/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_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 11:33:45,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 11:33:45,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 11:33:45,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 11:33:45,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 11:33:45,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 11:33:45,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 11:33:45,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 11:33:45,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 11:33:45,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 11:33:45,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 11:33:45,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 11:33:45,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 11:33:45,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 11:33:45,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 11:33:45,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 11:33:45,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 11:33:45,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 11:33:45,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 11:33:45,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 11:33:45,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 11:33:45,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 11:33:45,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 11:33:45,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 11:33:45,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 11:33:45,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 11:33:45,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 11:33:45,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 11:33:45,447 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 [2020-07-20 11:33:45,467 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 11:33:45,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 11:33:45,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 11:33:45,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 11:33:45,469 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 11:33:45,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 11:33:45,470 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 11:33:45,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 11:33:45,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 11:33:45,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 11:33:45,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 11:33:45,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 11:33:45,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 11:33:45,472 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 11:33:45,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 11:33:45,473 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 11:33:45,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 11:33:45,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 11:33:45,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 11:33:45,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 11:33:45,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 11:33:45,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 11:33:45,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 11:33:45,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 11:33:45,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 11:33:45,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 11:33:45,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:45,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 11:33:45,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 11:33:45,475 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 [2020-07-20 11:33:45,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 11:33:45,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 11:33:45,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 11:33:45,797 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 11:33:45,797 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 11:33:45,798 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label39.c [2020-07-20 11:33:45,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41cd11571/f6b4379cc760460a88073dcb4c5cc5f2/FLAG58e1c3333 [2020-07-20 11:33:46,456 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 11:33:46,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label39.c [2020-07-20 11:33:46,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41cd11571/f6b4379cc760460a88073dcb4c5cc5f2/FLAG58e1c3333 [2020-07-20 11:33:46,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41cd11571/f6b4379cc760460a88073dcb4c5cc5f2 [2020-07-20 11:33:46,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 11:33:46,714 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 11:33:46,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 11:33:46,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 11:33:46,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 11:33:46,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:33:46" (1/1) ... [2020-07-20 11:33:46,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c24edc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:33:46, skipping insertion in model container [2020-07-20 11:33:46,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:33:46" (1/1) ... [2020-07-20 11:33:46,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 11:33:46,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 11:33:47,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:33:47,216 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 11:33:47,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 11:33:47,494 INFO L208 MainTranslator]: Completed translation [2020-07-20 11:33:47,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:33:47 WrapperNode [2020-07-20 11:33:47,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 11:33:47,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 11:33:47,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 11:33:47,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 11:33:47,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:33:47" (1/1) ... [2020-07-20 11:33:47,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:33:47" (1/1) ... [2020-07-20 11:33:47,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:33:47" (1/1) ... [2020-07-20 11:33:47,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:33:47" (1/1) ... [2020-07-20 11:33:47,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:33:47" (1/1) ... [2020-07-20 11:33:47,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:33:47" (1/1) ... [2020-07-20 11:33:47,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:33:47" (1/1) ... [2020-07-20 11:33:47,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 11:33:47,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 11:33:47,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 11:33:47,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 11:33:47,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:33:47" (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 [2020-07-20 11:33:47,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 11:33:47,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 11:33:47,704 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 11:33:47,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 11:33:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 11:33:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 11:33:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 11:33:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 11:33:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 11:33:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 11:33:47,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 11:33:48,791 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 11:33:48,792 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 11:33:48,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:33:48 BoogieIcfgContainer [2020-07-20 11:33:48,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 11:33:48,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 11:33:48,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 11:33:48,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 11:33:48,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:33:46" (1/3) ... [2020-07-20 11:33:48,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9bb667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:33:48, skipping insertion in model container [2020-07-20 11:33:48,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:33:47" (2/3) ... [2020-07-20 11:33:48,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9bb667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:33:48, skipping insertion in model container [2020-07-20 11:33:48,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:33:48" (3/3) ... [2020-07-20 11:33:48,810 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label39.c [2020-07-20 11:33:48,821 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 11:33:48,829 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 11:33:48,842 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 11:33:48,868 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 11:33:48,868 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 11:33:48,868 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 11:33:48,868 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 11:33:48,869 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 11:33:48,869 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 11:33:48,869 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 11:33:48,869 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 11:33:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-20 11:33:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-20 11:33:48,910 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:33:48,912 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:33:48,912 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:33:48,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:33:48,918 INFO L82 PathProgramCache]: Analyzing trace with hash -223585418, now seen corresponding path program 1 times [2020-07-20 11:33:48,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:33:48,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883823255] [2020-07-20 11:33:48,928 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 [2020-07-20 11:33:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:33:49,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:33:49,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:33:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:33:49,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:33:49,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883823255] [2020-07-20 11:33:49,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:33:49,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:33:49,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391751501] [2020-07-20 11:33:49,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:33:49,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:33:49,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:33:49,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:33:49,254 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-07-20 11:33:50,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:50,132 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2020-07-20 11:33:50,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:33:50,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-20 11:33:50,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:50,165 INFO L225 Difference]: With dead ends: 547 [2020-07-20 11:33:50,165 INFO L226 Difference]: Without dead ends: 278 [2020-07-20 11:33:50,177 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 [2020-07-20 11:33:50,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-20 11:33:50,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-07-20 11:33:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-20 11:33:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2020-07-20 11:33:50,294 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 138 [2020-07-20 11:33:50,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:50,298 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2020-07-20 11:33:50,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:33:50,298 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2020-07-20 11:33:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 11:33:50,309 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:33:50,310 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:33:50,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:50,525 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:33:50,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:33:50,526 INFO L82 PathProgramCache]: Analyzing trace with hash -940546995, now seen corresponding path program 1 times [2020-07-20 11:33:50,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:33:50,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379190241] [2020-07-20 11:33:50,527 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 [2020-07-20 11:33:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:33:50,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 11:33:50,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:33:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:33:50,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:33:50,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379190241] [2020-07-20 11:33:50,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:33:50,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 11:33:50,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72811795] [2020-07-20 11:33:50,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 11:33:50,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:33:50,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 11:33:50,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 11:33:50,723 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 5 states. [2020-07-20 11:33:51,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:51,549 INFO L93 Difference]: Finished difference Result 840 states and 1222 transitions. [2020-07-20 11:33:51,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 11:33:51,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-07-20 11:33:51,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:51,558 INFO L225 Difference]: With dead ends: 840 [2020-07-20 11:33:51,559 INFO L226 Difference]: Without dead ends: 568 [2020-07-20 11:33:51,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 11:33:51,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2020-07-20 11:33:51,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2020-07-20 11:33:51,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-20 11:33:51,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions. [2020-07-20 11:33:51,602 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 148 [2020-07-20 11:33:51,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:51,602 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions. [2020-07-20 11:33:51,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 11:33:51,603 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions. [2020-07-20 11:33:51,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 11:33:51,606 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:33:51,606 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:33:51,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:51,821 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:33:51,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:33:51,822 INFO L82 PathProgramCache]: Analyzing trace with hash -2080872689, now seen corresponding path program 1 times [2020-07-20 11:33:51,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:33:51,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464779614] [2020-07-20 11:33:51,824 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 [2020-07-20 11:33:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:33:51,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:33:51,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:33:51,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:33:51,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:33:51,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464779614] [2020-07-20 11:33:51,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:33:51,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:33:51,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601257392] [2020-07-20 11:33:51,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:33:51,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:33:51,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:33:51,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:33:51,973 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 3 states. [2020-07-20 11:33:52,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:52,545 INFO L93 Difference]: Finished difference Result 1376 states and 1961 transitions. [2020-07-20 11:33:52,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:33:52,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-07-20 11:33:52,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:52,552 INFO L225 Difference]: With dead ends: 1376 [2020-07-20 11:33:52,552 INFO L226 Difference]: Without dead ends: 826 [2020-07-20 11:33:52,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:33:52,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-07-20 11:33:52,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 826. [2020-07-20 11:33:52,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 826 states. [2020-07-20 11:33:52,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1132 transitions. [2020-07-20 11:33:52,589 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1132 transitions. Word