/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:25:52,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:25:52,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:25:52,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:25:52,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:25:52,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:25:52,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:25:52,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:25:52,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:25:52,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:25:52,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:25:52,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:25:52,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:25:52,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:25:52,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:25:52,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:25:52,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:25:52,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:25:52,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:25:52,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:25:52,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:25:52,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:25:52,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:25:52,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:25:52,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:25:52,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:25:52,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:25:52,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:25:52,340 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 [2020-07-21 11:25:52,355 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:25:52,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:25:52,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:25:52,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:25:52,357 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:25:52,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:25:52,358 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:25:52,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:25:52,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:25:52,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:25:52,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:25:52,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:25:52,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:25:52,359 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:25:52,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:25:52,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:25:52,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:25:52,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:25:52,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:25:52,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:25:52,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:25:52,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:25:52,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:25:52,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:25:52,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:25:52,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:25:52,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:52,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:25:52,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:25:52,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 11:25:52,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:25:52,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:25:52,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:25:52,661 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:25:52,661 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:25:52,662 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label46.c [2020-07-21 11:25:52,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bad55f9a0/14879faa8c3f42ca9354c8150132e4e6/FLAG5b7891e1e [2020-07-21 11:25:53,320 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:25:53,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label46.c [2020-07-21 11:25:53,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bad55f9a0/14879faa8c3f42ca9354c8150132e4e6/FLAG5b7891e1e [2020-07-21 11:25:53,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bad55f9a0/14879faa8c3f42ca9354c8150132e4e6 [2020-07-21 11:25:53,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:25:53,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:25:53,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:25:53,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:25:53,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:25:53,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:25:53" (1/1) ... [2020-07-21 11:25:53,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd1c41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:25:53, skipping insertion in model container [2020-07-21 11:25:53,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:25:53" (1/1) ... [2020-07-21 11:25:53,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:25:53,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:25:54,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:25:54,222 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:25:54,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:25:54,326 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:25:54,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:25:54 WrapperNode [2020-07-21 11:25:54,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:25:54,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:25:54,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:25:54,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:25:54,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:25:54" (1/1) ... [2020-07-21 11:25:54,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:25:54" (1/1) ... [2020-07-21 11:25:54,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:25:54" (1/1) ... [2020-07-21 11:25:54,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:25:54" (1/1) ... [2020-07-21 11:25:54,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:25:54" (1/1) ... [2020-07-21 11:25:54,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:25:54" (1/1) ... [2020-07-21 11:25:54,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:25:54" (1/1) ... [2020-07-21 11:25:54,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:25:54,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:25:54,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:25:54,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:25:54,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:25:54" (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 [2020-07-21 11:25:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:25:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:25:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 11:25:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:25:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 11:25:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:25:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 11:25:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 11:25:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:25:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:25:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:25:55,687 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:25:55,688 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 11:25:55,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:25:55 BoogieIcfgContainer [2020-07-21 11:25:55,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:25:55,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:25:55,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:25:55,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:25:55,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:25:53" (1/3) ... [2020-07-21 11:25:55,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611c97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:25:55, skipping insertion in model container [2020-07-21 11:25:55,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:25:54" (2/3) ... [2020-07-21 11:25:55,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611c97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:25:55, skipping insertion in model container [2020-07-21 11:25:55,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:25:55" (3/3) ... [2020-07-21 11:25:55,710 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label46.c [2020-07-21 11:25:55,722 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:25:55,735 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:25:55,750 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:25:55,784 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:25:55,785 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:25:55,785 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:25:55,785 