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-f4eb214f-m [2019-10-13 17:53:36,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:53:36,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:53:37,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:53:37,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:53:37,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:53:37,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:53:37,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:53:37,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:53:37,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:53:37,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:53:37,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:53:37,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:53:37,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:53:37,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:53:37,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:53:37,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:53:37,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:53:37,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:53:37,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:53:37,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:53:37,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:53:37,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:53:37,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:53:37,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:53:37,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:53:37,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:53:37,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:53:37,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:53:37,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:53:37,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:53:37,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:53:37,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:53:37,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:53:37,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:53:37,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:53:37,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 17:53:37,064 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:53:37,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:53:37,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:53:37,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:53:37,066 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:53:37,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:53:37,066 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:53:37,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:53:37,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:53:37,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:53:37,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:53:37,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:53:37,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:53:37,067 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:53:37,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:53:37,068 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:53:37,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:53:37,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:53:37,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:53:37,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:53:37,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:53:37,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:53:37,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:53:37,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:53:37,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:53:37,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:53:37,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:53:37,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:53:37,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:53:37,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:53:37,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:53:37,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:53:37,375 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:53:37,375 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:53:37,376 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label59.c [2019-10-13 17:53:37,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d1108a9f/7b89b20d9633481c85d7c015f8f24520/FLAG645996e0e [2019-10-13 17:53:38,102 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:53:38,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label59.c [2019-10-13 17:53:38,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d1108a9f/7b89b20d9633481c85d7c015f8f24520/FLAG645996e0e [2019-10-13 17:53:38,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d1108a9f/7b89b20d9633481c85d7c015f8f24520 [2019-10-13 17:53:38,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:53:38,350 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:53:38,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:53:38,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:53:38,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:53:38,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:53:38" (1/1) ... [2019-10-13 17:53:38,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6332a30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:38, skipping insertion in model container [2019-10-13 17:53:38,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:53:38" (1/1) ... [2019-10-13 17:53:38,373 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:53:38,434 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:53:39,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:53:39,015 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:53:39,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:53:39,168 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:53:39,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:39 WrapperNode [2019-10-13 17:53:39,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:53:39,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:53:39,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:53:39,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:53:39,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:39" (1/1) ... [2019-10-13 17:53:39,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:39" (1/1) ... [2019-10-13 17:53:39,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:39" (1/1) ... [2019-10-13 17:53:39,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:39" (1/1) ... [2019-10-13 17:53:39,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:39" (1/1) ... [2019-10-13 17:53:39,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:39" (1/1) ... [2019-10-13 17:53:39,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:39" (1/1) ... [2019-10-13 17:53:39,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:53:39,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:53:39,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:53:39,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:53:39,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:53:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:53:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:53:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:53:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:53:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:53:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:53:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:53:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:53:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:53:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:53:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:53:40,544 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:53:40,544 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:53:40,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:53:40 BoogieIcfgContainer [2019-10-13 17:53:40,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:53:40,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:53:40,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:53:40,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:53:40,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:53:38" (1/3) ... [2019-10-13 17:53:40,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8a5e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:53:40, skipping insertion in model container [2019-10-13 17:53:40,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:53:39" (2/3) ... [2019-10-13 17:53:40,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8a5e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:53:40, skipping insertion in model container [2019-10-13 17:53:40,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:53:40" (3/3) ... [2019-10-13 17:53:40,556 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label59.c [2019-10-13 17:53:40,566 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:53:40,575 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:53:40,588 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:53:40,616 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:53:40,617 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:53:40,617 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:53:40,617 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:53:40,617 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:53:40,617 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:53:40,618 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:53:40,618 