/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_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:24:35,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:24:35,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:24:35,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:24:35,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:24:35,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:24:35,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:24:35,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:24:35,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:24:35,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:24:35,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:24:35,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:24:35,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:24:35,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:24:35,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:24:35,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:24:35,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:24:35,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:24:35,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:24:35,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:24:35,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:24:35,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:24:35,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:24:35,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:24:35,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 11:24:35,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 11:24:35,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 11:24:35,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 11:24:35,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 11:24:35,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 11:24:35,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 11:24:35,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 11:24:35,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 11:24:35,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 11:24:35,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 11:24:35,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 11:24:35,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 11:24:35,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 11:24:35,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:24:35,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:24:35,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:24:35,957 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 11:24:35,976 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:24:35,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:24:35,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:24:35,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:24:35,978 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:24:35,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:24:35,979 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:24:35,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:24:35,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:24:35,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:24:35,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:24:35,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:24:35,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:24:35,981 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:24:35,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:24:35,982 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:24:35,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:24:35,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:24:35,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:24:35,982 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:24:35,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:24:35,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:24:35,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:24:35,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:24:35,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:24:35,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:24:35,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:35,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:24:35,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:24:35,984 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 11:24:36,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:24:36,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:24:36,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:24:36,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:24:36,254 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:24:36,255 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label10.c [2020-07-21 11:24:36,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be82a8d30/0106420c81454520a9c43303f9f99f88/FLAG55f374edf [2020-07-21 11:24:36,940 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:24:36,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label10.c [2020-07-21 11:24:36,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be82a8d30/0106420c81454520a9c43303f9f99f88/FLAG55f374edf [2020-07-21 11:24:37,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be82a8d30/0106420c81454520a9c43303f9f99f88 [2020-07-21 11:24:37,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:24:37,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:24:37,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:24:37,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:24:37,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:24:37,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:24:37" (1/1) ... [2020-07-21 11:24:37,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0172cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:37, skipping insertion in model container [2020-07-21 11:24:37,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:24:37" (1/1) ... [2020-07-21 11:24:37,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:24:37,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:24:37,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:24:37,856 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:24:37,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:24:37,986 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:24:37,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:37 WrapperNode [2020-07-21 11:24:37,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:24:37,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:24:37,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:24:37,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:24:38,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:37" (1/1) ... [2020-07-21 11:24:38,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:37" (1/1) ... [2020-07-21 11:24:38,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:37" (1/1) ... [2020-07-21 11:24:38,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:37" (1/1) ... [2020-07-21 11:24:38,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:37" (1/1) ... [2020-07-21 11:24:38,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:37" (1/1) ... [2020-07-21 11:24:38,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:37" (1/1) ... [2020-07-21 11:24:38,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:24:38,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:24:38,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:24:38,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:24:38,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:37" (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 11:24:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:24:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:24:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 11:24:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:24:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 11:24:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:24:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 11:24:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 11:24:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:24:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:24:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:24:39,302 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:24:39,303 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 11:24:39,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:24:39 BoogieIcfgContainer [2020-07-21 11:24:39,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:24:39,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:24:39,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:24:39,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:24:39,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:24:37" (1/3) ... [2020-07-21 11:24:39,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f874baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:24:39, skipping insertion in model container [2020-07-21 