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_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 21:52:35,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 21:52:35,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 21:52:36,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 21:52:36,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 21:52:36,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 21:52:36,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 21:52:36,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 21:52:36,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 21:52:36,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 21:52:36,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 21:52:36,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 21:52:36,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 21:52:36,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 21:52:36,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 21:52:36,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 21:52:36,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 21:52:36,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 21:52:36,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 21:52:36,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 21:52:36,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 21:52:36,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 21:52:36,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 21:52:36,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 21:52:36,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 21:52:36,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 21:52:36,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 21:52:36,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 21:52:36,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 21:52:36,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 21:52:36,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 21:52:36,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 21:52:36,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 21:52:36,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 21:52:36,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 21:52:36,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 21:52:36,064 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 [2019-10-14 21:52:36,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 21:52:36,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 21:52:36,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 21:52:36,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 21:52:36,078 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 21:52:36,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 21:52:36,079 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 21:52:36,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 21:52:36,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 21:52:36,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 21:52:36,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 21:52:36,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 21:52:36,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 21:52:36,080 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 21:52:36,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 21:52:36,080 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 21:52:36,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 21:52:36,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 21:52:36,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 21:52:36,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 21:52:36,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 21:52:36,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:52:36,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 21:52:36,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 21:52:36,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 21:52:36,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 21:52:36,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 21:52:36,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 21:52:36,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 21:52:36,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 21:52:36,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 21:52:36,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 21:52:36,384 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 21:52:36,384 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 21:52:36,385 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label59.c [2019-10-14 21:52:36,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb59925fb/4e43e3ce56b540fe9db8119c36f35b63/FLAGc473814ad [2019-10-14 21:52:37,057 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 21:52:37,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label59.c [2019-10-14 21:52:37,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb59925fb/4e43e3ce56b540fe9db8119c36f35b63/FLAGc473814ad [2019-10-14 21:52:37,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb59925fb/4e43e3ce56b540fe9db8119c36f35b63 [2019-10-14 21:52:37,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 21:52:37,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 21:52:37,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 21:52:37,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 21:52:37,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 21:52:37,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:52:37" (1/1) ... [2019-10-14 21:52:37,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e4cadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:37, skipping insertion in model container [2019-10-14 21:52:37,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:52:37" (1/1) ... [2019-10-14 21:52:37,342 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 21:52:37,400 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 21:52:37,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:52:37,895 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 21:52:38,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:52:38,061 INFO L192 MainTranslator]: Completed translation [2019-10-14 21:52:38,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38 WrapperNode [2019-10-14 21:52:38,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 21:52:38,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 21:52:38,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 21:52:38,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 21:52:38,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2019-10-14 21:52:38,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2019-10-14 21:52:38,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2019-10-14 21:52:38,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2019-10-14 21:52:38,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2019-10-14 21:52:38,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2019-10-14 21:52:38,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (1/1) ... [2019-10-14 21:52:38,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 21:52:38,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 21:52:38,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 21:52:38,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 21:52:38,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (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 [2019-10-14 21:52:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 21:52:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 21:52:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 21:52:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 