26,023 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843109682] [2019-10-13 17:52:26,024 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 17:52:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:26,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-13 17:52:26,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:52:26,217 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 17:52:26,217 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:52:26,218 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-10-13 17:52:26,218 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79107184] [2019-10-13 17:52:26,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 17:52:26,219 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:26,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 17:52:26,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-13 17:52:26,220 INFO L87 Difference]: Start difference. First operand 1712 states and 2129 transitions. Second operand 10 states. [2019-10-13 17:52:28,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:28,890 INFO L93 Difference]: Finished difference Result 5643 states and 7685 transitions. [2019-10-13 17:52:28,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-13 17:52:28,891 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2019-10-13 17:52:28,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:28,923 INFO L225 Difference]: With dead ends: 5643 [2019-10-13 17:52:28,924 INFO L226 Difference]: Without dead ends: 3937 [2019-10-13 17:52:28,933 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2019-10-13 17:52:28,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3937 states. [2019-10-13 17:52:29,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3937 to 3299. [2019-10-13 17:52:29,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3299 states. [2019-10-13 17:52:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4179 transitions. [2019-10-13 17:52:29,086 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4179 transitions. Word has length 166 [2019-10-13 17:52:29,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:29,086 INFO L462 AbstractCegarLoop]: Abstraction has 3299 states and 4179 transitions. [2019-10-13 17:52:29,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 17:52:29,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4179 transitions. [2019-10-13 17:52:29,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-13 17:52:29,097 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:52:29,097 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:29,309 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:29,309 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:52:29,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:52:29,309 INFO L82 PathProgramCache]: Analyzing trace with hash -648776304, now seen corresponding path program 1 times [2019-10-13 17:52:29,310 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:52:29,310 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479289286] [2019-10-13 17:52:29,310 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:29,310 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:52:29,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:52:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-13 17:52:29,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479289286] [2019-10-13 17:52:29,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43630929] [2019-10-13 17:52:29,569 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 17:52:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:52:29,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 17:52:29,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:52:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-13 17:52:29,781 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:52:29,781 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-10-13 17:52:29,782 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823041005] [2019-10-13 17:52:29,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 17:52:29,785 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:52:29,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 17:52:29,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-13 17:52:29,788 INFO L87 Difference]: Start difference. First operand 3299 states and 4179 transitions. Second operand 10 states. [2019-10-13 17:52:33,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:52:33,780 INFO L93 Difference]: Finished difference Result 6832 states and 8795 transitions. [2019-10-13 17:52:33,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-13 17:52:33,780 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2019-10-13 17:52:33,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:52:33,781 INFO L225 Difference]: With dead ends: 6832 [2019-10-13 17:52:33,781 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:52:33,796 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=165, Invalid=485, Unknown=0, NotChecked=0, Total=650 [2019-10-13 17:52:33,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:52:33,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:52:33,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:52:33,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:52:33,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2019-10-13 17:52:33,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:52:33,798 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:52:33,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 17:52:33,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:52:33,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:52:34,011 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:52:34,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:52:34,838 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 201 [2019-10-13 17:52:35,196 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 201 [2019-10-13 17:52:36,497 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 186 DAG size of output: 71 [2019-10-13 17:52:37,362 