/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 19:06:03,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:06:03,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:06:03,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 19:06:03,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 19:06:03,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 19:06:03,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 19:06:03,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 19:06:03,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 19:06:03,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 19:06:03,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 19:06:03,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 19:06:03,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:06:03,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:06:03,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:06:03,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:06:03,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:06:03,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:06:03,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:06:03,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:06:03,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:06:03,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:06:03,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:06:03,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:06:03,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 19:06:03,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 19:06:03,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 19:06:03,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 19:06:03,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 19:06:03,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 19:06:03,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 19:06:03,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 19:06:03,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 19:06:03,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 19:06:03,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 19:06:03,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 19:06:03,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 19:06:03,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 19:06:03,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:06:03,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:06:03,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:06:03,413 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 [2019-11-06 19:06:03,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:06:03,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:06:03,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:06:03,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:06:03,430 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:06:03,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:06:03,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:06:03,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:06:03,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:06:03,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:06:03,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:06:03,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:06:03,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:06:03,432 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:06:03,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:06:03,432 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:06:03,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:06:03,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:06:03,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:06:03,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:06:03,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:06:03,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:06:03,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:06:03,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:06:03,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:06:03,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:06:03,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:06:03,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:06:03,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:06:03,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:06:03,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:06:03,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:06:03,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:06:03,763 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:06:03,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label34.c [2019-11-06 19:06:03,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c23d403b/88dadbf7f5a448d79acc7fef8b760edf/FLAG2d66ff07c [2019-11-06 19:06:04,423 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:06:04,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label34.c [2019-11-06 19:06:04,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c23d403b/88dadbf7f5a448d79acc7fef8b760edf/FLAG2d66ff07c [2019-11-06 19:06:04,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c23d403b/88dadbf7f5a448d79acc7fef8b760edf [2019-11-06 19:06:04,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:06:04,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:06:04,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:06:04,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:06:04,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:06:04,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:06:04" (1/1) ... [2019-11-06 19:06:04,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175e7e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:04, skipping insertion in model container [2019-11-06 19:06:04,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:06:04" (1/1) ... [2019-11-06 19:06:04,726 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:06:04,779 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:06:05,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:06:05,262 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:06:05,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:06:05,420 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:06:05,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:05 WrapperNode [2019-11-06 19:06:05,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:06:05,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:06:05,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:06:05,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:06:05,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:05" (1/1) ... [2019-11-06 19:06:05,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:05" (1/1) ... [2019-11-06 19:06:05,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:05" (1/1) ... [2019-11-06 19:06:05,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:05" (1/1) ... [2019-11-06 19:06:05,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:05" (1/1) ... [2019-11-06 19:06:05,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:05" (1/1) ... [2019-11-06 19:06:05,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:05" (1/1) ... [2019-11-06 19:06:05,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:06:05,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:06:05,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:06:05,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:06:05,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:05" (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 [2019-11-06 19:06:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:06:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:06:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 19:06:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:06:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 19:06:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:06:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:06:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 19:06:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:06:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:06:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:06:07,057 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:06:07,058 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 19:06:07,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:06:07 BoogieIcfgContainer [2019-11-06 