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:53:40,660 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-10-13 17:53:40,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-10-13 17:53:40,675 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:40,676 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] [2019-10-13 17:53:40,678 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:40,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:40,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1907034097, now seen corresponding path program 1 times [2019-10-13 17:53:40,694 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:40,694 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513674107] [2019-10-13 17:53:40,695 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:40,695 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:40,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:41,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:41,321 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513674107] [2019-10-13 17:53:41,322 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:53:41,323 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:53:41,324 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949273095] [2019-10-13 17:53:41,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:53:41,333 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:41,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:53:41,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:53:41,355 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-10-13 17:53:42,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:42,889 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-10-13 17:53:42,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 17:53:42,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2019-10-13 17:53:42,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:42,907 INFO L225 Difference]: With dead ends: 557 [2019-10-13 17:53:42,907 INFO L226 Difference]: Without dead ends: 286 [2019-10-13 17:53:42,915 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:53:42,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-13 17:53:43,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-10-13 17:53:43,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-13 17:53:43,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2019-10-13 17:53:43,020 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 95 [2019-10-13 17:53:43,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:43,021 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2019-10-13 17:53:43,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:53:43,021 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2019-10-13 17:53:43,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-10-13 17:53:43,027 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:43,027 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] [2019-10-13 17:53:43,028 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:43,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:43,028 INFO L82 PathProgramCache]: Analyzing trace with hash -2120846440, now seen corresponding path program 1 times [2019-10-13 17:53:43,029 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:43,029 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327982458] [2019-10-13 17:53:43,029 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:43,029 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:43,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:43,237 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327982458] [2019-10-13 17:53:43,237 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:53:43,238 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:53:43,238 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163289920] [2019-10-13 17:53:43,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:53:43,243 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:43,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:53:43,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:53:43,244 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2019-10-13 17:53:44,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:44,726 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2019-10-13 17:53:44,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 17:53:44,727 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2019-10-13 17:53:44,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:44,732 INFO L225 Difference]: With dead ends: 713 [2019-10-13 17:53:44,732 INFO L226 Difference]: Without dead ends: 439 [2019-10-13 17:53:44,734 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:53:44,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-13 17:53:44,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2019-10-13 17:53:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-13 17:53:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2019-10-13 17:53:44,790 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 105 [2019-10-13 17:53:44,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:44,791 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2019-10-13 17:53:44,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:53:44,791 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2019-10-13 17:53:44,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-10-13 17:53:44,795 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:44,795 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] [2019-10-13 17:53:44,796 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:44,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:44,796 INFO L82 PathProgramCache]: Analyzing trace with hash -588378602, now seen corresponding path program 1 times [2019-10-13 17:53:44,796 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:44,797 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060308361] [2019-10-13 17:53:44,797 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:44,797 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:44,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:45,194 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060308361] [2019-10-13 17:53:45,194 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137968747] [2019-10-13 17:53:45,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:45,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:53:45,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:45,363 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:45,364 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:53:45,364 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2019-10-13 17:53:45,364 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22489676] [2019-10-13 17:53:45,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:53:45,365 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:45,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:53:45,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 17:53:45,366 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2019-10-13 17:53:45,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:45,872 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2019-10-13 17:53:45,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:53:45,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2019-10-13 17:53:45,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:45,879 INFO L225 Difference]: With dead ends: 1247 [2019-10-13 17:53:45,879 INFO L226 Difference]: Without dead ends: 832 [2019-10-13 17:53:45,881 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 17:53:45,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2019-10-13 17:53:45,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2019-10-13 17:53:45,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2019-10-13 17:53:45,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2019-10-13 17:53:45,920 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 106 [2019-10-13 17:53:45,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:45,922 INFO L462 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2019-10-13 17:53:45,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:53:45,922 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2019-10-13 17:53:45,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 17:53:45,930 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:45,931 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] [2019-10-13 17:53:46,135 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:46,136 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:46,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:46,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1270890910, now seen corresponding path program 1 times [2019-10-13 17:53:46,137 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:46,138 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129865448] [2019-10-13 17:53:46,138 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:46,138 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:46,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:46,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129865448] [2019-10-13 17:53:46,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648405478] [2019-10-13 17:53:46,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:46,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:53:46,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:46,521 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:46,522 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:53:46,522 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:53:46,522 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520927616] [2019-10-13 