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/Problem02_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:54:40,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:54:40,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:54:40,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:54:40,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:54:40,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:54:40,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:54:40,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:54:40,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:54:40,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:54:40,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:54:40,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:54:40,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:54:40,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:54:40,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:54:40,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:54:40,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:54:40,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:54:40,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:54:40,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:54:40,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:54:40,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:54:40,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:54:40,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:54:40,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:54:40,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:54:40,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:54:40,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:54:40,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:54:40,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:54:40,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:54:40,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:54:40,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:54:40,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:54:40,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:54:40,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:54:40,566 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 17:54:40,600 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:54:40,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:54:40,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:54:40,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:54:40,605 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:54:40,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:54:40,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:54:40,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:54:40,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:54:40,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:54:40,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:54:40,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:54:40,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:54:40,607 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:54:40,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:54:40,607 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:54:40,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:54:40,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:54:40,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:54:40,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:54:40,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:54:40,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:54:40,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:54:40,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:54:40,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:54:40,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:54:40,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:54:40,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:54:40,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:54:40,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:54:40,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:54:40,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:54:40,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:54:40,971 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:54:40,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2019-10-13 17:54:41,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce536b66/8ba788e1bf82436ea9b2e1d4c7f32148/FLAG23d6ef2da [2019-10-13 17:54:41,644 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:54:41,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2019-10-13 17:54:41,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce536b66/8ba788e1bf82436ea9b2e1d4c7f32148/FLAG23d6ef2da [2019-10-13 17:54:41,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce536b66/8ba788e1bf82436ea9b2e1d4c7f32148 [2019-10-13 17:54:41,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:54:41,902 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:54:41,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:54:41,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:54:41,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:54:41,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:54:41" (1/1) ... [2019-10-13 17:54:41,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f51de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:41, skipping insertion in model container [2019-10-13 17:54:41,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:54:41" (1/1) ... [2019-10-13 17:54:41,919 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:54:41,978 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:54:42,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:54:42,524 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:54:42,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:54:42,662 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:54:42,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:42 WrapperNode [2019-10-13 17:54:42,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:54:42,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:54:42,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:54:42,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:54:42,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:42" (1/1) ... [2019-10-13 17:54:42,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:42" (1/1) ... [2019-10-13 17:54:42,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:42" (1/1) ... [2019-10-13 17:54:42,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:42" (1/1) ... [2019-10-13 17:54:42,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:42" (1/1) ... [2019-10-13 17:54:42,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:42" (1/1) ... [2019-10-13 17:54:42,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:42" (1/1) ... [2019-10-13 17:54:42,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:54:42,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:54:42,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:54:42,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:54:42,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:42" (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 17:54:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:54:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:54:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:54:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:54:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:54:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:54:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:54:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:54:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:54:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:54:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:54:44,172 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:54:44,173 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:54:44,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:54:44 BoogieIcfgContainer [2019-10-13 17:54:44,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:54:44,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:54:44,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:54:44,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:54:44,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:54:41" (1/3) ... [2019-10-13 