19:06:07,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:06:07,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:06:07,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:06:07,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:06:07,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:06:04" (1/3) ... [2019-11-06 19:06:07,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79141923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:06:07, skipping insertion in model container [2019-11-06 19:06:07,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:06:05" (2/3) ... [2019-11-06 19:06:07,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79141923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:06:07, skipping insertion in model container [2019-11-06 19:06:07,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:06:07" (3/3) ... [2019-11-06 19:06:07,078 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label34.c [2019-11-06 19:06:07,089 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:06:07,098 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:06:07,110 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:06:07,155 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:06:07,155 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:06:07,155 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:06:07,156 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:06:07,156 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:06:07,156 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:06:07,156 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:06:07,157 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:06:07,180 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-11-06 19:06:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-06 19:06:07,190 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:07,191 INFO L410 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] [2019-11-06 19:06:07,192 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:07,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:07,197 INFO L82 PathProgramCache]: Analyzing trace with hash -864026194, now seen corresponding path program 1 times [2019-11-06 19:06:07,203 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:07,204 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085551635] [2019-11-06 19:06:07,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:07,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:07,665 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085551635] [2019-11-06 19:06:07,666 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:06:07,666 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 19:06:07,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769607951] [2019-11-06 19:06:07,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:06:07,677 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:07,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:06:07,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:06:07,695 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-11-06 19:06:09,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:09,815 INFO L93 Difference]: Finished difference Result 745 states and 1315 transitions. [2019-11-06 19:06:09,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:06:09,817 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-11-06 19:06:09,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:09,835 INFO L225 Difference]: With dead ends: 745 [2019-11-06 19:06:09,835 INFO L226 Difference]: Without dead ends: 447 [2019-11-06 19:06:09,844 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:06:09,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-11-06 19:06:09,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2019-11-06 19:06:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-11-06 19:06:09,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 640 transitions. [2019-11-06 19:06:09,926 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 640 transitions. Word has length 69 [2019-11-06 19:06:09,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:09,927 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 640 transitions. [2019-11-06 19:06:09,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:06:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 640 transitions. [2019-11-06 19:06:09,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-06 19:06:09,935 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:09,936 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:09,936 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:09,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:09,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1649198670, now seen corresponding path program 1 times [2019-11-06 19:06:09,937 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:09,937 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229888147] [2019-11-06 19:06:09,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:10,313 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229888147] [2019-11-06 19:06:10,313 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:06:10,313 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 19:06:10,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471429063] [2019-11-06 19:06:10,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 19:06:10,319 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:10,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 19:06:10,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 19:06:10,320 INFO L87 Difference]: Start difference. First operand 443 states and 640 transitions. Second operand 9 states. [2019-11-06 19:06:12,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:12,505 INFO L93 Difference]: Finished difference Result 1786 states and 2735 transitions. [2019-11-06 19:06:12,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-06 19:06:12,507 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 143 [2019-11-06 19:06:12,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:12,520 INFO L225 Difference]: With dead ends: 1786 [2019-11-06 19:06:12,521 INFO L226 Difference]: Without dead ends: 1349 [2019-11-06 19:06:12,523 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2019-11-06 19:06:12,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2019-11-06 19:06:12,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1186. [2019-11-06 19:06:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2019-11-06 19:06:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1681 transitions. [2019-11-06 19:06:12,601 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1681 transitions. Word has length 143 [2019-11-06 19:06:12,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:12,602 INFO L462 AbstractCegarLoop]: Abstraction has 1186 states and 1681 transitions. [2019-11-06 19:06:12,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 19:06:12,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1681 transitions. [2019-11-06 19:06:12,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-06 19:06:12,622 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:12,623 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:12,623 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:12,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:12,624 INFO L82 PathProgramCache]: Analyzing trace with hash -305608979, now seen corresponding path program 1 times [2019-11-06 19:06:12,624 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:12,624 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984750630] [2019-11-06 19:06:12,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 19:06:13,033 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984750630] [2019-11-06 19:06:13,033 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511492901] [2019-11-06 19:06:13,034 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 [2019-11-06 19:06:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:13,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:13,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 192 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:13,308 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:06:13,309 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 19:06:13,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104473192] [2019-11-06 19:06:13,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 19:06:13,317 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:13,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 19:06:13,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 19:06:13,317 INFO L87 Difference]: Start difference. First operand 1186 states and 1681 transitions. Second operand 11 states. [2019-11-06 