17:53:46,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:53:46,523 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:46,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:53:46,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:53:46,524 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2019-10-13 17:53:47,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:47,091 INFO L93 Difference]: Finished difference Result 2343 states and 3200 transitions. [2019-10-13 17:53:47,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:53:47,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-10-13 17:53:47,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:47,101 INFO L225 Difference]: With dead ends: 2343 [2019-10-13 17:53:47,101 INFO L226 Difference]: Without dead ends: 1517 [2019-10-13 17:53:47,104 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 [2019-10-13 17:53:47,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2019-10-13 17:53:47,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1517. [2019-10-13 17:53:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1517 states. [2019-10-13 17:53:47,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2006 transitions. [2019-10-13 17:53:47,183 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2006 transitions. Word has length 112 [2019-10-13 17:53:47,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:47,186 INFO L462 AbstractCegarLoop]: Abstraction has 1517 states and 2006 transitions. [2019-10-13 17:53:47,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:53:47,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2006 transitions. [2019-10-13 17:53:47,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-13 17:53:47,194 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:47,194 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] [2019-10-13 17:53:47,399 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:47,400 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:47,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:47,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1483997624, now seen corresponding path program 1 times [2019-10-13 17:53:47,400 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:47,401 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118407894] [2019-10-13 17:53:47,401 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:47,401 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:47,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:47,626 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118407894] [2019-10-13 17:53:47,626 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674033479] [2019-10-13 17:53:47,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:47,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-13 17:53:47,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:47,838 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:53:47,838 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2019-10-13 17:53:47,839 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121027168] [2019-10-13 17:53:47,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:53:47,840 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:47,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:53:47,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-13 17:53:47,840 INFO L87 Difference]: Start difference. First operand 1517 states and 2006 transitions. Second operand 5 states. [2019-10-13 17:53:48,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:48,597 INFO L93 Difference]: Finished difference Result 4194 states and 5867 transitions. [2019-10-13 17:53:48,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 17:53:48,598 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2019-10-13 17:53:48,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:48,615 INFO L225 Difference]: With dead ends: 4194 [2019-10-13 17:53:48,615 INFO L226 Difference]: Without dead ends: 2683 [2019-10-13 17:53:48,620 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 [2019-10-13 17:53:48,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2019-10-13 17:53:48,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2647. [2019-10-13 17:53:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2647 states. [2019-10-13 17:53:48,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3559 transitions. [2019-10-13 17:53:48,723 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3559 transitions. Word has length 121 [2019-10-13 17:53:48,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:48,724 INFO L462 AbstractCegarLoop]: Abstraction has 2647 states and 3559 transitions. [2019-10-13 17:53:48,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:53:48,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3559 transitions. [2019-10-13 17:53:48,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-13 17:53:48,732 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:48,732 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] [2019-10-13 17:53:48,935 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:48,939 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:48,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:48,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1499758397, now seen corresponding path program 1 times [2019-10-13 17:53:48,940 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:48,940 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297780040] [2019-10-13 17:53:48,940 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:48,940 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:48,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:49,170 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:53:49,170 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297780040] [2019-10-13 17:53:49,170 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529857374] [2019-10-13 17:53:49,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:49,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 17:53:49,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:49,338 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 17:53:49,339 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:53:49,339 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-10-13 17:53:49,340 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711549431] [2019-10-13 17:53:49,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 17:53:49,341 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:49,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 17:53:49,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-13 17:53:49,342 INFO L87 Difference]: Start difference. First operand 2647 states and 3559 transitions. Second operand 10 states. [2019-10-13 17:53:51,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:51,739 INFO L93 Difference]: Finished difference Result 5200 states and 7711 transitions. [2019-10-13 17:53:51,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-13 17:53:51,740 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2019-10-13 17:53:51,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:51,761 INFO L225 Difference]: With dead ends: 5200 [2019-10-13 17:53:51,761 INFO L226 Difference]: Without dead ends: 2694 [2019-10-13 17:53:51,774 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2019-10-13 17:53:51,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2019-10-13 17:53:51,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2294. [2019-10-13 17:53:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2294 states. [2019-10-13 17:53:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 2294 states and 2866 transitions. [2019-10-13 17:53:51,899 INFO L78 Accepts]: Start accepts. Automaton has 2294 states and 2866 transitions. Word has length 129 [2019-10-13 17:53:51,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:51,899 INFO L462 AbstractCegarLoop]: Abstraction has 2294 states and 2866 transitions. [2019-10-13 17:53:51,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 17:53:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2866 transitions. [2019-10-13 17:53:51,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-13 17:53:51,906 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:51,907 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] [2019-10-13 17:53:52,110 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:52,111 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:52,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:52,111 INFO L82 PathProgramCache]: Analyzing trace with hash 19681692, now seen corresponding path program 1 times [2019-10-13 17:53:52,112 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:52,112 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804022519] [2019-10-13 17:53:52,113 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:52,113 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:52,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:52,325 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:53:52,325 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804022519] [2019-10-13 17:53:52,326 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:53:52,327 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:53:52,327 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024352365] [2019-10-13 17:53:52,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:53:52,329 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:52,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:53:52,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:53:52,331 INFO L87 Difference]: Start difference. First operand 2294 states and 2866 transitions. Second operand 9 states. [2019-10-13 