17:54:44,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d224f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:54:44, skipping insertion in model container [2019-10-13 17:54:44,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:54:42" (2/3) ... [2019-10-13 17:54:44,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d224f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:54:44, skipping insertion in model container [2019-10-13 17:54:44,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:54:44" (3/3) ... [2019-10-13 17:54:44,194 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2019-10-13 17:54:44,208 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:54:44,218 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:54:44,229 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:54:44,266 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:54:44,267 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:54:44,268 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:54:44,269 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:54:44,269 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:54:44,269 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:54:44,269 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:54:44,270 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:54:44,305 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-10-13 17:54:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-10-13 17:54:44,321 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:44,322 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 17:54:44,325 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:44,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:44,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1033095319, now seen corresponding path program 1 times [2019-10-13 17:54:44,341 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:44,341 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141310706] [2019-10-13 17:54:44,342 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:44,342 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:44,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:45,016 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 17:54:45,017 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141310706] [2019-10-13 17:54:45,018 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:54:45,018 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:54:45,019 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435267239] [2019-10-13 17:54:45,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:54:45,026 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:45,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:54:45,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:54:45,044 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2019-10-13 17:54:47,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:47,342 INFO L93 Difference]: Finished difference Result 797 states and 1393 transitions. [2019-10-13 17:54:47,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 17:54:47,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2019-10-13 17:54:47,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:47,363 INFO L225 Difference]: With dead ends: 797 [2019-10-13 17:54:47,363 INFO L226 Difference]: Without dead ends: 483 [2019-10-13 17:54:47,371 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:47,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2019-10-13 17:54:47,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 323. [2019-10-13 17:54:47,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-10-13 17:54:47,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 470 transitions. [2019-10-13 17:54:47,485 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 470 transitions. Word has length 95 [2019-10-13 17:54:47,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:47,487 INFO L462 AbstractCegarLoop]: Abstraction has 323 states and 470 transitions. [2019-10-13 17:54:47,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:54:47,488 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 470 transitions. [2019-10-13 17:54:47,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 17:54:47,501 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:47,503 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:47,503 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:47,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:47,505 INFO L82 PathProgramCache]: Analyzing trace with hash -377311506, now seen corresponding path program 1 times [2019-10-13 17:54:47,505 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:47,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201181984] [2019-10-13 17:54:47,506 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:47,506 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:47,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:47,762 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201181984] [2019-10-13 17:54:47,762 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751357739] [2019-10-13 17:54:47,762 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 17:54:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:47,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:47,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:47,956 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:47,957 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:54:47,958 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:54:47,958 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447870602] [2019-10-13 17:54:47,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:54:47,962 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:47,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:54:47,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:47,962 INFO L87 Difference]: Start difference. First operand 323 states and 470 transitions. Second operand 3 states. [2019-10-13 17:54:48,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:48,569 INFO L93 Difference]: Finished difference Result 933 states and 1378 transitions. [2019-10-13 17:54:48,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:54:48,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-10-13 17:54:48,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:48,581 INFO L225 Difference]: With dead ends: 933 [2019-10-13 17:54:48,584 INFO L226 Difference]: Without dead ends: 616 [2019-10-13 17:54:48,586 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:48,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2019-10-13 17:54:48,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 615. [2019-10-13 17:54:48,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2019-10-13 17:54:48,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 867 transitions. [2019-10-13 17:54:48,621 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 867 transitions. Word has length 103 [2019-10-13 17:54:48,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:48,622 INFO L462 AbstractCegarLoop]: Abstraction has 615 states and 867 transitions. [2019-10-13 17:54:48,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:54:48,622 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 867 transitions. [2019-10-13 17:54:48,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-13 17:54:48,625 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:48,625 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-13 17:54:48,830 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:48,831 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:48,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:48,832 INFO L82 PathProgramCache]: Analyzing trace with hash 549151607, now seen corresponding path program 1 times [2019-10-13 17:54:48,832 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:48,833 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241478409] [2019-10-13 17:54:48,833 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:48,833 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:48,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:49,094 