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 64 [2019-10-13 17:52:38,198 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 64 [2019-10-13 17:52:38,201 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:52:38,201 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-13 17:52:38,201 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:52:38,202 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-13 17:52:38,202 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-13 17:52:38,202 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,202 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,202 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,202 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,202 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,203 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,203 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-13 17:52:38,203 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-13 17:52:38,203 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-13 17:52:38,203 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-13 17:52:38,203 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-13 17:52:38,203 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-13 17:52:38,203 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-13 17:52:38,203 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-13 17:52:38,204 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-13 17:52:38,204 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-13 17:52:38,204 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,204 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,204 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,204 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,204 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,204 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,205 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-13 17:52:38,205 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-13 17:52:38,205 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-13 17:52:38,205 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-13 17:52:38,205 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-13 17:52:38,205 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-13 17:52:38,205 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-13 17:52:38,205 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-13 17:52:38,205 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-13 17:52:38,206 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-13 17:52:38,206 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-13 17:52:38,206 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-13 17:52:38,206 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-13 17:52:38,206 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-13 17:52:38,206 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-13 17:52:38,206 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,206 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,207 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,207 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,207 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,207 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-13 17:52:38,207 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-13 17:52:38,207 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-13 17:52:38,207 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-13 17:52:38,207 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-13 17:52:38,208 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-13 17:52:38,208 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-13 17:52:38,208 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-13 17:52:38,208 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-13 17:52:38,208 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2019-10-13 17:52:38,208 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,208 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,208 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,209 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,209 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,209 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-13 17:52:38,209 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-13 17:52:38,209 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-13 17:52:38,209 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-13 17:52:38,209 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-13 17:52:38,209 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-13 17:52:38,209 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-13 17:52:38,210 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-13 17:52:38,211 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,212 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-13 17:52:38,212 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-13 17:52:38,212 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-13 17:52:38,212 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-13 17:52:38,212 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-13 17:52:38,212 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-13 17:52:38,212 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-13 17:52:38,212 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-13 17:52:38,212 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-13 17:52:38,213 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-13 17:52:38,213 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-13 17:52:38,213 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-13 17:52:38,213 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-13 17:52:38,213 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,213 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,213 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,213 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,213 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,213 