21:52:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 21:52:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 21:52:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 21:52:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 21:52:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 21:52:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 21:52:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 21:52:39,719 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 21:52:39,719 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 21:52:39,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:52:39 BoogieIcfgContainer [2019-10-14 21:52:39,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 21:52:39,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 21:52:39,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 21:52:39,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 21:52:39,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:52:37" (1/3) ... [2019-10-14 21:52:39,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ff6a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:52:39, skipping insertion in model container [2019-10-14 21:52:39,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:52:38" (2/3) ... [2019-10-14 21:52:39,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ff6a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:52:39, skipping insertion in model container [2019-10-14 21:52:39,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:52:39" (3/3) ... [2019-10-14 21:52:39,737 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label59.c [2019-10-14 21:52:39,751 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 21:52:39,761 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 21:52:39,773 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 21:52:39,818 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 21:52:39,819 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 21:52:39,821 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 21:52:39,821 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 21:52:39,822 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 21:52:39,822 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 21:52:39,822 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 21:52:39,822 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 21:52:39,869 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-14 21:52:39,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-10-14 21:52:39,885 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:39,887 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] [2019-10-14 21:52:39,889 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:39,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:39,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1907034097, now seen corresponding path program 1 times [2019-10-14 21:52:39,906 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:39,906 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474067158] [2019-10-14 21:52:39,907 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:39,907 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:39,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:40,570 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474067158] [2019-10-14 21:52:40,571 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:52:40,572 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 21:52:40,574 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861510030] [2019-10-14 21:52:40,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 21:52:40,582 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:40,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 21:52:40,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:52:40,603 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-10-14 21:52:42,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:42,336 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-10-14 21:52:42,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 21:52:42,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2019-10-14 21:52:42,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:42,360 INFO L225 Difference]: With dead ends: 557 [2019-10-14 21:52:42,361 INFO L226 Difference]: Without dead ends: 286 [2019-10-14 21:52:42,368 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 [2019-10-14 21:52:42,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-14 21:52:42,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-10-14 21:52:42,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-14 21:52:42,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2019-10-14 21:52:42,461 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 95 [2019-10-14 21:52:42,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:42,462 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2019-10-14 21:52:42,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 21:52:42,462 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2019-10-14 21:52:42,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-10-14 21:52:42,468 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:42,468 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] [2019-10-14 21:52:42,468 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:42,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:42,469 INFO L82 PathProgramCache]: Analyzing trace with hash -2120846440, now seen corresponding path program 1 times [2019-10-14 21:52:42,469 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:42,469 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799022592] [2019-10-14 21:52:42,470 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:42,470 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:42,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:42,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:42,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799022592] [2019-10-14 21:52:42,711 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:52:42,712 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:52:42,712 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50460450] [2019-10-14 21:52:42,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:52:42,717 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:42,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:52:42,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:52:42,718 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2019-10-14 21:52:44,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:44,155 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2019-10-14 21:52:44,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 21:52:44,156 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2019-10-14 21:52:44,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:44,160 INFO L225 Difference]: With dead ends: 713 [2019-10-14 21:52:44,161 INFO L226 Difference]: Without dead ends: 439 [2019-10-14 21:52:44,163 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 [2019-10-14 21:52:44,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-14 21:52:44,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2019-10-14 21:52:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-14 21:52:44,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2019-10-14 21:52:44,208 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 105 [2019-10-14 21:52:44,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:44,209 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2019-10-14 21:52:44,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:52:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2019-10-14 21:52:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-14 21:52:44,212 