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 17:54:49,095 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241478409] [2019-10-13 17:54:49,095 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941703325] [2019-10-13 17:54:49,095 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 17:54:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:49,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:49,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:49,276 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:54:49,277 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-13 17:54:49,277 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41560803] [2019-10-13 17:54:49,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:54:49,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:49,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:54:49,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:54:49,281 INFO L87 Difference]: Start difference. First operand 615 states and 867 transitions. Second operand 11 states. [2019-10-13 17:54:51,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:51,050 INFO L93 Difference]: Finished difference Result 1678 states and 2471 transitions. [2019-10-13 17:54:51,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:54:51,053 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2019-10-13 17:54:51,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:51,062 INFO L225 Difference]: With dead ends: 1678 [2019-10-13 17:54:51,062 INFO L226 Difference]: Without dead ends: 1069 [2019-10-13 17:54:51,064 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:54:51,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2019-10-13 17:54:51,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 605. [2019-10-13 17:54:51,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2019-10-13 17:54:51,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 833 transitions. [2019-10-13 17:54:51,133 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 833 transitions. Word has length 113 [2019-10-13 17:54:51,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:51,134 INFO L462 AbstractCegarLoop]: Abstraction has 605 states and 833 transitions. [2019-10-13 17:54:51,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:54:51,134 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 833 transitions. [2019-10-13 17:54:51,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-13 17:54:51,136 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:51,137 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:54:51,337 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:51,337 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:51,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:51,338 INFO L82 PathProgramCache]: Analyzing trace with hash -587723324, now seen corresponding path program 1 times [2019-10-13 17:54:51,338 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:51,339 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767663869] [2019-10-13 17:54:51,339 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:51,339 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:51,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:51,531 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767663869] [2019-10-13 17:54:51,531 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:54:51,532 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:54:51,532 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4560394] [2019-10-13 17:54:51,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:54:51,533 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:51,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:54:51,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:54:51,533 INFO L87 Difference]: Start difference. First operand 605 states and 833 transitions. Second operand 9 states. [2019-10-13 17:54:53,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:53,327 INFO L93 Difference]: Finished difference Result 1981 states and 2852 transitions. [2019-10-13 17:54:53,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 17:54:53,329 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 115 [2019-10-13 17:54:53,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:53,337 INFO L225 Difference]: With dead ends: 1981 [2019-10-13 17:54:53,338 INFO L226 Difference]: Without dead ends: 1382 [2019-10-13 17:54:53,341 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-13 17:54:53,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2019-10-13 17:54:53,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1207. [2019-10-13 17:54:53,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2019-10-13 17:54:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1636 transitions. [2019-10-13 17:54:53,394 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1636 transitions. Word has length 115 [2019-10-13 17:54:53,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:53,395 INFO L462 AbstractCegarLoop]: Abstraction has 1207 states and 1636 transitions. [2019-10-13 17:54:53,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:54:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1636 transitions. [2019-10-13 17:54:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-13 17:54:53,399 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:53,399 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 17:54:53,399 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:53,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:53,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1133854759, now seen corresponding path program 1 times [2019-10-13 17:54:53,400 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:53,400 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885979390] [2019-10-13 17:54:53,400 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:53,401 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:53,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:53,668 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 17:54:53,669 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885979390] [2019-10-13 17:54:53,669 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748300373] [2019-10-13 17:54:53,669 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 17:54:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:53,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:53,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:53,857 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 17:54:53,857 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:54:53,858 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:54:53,858 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987538368] [2019-10-13 17:54:53,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:54:53,859 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:53,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:54:53,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:53,860 INFO L87 Difference]: Start difference. First operand 1207 states and 1636 transitions. Second operand 3 states. [2019-10-13 17:54:54,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:54,328 INFO L93 Difference]: Finished difference Result 2844 states and 3885 transitions. [2019-10-13 17:54:54,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:54:54,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-10-13 17:54:54,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:54,335 INFO L225 Difference]: With dead ends: 2844 [2019-10-13 17:54:54,335 INFO L226 Difference]: Without dead ends: 1201 [2019-10-13 17:54:54,339 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:54:54,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2019-10-13 17:54:54,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1201. [2019-10-13 17:54:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2019-10-13 17:54:54,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1561 transitions. [2019-10-13 17:54:54,377 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1561 transitions. Word has length 121 [2019-10-13 17:54:54,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:54,377 INFO L462 AbstractCegarLoop]: Abstraction has 1201 states and 1561 transitions. [2019-10-13 17:54:54,378 