17:53:54,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:54,068 INFO L93 Difference]: Finished difference Result 6020 states and 7727 transitions. [2019-10-13 17:53:54,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 17:53:54,068 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 139 [2019-10-13 17:53:54,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:54,090 INFO L225 Difference]: With dead ends: 6020 [2019-10-13 17:53:54,091 INFO L226 Difference]: Without dead ends: 3867 [2019-10-13 17:53:54,100 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 [2019-10-13 17:53:54,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2019-10-13 17:53:54,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3692. [2019-10-13 17:53:54,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3692 states. [2019-10-13 17:53:54,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 4346 transitions. [2019-10-13 17:53:54,239 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 4346 transitions. Word has length 139 [2019-10-13 17:53:54,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:54,240 INFO L462 AbstractCegarLoop]: Abstraction has 3692 states and 4346 transitions. [2019-10-13 17:53:54,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:53:54,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 4346 transitions. [2019-10-13 17:53:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-13 17:53:54,249 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:53:54,250 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] [2019-10-13 17:53:54,250 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:53:54,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:53:54,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1721648861, now seen corresponding path program 1 times [2019-10-13 17:53:54,251 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:53:54,251 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128620368] [2019-10-13 17:53:54,251 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:54,251 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:53:54,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:53:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:53:54,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128620368] [2019-10-13 17:53:54,457 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833306403] [2019-10-13 17:53:54,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:53:54,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:53:54,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:53:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-13 17:53:54,586 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:53:54,586 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-10-13 17:53:54,586 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978020949] [2019-10-13 17:53:54,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:53:54,587 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:53:54,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:53:54,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:53:54,590 INFO L87 Difference]: Start difference. First operand 3692 states and 4346 transitions. Second operand 3 states. [2019-10-13 17:53:55,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:53:55,118 INFO L93 Difference]: Finished difference Result 7916 states and 9394 transitions. [2019-10-13 17:53:55,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:53:55,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-13 17:53:55,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:53:55,123 INFO L225 Difference]: With dead ends: 7916 [2019-10-13 17:53:55,123 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:53:55,137 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:53:55,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:53:55,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:53:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:53:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:53:55,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2019-10-13 17:53:55,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:53:55,139 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:53:55,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:53:55,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:53:55,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:53:55,342 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:53:55,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:53:55,710 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 129 [2019-10-13 17:53:55,857 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 129 [2019-10-13 17:53:57,156 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 154 DAG size of output: 61 [2019-10-13 17:53:57,634 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 59 [2019-10-13 17:53:58,033 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 59 [2019-10-13 17:53:58,035 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:53:58,036 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-13 17:53:58,036 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:53:58,036 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-13 17:53:58,036 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-13 17:53:58,036 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,036 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,036 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,037 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,037 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,037 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,037 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-13 17:53:58,037 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-13 17:53:58,037 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-13 17:53:58,037 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-13 17:53:58,037 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-13 17:53:58,037 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-13 17:53:58,038 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-13 17:53:58,038 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-13 17:53:58,038 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-13 17:53:58,038 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-13 17:53:58,038 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,038 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,038 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,038 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,039 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,039 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,039 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-13 17:53:58,039 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-13 17:53:58,039 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-13 17:53:58,039 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-13 17:53:58,039 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-13 17:53:58,039 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-13 17:53:58,040 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-13 17:53:58,040 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-13 17:53:58,040 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-13 17:53:58,040 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-13 17:53:58,040 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-13 17:53:58,040 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-13 17:53:58,040 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-13 17:53:58,040 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-13 17:53:58,041 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-13 17:53:58,041 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,041 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,041 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,041 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,041 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,041 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-13 17:53:58,041 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-13 17:53:58,041 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-13 17:53:58,042 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-13 17:53:58,042 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-13 17:53:58,042 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-13 17:53:58,042 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-13 17:53:58,042 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-13 17:53:58,042 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-13 17:53:58,042 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,042 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,042 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,042 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-13 17:53:58,043 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-13 17:53:58,044 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-13 17:53:58,045 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-13 17:53:58,045 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-13 17:53:58,045 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,045 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,045 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,045 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,045 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,045 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,045 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-13 17:53:58,046 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,046 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-13 