19:06:16,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:16,461 INFO L93 Difference]: Finished difference Result 3785 states and 6025 transitions. [2019-11-06 19:06:16,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-06 19:06:16,464 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 246 [2019-11-06 19:06:16,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:16,496 INFO L225 Difference]: With dead ends: 3785 [2019-11-06 19:06:16,497 INFO L226 Difference]: Without dead ends: 2605 [2019-11-06 19:06:16,503 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2019-11-06 19:06:16,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2019-11-06 19:06:16,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 2134. [2019-11-06 19:06:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2134 states. [2019-11-06 19:06:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 3231 transitions. [2019-11-06 19:06:16,695 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 3231 transitions. Word has length 246 [2019-11-06 19:06:16,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:16,696 INFO L462 AbstractCegarLoop]: Abstraction has 2134 states and 3231 transitions. [2019-11-06 19:06:16,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 19:06:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 3231 transitions. [2019-11-06 19:06:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-06 19:06:16,705 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:16,706 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:16,910 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:16,910 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:16,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:16,911 INFO L82 PathProgramCache]: Analyzing trace with hash -651302422, now seen corresponding path program 1 times [2019-11-06 19:06:16,911 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:16,911 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952546999] [2019-11-06 19:06:16,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:17,257 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 19:06:17,257 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952546999] [2019-11-06 19:06:17,257 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388426004] [2019-11-06 19:06:17,258 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 [2019-11-06 19:06:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:17,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:17,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:06:17,533 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 19:06:17,533 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 19:06:17,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511704128] [2019-11-06 19:06:17,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 19:06:17,535 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:17,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 19:06:17,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 19:06:17,536 INFO L87 Difference]: Start difference. First operand 2134 states and 3231 transitions. Second operand 11 states. [2019-11-06 19:06:20,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:20,000 INFO L93 Difference]: Finished difference Result 3954 states and 5929 transitions. [2019-11-06 19:06:20,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-06 19:06:20,001 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 253 [2019-11-06 19:06:20,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:20,012 INFO L225 Difference]: With dead ends: 3954 [2019-11-06 19:06:20,012 INFO L226 Difference]: Without dead ends: 1826 [2019-11-06 19:06:20,022 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2019-11-06 19:06:20,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2019-11-06 19:06:20,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1643. [2019-11-06 19:06:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1643 states. [2019-11-06 19:06:20,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 2167 transitions. [2019-11-06 19:06:20,080 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 2167 transitions. Word has length 253 [2019-11-06 19:06:20,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:20,080 INFO L462 AbstractCegarLoop]: Abstraction has 1643 states and 2167 transitions. [2019-11-06 19:06:20,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 19:06:20,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2167 transitions. [2019-11-06 19:06:20,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-11-06 19:06:20,089 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:06:20,090 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:06:20,293 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:20,294 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:06:20,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:06:20,294 INFO L82 PathProgramCache]: Analyzing trace with hash -2012360138, now seen corresponding path program 1 times [2019-11-06 19:06:20,295 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:06:20,295 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821034538] [2019-11-06 19:06:20,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:06:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,569 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-06 19:06:20,569 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821034538] [2019-11-06 19:06:20,570 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425298268] [2019-11-06 19:06:20,570 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 [2019-11-06 19:06:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:06:20,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 19:06:20,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 19:06:20,825 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-06 19:06:20,825 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 19:06:20,825 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-11-06 19:06:20,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270986860] [2019-11-06 19:06:20,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 19:06:20,827 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:06:20,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 19:06:20,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 19:06:20,828 INFO L87 Difference]: Start difference. First operand 1643 states and 2167 transitions. Second operand 3 states. [2019-11-06 19:06:21,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:06:21,470 INFO L93 Difference]: Finished difference Result 2950 states and 4028 transitions. [2019-11-06 19:06:21,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 19:06:21,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 263 [2019-11-06 19:06:21,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:06:21,472 INFO L225 Difference]: With dead ends: 2950 [2019-11-06 19:06:21,472 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 19:06:21,478 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 19:06:21,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 19:06:21,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 19:06:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 19:06:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 19:06:21,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 263 [2019-11-06 19:06:21,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:06:21,481 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 19:06:21,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 19:06:21,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 19:06:21,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 19:06:21,683 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 19:06:21,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 19:06:22,209 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 22 [2019-11-06 19:06:22,313 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:06:22,314 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-11-06 19:06:22,314 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:06:22,314 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-06 19:06:22,314 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,314 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,315 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,319 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,319 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,319 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,320 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-06 19:06:22,320 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-06 19:06:22,320 