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:54:54,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1561 transitions. [2019-10-13 17:54:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-10-13 17:54:54,381 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:54,381 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-13 17:54:54,587 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:54,588 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:54,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:54,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1118081225, now seen corresponding path program 1 times [2019-10-13 17:54:54,589 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:54,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717069750] [2019-10-13 17:54:54,589 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:54,590 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:54,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:54:54,747 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717069750] [2019-10-13 17:54:54,747 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428873585] [2019-10-13 17:54:54,748 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 17:54:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:54,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:54:54,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:54,930 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:54:54,930 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:54:54,931 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871867111] [2019-10-13 17:54:54,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:54:54,932 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:54,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:54:54,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:54:54,934 INFO L87 Difference]: Start difference. First operand 1201 states and 1561 transitions. Second operand 11 states. [2019-10-13 17:54:58,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:54:58,865 INFO L93 Difference]: Finished difference Result 3770 states and 5160 transitions. [2019-10-13 17:54:58,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 17:54:58,874 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2019-10-13 17:54:58,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:54:58,886 INFO L225 Difference]: With dead ends: 3770 [2019-10-13 17:54:58,886 INFO L226 Difference]: Without dead ends: 1831 [2019-10-13 17:54:58,893 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2019-10-13 17:54:58,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2019-10-13 17:54:58,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1507. [2019-10-13 17:54:58,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1507 states. [2019-10-13 17:54:58,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 1759 transitions. [2019-10-13 17:54:58,985 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 1759 transitions. Word has length 123 [2019-10-13 17:54:58,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:54:58,985 INFO L462 AbstractCegarLoop]: Abstraction has 1507 states and 1759 transitions. [2019-10-13 17:54:58,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:54:58,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1759 transitions. [2019-10-13 17:54:58,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-13 17:54:58,990 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:54:58,991 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:59,195 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:54:59,195 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:54:59,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:54:59,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1143201553, now seen corresponding path program 1 times [2019-10-13 17:54:59,196 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:54:59,197 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079802442] [2019-10-13 17:54:59,197 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:59,198 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:54:59,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:54:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:59,401 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:54:59,401 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079802442] [2019-10-13 17:54:59,402 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156328880] [2019-10-13 17:54:59,402 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 17:54:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:54:59,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-13 17:54:59,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:54:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:54:59,530 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:54:59,530 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2019-10-13 17:54:59,531 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050986071] [2019-10-13 17:54:59,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 17:54:59,532 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:54:59,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 17:54:59,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-13 17:54:59,532 INFO L87 Difference]: Start difference. First operand 1507 states and 1759 transitions. Second operand 8 states. [2019-10-13 17:55:00,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:55:00,829 INFO L93 Difference]: Finished difference Result 3780 states and 4568 transitions. [2019-10-13 17:55:00,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:55:00,829 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2019-10-13 17:55:00,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:55:00,840 INFO L225 Difference]: With dead ends: 3780 [2019-10-13 17:55:00,840 INFO L226 Difference]: Without dead ends: 2279 [2019-10-13 17:55:00,844 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-13 17:55:00,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2019-10-13 17:55:00,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2241. [2019-10-13 17:55:00,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2241 states. [2019-10-13 17:55:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 2567 transitions. [2019-10-13 17:55:00,919 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 2567 transitions. Word has length 162 [2019-10-13 17:55:00,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:55:00,921 INFO L462 AbstractCegarLoop]: Abstraction has 2241 states and 2567 transitions. [2019-10-13 17:55:00,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 17:55:00,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2567 transitions. [2019-10-13 17:55:00,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-13 17:55:00,930 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:55:00,930 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-13 17:55:01,143 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:01,144 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:55:01,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:55:01,145 INFO L82 PathProgramCache]: Analyzing trace with hash 220350546, now seen corresponding path program 1 times [2019-10-13 17:55:01,145 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:55:01,145 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015253460] [2019-10-13 17:55:01,146 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:01,146 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:55:01,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:55:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 139 proven. 