17:53:58,046 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-13 17:53:58,046 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-13 17:53:58,046 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-13 17:53:58,046 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-13 17:53:58,046 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-13 17:53:58,046 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-13 17:53:58,046 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-13 17:53:58,046 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-13 17:53:58,047 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-13 17:53:58,047 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-13 17:53:58,047 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-13 17:53:58,047 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-13 17:53:58,047 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,047 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,047 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,047 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,047 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,047 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-13 17:53:58,047 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-13 17:53:58,047 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-13 17:53:58,048 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-13 17:53:58,048 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-13 17:53:58,048 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-13 17:53:58,048 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-13 17:53:58,048 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-13 17:53:58,048 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,048 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,048 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,048 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,048 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,049 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-13 17:53:58,049 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-13 17:53:58,049 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-13 17:53:58,049 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-13 17:53:58,049 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-13 17:53:58,049 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-13 17:53:58,049 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-13 17:53:58,049 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-13 17:53:58,049 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-13 17:53:58,049 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-13 17:53:58,050 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))))) [2019-10-13 17:53:58,050 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-13 17:53:58,050 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,050 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,050 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,050 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-13 17:53:58,051 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-13 17:53:58,052 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-13 17:53:58,052 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-13 17:53:58,052 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,052 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,052 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,052 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,052 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,052 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-13 17:53:58,052 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,052 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-13 17:53:58,052 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-13 17:53:58,053 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-13 17:53:58,053 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-13 17:53:58,053 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 17:53:58,053 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-13 17:53:58,053 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-13 17:53:58,053 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-13 17:53:58,053 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-13 17:53:58,053 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-13 17:53:58,053 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-13 17:53:58,053 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-13 17:53:58,053 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-13 17:53:58,053 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-13 17:53:58,054 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 443) no Hoare annotation was computed. [2019-10-13 17:53:58,054 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,054 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,054 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,054 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,054 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,054 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-13 17:53:58,054 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-13 17:53:58,055 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-13 17:53:58,055 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-13 17:53:58,055 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-13 17:53:58,055 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-13 17:53:58,055 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-13 17:53:58,055 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-13 17:53:58,055 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-13 17:53:58,055 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-13 17:53:58,055 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-13 17:53:58,055 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:53:58,056 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)) [2019-10-13 17:53:58,056 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:53:58,056 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:53:58,056 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)|))) [2019-10-13 17:53:58,056 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-10-13 17:53:58,056 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))) [2019-10-13 17:53:58,056 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-10-13 17:53:58,056 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-13 17:53:58,056 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))) [2019-10-13 17:53:58,057 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-10-13 17:53:58,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:53:58 BoogieIcfgContainer [2019-10-13 17:53:58,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:53:58,091 INFO L168 Benchmark]: Toolchain (without parser) took 19740.52 ms. Allocated memory was 136.8 MB in the beginning and 497.5 MB in the end (delta: 360.7 MB). Free memory was 100.1 MB in the beginning and 325.0 MB in the end (delta: -224.9 MB). Peak memory consumption was 378.2 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:58,097 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:53:58,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.42 ms. Allocated memory was 136.8 MB in the beginning and 203.9 MB in the end (delta: 67.1 MB). Free memory was 99.9 MB in the beginning and 169.8 MB in the end (delta: -69.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:58,100 INFO L168 Benchmark]: Boogie Preprocessor took 127.56 ms. Allocated memory is still 203.9 MB. Free memory was 169.8 MB in the beginning and 164.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:58,101 INFO L168 Benchmark]: RCFGBuilder took 1249.31 ms. Allocated memory was 203.9 MB in the beginning and 233.3 MB in the end (delta: 29.4 MB). Free memory was 164.8 MB in the beginning and 179.1 MB in the end (delta: -14.3 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:58,102 INFO L168 Benchmark]: TraceAbstraction took 17539.91 ms. Allocated memory was 233.3 MB in the beginning and 497.5 MB in the end (delta: 264.2 MB). Free memory was 179.1 MB in the beginning and 325.0 MB in the end (delta: -145.9 MB). Peak memory consumption was 360.6 MB. Max. memory is 7.1 GB. [2019-10-13 17:53:58,114 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 815.42 ms. Allocated memory was 136.8 MB in the beginning and 203.9 MB in the end (delta: 67.1 MB). Free memory was 99.9 MB in the beginning and 169.8 MB in the end (delta: -69.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.56 ms. Allocated memory is still 203.9 MB. Free memory was 169.8 MB in the beginning and 164.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1249.31 ms. Allocated memory was 203.9 MB in the beginning and 233.3 MB in the end (delta: 29.4 MB). Free memory was 164.8 MB in the beginning and 179.1 MB in the end (delta: -14.3 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17539.91 ms. Allocated memory was 233.3 MB in the beginning and 497.5 MB in the end (delta: 264.2 MB). Free memory was 179.1 MB in the beginning and 325.0 MB in the end (delta: -145.9 MB). Peak memory consumption was 360.6 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: 17.4s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, HoareTripleCheckerStatistics: 759 SDtfs, 3765 SDslu, 282 SDs, 0 SdLazy, 5293 SolverSat, 1202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 731 GetRequests, 650 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.5s 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, 2.1s 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...