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-13 17:52:38,214 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-13 17:52:38,214 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-13 17:52:38,214 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-13 17:52:38,214 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-13 17:52:38,214 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-13 17:52:38,214 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-13 17:52:38,214 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-13 17:52:38,214 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,214 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,215 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,215 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,215 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,215 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-13 17:52:38,215 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-13 17:52:38,215 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-13 17:52:38,215 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-13 17:52:38,215 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-13 17:52:38,215 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-13 17:52:38,216 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-13 17:52:38,216 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-13 17:52:38,216 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-13 17:52:38,216 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-13 17:52:38,216 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a7~0 |old(~a7~0)|)) (.cse5 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a8~0 |old(~a8~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse13 (not (<= |old(~a21~0)| 0))) (.cse18 (not (<= |old(~a16~0)| 5))) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse10 (not (= 1 |old(~a20~0)|)))) (let ((.cse15 (or .cse0 (not (<= 5 |old(~a16~0)|)) .cse10)) (.cse17 (or .cse18 (= 13 |old(~a8~0)|))) (.cse16 (or .cse18 .cse13)) (.cse14 (or .cse0 .cse10 .cse18)) (.cse19 (not (= 1 |old(~a7~0)|))) (.cse9 (not (= 1 |old(~a17~0)|))) (.cse7 (not (<= |old(~a7~0)| 0))) (.cse11 (and .cse1 .cse4 .cse5 .cse2 .cse6 .cse3)) (.cse12 (not (<= |old(~a17~0)| 0))) (.cse8 (not (<= 15 |old(~a8~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 .cse9) (or .cse10 .cse11 .cse12 .cse13) (or (and (or .cse14 .cse7 .cse9) (or .cse7 .cse15 .cse9)) (and (and .cse1 .cse4) .cse5 .cse2 .cse6 .cse3)) (or .cse11 .cse12 .cse16) (or .cse11 (or .cse0 .cse17 .cse7 .cse9)) (or .cse11 (or .cse0 .cse18 .cse7) .cse12) (or (and .cse1 .cse2 .cse4 .cse5 .cse6 (= ~a20~0 1)) .cse7 .cse12 .cse15) (or .cse0 .cse17 .cse19 .cse11 .cse12) (or .cse11 .cse16 .cse9) (or .cse11 .cse14 .cse19 .cse9) (or .cse0 .cse7 .cse11 .cse12 .cse8)))) [2019-10-13 17:52:38,216 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-13 17:52:38,217 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,217 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,217 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,217 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,217 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-13 17:52:38,217 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,217 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,217 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-13 17:52:38,217 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-13 17:52:38,218 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-13 17:52:38,218 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-13 17:52:38,218 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-13 17:52:38,218 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-13 17:52:38,218 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-13 17:52:38,218 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-13 17:52:38,218 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-13 17:52:38,218 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-13 17:52:38,218 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-13 17:52:38,218 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-13 17:52:38,218 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,218 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-13 17:52:38,219 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-13 17:52:38,220 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-13 17:52:38,221 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 17:52:38,221 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-13 17:52:38,221 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-13 17:52:38,221 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-13 17:52:38,221 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-13 17:52:38,221 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-13 17:52:38,221 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-13 17:52:38,221 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:52:38,221 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (<= ~a16~0 5) (= ~a17~0 1) (<= 5 ~a16~0) (= ~a21~0 1) (= ~a20~0 1) (<= ~a7~0 0)) [2019-10-13 17:52:38,221 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:52:38,221 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:52:38,221 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (= ~a21~0 |old(~a21~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 1)) (not (<= |old(~a7~0)| 0)) (not (<= 15 |old(~a8~0)|)) (not (= 1 |old(~a17~0)|))) [2019-10-13 17:52:38,222 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-13 17:52:38,222 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (<= ~a16~0 5)) (.cse2 (= ~a21~0 1)) (.cse5 (= ~a20~0 1))) (let ((.cse8 (and (<= 5 ~a16~0) .cse2 .cse5)) (.cse0 (<= 15 ~a8~0)) (.cse3 (<= ~a7~0 0)) (.cse4 (<= ~a21~0 0)) (.cse6 (and .cse10 .cse2 .cse5)) (.cse7 (= ~a17~0 1)) (.cse11 (= 1 ~a7~0)) (.cse9 (and (and .cse10 (not (= ~a8~0 13))) .cse2)) (.cse1 (<= ~a17~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~a21~0)|)) (and .cse4 .cse1 .cse5) (or (and .cse6 .cse7 .cse3) (and .cse7 .cse8 .cse3)) (not (<= 