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:25:55,786 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:25:55,786 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:25:55,786 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:25:55,786 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:25:55,814 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-21 11:25:55,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-21 11:25:55,840 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:25:55,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:25:55,842 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:25:55,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:25:55,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1447421978, now seen corresponding path program 1 times [2020-07-21 11:25:55,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:25:55,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037520569] [2020-07-21 11:25:55,860 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:25:55,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:25:56,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:25:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:25:56,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:25:56,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037520569] [2020-07-21 11:25:56,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:25:56,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:25:56,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075283009] [2020-07-21 11:25:56,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:25:56,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:25:56,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:25:56,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:25:56,158 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-07-21 11:25:57,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:25:57,022 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2020-07-21 11:25:57,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:25:57,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-07-21 11:25:57,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:25:57,043 INFO L225 Difference]: With dead ends: 547 [2020-07-21 11:25:57,043 INFO L226 Difference]: Without dead ends: 278 [2020-07-21 11:25:57,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:25:57,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-21 11:25:57,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-07-21 11:25:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-21 11:25:57,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2020-07-21 11:25:57,149 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 118 [2020-07-21 11:25:57,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:25:57,153 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2020-07-21 11:25:57,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:25:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2020-07-21 11:25:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-07-21 11:25:57,164 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:25:57,165 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:25:57,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:57,378 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:25:57,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:25:57,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1793818301, now seen corresponding path program 1 times [2020-07-21 11:25:57,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:25:57,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185462343] [2020-07-21 11:25:57,379 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:25:57,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:25:57,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:25:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:25:57,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:25:57,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [185462343] [2020-07-21 11:25:57,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:25:57,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:25:57,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513323125] [2020-07-21 11:25:57,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:25:57,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:25:57,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:25:57,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:25:57,545 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2020-07-21 11:25:58,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:25:58,369 INFO L93 Difference]: Finished difference Result 842 states and 1252 transitions. [2020-07-21 11:25:58,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:25:58,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-07-21 11:25:58,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:25:58,376 INFO L225 Difference]: With dead ends: 842 [2020-07-21 11:25:58,377 INFO L226 Difference]: Without dead ends: 570 [2020-07-21 11:25:58,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:25:58,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-07-21 11:25:58,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 556. [2020-07-21 11:25:58,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-21 11:25:58,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions. [2020-07-21 11:25:58,415 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 127 [2020-07-21 11:25:58,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:25:58,415 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions. [2020-07-21 11:25:58,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:25:58,416 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions. [2020-07-21 11:25:58,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-21 11:25:58,420 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:25:58,421 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:25:58,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:58,634 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:25:58,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:25:58,635 INFO L82 PathProgramCache]: Analyzing trace with hash 985381706, now seen corresponding path program 1 times [2020-07-21 11:25:58,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:25:58,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881481231] [2020-07-21 11:25:58,637 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:25:58,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:25:58,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:25:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-21 11:25:58,829 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:25:58,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881481231] [2020-07-21 11:25:58,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:25:58,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:25:58,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073058384] [2020-07-21 11:25:58,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:25:58,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:25:58,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:25:58,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:25:58,832 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 3 states. [2020-07-21 11:25:59,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:25:59,391 INFO L93 Difference]: Finished difference Result 1648 states and 2356 transitions. [2020-07-21 11:25:59,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:25:59,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-21 11:25:59,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:25:59,398 INFO L225 Difference]: With dead ends: 1648 [2020-07-21 11:25:59,399 INFO L226 Difference]: Without dead ends: 1098 [2020-07-21 11:25:59,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:25:59,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2020-07-21 11:25:59,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 963. [2020-07-21 11:25:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2020-07-21 11:25:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1347 transitions. [2020-07-21 11:25:59,434 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1347 transitions. Word has length 138 [2020-07-21 11:25:59,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:25:59,435 INFO L479 AbstractCegarLoop]: Abstraction has 963 states and 1347 transitions. [2020-07-21 11:25:59,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:25:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1347 transitions. [2020-07-21 11:25:59,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 11:25:59,439 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:25:59,440 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:25:59,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:59,654 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:25:59,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:25:59,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1554407470, now