has length 149 [2020-07-20 11:33:52,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:52,590 INFO L479 AbstractCegarLoop]: Abstraction has 826 states and 1132 transitions. [2020-07-20 11:33:52,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:33:52,591 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1132 transitions. [2020-07-20 11:33:52,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-20 11:33:52,594 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:33:52,595 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:33:52,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:52,802 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:33:52,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:33:52,803 INFO L82 PathProgramCache]: Analyzing trace with hash 938454151, now seen corresponding path program 1 times [2020-07-20 11:33:52,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:33:52,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1447553840] [2020-07-20 11:33:52,804 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 [2020-07-20 11:33:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:33:52,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:33:52,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:33:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:33:52,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:33:52,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1447553840] [2020-07-20 11:33:52,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:33:52,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:33:52,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350798979] [2020-07-20 11:33:52,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:33:52,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:33:52,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:33:52,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:33:52,999 INFO L87 Difference]: Start difference. First operand 826 states and 1132 transitions. Second operand 3 states. [2020-07-20 11:33:53,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:53,588 INFO L93 Difference]: Finished difference Result 2053 states and 2871 transitions. [2020-07-20 11:33:53,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:33:53,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-20 11:33:53,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:53,597 INFO L225 Difference]: With dead ends: 2053 [2020-07-20 11:33:53,597 INFO L226 Difference]: Without dead ends: 1233 [2020-07-20 11:33:53,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:33:53,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2020-07-20 11:33:53,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1233. [2020-07-20 11:33:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1233 states. [2020-07-20 11:33:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1633 transitions. [2020-07-20 11:33:53,637 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1633 transitions. Word has length 153 [2020-07-20 11:33:53,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:53,638 INFO L479 AbstractCegarLoop]: Abstraction has 1233 states and 1633 transitions. [2020-07-20 11:33:53,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:33:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1633 transitions. [2020-07-20 11:33:53,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-20 11:33:53,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:33:53,643 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:33:53,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:53,859 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:33:53,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:33:53,860 INFO L82 PathProgramCache]: Analyzing trace with hash -2018922562, now seen corresponding path program 1 times [2020-07-20 11:33:53,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:33:53,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2011287842] [2020-07-20 11:33:53,862 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 [2020-07-20 11:33:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:33:53,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:33:53,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:33:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 11:33:54,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:33:54,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2011287842] [2020-07-20 11:33:54,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:33:54,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:33:54,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569876880] [2020-07-20 11:33:54,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:33:54,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:33:54,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:33:54,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:33:54,028 INFO L87 Difference]: Start difference. First operand 1233 states and 1633 transitions. Second operand 3 states. [2020-07-20 11:33:54,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:54,629 INFO L93 Difference]: Finished difference Result 2460 states and 3273 transitions. [2020-07-20 11:33:54,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:33:54,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-07-20 11:33:54,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:54,638 INFO L225 Difference]: With dead ends: 2460 [2020-07-20 11:33:54,638 INFO L226 Difference]: Without dead ends: 1233 [2020-07-20 11:33:54,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:33:54,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2020-07-20 11:33:54,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1233. [2020-07-20 11:33:54,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1233 states. [2020-07-20 11:33:54,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1570 transitions. [2020-07-20 11:33:54,679 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1570 transitions. Word has length 172 [2020-07-20 11:33:54,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:54,680 INFO L479 AbstractCegarLoop]: Abstraction has 1233 states and 1570 transitions. [2020-07-20 11:33:54,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:33:54,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1570 transitions. [2020-07-20 11:33:54,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-20 11:33:54,686 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 11:33:54,686 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 11:33:54,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:54,901 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 11:33:54,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 11:33:54,902 INFO L82 PathProgramCache]: Analyzing trace with hash -167136995, now seen corresponding path program 1 times [2020-07-20 11:33:54,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 11:33:54,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651734493] [2020-07-20 11:33:54,903 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 [2020-07-20 11:33:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 11:33:54,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 11:33:54,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 11:33:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 11:33:55,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 11:33:55,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [651734493] [2020-07-20 11:33:55,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 11:33:55,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 11:33:55,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059947715] [2020-07-20 11:33:55,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 11:33:55,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 11:33:55,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 11:33:55,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:33:55,083 INFO L87 Difference]: Start difference. First operand 1233 states and 1570 transitions. Second operand 3 states. [2020-07-20 11:33:55,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 11:33:55,604 INFO L93 Difference]: Finished difference Result 2593 states and 3328 transitions. [2020-07-20 11:33:55,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 11:33:55,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-07-20 11:33:55,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 11:33:55,611 INFO L225 Difference]: With dead ends: 2593 [2020-07-20 11:33:55,611 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 11:33:55,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 11:33:55,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 11:33:55,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 11:33:55,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 11:33:55,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 11:33:55,627 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-07-20 11:33:55,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 