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-06 19:06:22,320 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-06 19:06:22,320 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-06 19:06:22,320 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-06 19:06:22,320 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-06 19:06:22,320 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-06 19:06:22,321 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-06 19:06:22,321 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-06 19:06:22,321 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-06 19:06:22,321 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,321 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,321 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,321 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,321 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,322 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-06 19:06:22,322 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-06 19:06:22,322 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-06 19:06:22,322 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-06 19:06:22,322 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-06 19:06:22,322 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-06 19:06:22,322 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-06 19:06:22,322 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-06 19:06:22,323 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-06 19:06:22,328 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-06 19:06:22,328 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-06 19:06:22,328 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-06 19:06:22,328 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-06 19:06:22,328 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-06 19:06:22,328 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,329 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,329 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,329 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,329 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,329 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-06 19:06:22,329 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-06 19:06:22,329 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-06 19:06:22,329 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-06 19:06:22,330 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-06 19:06:22,330 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-06 19:06:22,330 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-06 19:06:22,330 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-06 19:06:22,330 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-06 19:06:22,330 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-06 19:06:22,330 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,330 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,330 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,331 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,333 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,333 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-06 19:06:22,333 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-06 19:06:22,333 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-06 19:06:22,333 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-06 19:06:22,333 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-06 19:06:22,333 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-06 19:06:22,334 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-06 19:06:22,334 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-06 19:06:22,334 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-06 19:06:22,334 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-06 19:06:22,334 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-06 19:06:22,334 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-06 19:06:22,334 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-06 19:06:22,334 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,334 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,335 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,335 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,335 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,335 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-06 19:06:22,335 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-06 19:06:22,335 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-06 19:06:22,335 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-06 19:06:22,335 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-06 19:06:22,335 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-06 19:06:22,336 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-06 19:06:22,337 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-06 19:06:22,337 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-06 19:06:22,338 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,338 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,338 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,338 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,338 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,338 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,338 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,338 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-06 19:06:22,338 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-06 19:06:22,339 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-06 19:06:22,339 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-06 19:06:22,339 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-06 19:06:22,339 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-06 19:06:22,339 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-06 19:06:22,339 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-06 19:06:22,339 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-06 19:06:22,339 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-06 19:06:22,339 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-06 19:06:22,340 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-06 19:06:22,340 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-06 19:06:22,340 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,340 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,340 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,340 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,340 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-06 19:06:22,340 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,340 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,340 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-06 19:06:22,341 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-06 19:06:22,341 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-06 19:06:22,341 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-06 19:06:22,341 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-06 19:06:22,341 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-06 19:06:22,341 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-06 19:06:22,341 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-06 19:06:22,342 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-06 19:06:22,342 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-06 19:06:22,342 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-06 19:06:22,342 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-06 19:06:22,342 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-06 19:06:22,342 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,343 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,343 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,344 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,344 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,344 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,344 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-06 19:06:22,344 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-06 19:06:22,344 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-06 19:06:22,344 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-06 19:06:22,344 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-06 19:06:22,344 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-06 19:06:22,345 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-06 19:06:22,345 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-06 19:06:22,345 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-06 19:06:22,345 