11:24:39,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:37" (2/3) ... [2020-07-21 11:24:39,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f874baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:24:39, skipping insertion in model container [2020-07-21 11:24:39,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:24:39" (3/3) ... [2020-07-21 11:24:39,323 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label10.c [2020-07-21 11:24:39,333 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:24:39,345 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:24:39,359 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:24:39,381 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:24:39,381 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:24:39,382 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:24:39,382 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:24:39,382 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:24:39,382 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:24:39,382 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:24:39,383 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:24:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-21 11:24:39,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-21 11:24:39,419 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:39,420 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] [2020-07-21 11:24:39,421 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:39,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:39,427 INFO L82 PathProgramCache]: Analyzing trace with hash 262180542, now seen corresponding path program 1 times [2020-07-21 11:24:39,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:39,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [219097279] [2020-07-21 11:24:39,436 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 11:24:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:39,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:24:39,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:39,689 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 11:24:39,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:24:39,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [219097279] [2020-07-21 11:24:39,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:24:39,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:24:39,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586841612] [2020-07-21 11:24:39,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:24:39,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:39,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:24:39,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:24:39,715 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-07-21 11:24:40,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:40,696 INFO L93 Difference]: Finished difference Result 572 states and 963 transitions. [2020-07-21 11:24:40,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:24:40,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-07-21 11:24:40,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:40,725 INFO L225 Difference]: With dead ends: 572 [2020-07-21 11:24:40,725 INFO L226 Difference]: Without dead ends: 278 [2020-07-21 11:24:40,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 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 11:24:40,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-21 11:24:40,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-07-21 11:24:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-21 11:24:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2020-07-21 11:24:40,840 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 116 [2020-07-21 11:24:40,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:40,842 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2020-07-21 11:24:40,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:24:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2020-07-21 11:24:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-21 11:24:40,854 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:40,855 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] [2020-07-21 11:24:41,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:41,069 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:41,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:41,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1657089323, now seen corresponding path program 1 times [2020-07-21 11:24:41,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:41,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10009274] [2020-07-21 11:24:41,072 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 11:24:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:41,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:24:41,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:41,228 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:41,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:24:41,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10009274] [2020-07-21 11:24:41,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:24:41,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:24:41,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556138268] [2020-07-21 11:24:41,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:24:41,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:41,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:24:41,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:24:41,232 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 5 states. [2020-07-21 11:24:42,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:42,036 INFO L93 Difference]: Finished difference Result 842 states and 1218 transitions. [2020-07-21 11:24:42,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:24:42,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-07-21 11:24:42,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:42,044 INFO L225 Difference]: With dead ends: 842 [2020-07-21 11:24:42,045 INFO L226 Difference]: Without dead ends: 570 [2020-07-21 11:24:42,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 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 11:24:42,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-07-21 11:24:42,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 556. [2020-07-21 11:24:42,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-21 11:24:42,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 784 transitions. [2020-07-21 11:24:42,078 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 784 transitions. Word has length 126 [2020-07-21 11:24:42,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:42,078 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 784 transitions. [2020-07-21 11:24:42,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:24:42,079 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 784 transitions. [2020-07-21 11:24:42,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-21 11:24:42,082 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:42,082 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2020-07-21 11:24:42,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:42,297 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:42,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:42,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1228633358, now seen corresponding path program 1 times [2020-07-21 11:24:42,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:42,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49134128] [2020-07-21 11:24:42,300 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 11:24:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:42,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:24:42,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:42,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:24:42,622 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:42,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49134128] [2020-07-21 11:24:42,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:24:42,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 11:24:42,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179042515] [2020-07-21 11:24:42,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 11:24:42,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:42,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 11:24:42,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:24:42,625 INFO L87 Difference]: Start difference. First operand 556 states and 784 transitions. Second operand 8 states. [2020-07-21 11:24:44,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:44,735 INFO L93 Difference]: Finished difference Result 2270 states and 3383 transitions. [2020-07-21 11:24:44,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 11:24:44,738 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2020-07-21 11:24:44,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:44,751 INFO L225 Difference]: With dead ends: 2270 [2020-07-21 11:24:44,751 INFO L226 Difference]: Without dead ends: 1720 [2020-07-21 