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:44,213 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] [2019-10-14 21:52:44,221 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:44,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:44,223 INFO L82 PathProgramCache]: Analyzing trace with hash -588378602, now seen corresponding path program 1 times [2019-10-14 21:52:44,223 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:44,223 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269821452] [2019-10-14 21:52:44,223 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:44,224 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:44,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:44,535 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269821452] [2019-10-14 21:52:44,535 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997435171] [2019-10-14 21:52:44,535 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 [2019-10-14 21:52:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:44,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:52:44,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:52:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:44,716 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:52:44,717 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2019-10-14 21:52:44,717 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501566374] [2019-10-14 21:52:44,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:52:44,718 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:44,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:52:44,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-14 21:52:44,719 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2019-10-14 21:52:45,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:45,239 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2019-10-14 21:52:45,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:52:45,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2019-10-14 21:52:45,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:45,246 INFO L225 Difference]: With dead ends: 1247 [2019-10-14 21:52:45,246 INFO L226 Difference]: Without dead ends: 832 [2019-10-14 21:52:45,248 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-14 21:52:45,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2019-10-14 21:52:45,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2019-10-14 21:52:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2019-10-14 21:52:45,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2019-10-14 21:52:45,288 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 106 [2019-10-14 21:52:45,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:45,289 INFO L462 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2019-10-14 21:52:45,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:52:45,290 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2019-10-14 21:52:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-14 21:52:45,295 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:45,296 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:52:45,499 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:45,500 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:45,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:45,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1270890910, now seen corresponding path program 1 times [2019-10-14 21:52:45,501 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:45,501 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122628043] [2019-10-14 21:52:45,502 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:45,502 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:45,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:45,771 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122628043] [2019-10-14 21:52:45,771 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454502465] [2019-10-14 21:52:45,771 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 [2019-10-14 21:52:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:45,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:52:45,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:52:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:45,903 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:52:45,903 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 21:52:45,904 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935922742] [2019-10-14 21:52:45,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:52:45,905 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:45,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:52:45,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:52:45,905 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2019-10-14 21:52:46,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:46,450 INFO L93 Difference]: Finished difference Result 2343 states and 3200 transitions. [2019-10-14 21:52:46,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:52:46,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-10-14 21:52:46,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:46,462 INFO L225 Difference]: With dead ends: 2343 [2019-10-14 21:52:46,463 INFO L226 Difference]: Without dead ends: 1517 [2019-10-14 21:52:46,466 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:52:46,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2019-10-14 21:52:46,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1517. [2019-10-14 21:52:46,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1517 states. [2019-10-14 21:52:46,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2006 transitions. [2019-10-14 21:52:46,549 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2006 transitions. Word has length 112 [2019-10-14 21:52:46,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:46,552 INFO L462 AbstractCegarLoop]: Abstraction has 1517 states and 2006 transitions. [2019-10-14 21:52:46,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:52:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2006 transitions. [2019-10-14 21:52:46,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-14 21:52:46,562 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:46,562 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:52:46,768 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:46,768 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:46,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:46,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1483997624, now seen corresponding path program 1 times [2019-10-14 21:52:46,769 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:46,769 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680140632] [2019-10-14 21:52:46,769 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:46,769 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:46,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:46,946 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680140632] [2019-10-14 21:52:46,946 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980156351] [2019-10-14 21:52:46,946 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 [2019-10-14 21:52:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:47,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-14 21:52:47,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:52:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:47,139 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:52:47,139 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2019-10-14 21:52:47,139 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671480408] [2019-10-14 21:52:47,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 21:52:47,140 