11:33:55,629 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 11:33:55,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 11:33:55,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 11:33:55,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 11:33:55,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 11:33:55,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 11:33:56,135 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-07-20 11:33:56,195 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:33:56,196 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~a16~0 |old(~a16~0)|) [2020-07-20 11:33:56,196 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:33:56,196 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-20 11:33:56,196 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-20 11:33:56,196 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,196 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,197 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,197 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,197 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,197 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,197 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-20 11:33:56,197 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-20 11:33:56,198 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 11:33:56,198 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-20 11:33:56,198 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 11:33:56,198 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 11:33:56,198 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 11:33:56,198 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 11:33:56,198 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-20 11:33:56,199 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-20 11:33:56,199 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,199 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,199 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,199 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,199 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,199 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,200 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-20 11:33:56,200 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-20 11:33:56,200 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 11:33:56,200 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 11:33:56,200 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 11:33:56,200 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 11:33:56,200 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 11:33:56,201 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 11:33:56,201 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-20 11:33:56,201 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-20 11:33:56,201 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-20 11:33:56,201 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 572) no Hoare annotation was computed. [2020-07-20 11:33:56,201 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-20 11:33:56,201 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-20 11:33:56,202 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-20 11:33:56,202 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-20 11:33:56,202 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,202 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,202 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,202 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,202 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,203 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-20 11:33:56,203 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-20 11:33:56,203 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-20 11:33:56,203 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 11:33:56,203 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-20 11:33:56,203 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 11:33:56,203 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 11:33:56,204 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 11:33:56,204 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-20 11:33:56,204 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,204 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,204 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,204 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,204 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,205 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-20 11:33:56,205 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 11:33:56,205 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-20 11:33:56,205 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 11:33:56,205 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 11:33:56,205 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 11:33:56,205 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-20 11:33:56,206 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-20 11:33:56,206 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-20 11:33:56,206 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-20 11:33:56,206 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-20 11:33:56,206 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-20 11:33:56,206 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-20 11:33:56,206 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,206 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,207 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,207 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,207 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,207 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-20 11:33:56,207 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-20 11:33:56,207 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-20 11:33:56,207 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 11:33:56,207 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-20 11:33:56,208 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 11:33:56,208 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 11:33:56,208 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 11:33:56,208 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-20 11:33:56,208 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,208 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,208 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,209 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,209 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,209 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,209 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-20 11:33:56,209 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,209 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-20 11:33:56,209 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-20 11:33:56,210 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-20 11:33:56,210 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 11:33:56,210 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 11:33:56,210 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 11:33:56,210 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-20 11:33:56,210 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-20 11:33:56,210 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-20 11:33:56,211 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-20 11:33:56,211 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-20 11:33:56,211 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-20 11:33:56,211 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-20 11:33:56,211 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,211 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,211 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,211 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,212 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,212 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-20 11:33:56,212 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 11:33:56,212 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 11:33:56,212 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 11:33:56,212 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 11:33:56,212 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 11:33:56,213 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-20 11:33:56,213 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-20 11:33:56,213 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,213 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,213 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,213 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,213 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,214 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-20 11:33:56,214 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-20 11:33:56,214 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-20 