3 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-10-13 17:55:01,412 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015253460] [2019-10-13 17:55:01,412 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171654554] [2019-10-13 17:55:01,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:55:01,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 17:55:01,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:55:01,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 17:55:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-13 17:55:01,628 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:55:01,628 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2019-10-13 17:55:01,629 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33032518] [2019-10-13 17:55:01,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:55:01,630 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:55:01,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:55:01,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:55:01,630 INFO L87 Difference]: Start difference. First operand 2241 states and 2567 transitions. Second operand 9 states. [2019-10-13 17:55:03,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:55:03,787 INFO L93 Difference]: Finished difference Result 3612 states and 4197 transitions. [2019-10-13 17:55:03,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 17:55:03,791 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 242 [2019-10-13 17:55:03,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:55:03,792 INFO L225 Difference]: With dead ends: 3612 [2019-10-13 17:55:03,792 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:55:03,800 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2019-10-13 17:55:03,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:55:03,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:55:03,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:55:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:55:03,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 242 [2019-10-13 17:55:03,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:55:03,801 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:55:03,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:55:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:55:03,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:55:04,005 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:55:04,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:55:04,674 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 153 [2019-10-13 17:55:04,835 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 153 [2019-10-13 17:55:05,966 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2019-10-13 17:55:06,693 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 56 [2019-10-13 17:55:07,281 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 56 [2019-10-13 17:55:07,284 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:55:07,284 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~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)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-13 17:55:07,285 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:55:07,285 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,285 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,285 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,285 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,285 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,285 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-13 17:55:07,285 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-13 17:55:07,286 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-10-13 17:55:07,286 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-13 17:55:07,286 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-13 17:55:07,286 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-13 17:55:07,286 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-13 17:55:07,286 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-13 17:55:07,286 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-13 17:55:07,286 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-13 17:55:07,287 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-13 17:55:07,287 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-13 17:55:07,287 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-13 17:55:07,287 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-13 17:55:07,287 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,287 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,287 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,287 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,288 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-13 17:55:07,288 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,288 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-13 17:55:07,288 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-13 17:55:07,288 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-13 17:55:07,288 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-13 17:55:07,288 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-13 17:55:07,288 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-13 17:55:07,289 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-13 17:55:07,289 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-13 17:55:07,289 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-13 17:55:07,289 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-13 17:55:07,289 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-13 17:55:07,289 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-13 17:55:07,289 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-13 17:55:07,289 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-13 17:55:07,289 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-13 17:55:07,289 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,290 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,290 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,290 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,290 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,290 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-13 17:55:07,290 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-13 17:55:07,290 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-13 17:55:07,290 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-13 17:55:07,290 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-13 17:55:07,290 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-13 17:55:07,290 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-13 17:55:07,290 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-13 17:55:07,291 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-13 17:55:07,291 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-13 17:55:07,291 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-13 17:55:07,291 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,291 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,291 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,291 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,291 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,292 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-13 17:55:07,292 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-13 17:55:07,292 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-13 17:55:07,292 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-13 17:55:07,292 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-13 17:55:07,292 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-13 17:55:07,292 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-13 17:55:07,292 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-13 17:55:07,293 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-13 17:55:07,293 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-13 17:55:07,293 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-13 17:55:07,293 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-13 17:55:07,293 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-13 17:55:07,293 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,293 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,293 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,294 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,294 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,294 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-13 17:55:07,294 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-13 17:55:07,294 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-13 17:55:07,294 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-13 17:55:07,294 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 17:55:07,294 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-13 17:55:07,295 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-13 17:55:07,295 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-13 