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:47,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 21:52:47,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-14 21:52:47,141 INFO L87 Difference]: Start difference. First operand 1517 states and 2006 transitions. Second operand 5 states. [2019-10-14 21:52:47,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:47,900 INFO L93 Difference]: Finished difference Result 4194 states and 5867 transitions. [2019-10-14 21:52:47,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-14 21:52:47,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2019-10-14 21:52:47,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:47,919 INFO L225 Difference]: With dead ends: 4194 [2019-10-14 21:52:47,920 INFO L226 Difference]: Without dead ends: 2683 [2019-10-14 21:52:47,925 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:52:47,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2019-10-14 21:52:48,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2647. [2019-10-14 21:52:48,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2647 states. [2019-10-14 21:52:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3559 transitions. [2019-10-14 21:52:48,029 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3559 transitions. Word has length 121 [2019-10-14 21:52:48,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:48,030 INFO L462 AbstractCegarLoop]: Abstraction has 2647 states and 3559 transitions. [2019-10-14 21:52:48,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 21:52:48,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3559 transitions. [2019-10-14 21:52:48,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-14 21:52:48,042 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:48,042 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:52:48,249 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:48,250 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:48,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:48,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1499758397, now seen corresponding path program 1 times [2019-10-14 21:52:48,251 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:48,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130443361] [2019-10-14 21:52:48,252 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:48,252 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:48,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:52:48,485 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130443361] [2019-10-14 21:52:48,486 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761005785] [2019-10-14 21:52:48,486 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 [2019-10-14 21:52:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:48,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-14 21:52:48,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:52:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-14 21:52:48,695 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:52:48,695 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-10-14 21:52:48,696 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670642754] [2019-10-14 21:52:48,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 21:52:48,697 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:48,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 21:52:48,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-14 21:52:48,698 INFO L87 Difference]: Start difference. First operand 2647 states and 3559 transitions. Second operand 10 states. [2019-10-14 21:52:51,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:51,103 INFO L93 Difference]: Finished difference Result 5200 states and 7711 transitions. [2019-10-14 21:52:51,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-14 21:52:51,104 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2019-10-14 21:52:51,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:51,125 INFO L225 Difference]: With dead ends: 5200 [2019-10-14 21:52:51,125 INFO L226 Difference]: Without dead ends: 2694 [2019-10-14 21:52:51,135 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2019-10-14 21:52:51,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2019-10-14 21:52:51,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2294. [2019-10-14 21:52:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2294 states. [2019-10-14 21:52:51,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 2294 states and 2866 transitions. [2019-10-14 21:52:51,254 INFO L78 Accepts]: Start accepts. Automaton has 2294 states and 2866 transitions. Word has length 129 [2019-10-14 21:52:51,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:51,255 INFO L462 AbstractCegarLoop]: Abstraction has 2294 states and 2866 transitions. [2019-10-14 21:52:51,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 21:52:51,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2866 transitions. [2019-10-14 21:52:51,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-14 21:52:51,262 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:51,262 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 21:52:51,467 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:51,467 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:51,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:51,467 INFO L82 PathProgramCache]: Analyzing trace with hash 19681692, now seen corresponding path program 1 times [2019-10-14 21:52:51,468 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:51,468 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302200485] [2019-10-14 21:52:51,468 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:51,468 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:51,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:51,709 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:52:51,709 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302200485] [2019-10-14 21:52:51,709 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:52:51,710 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:52:51,710 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333147105] [2019-10-14 21:52:51,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:52:51,711 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:51,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:52:51,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:52:51,711 INFO L87 Difference]: Start difference. First operand 2294 states and 2866 transitions. Second operand 9 states. [2019-10-14 21:52:53,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:53,504 INFO L93 Difference]: Finished difference Result 6020 states and 7727 transitions. [2019-10-14 21:52:53,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-14 21:52:53,504 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 139 [2019-10-14 21:52:53,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:53,528 INFO L225 Difference]: With dead ends: 6020 [2019-10-14 21:52:53,528 INFO L226 Difference]: Without dead ends: 3867 [2019-10-14 21:52:53,536 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-10-14 21:52:53,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2019-10-14 21:52:53,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3692. [2019-10-14 21:52:53,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3692 states. [2019-10-14 21:52:53,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 4346 transitions. [2019-10-14 21:52:53,687 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 4346 transitions. Word has length 139 [2019-10-14 21:52:53,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:53,687 INFO L462 AbstractCegarLoop]: Abstraction has 3692 states and 4346 transitions. [2019-10-14 