11:33:56,214 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-20 11:33:56,214 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 11:33:56,214 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-20 11:33:56,214 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 11:33:56,214 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 11:33:56,215 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-20 11:33:56,215 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-20 11:33:56,215 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 |old(~a16~0)|)) (.cse3 (not (<= |old(~a21~0)| 0))) (.cse2 (<= ~a16~0 5)) (.cse1 (not (<= |old(~a16~0)| 5)))) (and (or (and .cse0 (<= 6 ~a16~0)) (not (<= 6 |old(~a16~0)|))) (or (not (<= 14 |old(~a8~0)|)) .cse1 (and (<= 14 ~a8~0) .cse2)) (or .cse0 (not (<= |old(~a16~0)| 4))) (or .cse3 (<= ~a21~0 0)) (or .cse3 .cse2 .cse1) (or (not (<= 15 |old(~a8~0)|)) (<= 15 ~a8~0)))) [2020-07-20 11:33:56,215 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-20 11:33:56,215 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,215 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,216 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,216 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,216 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-20 11:33:56,216 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,216 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,216 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-20 11:33:56,216 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-20 11:33:56,217 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 11:33:56,217 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 11:33:56,217 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 11:33:56,217 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 11:33:56,217 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-20 11:33:56,217 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 11:33:56,217 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-20 11:33:56,217 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-20 11:33:56,217 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-20 11:33:56,218 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-20 11:33:56,218 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,218 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,218 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,218 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,218 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,218 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-20 11:33:56,218 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,218 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-20 11:33:56,219 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-20 11:33:56,219 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 11:33:56,219 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 11:33:56,219 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 11:33:56,219 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 11:33:56,219 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 11:33:56,219 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 11:33:56,219 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-20 11:33:56,220 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-20 11:33:56,220 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-20 11:33:56,220 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-20 11:33:56,220 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-20 11:33:56,220 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-20 11:33:56,220 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,220 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,220 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,220 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,221 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,221 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 11:33:56,221 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-20 11:33:56,221 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-20 11:33:56,221 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-20 11:33:56,221 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 11:33:56,221 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 11:33:56,221 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 11:33:56,221 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 11:33:56,222 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-20 11:33:56,222 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-20 11:33:56,222 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-20 11:33:56,222 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 11:33:56,222 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (<= 15 ~a8~0)) [2020-07-20 11:33:56,222 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 11:33:56,222 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 11:33:56,223 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a16~0)| 5)) (and (<= ~a16~0 |old(~a16~0)|) (<= 15 ~a8~0))) [2020-07-20 11:33:56,223 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-20 11:33:56,223 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (<= ~a21~0 0) (<= 6 ~a16~0) (not (<= |old(~a16~0)| 5)) (<= 14 ~a8~0) (<= ~a16~0 4)) [2020-07-20 11:33:56,223 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 11:33:56,223 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 11:33:56,223 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (<= ~a21~0 0) (<= 6 ~a16~0) (not (<= |old(~a16~0)| 5)) (<= 14 ~a8~0) (<= ~a16~0 4)) [2020-07-20 11:33:56,223 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-20 11:33:56,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:33:56 BoogieIcfgContainer [2020-07-20 11:33:56,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 11:33:56,244 INFO L168 Benchmark]: Toolchain (without parser) took 9531.06 ms. Allocated memory was 145.2 MB in the beginning and 328.2 MB in the end (delta: 183.0 MB). Free memory was 100.1 MB in the beginning and 153.3 MB in the end (delta: -53.1 MB). Peak memory consumption was 129.8 MB. Max. memory is 7.1 GB. [2020-07-20 11:33:56,245 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 11:33:56,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.81 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 99.7 MB in the beginning and 172.5 MB in the end (delta: -72.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-07-20 11:33:56,247 INFO L168 Benchmark]: Boogie Preprocessor took 151.50 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 167.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-20 11:33:56,248 INFO L168 Benchmark]: RCFGBuilder took 1154.73 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 167.6 MB in the beginning and 181.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-07-20 11:33:56,249 INFO L168 Benchmark]: TraceAbstraction took 7438.82 ms. Allocated memory was 237.5 MB in the beginning and 328.2 MB in the end (delta: 90.7 MB). Free memory was 181.5 MB in the beginning and 153.3 MB in the end (delta: 28.2 MB). Peak memory consumption was 118.9 MB. Max. memory is 7.1 GB. [2020-07-20 11:33:56,253 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.81 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 99.7 MB in the beginning and 172.5 MB in the end (delta: -72.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 151.50 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 167.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1154.73 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 167.6 MB in the beginning and 181.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7438.82 ms. Allocated memory was 237.5 MB in the beginning and 328.2 MB in the end (delta: 90.7 MB). Free memory was 181.5 MB in the beginning and 153.3 MB in the end (delta: 28.2 MB). Peak memory consumption was 118.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 572]: 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) || 6 <= a16) || !(\old(a16) <= 5)) || 14 <= a8) || a16 <= 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.9s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 767 SDtfs, 534 SDslu, 98 SDs, 0 SdLazy, 2343 SolverSat, 465 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 929 GetRequests, 918 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1233occurred 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, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 47 PreInvPairs, 67 NumberOfFragments, 134 HoareAnnotationTreeSize, 47 FomulaSimplifications, 248 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 206 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 932 NumberOfCodeBlocks, 932 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 926 ConstructedInterpolants, 0 QuantifiedInterpolants, 356736 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2328 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 97/97 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...