seen corresponding path program 1 times [2020-07-21 11:25:59,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:25:59,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315274013] [2020-07-21 11:25:59,656 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:25:59,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 11:25:59,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:25:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:25:59,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:25:59,949 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:25:59,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [315274013] [2020-07-21 11:25:59,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:25:59,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:25:59,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139089630] [2020-07-21 11:25:59,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:25:59,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:25:59,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:25:59,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:25:59,953 INFO L87 Difference]: Start difference. First operand 963 states and 1347 transitions. Second operand 7 states. [2020-07-21 11:26:00,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:00,850 INFO L93 Difference]: Finished difference Result 2089 states and 2972 transitions. [2020-07-21 11:26:00,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:26:00,851 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 152 [2020-07-21 11:26:00,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:00,860 INFO L225 Difference]: With dead ends: 2089 [2020-07-21 11:26:00,861 INFO L226 Difference]: Without dead ends: 1132 [2020-07-21 11:26:00,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:26:00,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2020-07-21 11:26:00,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 971. [2020-07-21 11:26:00,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2020-07-21 11:26:00,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1358 transitions. [2020-07-21 11:26:00,926 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1358 transitions. Word has length 152 [2020-07-21 11:26:00,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:00,927 INFO L479 AbstractCegarLoop]: Abstraction has 971 states and 1358 transitions. [2020-07-21 11:26:00,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:26:00,927 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1358 transitions. [2020-07-21 11:26:00,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-21 11:26:00,931 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:00,931 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:26:01,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:01,147 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:01,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:01,148 INFO L82 PathProgramCache]: Analyzing trace with hash 820217782, now seen corresponding path program 1 times [2020-07-21 11:26:01,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:01,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723084879] [2020-07-21 11:26:01,150 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:01,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:26:01,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-21 11:26:01,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:26:01,374 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-21 11:26:01,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723084879] [2020-07-21 11:26:01,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:26:01,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-07-21 11:26:01,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710085886] [2020-07-21 11:26:01,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:26:01,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:01,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:26:01,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:26:01,377 INFO L87 Difference]: Start difference. First operand 971 states and 1358 transitions. Second operand 5 states. [2020-07-21 11:26:02,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:02,111 INFO L93 Difference]: Finished difference Result 1954 states and 2756 transitions. [2020-07-21 11:26:02,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 11:26:02,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-07-21 11:26:02,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:02,121 INFO L225 Difference]: With dead ends: 1954 [2020-07-21 11:26:02,121 INFO L226 Difference]: Without dead ends: 989 [2020-07-21 11:26:02,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 306 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:26:02,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2020-07-21 11:26:02,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 832. [2020-07-21 11:26:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-21 11:26:02,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1103 transitions. [2020-07-21 11:26:02,163 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1103 transitions. Word has length 156 [2020-07-21 11:26:02,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:02,165 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1103 transitions. [2020-07-21 11:26:02,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:26:02,166 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1103 transitions. [2020-07-21 11:26:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-07-21 11:26:02,169 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:26:02,170 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2020-07-21 11:26:02,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:02,384 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:26:02,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:26:02,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1525015186, now seen corresponding path program 1 times [2020-07-21 11:26:02,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:26:02,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576158402] [2020-07-21 11:26:02,386 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:26:02,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 11:26:02,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:26:02,564 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 11:26:02,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:26:02,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [576158402] [2020-07-21 11:26:02,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:26:02,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:26:02,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134079335] [2020-07-21 11:26:02,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:26:02,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:26:02,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:26:02,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:26:02,569 INFO L87 Difference]: Start difference. First operand 832 states and 1103 transitions. Second operand 3 states. [2020-07-21 11:26:03,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:26:03,104 INFO L93 Difference]: Finished difference Result 2339 states and 3157 transitions. [2020-07-21 11:26:03,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:26:03,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2020-07-21 11:26:03,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:26:03,106 INFO L225 Difference]: With dead ends: 2339 [2020-07-21 11:26:03,106 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:26:03,110 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:26:03,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:26:03,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:26:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:26:03,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:26:03,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 205 [2020-07-21 11:26:03,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:26:03,112 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:26:03,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:26:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:26:03,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:26:03,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:26:03,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:26:03,576 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 24 [2020-07-21 11:26:03,909 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-07-21 11:26:04,041 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:26:04,042 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a21~0 |old(~a21~0)|) (<= ~a7~0 |old(~a7~0)|)) [2020-07-21 11:26:04,042 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:26:04,042 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-21 11:26:04,042 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-21 11:26:04,042 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,042 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,042 