11:24:44,753 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-07-21 11:24:44,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2020-07-21 11:24:44,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1525. [2020-07-21 11:24:44,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2020-07-21 11:24:44,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1994 transitions. [2020-07-21 11:24:44,825 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1994 transitions. Word has length 146 [2020-07-21 11:24:44,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:44,825 INFO L479 AbstractCegarLoop]: Abstraction has 1525 states and 1994 transitions. [2020-07-21 11:24:44,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 11:24:44,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1994 transitions. [2020-07-21 11:24:44,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-21 11:24:44,831 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:44,831 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] [2020-07-21 11:24:45,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:45,047 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:45,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:45,048 INFO L82 PathProgramCache]: Analyzing trace with hash 403851526, now seen corresponding path program 1 times [2020-07-21 11:24:45,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:45,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129664666] [2020-07-21 11:24:45,049 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 11:24:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:45,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 11:24:45,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:45,190 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 11:24:45,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:24:45,254 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 11:24:45,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129664666] [2020-07-21 11:24:45,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:24:45,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:24:45,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300672383] [2020-07-21 11:24:45,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:24:45,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:45,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:24:45,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:24:45,257 INFO L87 Difference]: Start difference. First operand 1525 states and 1994 transitions. Second operand 7 states. [2020-07-21 11:24:46,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:46,079 INFO L93 Difference]: Finished difference Result 2937 states and 3842 transitions. [2020-07-21 11:24:46,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:24:46,080 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 150 [2020-07-21 11:24:46,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:46,091 INFO L225 Difference]: With dead ends: 2937 [2020-07-21 11:24:46,092 INFO L226 Difference]: Without dead ends: 1692 [2020-07-21 11:24:46,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 295 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 11:24:46,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2020-07-21 11:24:46,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1394. [2020-07-21 11:24:46,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-07-21 11:24:46,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1777 transitions. [2020-07-21 11:24:46,159 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1777 transitions. Word has length 150 [2020-07-21 11:24:46,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:46,160 INFO L479 AbstractCegarLoop]: Abstraction has 1394 states and 1777 transitions. [2020-07-21 11:24:46,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:24:46,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1777 transitions. [2020-07-21 11:24:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-21 11:24:46,170 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:46,170 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:46,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:46,386 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:46,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:46,386 INFO L82 PathProgramCache]: Analyzing trace with hash -486296946, now seen corresponding path program 1 times [2020-07-21 11:24:46,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:46,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927199051] [2020-07-21 11:24:46,387 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 11:24:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:46,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:24:46,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:46,539 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 11:24:46,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:24:46,617 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 11:24:46,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927199051] [2020-07-21 11:24:46,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:24:46,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-07-21 11:24:46,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705904485] [2020-07-21 11:24:46,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:24:46,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:46,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:24:46,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:24:46,619 INFO L87 Difference]: Start difference. First operand 1394 states and 1777 transitions. Second operand 5 states. [2020-07-21 11:24:47,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:47,305 INFO L93 Difference]: Finished difference Result 1408 states and 1799 transitions. [2020-07-21 11:24:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 11:24:47,305 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2020-07-21 11:24:47,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:47,312 INFO L225 Difference]: With dead ends: 1408 [2020-07-21 11:24:47,312 INFO L226 Difference]: Without dead ends: 1406 [2020-07-21 11:24:47,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 302 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 11:24:47,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2020-07-21 11:24:47,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1118. [2020-07-21 11:24:47,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1118 states. [2020-07-21 11:24:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1455 transitions. [2020-07-21 11:24:47,346 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1455 transitions. Word has length 154 [2020-07-21 11:24:47,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:47,347 INFO L479 AbstractCegarLoop]: Abstraction has 1118 states and 1455 transitions. [2020-07-21 11:24:47,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:24:47,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1455 transitions. [2020-07-21 11:24:47,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-21 11:24:47,352 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:47,353 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 11:24:47,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:47,566 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:47,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:47,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1675110515, now seen corresponding path program 1 times [2020-07-21 11:24:47,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:47,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042474577] [2020-07-21 11:24:47,567 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 11:24:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:47,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:24:47,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-21 11:24:47,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:24:47,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042474577] [2020-07-21 11:24:47,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:24:47,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:24:47,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119817710] [2020-07-21 11:24:47,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:24:47,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:47,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:24:47,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:24:47,733 INFO L87 Difference]: Start difference. First operand 1118 states and 1455 transitions. Second operand 3 states. [2020-07-21 11:24:48,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:48,233 INFO L93 Difference]: Finished difference Result 1118 states and 1455 transitions. [2020-07-21 11:24:48,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:24:48,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2020-07-21 11:24:48,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:48,235 INFO L225 Difference]: With dead ends: 1118 [2020-07-21 