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-06 19:06:22,347 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-06 19:06:22,347 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or .cse0 (not (<= 9 |old(~a19~0)|))) (or .cse0 (not (<= |old(~a1~0)| 218))) (or (= 3 |old(~a10~0)|) .cse0))) [2019-11-06 19:06:22,348 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-06 19:06:22,348 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-06 19:06:22,348 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-06 19:06:22,348 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,348 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,348 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,348 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,348 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,349 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,349 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-06 19:06:22,349 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-06 19:06:22,349 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-06 19:06:22,349 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-06 19:06:22,349 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-06 19:06:22,349 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-06 19:06:22,349 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-06 19:06:22,349 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-06 19:06:22,350 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-06 19:06:22,350 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-06 19:06:22,350 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-06 19:06:22,350 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-06 19:06:22,351 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-06 19:06:22,351 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,351 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,351 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,351 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,351 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,351 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,351 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2019-11-06 19:06:22,352 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-06 19:06:22,352 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-06 19:06:22,352 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-06 19:06:22,352 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-06 19:06:22,352 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-06 19:06:22,352 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-06 19:06:22,352 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-06 19:06:22,352 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-06 19:06:22,352 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-06 19:06:22,353 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-06 19:06:22,353 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-06 19:06:22,353 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-06 19:06:22,353 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,353 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,353 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,353 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,353 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,353 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-06 19:06:22,354 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-06 19:06:22,354 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-06 19:06:22,354 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-06 19:06:22,354 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-06 19:06:22,354 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-06 19:06:22,354 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-06 19:06:22,354 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-06 19:06:22,354 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-06 19:06:22,354 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-06 19:06:22,354 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-06 19:06:22,355 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-06 19:06:22,355 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-06 19:06:22,355 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 19:06:22,355 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 23) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-11-06 19:06:22,355 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 19:06:22,355 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 19:06:22,355 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|))) [2019-11-06 19:06:22,355 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-11-06 19:06:22,356 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (not (= ~a10~0 3)) (<= ~a1~0 218) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (<= 9 ~a19~0) (not (<= 9 |old(~a19~0)|))) [2019-11-06 19:06:22,356 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-11-06 19:06:22,356 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-06 19:06:22,356 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (= ~a10~0 3)) (<= ~a1~0 218) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a10~0)| 0)) (<= 9 ~a19~0) (not (<= 9 |old(~a19~0)|))) [2019-11-06 19:06:22,356 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-11-06 19:06:22,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 07:06:22 BoogieIcfgContainer [2019-11-06 19:06:22,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 19:06:22,390 INFO L168 Benchmark]: Toolchain (without parser) took 17681.20 ms. Allocated memory was 137.9 MB in the beginning and 516.9 MB in the end (delta: 379.1 MB). Free memory was 100.1 MB in the beginning and 177.8 MB in the end (delta: -77.8 MB). Peak memory consumption was 301.3 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:22,393 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 19:06:22,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.92 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 169.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:22,399 INFO L168 Benchmark]: Boogie Preprocessor took 104.38 ms. Allocated memory is still 203.4 MB. Free memory was 169.9 MB in the beginning and 165.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:22,400 INFO L168 Benchmark]: RCFGBuilder took 1535.62 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 165.0 MB in the beginning and 180.8 MB in the end (delta: -15.8 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:22,403 INFO L168 Benchmark]: TraceAbstraction took 15322.44 ms. Allocated memory was 235.4 MB in the beginning and 516.9 MB in the end (delta: 281.5 MB). Free memory was 180.8 MB in the beginning and 177.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 284.5 MB. Max. memory is 7.1 GB. [2019-11-06 19:06:22,412 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.92 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 169.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.38 ms. Allocated memory is still 203.4 MB. Free memory was 169.9 MB in the beginning and 165.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1535.62 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 165.0 MB in the beginning and 180.8 MB in the end (delta: -15.8 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15322.44 ms. Allocated memory was 235.4 MB in the beginning and 516.9 MB in the end (delta: 281.5 MB). Free memory was 180.8 MB in the beginning and 177.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 284.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((!(a10 == 3) || a1 <= 218) || !(\old(a1) <= 23)) || !(\old(a10) <= 0)) || 9 <= a19) || !(9 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 15.2s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 190 SDtfs, 3117 SDslu, 269 SDs, 0 SdLazy, 6007 SolverSat, 1549 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 858 GetRequests, 794 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2134occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 821 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 66 PreInvPairs, 106 NumberOfFragments, 156 HoareAnnotationTreeSize, 66 FomulaSimplifications, 14088 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1374 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1736 NumberOfCodeBlocks, 1736 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1728 ConstructedInterpolants, 0 QuantifiedInterpolants, 1083571 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1277 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 1264/1274 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...