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,042 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,042 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,043 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,043 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-21 11:26:04,043 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-21 11:26:04,043 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-21 11:26:04,043 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-21 11:26:04,043 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-21 11:26:04,043 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 11:26:04,043 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-21 11:26:04,043 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-21 11:26:04,043 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-21 11:26:04,043 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-21 11:26:04,044 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,044 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,044 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,044 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,044 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,044 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,044 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-21 11:26:04,044 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-21 11:26:04,044 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-21 11:26:04,044 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-21 11:26:04,045 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-21 11:26:04,045 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-21 11:26:04,045 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-21 11:26:04,045 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-21 11:26:04,045 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-21 11:26:04,045 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-21 11:26:04,045 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-21 11:26:04,045 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 512) no Hoare annotation was computed. [2020-07-21 11:26:04,045 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-21 11:26:04,045 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-21 11:26:04,045 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-21 11:26:04,046 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-21 11:26:04,046 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,046 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,046 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,046 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,046 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,046 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-21 11:26:04,046 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-21 11:26:04,046 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-21 11:26:04,046 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-21 11:26:04,047 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-21 11:26:04,047 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-21 11:26:04,047 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-21 11:26:04,047 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-21 11:26:04,047 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-21 11:26:04,047 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,047 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,047 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,047 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,047 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,047 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-21 11:26:04,047 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-21 11:26:04,048 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-21 11:26:04,048 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-21 11:26:04,048 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-21 11:26:04,048 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 11:26:04,048 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-21 11:26:04,048 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-21 11:26:04,048 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-21 11:26:04,048 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-21 11:26:04,049 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-21 11:26:04,049 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-21 11:26:04,049 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-21 11:26:04,049 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,049 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,049 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,049 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,049 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,050 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-21 11:26:04,050 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-21 11:26:04,050 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-21 11:26:04,050 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-21 11:26:04,050 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-21 11:26:04,050 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-21 11:26:04,050 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-21 11:26:04,050 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-21 11:26:04,051 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-21 11:26:04,051 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,051 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,051 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,051 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,051 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,051 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,051 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-21 11:26:04,052 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,052 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-21 11:26:04,052 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-21 11:26:04,052 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-21 11:26:04,052 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-21 11:26:04,052 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 11:26:04,052 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-21 11:26:04,052 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-21 11:26:04,053 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-21 11:26:04,053 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-21 11:26:04,053 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-21 11:26:04,053 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-21 11:26:04,053 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-21 11:26:04,053 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-21 11:26:04,053 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,054 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,054 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,054 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,054 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,054 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-21 11:26:04,054 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-21 11:26:04,054 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-21 11:26:04,054 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 11:26:04,055 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-21 11:26:04,055 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-21 11:26:04,055 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-21 11:26:04,055 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-21 11:26:04,055 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,055 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,055 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,055 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,056 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,056 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-21 11:26:04,056 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-21 11:26:04,056 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-21 11:26:04,056 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-21 11:26:04,056 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-21 11:26:04,056 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-21 11:26:04,056 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 11:26:04,056 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-21 11:26:04,057 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-21 11:26:04,057 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-21 11:26:04,057 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a21~0)| 0))) (.cse7 (not (<= 15 |old(~a8~0)|))) (.cse1 (= 1 ~a17~0)) (.cse2 (not (= 1 |old(~a17~0)|))) (.cse5 (= ~a21~0 |old(~a21~0)|)) (.cse6 (<= ~a7~0 |old(~a7~0)|)) (.cse3 (not (<= |old(~a16~0)| 5))) (.cse4 (not (= 1 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2 .cse4) (or .cse0 (and .cse5 .cse6)) (or (and .cse1 .cse5 .cse6) (not (<= |old(~a7~0)| 0)) .cse2 .cse4) (or (and (<= 15 ~a8~0) .cse5 .cse6) .cse7 .cse4) (or .cse7 .cse1 .cse2 .cse4) (or (and (<= ~a16~0 5) .cse5 .cse6) .cse3 .cse4))) [2020-07-21 11:26:04,057 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-21 11:26:04,057 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,057 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,057 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,058 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,058 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-21 11:26:04,058 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,058 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,058 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-21 11:26:04,058 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-21 11:26:04,058 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-21 11:26:04,058 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-21 11:26:04,058 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-21 11:26:04,059 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-21 11:26:04,059 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-21 11:26:04,059 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-21 11:26:04,059 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-21 11:26:04,059 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-21 11:26:04,059 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-21 11:26:04,059 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-21 11:26:04,059 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,060 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,060 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,060 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,060 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,060 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-21 11:26:04,060 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,060 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-21 11:26:04,060 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-21 11:26:04,061 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-21 11:26:04,061 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-21 11:26:04,061 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 11:26:04,061 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 11:26:04,061 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-21 11:26:04,061 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-21 11:26:04,061 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-21 11:26:04,061 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-21 11:26:04,062 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-21 11:26:04,062 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-21 11:26:04,062 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-21 11:26:04,062 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-21 11:26:04,062 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,062 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,062 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,062 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,063 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,063 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:26:04,063 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-21 11:26:04,063 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-21 11:26:04,063 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-21 11:26:04,063 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 11:26:04,063 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-21 11:26:04,064 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-21 11:26:04,064 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-21 11:26:04,064 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-21 11:26:04,064 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-21 11:26:04,064 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-21 11:26:04,064 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:26:04,064 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (= 1 ~a17~0) (<= ~a16~0 5) (<= 15 ~a8~0) (= 1 ~a21~0)) [2020-07-21 11:26:04,064 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:26:04,064 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:26:04,065 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= 1 ~a17~0) (<= ~a16~0 5) (<= 15 ~a8~0) (= ~a21~0 |old(~a21~0)|) (<= ~a7~0 |old(~a7~0)|)) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (= 1 |old(~a17~0)|)) (not (= 1 |old(~a21~0)|))) [2020-07-21 11:26:04,065 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-21 11:26:04,065 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a21~0))) (or (not (<= 15 |old(~a8~0)|)) (<= ~a21~0 0) (and (<= 15 ~a8~0) .cse0) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (= 1 |old(~a17~0)|)) (and (<= ~a7~0 0) (= 1 ~a17~0) .cse0) (and (<= ~a16~0 5) .cse0) (not (= 1 |old(~a21~0)|)))) [2020-07-21 11:26:04,065 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-21 11:26:04,065 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-21 11:26:04,065 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a21~0))) (or (not (<= 15 |old(~a8~0)|)) (<= ~a21~0 0) (and (<= 15 ~a8~0) .cse0) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (= 1 |old(~a17~0)|)) (and (<= ~a7~0 0) (= 1 ~a17~0) .cse0) (and (<= ~a16~0 5) .cse0) (not (= 1 |old(~a21~0)|)))) [2020-07-21 11:26:04,065 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-21 11:26:04,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:26:04 BoogieIcfgContainer [2020-07-21 11:26:04,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:26:04,089 INFO L168 Benchmark]: Toolchain (without parser) took 10490.74 ms. Allocated memory was 144.7 MB in the beginning and 373.3 MB in the end (delta: 228.6 MB). Free memory was 100.8 MB in the beginning and 250.6 MB in the end (delta: -149.8 MB). Peak memory consumption was 202.1 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:04,090 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-21 11:26:04,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.12 ms. Allocated memory was 144.7 MB in the beginning and 205.0 MB in the end (delta: 60.3 MB). Free memory was 100.4 MB in the beginning and 170.3 MB in the end (delta: -69.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:04,092 INFO L168 Benchmark]: Boogie Preprocessor took 110.31 ms. Allocated memory is still 205.0 MB. Free memory was 170.3 MB in the beginning and 165.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:04,093 INFO L168 Benchmark]: RCFGBuilder took 1259.68 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 165.3 MB in the beginning and 179.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:04,094 INFO L168 Benchmark]: TraceAbstraction took 8387.76 ms. Allocated memory was 237.0 MB in the beginning and 373.3 MB in the end (delta: 136.3 MB). Free memory was 179.6 MB in the beginning and 250.6 MB in the end (delta: -71.0 MB). Peak memory consumption was 188.6 MB. Max. memory is 7.1 GB. [2020-07-21 11:26:04,098 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 727.12 ms. Allocated memory was 144.7 MB in the beginning and 205.0 MB in the end (delta: 60.3 MB). Free memory was 100.4 MB in the beginning and 170.3 MB in the end (delta: -69.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.31 ms. Allocated memory is still 205.0 MB. Free memory was 170.3 MB in the beginning and 165.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1259.68 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 165.3 MB in the beginning and 179.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8387.76 ms. Allocated memory was 237.0 MB in the beginning and 373.3 MB in the end (delta: 136.3 MB). Free memory was 179.6 MB in the beginning and 250.6 MB in the end (delta: -71.0 MB). Peak memory consumption was 188.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 512]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((!(15 <= \old(a8)) || a21 <= 0) || (15 <= a8 && 1 == a21)) || !(\old(a7) <= 0)) || !(\old(a16) <= 5)) || !(1 == \old(a17))) || ((a7 <= 0 && 1 == a17) && 1 == a21)) || (a16 <= 5 && 1 == a21)) || !(1 == \old(a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.5s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 1677 SDslu, 141 SDs, 0 SdLazy, 2948 SolverSat, 526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1206 GetRequests, 1183 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=971occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 467 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 44 PreInvPairs, 66 NumberOfFragments, 275 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1703 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 352 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 896 NumberOfCodeBlocks, 896 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1196 ConstructedInterpolants, 0 QuantifiedInterpolants, 417751 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2451 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 272/297 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...