11:24:48,235 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:24:48,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 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 11:24:48,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:24:48,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:24:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:24:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:24:48,238 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2020-07-21 11:24:48,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:48,239 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:24:48,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:24:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:24:48,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:24:48,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:48,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:24:49,102 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2020-07-21 11:24:49,273 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-07-21 11:24:49,417 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-07-21 11:24:49,421 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:24:49,422 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (<= ~a16~0 |old(~a16~0)|) (= ~a21~0 |old(~a21~0)|)) [2020-07-21 11:24:49,422 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:24:49,422 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-21 11:24:49,423 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-21 11:24:49,423 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,423 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,423 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,423 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,423 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,423 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,424 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-21 11:24:49,424 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-21 11:24:49,424 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-21 11:24:49,424 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-21 11:24:49,424 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-21 11:24:49,424 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 11:24:49,424 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-21 11:24:49,424 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-21 11:24:49,425 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-21 11:24:49,425 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-21 11:24:49,425 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,425 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,425 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,425 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,425 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,425 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,425 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-21 11:24:49,425 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-21 11:24:49,425 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-21 11:24:49,426 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-21 11:24:49,426 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-21 11:24:49,426 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-21 11:24:49,426 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-21 11:24:49,426 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-21 11:24:49,426 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-21 11:24:49,426 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-21 11:24:49,426 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-21 11:24:49,426 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2020-07-21 11:24:49,426 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-21 11:24:49,426 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-21 11:24:49,427 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-21 11:24:49,427 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-21 11:24:49,427 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,427 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,427 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,427 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,427 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,427 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-21 11:24:49,427 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-21 11:24:49,427 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-21 11:24:49,427 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-21 11:24:49,428 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-21 11:24:49,428 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-21 11:24:49,428 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-21 11:24:49,428 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-21 11:24:49,428 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-21 11:24:49,428 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,428 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,428 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,428 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,428 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,428 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-21 11:24:49,429 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-21 11:24:49,429 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-21 11:24:49,429 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-21 11:24:49,429 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-21 11:24:49,429 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 11:24:49,429 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-21 11:24:49,429 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-21 11:24:49,429 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-21 11:24:49,430 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-21 11:24:49,430 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-21 11:24:49,430 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-21 11:24:49,430 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-21 11:24:49,430 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,430 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,430 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,430 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,431 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,431 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-21 11:24:49,431 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-21 11:24:49,431 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-21 11:24:49,431 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-21 11:24:49,431 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-21 11:24:49,431 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-21 11:24:49,431 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-21 11:24:49,432 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-21 11:24:49,432 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-21 11:24:49,432 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,432 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,432 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,432 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,432 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,432 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,433 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-21 11:24:49,433 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,433 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-21 11:24:49,433 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-21 11:24:49,433 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-21 11:24:49,433 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-21 11:24:49,433 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 11:24:49,433 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-21 11:24:49,433 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-21 11:24:49,433 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-21 11:24:49,433 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-21 11:24:49,434 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-21 11:24:49,434 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-21 11:24:49,434 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-21 11:24:49,434 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-21 11:24:49,434 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,434 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,434 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,434 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,435 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,435 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-21 11:24:49,435 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-21 11:24:49,435 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-21 11:24:49,435 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 11:24:49,435 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-21 11:24:49,435 