21:52:53,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:52:53,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 4346 transitions. [2019-10-14 21:52:53,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 21:52:53,698 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:52:53,699 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, 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] [2019-10-14 21:52:53,699 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:52:53,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:52:53,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1721648861, now seen corresponding path program 1 times [2019-10-14 21:52:53,700 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:52:53,700 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318547293] [2019-10-14 21:52:53,700 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:53,700 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:52:53,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:52:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:53,916 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:52:53,916 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318547293] [2019-10-14 21:52:53,917 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486517868] [2019-10-14 21:52:53,917 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 [2019-10-14 21:52:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:52:54,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:52:54,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:52:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-14 21:52:54,081 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:52:54,082 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-10-14 21:52:54,082 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576745834] [2019-10-14 21:52:54,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:52:54,083 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:52:54,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:52:54,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:52:54,087 INFO L87 Difference]: Start difference. First operand 3692 states and 4346 transitions. Second operand 3 states. [2019-10-14 21:52:54,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:52:54,570 INFO L93 Difference]: Finished difference Result 7916 states and 9394 transitions. [2019-10-14 21:52:54,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:52:54,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-14 21:52:54,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:52:54,572 INFO L225 Difference]: With dead ends: 7916 [2019-10-14 21:52:54,572 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 21:52:54,586 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:52:54,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 21:52:54,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 21:52:54,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 21:52:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 21:52:54,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2019-10-14 21:52:54,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:52:54,587 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 21:52:54,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:52:54,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 21:52:54,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 21:52:54,801 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:52:54,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 21:52:55,214 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 129 [2019-10-14 21:52:55,401 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 129 [2019-10-14 21:52:56,569 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 154 DAG size of output: 61 [2019-10-14 21:52:57,094 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 59 [2019-10-14 21:52:57,496 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 59 [2019-10-14 21:52:57,499 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:52:57,499 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)|)) [2019-10-14 21:52:57,499 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:52:57,500 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-14 21:52:57,500 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-14 21:52:57,500 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,500 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,500 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,500 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,500 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,500 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,501 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-14 21:52:57,501 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-14 21:52:57,501 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-14 21:52:57,501 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-14 21:52:57,501 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-14 21:52:57,501 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-14 21:52:57,501 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-14 21:52:57,501 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-14 21:52:57,501 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-14 21:52:57,502 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-14 21:52:57,502 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,502 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,502 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,502 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,502 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,502 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,502 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-14 21:52:57,502 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-14 21:52:57,502 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-14 21:52:57,503 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-14 21:52:57,503 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-14 21:52:57,503 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-14 21:52:57,503 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-14 21:52:57,503 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-14 21:52:57,503 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-14 21:52:57,503 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-14 21:52:57,503 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-14 21:52:57,503 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-14 21:52:57,504 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-14 21:52:57,504 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-14 21:52:57,504 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-14 21:52:57,504 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,504 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,504 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,504 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,504 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,505 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-14 21:52:57,505 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-14 21:52:57,505 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-14 21:52:57,505 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-14 21:52:57,505 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-14 21:52:57,505 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-14 21:52:57,505 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-14 21:52:57,505 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-14 21:52:57,505 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-14 21:52:57,506 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,506 