15 |old(~a8~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse9 .cse7 .cse3) (and (and .cse8 .cse3) .cse1) (and .cse4 .cse10 .cse1) (not (<= |old(~a7~0)| 0)) (and .cse0 .cse7 .cse2 .cse3) (and (and .cse10 .cse2 .cse3) .cse1) (and .cse4 .cse10 .cse7) (not (= 1 |old(~a17~0)|)) (and .cse11 (and .cse6 .cse7)) (not (<= |old(~a16~0)| 5)) (and .cse11 .cse9 .cse1)))) [2019-10-13 17:52:38,222 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-13 17:52:38,222 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-13 17:52:38,222 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (<= ~a16~0 5)) (.cse2 (= ~a21~0 1)) (.cse5 (= ~a20~0 1))) (let ((.cse8 (and (<= 5 ~a16~0) .cse2 .cse5)) (.cse0 (<= 15 ~a8~0)) (.cse3 (<= ~a7~0 0)) (.cse4 (<= ~a21~0 0)) (.cse6 (and .cse10 .cse2 .cse5)) (.cse7 (= ~a17~0 1)) (.cse11 (= 1 ~a7~0)) (.cse9 (and (and .cse10 (not (= ~a8~0 13))) .cse2)) (.cse1 (<= ~a17~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~a21~0)|)) (and .cse4 .cse1 .cse5) (or (and .cse6 .cse7 .cse3) (and .cse7 .cse8 .cse3)) (not (<= 15 |old(~a8~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse9 .cse7 .cse3) (and (and .cse8 .cse3) .cse1) (and .cse4 .cse10 .cse1) (not (<= |old(~a7~0)| 0)) (and .cse0 .cse7 .cse2 .cse3) (and (and .cse10 .cse2 .cse3) .cse1) (and .cse4 .cse10 .cse7) (not (= 1 |old(~a17~0)|)) (and .cse11 (and .cse6 .cse7)) (not (<= |old(~a16~0)| 5)) (and .cse11 .cse9 .cse1)))) [2019-10-13 17:52:38,222 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-13 17:52:38,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:52:38 BoogieIcfgContainer [2019-10-13 17:52:38,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:52:38,244 INFO L168 Benchmark]: Toolchain (without parser) took 28209.61 ms. Allocated memory was 142.1 MB in the beginning and 573.0 MB in the end (delta: 431.0 MB). Free memory was 97.2 MB in the beginning and 386.7 MB in the end (delta: -289.6 MB). Peak memory consumption was 425.6 MB. Max. memory is 7.1 GB. [2019-10-13 17:52:38,245 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.1 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:52:38,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.49 ms. Allocated memory was 142.1 MB in the beginning and 199.2 MB in the end (delta: 57.1 MB). Free memory was 97.0 MB in the beginning and 157.3 MB in the end (delta: -60.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-10-13 17:52:38,247 INFO L168 Benchmark]: Boogie Preprocessor took 151.86 ms. Allocated memory is still 199.2 MB. Free memory was 157.3 MB in the beginning and 152.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-13 17:52:38,248 INFO L168 Benchmark]: RCFGBuilder took 1345.10 ms. Allocated memory was 199.2 MB in the beginning and 226.5 MB in the end (delta: 27.3 MB). Free memory was 152.3 MB in the beginning and 165.3 MB in the end (delta: -13.0 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2019-10-13 17:52:38,249 INFO L168 Benchmark]: TraceAbstraction took 25964.43 ms. Allocated memory was 226.5 MB in the beginning and 573.0 MB in the end (delta: 346.6 MB). Free memory was 165.3 MB in the beginning and 386.7 MB in the end (delta: -221.4 MB). Peak memory consumption was 409.3 MB. Max. memory is 7.1 GB. [2019-10-13 17:52:38,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 142.1 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.49 ms. Allocated memory was 142.1 MB in the beginning and 199.2 MB in the end (delta: 57.1 MB). Free memory was 97.0 MB in the beginning and 157.3 MB in the end (delta: -60.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 151.86 ms. Allocated memory is still 199.2 MB. Free memory was 157.3 MB in the beginning and 152.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1345.10 ms. Allocated memory was 199.2 MB in the beginning and 226.5 MB in the end (delta: 27.3 MB). Free memory was 152.3 MB in the beginning and 165.3 MB in the end (delta: -13.0 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25964.43 ms. Allocated memory was 226.5 MB in the beginning and 573.0 MB in the end (delta: 346.6 MB). Free memory was 165.3 MB in the beginning and 386.7 MB in the end (delta: -221.4 MB). Peak memory consumption was 409.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((15 <= a8 && a17 <= 0) && a21 == 1) && a7 <= 0) || !(1 == \old(a21))) || ((a21 <= 0 && a17 <= 0) && a20 == 1)) || ((((a16 <= 5 && a21 == 1) && a20 == 1) && a17 == 1) && a7 <= 0) || ((a17 == 1 && (5 <= a16 && a21 == 1) && a20 == 1) && a7 <= 0)) || !(15 <= \old(a8))) || !(5 <= \old(a16))) || !(1 == \old(a20))) || ((((a16 <= 5 && !(a8 == 13)) && a21 == 1) && a17 == 1) && a7 <= 0)) || ((((5 <= a16 && a21 == 1) && a20 == 1) && a7 <= 0) && a17 <= 0)) || ((a21 <= 0 && a16 <= 5) && a17 <= 0)) || !(\old(a7) <= 0)) || (((15 <= a8 && a17 == 1) && a21 == 1) && a7 <= 0)) || (((a16 <= 5 && a21 == 1) && a7 <= 0) && a17 <= 0)) || ((a21 <= 0 && a16 <= 5) && a17 == 1)) || !(1 == \old(a17))) || (1 == a7 && ((a16 <= 5 && a21 == 1) && a20 == 1) && a17 == 1)) || !(\old(a16) <= 5)) || ((1 == a7 && (a16 <= 5 && !(a8 == 13)) && a21 == 1) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 25.8s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, HoareTripleCheckerStatistics: 273 SDtfs, 4780 SDslu, 434 SDs, 0 SdLazy, 8788 SolverSat, 2058 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 951 GetRequests, 831 SyntacticMatches, 2 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3299occurred 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: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2029 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 172 NumberOfFragments, 982 HoareAnnotationTreeSize, 108 FomulaSimplifications, 291442 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 27186 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1873 NumberOfCodeBlocks, 1873 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 797480 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2249 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 565/735 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...