17:55:07,295 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-13 17:55:07,295 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-13 17:55:07,295 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-13 17:55:07,295 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-13 17:55:07,295 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-13 17:55:07,295 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-13 17:55:07,296 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-13 17:55:07,296 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-13 17:55:07,296 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,296 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,296 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,296 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,296 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-13 17:55:07,296 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,296 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-13 17:55:07,297 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,297 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-13 17:55:07,297 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-13 17:55:07,297 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-13 17:55:07,297 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,297 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,297 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-13 17:55:07,298 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-13 17:55:07,298 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-13 17:55:07,298 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-13 17:55:07,298 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-13 17:55:07,298 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-13 17:55:07,298 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-13 17:55:07,298 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-13 17:55:07,298 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-13 17:55:07,298 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-13 17:55:07,299 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-13 17:55:07,299 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,299 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,299 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,299 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,299 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,299 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,299 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-13 17:55:07,300 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-13 17:55:07,300 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-13 17:55:07,300 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-13 17:55:07,300 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-13 17:55:07,300 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-13 17:55:07,300 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-13 17:55:07,300 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-13 17:55:07,300 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-13 17:55:07,300 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-13 17:55:07,301 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-13 17:55:07,301 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,301 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,301 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,301 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,301 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,301 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,301 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-13 17:55:07,302 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-13 17:55:07,302 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-13 17:55:07,302 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-13 17:55:07,302 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-13 17:55:07,302 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-13 17:55:07,302 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-13 17:55:07,302 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-13 17:55:07,302 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-13 17:55:07,303 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-13 17:55:07,303 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-13 17:55:07,303 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-13 17:55:07,303 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-13 17:55:07,303 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-13 17:55:07,303 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,303 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,303 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,304 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse15 (not (<= 9 |old(~a28~0)|))) (.cse7 (not (<= |old(~a17~0)| 8))) (.cse6 (= 1 |old(~a11~0)|)) (.cse11 (= ~a17~0 8)) (.cse0 (= ~a19~0 |old(~a19~0)|)) (.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse13 (= 1 |old(~a25~0)|)) (.cse18 (= ~a11~0 |old(~a11~0)|)) (.cse19 (= ~a17~0 |old(~a17~0)|))) (let ((.cse2 (and .cse18 .cse19 (<= ~a17~0 8))) (.cse5 (not (= 1 |old(~a19~0)|))) (.cse14 (not (<= |old(~a28~0)| 10))) (.cse4 (not .cse13)) (.cse17 (and .cse18 .cse11 .cse0 .cse1 .cse3)) (.cse8 (and .cse6 (= |old(~a11~0)| |old(~a19~0)|))) (.cse16 (not (<= |old(~a25~0)| 0))) (.cse9 (not (= 8 |old(~a17~0)|))) (.cse20 (or .cse15 .cse7)) (.cse10 (not .cse6)) (.cse12 (= ~a11~0 1))) (and (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a17~0)| 7))) (or .cse4 .cse5 (or .cse6 .cse7) (and .cse2 .cse0 .cse1 .cse3)) (or .cse8 .cse9 .cse10 (and .cse11 .cse0 .cse1 .cse12 .cse3) .cse13) (or .cse14 .cse5 .cse15 .cse16 .cse9 .cse17) (or .cse14 (and .cse18 .cse19 .cse0 .cse1 .cse3) .cse4 .cse20) (or .cse17 (or (not (<= |old(~a28~0)| 9)) .cse8 .cse16 .cse9)) (or .cse20 .cse10 (and .cse19 .cse0 .cse1 .cse12 .cse3))))) [2019-10-13 17:55:07,304 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,304 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,304 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,304 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-13 17:55:07,304 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-13 17:55:07,305 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-13 17:55:07,305 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-13 17:55:07,305 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-13 17:55:07,305 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-13 17:55:07,305 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-13 17:55:07,305 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-13 17:55:07,305 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-13 17:55:07,305 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-13 17:55:07,305 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-13 17:55:07,306 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-13 17:55:07,306 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-13 17:55:07,306 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,306 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,306 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,306 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,306 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,306 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,306 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-13 17:55:07,307 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-13 17:55:07,307 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-13 17:55:07,307 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-13 17:55:07,307 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-13 17:55:07,307 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-13 17:55:07,307 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-13 17:55:07,307 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-13 17:55:07,307 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-13 17:55:07,307 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-13 17:55:07,308 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-13 17:55:07,308 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-13 17:55:07,308 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-13 