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-21 11:24:49,435 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-21 11:24:49,436 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-21 11:24:49,436 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,436 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,436 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,436 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,436 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,436 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-21 11:24:49,436 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-21 11:24:49,436 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-21 11:24:49,437 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-21 11:24:49,437 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-21 11:24:49,437 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-21 11:24:49,437 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 11:24:49,437 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-21 11:24:49,437 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-21 11:24:49,437 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-21 11:24:49,437 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (not (<= |old(~a8~0)| 13))) (.cse6 (<= ~a7~0 0)) (.cse3 (not (<= |old(~a7~0)| 0))) (.cse7 (not (<= 15 |old(~a8~0)|))) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse0 (<= ~a8~0 |old(~a8~0)|)) (.cse1 (<= ~a16~0 |old(~a16~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|))) (and (or (and .cse0 .cse1 (<= ~a16~0 5) .cse2) (and (or .cse3 .cse4 .cse5) (or (not (<= |old(~a16~0)| 5)) .cse5)) (and .cse0 .cse1 .cse6 .cse2)) (or (not (<= |old(~a21~0)| 0)) (and .cse0 .cse1 .cse2) .cse4) (or .cse7 .cse6 .cse3 .cse5) (or .cse7 .cse5 (and .cse0 .cse1 (<= 15 ~a8~0) .cse2)))) [2020-07-21 11:24:49,437 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-21 11:24:49,438 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,438 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,438 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,438 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,438 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-21 11:24:49,438 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,438 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,438 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-21 11:24:49,438 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-21 11:24:49,438 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-21 11:24:49,439 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-21 11:24:49,439 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-21 11:24:49,439 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-21 11:24:49,439 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-21 11:24:49,439 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-21 11:24:49,439 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-21 11:24:49,439 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-21 11:24:49,439 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-21 11:24:49,439 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-21 11:24:49,439 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,439 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,439 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-21 11:24:49,440 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-21 11:24:49,441 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-21 11:24:49,442 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 11:24:49,442 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-21 11:24:49,442 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-21 11:24:49,442 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-21 11:24:49,442 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-21 11:24:49,442 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-21 11:24:49,442 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-21 11:24:49,442 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:24:49,442 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0) (= 1 ~a21~0)) [2020-07-21 11:24:49,442 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:24:49,442 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:24:49,443 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (and (<= ~a8~0 |old(~a8~0)|) (<= ~a16~0 |old(~a16~0)|) (<= ~a7~0 0) (<= 15 ~a8~0) (= ~a21~0 |old(~a21~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (= 1 |old(~a21~0)|))) [2020-07-21 11:24:49,443 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-21 11:24:49,443 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse1 (= 1 ~a21~0))) (or (not (<= 15 |old(~a8~0)|)) (and .cse0 (<= ~a7~0 0) (= ~a21~0 |old(~a21~0)|)) (and (<= 15 ~a8~0) .cse1) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and .cse0 (<= ~a21~0 0)) (and (<= ~a16~0 5) .cse1) (not (= 1 |old(~a21~0)|)))) [2020-07-21 11:24:49,443 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-21 11:24:49,443 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-21 11:24:49,443 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse1 (= 1 ~a21~0))) (or (not (<= 15 |old(~a8~0)|)) (and .cse0 (<= ~a7~0 0) (= ~a21~0 |old(~a21~0)|)) (and (<= 15 ~a8~0) .cse1) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and .cse0 (<= ~a21~0 0)) (and (<= ~a16~0 5) .cse1) (not (= 1 |old(~a21~0)|)))) [2020-07-21 11:24:49,443 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-21 11:24:49,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:24:49 BoogieIcfgContainer [2020-07-21 11:24:49,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:24:49,468 INFO L168 Benchmark]: Toolchain (without parser) took 12213.90 ms. Allocated memory was 139.5 MB in the beginning and 357.0 MB in the end (delta: 217.6 MB). Free memory was 102.0 MB in the beginning and 172.5 MB in the end (delta: -70.5 MB). Peak memory consumption was 147.0 MB. Max. memory is 7.1 GB. [2020-07-21 11:24:49,469 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 11:24:49,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.46 ms. Allocated memory was 139.5 MB in the beginning and 206.0 MB in the end (delta: 66.6 MB). Free memory was 101.8 MB in the beginning and 171.7 MB in the end (delta: -69.9 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2020-07-21 11:24:49,471 INFO L168 Benchmark]: Boogie Preprocessor took 117.95 ms. Allocated memory is still 206.0 MB. Free memory was 171.7 MB in the beginning and 166.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:24:49,475 INFO L168 Benchmark]: RCFGBuilder took 1206.91 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 166.9 MB in the beginning and 178.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:24:49,477 INFO L168 Benchmark]: TraceAbstraction took 10151.91 ms. Allocated memory was 238.0 MB in the beginning and 357.0 MB in the end (delta: 119.0 MB). Free memory was 178.5 MB in the beginning and 172.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 125.0 MB. Max. memory is 7.1 GB. [2020-07-21 11:24:49,484 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 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 730.46 ms. Allocated memory was 139.5 MB in the beginning and 206.0 MB in the end (delta: 66.6 MB). Free memory was 101.8 MB in the beginning and 171.7 MB in the end (delta: -69.9 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.95 ms. Allocated memory is still 206.0 MB. Free memory was 171.7 MB in the beginning and 166.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1206.91 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 166.9 MB in the beginning and 178.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10151.91 ms. Allocated memory was 238.0 MB in the beginning and 357.0 MB in the end (delta: 119.0 MB). Free memory was 178.5 MB in the beginning and 172.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 125.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: 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)) || ((a8 <= 13 && a7 <= 0) && a21 == \old(a21))) || (15 <= a8 && 1 == a21)) || !(\old(a7) <= 0)) || !(\old(a16) <= 5)) || (a8 <= 13 && a21 <= 0)) || (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: 9.0s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 201 SDtfs, 2219 SDslu, 203 SDs, 0 SdLazy, 4276 SolverSat, 635 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1322 GetRequests, 1290 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1525occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 795 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 31 PreInvPairs, 47 NumberOfFragments, 261 HoareAnnotationTreeSize, 31 FomulaSimplifications, 2197 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 571 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 862 NumberOfCodeBlocks, 862 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1303 ConstructedInterpolants, 0 QuantifiedInterpolants, 402258 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2465 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 314/343 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...