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,506 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,506 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,506 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,506 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-14 21:52:57,506 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-14 21:52:57,506 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-14 21:52:57,507 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-14 21:52:57,507 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-14 21:52:57,507 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-14 21:52:57,507 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-14 21:52:57,507 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-14 21:52:57,507 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-14 21:52:57,507 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-14 21:52:57,507 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-14 21:52:57,507 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-14 21:52:57,507 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-14 21:52:57,508 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,508 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,508 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,508 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,508 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,508 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-14 21:52:57,508 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-14 21:52:57,508 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-14 21:52:57,508 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-14 21:52:57,509 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-14 21:52:57,509 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-14 21:52:57,509 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-14 21:52:57,509 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-14 21:52:57,509 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-14 21:52:57,509 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,509 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,509 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,509 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,509 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,510 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,510 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-14 21:52:57,510 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,510 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-14 21:52:57,510 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-14 21:52:57,510 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-14 21:52:57,510 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-14 21:52:57,510 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-14 21:52:57,510 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-14 21:52:57,510 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-14 21:52:57,511 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-14 21:52:57,511 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-14 21:52:57,511 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-14 21:52:57,511 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-14 21:52:57,511 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-14 21:52:57,511 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-14 21:52:57,511 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,511 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,511 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,511 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,512 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,512 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-14 21:52:57,512 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-14 21:52:57,512 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-14 21:52:57,512 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-14 21:52:57,512 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-14 21:52:57,512 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-14 21:52:57,512 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-14 21:52:57,512 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-14 21:52:57,512 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,513 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,513 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,513 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,513 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,513 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-14 21:52:57,513 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-14 21:52:57,513 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-14 21:52:57,513 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-14 21:52:57,513 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-14 21:52:57,513 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-14 21:52:57,513 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-14 21:52:57,513 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-14 21:52:57,514 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-14 21:52:57,514 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-14 21:52:57,514 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse13 (= ~a7~0 |old(~a7~0)|)) (.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse12 (= ~a16~0 |old(~a16~0)|)) (.cse15 (= ~a8~0 |old(~a8~0)|))) (let ((.cse10 (not (<= 5 |old(~a16~0)|))) (.cse8 (not (<= |old(~a8~0)| 14))) (.cse5 (not (<= |old(~a17~0)| 0))) (.cse0 (not (<= |old(~a8~0)| 13))) (.cse1 (not (= 1 |old(~a20~0)|))) (.cse7 (not (<= |old(~a7~0)| 0))) (.cse9 (= 1 |old(~a7~0)|)) (.cse4 (and .cse11 .cse13 .cse14 .cse12 .cse15 (= ~a20~0 |old(~a20~0)|))) (.cse2 (not (<= |old(~a16~0)| 5))) (.cse6 (not (<= |old(~a20~0)| 0))) (.cse3 (not (= 1 |old(~a17~0)|)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse2 .cse5 .cse4 .cse6) (or .cse4 .cse1 .cse7 .cse5) (or .cse1 .cse2 .cse8 .cse7 .cse3 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse4 .cse5) (or .cse7 .cse4 .cse6 .cse3) (or .cse9 .cse10 .cse1 .cse4 .cse5) (or .cse10 .cse1 .cse2 .cse7 .cse4 .cse3) (or .cse4 .cse7 .cse5 .cse6) (or .cse10 .cse1 .cse2 .cse8 .cse5 .cse4) (or .cse0 .cse1 .cse7 (and .cse11 .cse12 .cse13 .cse14 .cse15 (= ~a20~0 1)) .cse3) (or .cse9 .cse4 (or .cse2 .cse6 .cse3))))) [2019-10-14 21:52:57,514 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-14 21:52:57,514 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,514 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,514 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,514 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-14 21:52:57,515 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-14 21:52:57,516 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-14 21:52:57,516 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-14 21:52:57,516 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,516 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,516 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,516 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,516 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,516 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-14 21:52:57,516 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,516 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-14 21:52:57,516 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-14 21:52:57,517 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 443) no Hoare annotation was computed. [2019-10-14 21:52:57,517 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-14 21:52:57,517 