17:55:07,308 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-13 17:55:07,308 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-13 17:55:07,308 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-13 17:55:07,308 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,308 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,309 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,309 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,309 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-13 17:55:07,309 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-13 17:55:07,309 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-13 17:55:07,309 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-13 17:55:07,309 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-13 17:55:07,309 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-13 17:55:07,309 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-13 17:55:07,310 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-13 17:55:07,310 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 17:55:07,310 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-13 17:55:07,310 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-13 17:55:07,310 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-13 17:55:07,310 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-13 17:55:07,310 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-13 17:55:07,310 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-13 17:55:07,310 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-13 17:55:07,311 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-13 17:55:07,311 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-13 17:55:07,311 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-13 17:55:07,311 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-13 17:55:07,311 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:55:07,311 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (= ~a19~0 1) (not (= ~a19~0 ~a11~0)) (<= ~a25~0 0) (<= ~a28~0 9)) [2019-10-13 17:55:07,311 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:55:07,311 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:55:07,312 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 9)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (= |old(~a11~0)| |old(~a19~0)|) (not (<= |old(~a25~0)| 0)) (not (= 8 |old(~a17~0)|))) [2019-10-13 17:55:07,312 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= ~a17~0 8)) (.cse5 (= ~a11~0 1)) (.cse2 (<= ~a17~0 8))) (let ((.cse4 (and (<= 9 ~a28~0) .cse2)) (.cse0 (= ~a25~0 1)) (.cse3 (<= ~a28~0 10)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse6 (and .cse7 (or (not (= ~a19~0 ~a11~0)) (not .cse5)))) (.cse8 (<= ~a25~0 0))) (or (and .cse0 (and (and .cse1 .cse2) (= ~a19~0 1))) (and .cse1 .cse3 .cse4 .cse0) (= |old(~a11~0)| |old(~a19~0)|) (and .cse4 .cse5) (<= ~a17~0 7) (not (<= |old(~a25~0)| 0)) (and (not .cse0) .cse6 .cse5) (and (and .cse1 (and .cse7 .cse8) (= ~a19~0 |old(~a19~0)|)) .cse3) (not (<= |old(~a28~0)| 9)) (not (= 1 |old(~a19~0)|)) (and .cse1 (<= ~a28~0 9) (and .cse6 .cse8)) (not (= 8 |old(~a17~0)|))))) [2019-10-13 17:55:07,312 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-13 17:55:07,312 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-13 17:55:07,312 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= ~a17~0 8)) (.cse5 (= ~a11~0 1)) (.cse2 (<= ~a17~0 8))) (let ((.cse4 (and (<= 9 ~a28~0) .cse2)) (.cse0 (= ~a25~0 1)) (.cse3 (<= ~a28~0 10)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse6 (and .cse7 (or (not (= ~a19~0 ~a11~0)) (not .cse5)))) (.cse8 (<= ~a25~0 0))) (or (and .cse0 (and (and .cse1 .cse2) (= ~a19~0 1))) (and .cse1 .cse3 .cse4 .cse0) (= |old(~a11~0)| |old(~a19~0)|) (and .cse4 .cse5) (<= ~a17~0 7) (not (<= |old(~a25~0)| 0)) (and (not .cse0) .cse6 .cse5) (and (and .cse1 (and .cse7 .cse8) (= ~a19~0 |old(~a19~0)|)) .cse3) (not (<= |old(~a28~0)| 9)) (not (= 1 |old(~a19~0)|)) (and .cse1 (<= ~a28~0 9) (and .cse6 .cse8)) (not (= 8 |old(~a17~0)|))))) [2019-10-13 17:55:07,313 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-13 17:55:07,313 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-13 17:55:07,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:55:07 BoogieIcfgContainer [2019-10-13 17:55:07,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:55:07,334 INFO L168 Benchmark]: Toolchain (without parser) took 25431.95 ms. Allocated memory was 145.2 MB in the beginning and 542.1 MB in the end (delta: 396.9 MB). Free memory was 101.8 MB in the beginning and 363.3 MB in the end (delta: -261.5 MB). Peak memory consumption was 376.2 MB. Max. memory is 7.1 GB. [2019-10-13 17:55:07,335 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 145.2 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 17:55:07,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.45 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 101.6 MB in the beginning and 168.3 MB in the end (delta: -66.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-10-13 17:55:07,337 INFO L168 Benchmark]: Boogie Preprocessor took 137.48 ms. Allocated memory is still 203.9 MB. Free memory was 168.3 MB in the beginning and 163.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-13 17:55:07,338 INFO L168 Benchmark]: RCFGBuilder took 1374.72 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 163.3 MB in the beginning and 178.7 MB in the end (delta: -15.5 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2019-10-13 17:55:07,339 INFO L168 Benchmark]: TraceAbstraction took 23154.39 ms. Allocated memory was 237.0 MB in the beginning and 542.1 MB in the end (delta: 305.1 MB). Free memory was 178.7 MB in the beginning and 363.3 MB in the end (delta: -184.5 MB). Peak memory consumption was 361.3 MB. Max. memory is 7.1 GB. [2019-10-13 17:55:07,343 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 145.2 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.45 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 101.6 MB in the beginning and 168.3 MB in the end (delta: -66.7 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.48 ms. Allocated memory is still 203.9 MB. Free memory was 168.3 MB in the beginning and 163.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1374.72 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 163.3 MB in the beginning and 178.7 MB in the end (delta: -15.5 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23154.39 ms. Allocated memory was 237.0 MB in the beginning and 542.1 MB in the end (delta: 305.1 MB). Free memory was 178.7 MB in the beginning and 363.3 MB in the end (delta: -184.5 MB). Peak memory consumption was 361.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((a25 == 1 && (a11 == \old(a11) && a17 <= 8) && a19 == 1) || (((a11 == \old(a11) && a28 <= 10) && 9 <= a28 && a17 <= 8) && a25 == 1)) || \old(a11) == \old(a19)) || ((9 <= a28 && a17 <= 8) && a11 == 1)) || a17 <= 7) || !(\old(a25) <= 0)) || ((!(a25 == 1) && a17 == 8 && (!(a19 == a11) || !(a11 == 1))) && a11 == 1)) || (((a11 == \old(a11) && a17 == 8 && a25 <= 0) && a19 == \old(a19)) && a28 <= 10)) || !(\old(a28) <= 9)) || !(1 == \old(a19))) || ((a11 == \old(a11) && a28 <= 9) && (a17 == 8 && (!(a19 == a11) || !(a11 == 1))) && a25 <= 0)) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 23.0s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, HoareTripleCheckerStatistics: 746 SDtfs, 4912 SDslu, 487 SDs, 0 SdLazy, 8597 SolverSat, 1611 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1019 GetRequests, 917 SyntacticMatches, 5 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2241occurred 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: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1162 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 82 PreInvPairs, 132 NumberOfFragments, 600 HoareAnnotationTreeSize, 82 FomulaSimplifications, 85628 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 26255 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1938 NumberOfCodeBlocks, 1938 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1924 ConstructedInterpolants, 0 QuantifiedInterpolants, 870768 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2329 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 812/831 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...