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-14 21:52:57,517 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-14 21:52:57,517 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-14 21:52:57,517 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-14 21:52:57,517 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-14 21:52:57,517 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-14 21:52:57,517 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-14 21:52:57,517 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-14 21:52:57,518 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-14 21:52:57,519 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-14 21:52:57,519 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-14 21:52:57,519 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-14 21:52:57,519 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-14 21:52:57,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:52:57,519 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (= ~a17~0 1) (<= 5 ~a16~0) (= ~a20~0 1) (<= ~a7~0 0)) [2019-10-14 21:52:57,519 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 21:52:57,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:52:57,519 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= |old(~a7~0)| 0)) (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (= 1 |old(~a17~0)|))) [2019-10-14 21:52:57,519 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-14 21:52:57,519 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse3 (not (= ~a7~0 1))) (.cse4 (<= 5 ~a16~0)) (.cse2 (= ~a20~0 1)) (.cse9 (<= ~a8~0 14)) (.cse5 (<= ~a16~0 5)) (.cse1 (<= ~a17~0 0)) (.cse6 (= ~a17~0 1)) (.cse7 (<= ~a20~0 0)) (.cse8 (<= ~a7~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4 .cse2) (and .cse0 .cse5 .cse6 .cse7) (and .cse0 .cse5 .cse6 .cse2) (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse7 .cse8) (not (<= |old(~a7~0)| 0)) (and .cse0 .cse6 .cse2 .cse8) (and .cse1 .cse2 .cse8) (and .cse3 .cse5 .cse6 .cse7) (and (and .cse5 .cse1 .cse4 .cse2) .cse9) (and .cse5 .cse6 .cse2 .cse9 .cse8) (not (= 1 |old(~a17~0)|)) (and .cse5 .cse1 .cse7) (not (<= |old(~a16~0)| 5)) (and .cse6 .cse7 .cse8))) [2019-10-14 21:52:57,520 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-14 21:52:57,520 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-14 21:52:57,520 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse3 (not (= ~a7~0 1))) (.cse4 (<= 5 ~a16~0)) (.cse2 (= ~a20~0 1)) (.cse9 (<= ~a8~0 14)) (.cse5 (<= ~a16~0 5)) (.cse1 (<= ~a17~0 0)) (.cse6 (= ~a17~0 1)) (.cse7 (<= ~a20~0 0)) (.cse8 (<= ~a7~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4 .cse2) (and .cse0 .cse5 .cse6 .cse7) (and .cse0 .cse5 .cse6 .cse2) (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse7 .cse8) (not (<= |old(~a7~0)| 0)) (and .cse0 .cse6 .cse2 .cse8) (and .cse1 .cse2 .cse8) (and .cse3 .cse5 .cse6 .cse7) (and (and .cse5 .cse1 .cse4 .cse2) .cse9) (and .cse5 .cse6 .cse2 .cse9 .cse8) (not (= 1 |old(~a17~0)|)) (and .cse5 .cse1 .cse7) (not (<= |old(~a16~0)| 5)) (and .cse6 .cse7 .cse8))) [2019-10-14 21:52:57,520 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-14 21:52:57,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:52:57 BoogieIcfgContainer [2019-10-14 21:52:57,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 21:52:57,550 INFO L168 Benchmark]: Toolchain (without parser) took 20225.87 ms. Allocated memory was 136.8 MB in the beginning and 508.6 MB in the end (delta: 371.7 MB). Free memory was 98.4 MB in the beginning and 370.9 MB in the end (delta: -272.5 MB). Peak memory consumption was 387.7 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:57,553 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 21:52:57,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.89 ms. Allocated memory was 136.8 MB in the beginning and 203.4 MB in the end (delta: 66.6 MB). Free memory was 98.2 MB in the beginning and 167.9 MB in the end (delta: -69.7 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:57,554 INFO L168 Benchmark]: Boogie Preprocessor took 209.71 ms. Allocated memory is still 203.4 MB. Free memory was 167.9 MB in the beginning and 162.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:57,555 INFO L168 Benchmark]: RCFGBuilder took 1447.55 ms. Allocated memory was 203.4 MB in the beginning and 233.3 MB in the end (delta: 29.9 MB). Free memory was 162.9 MB in the beginning and 177.9 MB in the end (delta: -15.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:57,558 INFO L168 Benchmark]: TraceAbstraction took 17822.75 ms. Allocated memory was 233.3 MB in the beginning and 508.6 MB in the end (delta: 275.3 MB). Free memory was 177.9 MB in the beginning and 370.9 MB in the end (delta: -193.0 MB). Peak memory consumption was 370.7 MB. Max. memory is 7.1 GB. [2019-10-14 21:52:57,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.89 ms. Allocated memory was 136.8 MB in the beginning and 203.4 MB in the end (delta: 66.6 MB). Free memory was 98.2 MB in the beginning and 167.9 MB in the end (delta: -69.7 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 209.71 ms. Allocated memory is still 203.4 MB. Free memory was 167.9 MB in the beginning and 162.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1447.55 ms. Allocated memory was 203.4 MB in the beginning and 233.3 MB in the end (delta: 29.9 MB). Free memory was 162.9 MB in the beginning and 177.9 MB in the end (delta: -15.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17822.75 ms. Allocated memory was 233.3 MB in the beginning and 508.6 MB in the end (delta: 275.3 MB). Free memory was 177.9 MB in the beginning and 370.9 MB in the end (delta: -193.0 MB). Peak memory consumption was 370.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 443]: 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: ((((((((((((((((((a8 <= 13 && a17 <= 0) && a20 == 1) || (((!(a7 == 1) && a17 <= 0) && 5 <= a16) && a20 == 1)) || (((a8 <= 13 && a16 <= 5) && a17 == 1) && a20 <= 0)) || (((a8 <= 13 && a16 <= 5) && a17 == 1) && a20 == 1)) || (((((a21 == \old(a21) && a7 == \old(a7)) && a17 == \old(a17)) && a16 == \old(a16)) && a8 == \old(a8)) && a20 == \old(a20))) || !(5 <= \old(a16))) || !(1 == \old(a20))) || ((a17 <= 0 && a20 <= 0) && a7 <= 0)) || !(\old(a7) <= 0)) || (((a8 <= 13 && a17 == 1) && a20 == 1) && a7 <= 0)) || ((a17 <= 0 && a20 == 1) && a7 <= 0)) || (((!(a7 == 1) && a16 <= 5) && a17 == 1) && a20 <= 0)) || ((((a16 <= 5 && a17 <= 0) && 5 <= a16) && a20 == 1) && a8 <= 14)) || ((((a16 <= 5 && a17 == 1) && a20 == 1) && a8 <= 14) && a7 <= 0)) || !(1 == \old(a17))) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || !(\old(a16) <= 5)) || ((a17 == 1 && a20 <= 0) && a7 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 17.7s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, HoareTripleCheckerStatistics: 759 SDtfs, 3765 SDslu, 282 SDs, 0 SdLazy, 5293 SolverSat, 1202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 731 GetRequests, 650 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3692occurred 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: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 635 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 118 PreInvPairs, 180 NumberOfFragments, 956 HoareAnnotationTreeSize, 118 FomulaSimplifications, 40774 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3958 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1575 NumberOfCodeBlocks, 1575 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1562 ConstructedInterpolants, 0 QuantifiedInterpolants, 583246 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1892 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 298/330 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...